Patch D246: Texture Marks for freestyle strokes, written and contributed by Paolo Acampora.

Reviewers: brecht, kjym3, #freestyle

Reviewed By: brecht, kjym3

Differential Revision: https://developer.blender.org/D246

release/scripts/freestyle/modules/freestyle/shaders.py

@@ -30,6 +30,7 @@ to be a collection of examples for shader definition in Python
 from _freestyle import (
     BackboneStretcherShader,
     BezierCurveShader,
+    BlenderTextureShader,
     CalligraphicShader,
     ColorNoiseShader,
     ColorVariationPatternShader,
@@ -44,6 +45,7 @@ from _freestyle import (
     SmoothingShader,
     SpatialNoiseShader,
     StrokeTextureShader,
+    StrokeTextureStepShader,
     TextureAssignerShader,
     ThicknessNoiseShader,
     ThicknessVariationPatternShader,

release/scripts/freestyle/modules/parameter_editor.py

@@ -66,12 +66,14 @@ from freestyle.predicates import (
 from freestyle.shaders import (
     BackboneStretcherShader,
     BezierCurveShader,
+    BlenderTextureShader,
     ConstantColorShader,
     GuidingLinesShader,
     PolygonalizationShader,
     SamplingShader,
     SpatialNoiseShader,
     StrokeShader,
+    StrokeTextureStepShader,
     TipRemoverShader,
     pyBluePrintCirclesShader,
     pyBluePrintEllipsesShader,
@@ -1368,6 +1370,14 @@ def process(layer_name, lineset_name):
             shaders_list.append(Transform2DShader(
                 m.pivot, m.scale_x, m.scale_y, m.angle, m.pivot_u, m.pivot_x, m.pivot_y))
     color = linestyle.color
+    if linestyle.use_texture:
+        has_tex = False
+        for slot in linestyle.texture_slots:
+            if slot is not None:
+                shaders_list.append(BlenderTextureShader(slot))
+                has_tex = True
+        if has_tex:
+            shaders_list.append(StrokeTextureStepShader(linestyle.texture_spacing))
     if (not linestyle.use_chaining) or (linestyle.chaining == 'PLAIN' and linestyle.use_same_object):
         thickness_position = linestyle.thickness_position
     else:

release/scripts/startup/bl_ui/properties_freestyle.py

@@ -674,6 +674,19 @@ class RENDERLAYER_PT_freestyle_linestyle(RenderLayerFreestyleEditorButtonsPanel,
             for modifier in linestyle.geometry_modifiers:
                 self.draw_geometry_modifier(context, modifier)
 
+        elif linestyle.panel == 'TEXTURE':
+            layout.separator()
+
+            row = layout.row()
+            row.prop(linestyle, "use_texture", text="Use Textures")
+            row.prop(linestyle, "texture_spacing", text="Spacing Along Stroke")
+
+            row = layout.row()
+            op = row.operator("wm.properties_context_change",
+                         text="Go to Linestyle Textures Properties",
+                         icon='TEXTURE')
+            op.context = 'TEXTURE'
+
         elif linestyle.panel == 'MISC':
             pass
 

release/scripts/startup/bl_ui/properties_texture.py

@@ -25,6 +25,7 @@ from bpy.types import (Brush,
                        Material,
                        Object,
                        ParticleSettings,
+                       FreestyleLineStyle,
                        Texture,
                        World)
 
@@ -94,6 +95,10 @@ def context_tex_datablock(context):
     if idblock:
         return idblock
 
+    idblock = context.line_style
+    if idblock:
+        return idblock
+
     if context.particle_system:
         idblock = context.particle_system.settings
 
@@ -134,6 +139,7 @@ class TEXTURE_PT_context_texture(TextureButtonsPanel, Panel):
                  context.world or
                  context.lamp or
                  context.texture or
+                 context.line_style or
                  context.particle_system or
                  isinstance(context.space_data.pin_id, ParticleSettings) or
                  context.texture_user) and
@@ -952,11 +958,28 @@ class TEXTURE_PT_mapping(TextureSlotPanel, Panel):
                 split.label(text="Object:")
                 split.prop(tex, "object", text="")
 
+            elif tex.texture_coords == 'ALONG_STROKE':
+                split = layout.split(percentage=0.3)
+                split.label(text="Use Tips:")
+                split.prop(tex, "use_tips", text="")
+
         if isinstance(idblock, Brush):
             if context.sculpt_object or context.image_paint_object:
                 brush_texture_settings(layout, idblock, context.sculpt_object)
         else:
-            if isinstance(idblock, Material):
+            if isinstance(idblock, FreestyleLineStyle):
+                split = layout.split(percentage=0.3)
+                split.label(text="Projection:")
+                split.prop(tex, "mapping", text="")
+
+                split = layout.split(percentage=0.3)
+                split.separator()
+                row = split.row()
+                row.prop(tex, "mapping_x", text="")
+                row.prop(tex, "mapping_y", text="")
+                row.prop(tex, "mapping_z", text="")
+
+            elif isinstance(idblock, Material):
                 split = layout.split(percentage=0.3)
                 split.label(text="Projection:")
                 split.prop(tex, "mapping", text="")
@@ -1129,6 +1152,15 @@ class TEXTURE_PT_influence(TextureSlotPanel, Panel):
             factor_but(col, "use_map_kink", "kink_factor", "Kink")
             factor_but(col, "use_map_rough", "rough_factor", "Rough")
 
+        elif isinstance(idblock, FreestyleLineStyle):
+            split = layout.split()
+
+            col = split.column()
+            factor_but(col, "use_map_color_diffuse", "diffuse_color_factor", "Color")
+            col = split.column()
+            factor_but(col, "use_map_alpha", "alpha_factor", "Alpha")
+
+
         layout.separator()
 
         if not isinstance(idblock, ParticleSettings):

source/blender/blenkernel/BKE_context.h

@@ -234,6 +234,7 @@ int ctx_data_list_count(const bContext *C, int (*func)(const bContext *, ListBas
 struct Main *CTX_data_main(const bContext *C);
 struct Scene *CTX_data_scene(const bContext *C);
 struct ToolSettings *CTX_data_tool_settings(const bContext *C);
+struct FreestyleLineStyle *CTX_data_linestyle_from_scene(struct Scene *scene);
 
 const char *CTX_data_mode_string(const bContext *C);
 int CTX_data_mode_enum(const bContext *C);

source/blender/blenkernel/BKE_node.h

@@ -44,6 +44,7 @@
 #include "DNA_scene_types.h"
 #include "DNA_texture_types.h"
 #include "DNA_world_types.h"
+#include "DNA_linestyle_types.h"
 
 #include "RNA_types.h"
 
@@ -632,6 +633,7 @@ struct NodeTreeIterStore {
 	Tex *tex;
 	Lamp *lamp;
 	World *world;
+	FreestyleLineStyle *linestyle;
 };
 
 void BKE_node_tree_iter_init(struct NodeTreeIterStore *ntreeiter, struct Main *bmain);

source/blender/blenkernel/BKE_texture.h

@@ -41,6 +41,7 @@ struct bNode;
 struct Brush;
 struct ColorBand;
 struct EnvMap;
+struct FreestyleLineStyle;
 struct HaloRen;
 struct Lamp;
 struct LampRen;
@@ -85,6 +86,7 @@ void BKE_texture_make_local(struct Tex *tex);
 struct Tex *give_current_object_texture(struct Object *ob);
 struct Tex *give_current_material_texture(struct Material *ma);
 struct Tex *give_current_lamp_texture(struct Lamp *la);
+struct Tex *give_current_linestyle_texture(struct FreestyleLineStyle *linestyle);
 struct Tex *give_current_world_texture(struct World *world);
 struct Tex *give_current_brush_texture(struct Brush *br);
 struct Tex *give_current_particle_texture(struct ParticleSettings *part);
@@ -98,6 +100,7 @@ void set_current_brush_texture(struct Brush *br, struct Tex *tex);
 void set_current_world_texture(struct World *wo, struct Tex *tex);
 void set_current_material_texture(struct Material *ma, struct Tex *tex);
 void set_current_lamp_texture(struct Lamp *la, struct Tex *tex);
+void set_current_linestyle_texture(struct FreestyleLineStyle *linestyle, struct Tex *tex);
 void set_current_particle_texture(struct ParticleSettings *part, struct Tex *tex);
 
 bool has_current_material_texture(struct Material *ma);

source/blender/blenkernel/intern/context.c

@@ -36,6 +36,7 @@
 #include "DNA_view3d_types.h"
 #include "DNA_windowmanager_types.h"
 #include "DNA_object_types.h"
+#include "DNA_linestyle_types.h"
 
 #include "BLI_listbase.h"
 #include "BLI_string.h"
@@ -47,6 +48,7 @@
 #include "BKE_context.h"
 #include "BKE_main.h"
 #include "BKE_screen.h"
+#include "BKE_freestyle.h"
 
 #include "RNA_access.h"
 
@@ -1090,3 +1092,15 @@ int CTX_data_visible_pose_bones(const bContext *C, ListBase *list)
 	return ctx_data_collection_get(C, "visible_pose_bones", list);
 }
 
+FreestyleLineStyle *CTX_data_linestyle_from_scene(Scene *scene)
+{
+	SceneRenderLayer *actsrl = BLI_findlink(&scene->r.layers, scene->r.actlay);
+	FreestyleConfig *config = &actsrl->freestyleConfig;
+	FreestyleLineSet *lineset = BKE_freestyle_lineset_get_active(config);
+
+	if (lineset) {
+		return lineset->linestyle;
+	}
+
+	return NULL;
+}

source/blender/blenkernel/intern/library.c

@@ -52,6 +52,7 @@
 #include "DNA_key_types.h"
 #include "DNA_lamp_types.h"
 #include "DNA_lattice_types.h"
+#include "DNA_linestyle_types.h"
 #include "DNA_material_types.h"
 #include "DNA_mesh_types.h"
 #include "DNA_meta_types.h"
@@ -1364,6 +1365,7 @@ void id_clear_lib_data(Main *bmain, ID *id)
 		case ID_LA:		ntree = ((Lamp *)id)->nodetree;			break;
 		case ID_WO:		ntree = ((World *)id)->nodetree;		break;
 		case ID_TE:		ntree = ((Tex *)id)->nodetree;			break;
+		case ID_LS:		ntree = ((FreestyleLineStyle *)id)->nodetree; break;
 	}
 	if (ntree)
 		ntree->id.lib = NULL;

source/blender/blenkernel/intern/library_query.c

@@ -39,6 +39,7 @@
 #include "DNA_key_types.h"
 #include "DNA_lamp_types.h"
 #include "DNA_lattice_types.h"
+#include "DNA_linestyle_types.h"
 #include "DNA_material_types.h"
 #include "DNA_mesh_types.h"
 #include "DNA_meta_types.h"
@@ -450,6 +451,19 @@ void BKE_library_foreach_ID_link(ID *id, LibraryIDLinkCallback callback, void *u
 			}
 			break;
 		}
+
+		case ID_LS:
+		{
+			FreestyleLineStyle *linestyle = (FreestyleLineStyle *) id;
+			for (i = 0; i < MAX_MTEX; i++) {
+				if (linestyle->mtex[i]) {
+					library_foreach_mtex(&data, linestyle->mtex[i]);
+				}
+			}
+			CALLBACK_INVOKE(linestyle->nodetree, IDWALK_NOP);
+			break;
+		}
+
 	}
 
 #undef CALLBACK_INVOKE_ID

source/blender/blenkernel/intern/linestyle.c

@@ -46,6 +46,7 @@
 #include "BKE_global.h"
 #include "BKE_library.h"
 #include "BKE_linestyle.h"
+#include "BKE_node.h"
 #include "BKE_texture.h"
 #include "BKE_colortools.h"
 #include "BKE_animsys.h"
@@ -80,7 +81,7 @@ static void default_linestyle_settings(FreestyleLineStyle *linestyle)
 	linestyle->thickness = 3.0f;
 	linestyle->thickness_position = LS_THICKNESS_CENTER;
 	linestyle->thickness_ratio = 0.5f;
-	linestyle->flag = LS_SAME_OBJECT | LS_NO_SORTING;
+	linestyle->flag = LS_SAME_OBJECT | LS_NO_SORTING | LS_TEXTURE;
 	linestyle->chaining = LS_CHAINING_PLAIN;
 	linestyle->rounds = 3;
 	linestyle->min_angle = DEG2RADF(0.0f);
@@ -90,6 +91,7 @@ static void default_linestyle_settings(FreestyleLineStyle *linestyle)
 	linestyle->split_length = 100;
 	linestyle->sort_key = LS_SORT_KEY_DISTANCE_FROM_CAMERA;
 	linestyle->integration_type = LS_INTEGRATION_MEAN;
+	linestyle->texstep = 1.0f;
 
 	BLI_listbase_clear(&linestyle->color_modifiers);
 	BLI_listbase_clear(&linestyle->alpha_modifiers);
@@ -119,6 +121,19 @@ void BKE_free_linestyle(FreestyleLineStyle *linestyle)
 {
 	LineStyleModifier *m;
 
+	MTex *mtex;
+	int a;
+
+	for (a = 0; a < MAX_MTEX; a++) {
+		mtex = linestyle->mtex[a];
+		if (mtex && mtex->tex) mtex->tex->id.us--;
+		if (mtex) MEM_freeN(mtex);
+	}
+	if (linestyle->nodetree) {
+		ntreeFreeTree(linestyle->nodetree);
+		MEM_freeN(linestyle->nodetree);
+	}
+
 	BKE_free_animdata(&linestyle->id);
 	while ((m = (LineStyleModifier *)linestyle->color_modifiers.first))
 		BKE_remove_linestyle_color_modifier(linestyle, m);
@@ -134,10 +149,22 @@ FreestyleLineStyle *BKE_copy_linestyle(FreestyleLineStyle *linestyle)
 {
 	FreestyleLineStyle *new_linestyle;
 	LineStyleModifier *m;
+	int a;
 
 	new_linestyle = BKE_new_linestyle(linestyle->id.name + 2, NULL);
 	BKE_free_linestyle(new_linestyle);
 
+	for (a = 0; a < MAX_MTEX; a++) {
+	        if (linestyle->mtex[a]) {
+	            new_linestyle->mtex[a] = MEM_mallocN(sizeof(MTex), "BKE_copy_linestyle");
+	            memcpy(new_linestyle->mtex[a], linestyle->mtex[a], sizeof(MTex));
+	            id_us_plus((ID *)new_linestyle->mtex[a]->tex);
+	        }
+	    }
+	if (linestyle->nodetree) {
+		linestyle->nodetree = ntreeCopyTree(linestyle->nodetree);
+	}
+
 	new_linestyle->r = linestyle->r;
 	new_linestyle->g = linestyle->g;
 	new_linestyle->b = linestyle->b;
@@ -167,6 +194,7 @@ FreestyleLineStyle *BKE_copy_linestyle(FreestyleLineStyle *linestyle)
 	new_linestyle->dash3 = linestyle->dash3;
 	new_linestyle->gap3 = linestyle->gap3;
 	new_linestyle->panel = linestyle->panel;
+	new_linestyle->texstep = linestyle->texstep;
 	for (m = (LineStyleModifier *)linestyle->color_modifiers.first; m; m = m->next)
 		BKE_copy_linestyle_color_modifier(new_linestyle, m);
 	for (m = (LineStyleModifier *)linestyle->alpha_modifiers.first; m; m = m->next)

source/blender/blenkernel/intern/node.c

@@ -44,6 +44,7 @@
 #include "DNA_scene_types.h"
 #include "DNA_texture_types.h"
 #include "DNA_world_types.h"
+#include "DNA_linestyle_types.h"
 
 #include "BLI_string.h"
 #include "BLI_math.h"
@@ -1866,6 +1867,7 @@ bNodeTree *ntreeFromID(ID *id)
 		case ID_WO:  return ((World *)id)->nodetree;
 		case ID_TE:  return ((Tex *)id)->nodetree;
 		case ID_SCE: return ((Scene *)id)->nodetree;
+		case ID_LS:  return ((FreestyleLineStyle *)id)->nodetree;
 		default: return NULL;
 	}
 }
@@ -3661,6 +3663,7 @@ void BKE_node_tree_iter_init(struct NodeTreeIterStore *ntreeiter, struct Main *b
 	ntreeiter->tex = bmain->tex.first;
 	ntreeiter->lamp = bmain->lamp.first;
 	ntreeiter->world = bmain->world.first;
+	ntreeiter->linestyle = bmain->linestyle.first;
 }
 bool BKE_node_tree_iter_step(struct NodeTreeIterStore *ntreeiter,
                              bNodeTree **r_nodetree, struct ID **r_id)
@@ -3695,6 +3698,11 @@ bool BKE_node_tree_iter_step(struct NodeTreeIterStore *ntreeiter,
 		*r_id       = (ID *)ntreeiter->world;
 		ntreeiter->world  = ntreeiter->world->id.next;
 	}
+	else if (ntreeiter->linestyle) {
+		*r_nodetree =       ntreeiter->linestyle->nodetree;
+		*r_id       = (ID *)ntreeiter->linestyle;
+		ntreeiter->linestyle = ntreeiter->linestyle->id.next;
+	}
 	else {
 		return false;
 	}

source/blender/blenkernel/intern/texture.c

@@ -51,6 +51,7 @@
 #include "DNA_node_types.h"
 #include "DNA_color_types.h"
 #include "DNA_particle_types.h"
+#include "DNA_linestyle_types.h"
 
 #include "IMB_imbuf.h"
 
@@ -999,6 +1000,41 @@ void set_current_lamp_texture(Lamp *la, Tex *newtex)
 	}
 }
 
+Tex *give_current_linestyle_texture(FreestyleLineStyle *linestyle)
+{
+	MTex *mtex = NULL;
+	Tex *tex = NULL;
+
+	if (linestyle) {
+		mtex = linestyle->mtex[(int)(linestyle->texact)];
+		if (mtex) tex = mtex->tex;
+	}
+
+	return tex;
+}
+
+void set_current_linestyle_texture(FreestyleLineStyle *linestyle, Tex *newtex)
+{
+	int act = linestyle->texact;
+
+	if (linestyle->mtex[act] && linestyle->mtex[act]->tex)
+		id_us_min(&linestyle->mtex[act]->tex->id);
+
+	if (newtex) {
+		if (!linestyle->mtex[act]) {
+			linestyle->mtex[act] = add_mtex();
+			linestyle->mtex[act]->texco = TEXCO_STROKE;
+		}
+
+		linestyle->mtex[act]->tex = newtex;
+		id_us_plus(&newtex->id);
+	}
+	else if (linestyle->mtex[act]) {
+		MEM_freeN(linestyle->mtex[act]);
+		linestyle->mtex[act] = NULL;
+	}
+}
+
 bNode *give_current_material_texture_node(Material *ma)
 {
 	if (ma && ma->use_nodes && ma->nodetree)
@@ -1048,6 +1084,10 @@ bool give_active_mtex(ID *id, MTex ***mtex_ar, short *act)
 			*mtex_ar =       ((Lamp *)id)->mtex;
 			if (act) *act =  (((Lamp *)id)->texact);
 			break;
+		case ID_LS:
+			*mtex_ar =       ((FreestyleLineStyle *)id)->mtex;
+			if (act) *act =  (((FreestyleLineStyle *)id)->texact);
+			break;
 		case ID_PA:
 			*mtex_ar =       ((ParticleSettings *)id)->mtex;
 			if (act) *act =  (((ParticleSettings *)id)->texact);
@@ -1076,6 +1116,9 @@ void set_active_mtex(ID *id, short act)
 		case ID_LA:
 			((Lamp *)id)->texact = act;
 			break;
+		case ID_LS:
+			((FreestyleLineStyle *)id)->texact = act;
+			break;
 		case ID_PA:
 			((ParticleSettings *)id)->texact = act;
 			break;

source/blender/blenloader/intern/readfile.c

@@ -2380,6 +2380,7 @@ static bNodeTree *nodetree_from_id(ID *id)
 		case ID_WO: return ((World *)id)->nodetree;
 		case ID_LA: return ((Lamp *)id)->nodetree;
 		case ID_TE: return ((Tex *)id)->nodetree;
+		case ID_LS: return ((FreestyleLineStyle *)id)->nodetree;
 	}
 	return NULL;
 }
@@ -6910,6 +6911,8 @@ static void lib_link_linestyle(FileData *fd, Main *main)
 {
 	FreestyleLineStyle *linestyle;
 	LineStyleModifier *m;
+	MTex *mtex;
+	int a;
 
 	linestyle = main->linestyle.first;
 	while (linestyle) {
@@ -6950,6 +6953,17 @@ static void lib_link_linestyle(FileData *fd, Main *main)
 					break;
 				}
 			}
+			for (a=0; a < MAX_MTEX; a++) {
+				mtex = linestyle->mtex[a];
+				if (mtex) {
+					mtex->tex = newlibadr_us(fd, linestyle->id.lib, mtex->tex);
+					mtex->object = newlibadr(fd, linestyle->id.lib, mtex->object);
+				}
+			}
+			if (linestyle->nodetree) {
+				lib_link_ntree(fd, &linestyle->id, linestyle->nodetree);
+				linestyle->nodetree->id.lib = linestyle->id.lib;
+			}
 		}
 		linestyle = linestyle->id.next;
 	}
@@ -7059,6 +7073,7 @@ static void direct_link_linestyle_geometry_modifier(FileData *UNUSED(fd), LineSt
 
 static void direct_link_linestyle(FileData *fd, FreestyleLineStyle *linestyle)
 {
+	int a;
 	LineStyleModifier *modifier;
 
 	linestyle->adt= newdataadr(fd, linestyle->adt);
@@ -7075,6 +7090,14 @@ static void direct_link_linestyle(FileData *fd, FreestyleLineStyle *linestyle)
 	link_list(fd, &linestyle->geometry_modifiers);
 	for (modifier = linestyle->geometry_modifiers.first; modifier; modifier = modifier->next)
 		direct_link_linestyle_geometry_modifier(fd, modifier);
+	for (a = 0; a < MAX_MTEX; a++) {
+		linestyle->mtex[a] = newdataadr(fd, linestyle->mtex[a]);
+	}
+	linestyle->nodetree = newdataadr(fd, linestyle->nodetree);
+	if (linestyle->nodetree) {
+		direct_link_id(fd, &linestyle->nodetree->id);
+		direct_link_nodetree(fd, linestyle->nodetree);
+	}
 }
 
 /* ************** GENERAL & MAIN ******************** */
@@ -8562,8 +8585,18 @@ static void expand_mask(FileData *fd, Main *mainvar, Mask *mask)
 
 static void expand_linestyle(FileData *fd, Main *mainvar, FreestyleLineStyle *linestyle)
 {
+	int a;
 	LineStyleModifier *m;
 
+	for (a = 0; a < MAX_MTEX; a++) {
+		if (linestyle->mtex[a]) {
+			expand_doit(fd, mainvar, linestyle->mtex[a]->tex);
+			expand_doit(fd, mainvar, linestyle->mtex[a]->object);
+		}
+	}
+	if (linestyle->nodetree)
+		expand_nodetree(fd, mainvar, linestyle->nodetree);
+
 	if (linestyle->adt)
 		expand_animdata(fd, mainvar, linestyle->adt);
 	for (m = linestyle->color_modifiers.first; m; m = m->next) {

source/blender/blenloader/intern/versioning_defaults.c

@@ -60,9 +60,10 @@ void BLO_update_defaults_startup_blend(Main *main)
 	}
 
 	for (linestyle = main->linestyle.first; linestyle; linestyle = linestyle->id.next) {
-		linestyle->flag = LS_SAME_OBJECT | LS_NO_SORTING;
+		linestyle->flag = LS_SAME_OBJECT | LS_NO_SORTING | LS_TEXTURE;
 		linestyle->sort_key = LS_SORT_KEY_DISTANCE_FROM_CAMERA;
 		linestyle->integration_type = LS_INTEGRATION_MEAN;
+		linestyle->texstep = 1.0;
 	}
 
 	{

source/blender/blenloader/intern/writefile.c

@@ -3248,6 +3248,7 @@ static void write_linestyle_geometry_modifiers(WriteData *wd, ListBase *modifier
 static void write_linestyles(WriteData *wd, ListBase *idbase)
 {
 	FreestyleLineStyle *linestyle;
+	int a;
 
 	for (linestyle = idbase->first; linestyle; linestyle = linestyle->id.next) {
 		if (linestyle->id.us>0 || wd->current) {
@@ -3260,6 +3261,13 @@ static void write_linestyles(WriteData *wd, ListBase *idbase)
 			write_linestyle_alpha_modifiers(wd, &linestyle->alpha_modifiers);
 			write_linestyle_thickness_modifiers(wd, &linestyle->thickness_modifiers);
 			write_linestyle_geometry_modifiers(wd, &linestyle->geometry_modifiers);
+			for (a=0; a<MAX_MTEX; a++) {
+				if (linestyle->mtex[a]) writestruct(wd, DATA, "MTex", 1, linestyle->mtex[a]);
+			}
+			if (linestyle->nodetree) {
+				writestruct(wd, DATA, "bNodeTree", 1, linestyle->nodetree);
+				write_nodetree(wd, linestyle->nodetree);
+			}
 		}
 	}
 }

source/blender/editors/include/ED_buttons.h

@@ -34,6 +34,7 @@ bool ED_texture_context_check_world(const struct bContext *C);
 bool ED_texture_context_check_material(const struct bContext *C);
 bool ED_texture_context_check_lamp(const struct bContext *C);
 bool ED_texture_context_check_particles(const struct bContext *C);
+bool ED_texture_context_check_linestyle(const bContext *C);
 bool ED_texture_context_check_others(const struct bContext *C);
 
 #endif /*  __ED_BUTTONS_H__ */

source/blender/editors/interface/interface_templates.c

@@ -54,6 +54,7 @@
 #include "BKE_global.h"
 #include "BKE_idcode.h"
 #include "BKE_library.h"
+#include "BKE_linestyle.h"
 #include "BKE_main.h"
 #include "BKE_modifier.h"
 #include "BKE_object.h"
@@ -1302,8 +1303,8 @@ void uiTemplatePreview(uiLayout *layout, bContext *C, ID *id, int show_buttons,
 
 	char _preview_id[UI_MAX_NAME_STR];
 
-	if (id && !ELEM4(GS(id->name), ID_MA, ID_TE, ID_WO, ID_LA)) {
+	if (id && !ELEM5(GS(id->name), ID_MA, ID_TE, ID_WO, ID_LA, ID_LS)) {
-		RNA_warning("Expected ID of type material, texture, lamp or world");
+		RNA_warning("Expected ID of type material, texture, lamp, world or line style");
 		return;
 	}
 
@@ -1318,6 +1319,8 @@ void uiTemplatePreview(uiLayout *layout, bContext *C, ID *id, int show_buttons,
 			pr_texture = &((World *)parent)->pr_texture;
 		else if (parent && (GS(parent->name) == ID_LA))
 			pr_texture = &((Lamp *)parent)->pr_texture;
+		else if (parent && (GS(parent->name) == ID_LS))
+			pr_texture = &((FreestyleLineStyle *)parent)->pr_texture;
 
 		if (pr_texture) {
 			if (*pr_texture == TEX_PR_OTHER)
@@ -1398,6 +1401,10 @@ void uiTemplatePreview(uiLayout *layout, bContext *C, ID *id, int show_buttons,
 				uiDefButS(block, ROW, B_MATPRV, IFACE_("World"),  0, 0, UI_UNIT_X * 10, UI_UNIT_Y,
 				          pr_texture, 10, TEX_PR_OTHER, 0, 0, "");
 			}
+			else if (GS(parent->name) == ID_LS) {
+				uiDefButS(block, ROW, B_MATPRV, IFACE_("Line Style"),  0, 0, UI_UNIT_X * 10, UI_UNIT_Y,
+				          pr_texture, 10, TEX_PR_OTHER, 0, 0, "");
+			}
 			uiDefButS(block, ROW, B_MATPRV, IFACE_("Both"),  0, 0, UI_UNIT_X * 10, UI_UNIT_Y,
 			          pr_texture, 10, TEX_PR_BOTH, 0, 0, "");
 			

source/blender/editors/render/render_shading.c

@@ -1575,6 +1575,9 @@ static void copy_mtex_copybuf(ID *id)
 		case ID_PA:
 			mtex = &(((ParticleSettings *)id)->mtex[(int)((ParticleSettings *)id)->texact]);
 			break;
+		case ID_LS:
+			mtex = &(((FreestyleLineStyle *)id)->mtex[(int)((FreestyleLineStyle *)id)->texact]);
+			break;
 	}
 	
 	if (mtex && *mtex) {
@@ -1608,6 +1611,9 @@ static void paste_mtex_copybuf(ID *id)
 		case ID_PA:
 			mtex = &(((ParticleSettings *)id)->mtex[(int)((ParticleSettings *)id)->texact]);
 			break;
+		case ID_LS:
+			mtex = &(((FreestyleLineStyle *)id)->mtex[(int)((FreestyleLineStyle *)id)->texact]);
+			break;
 		default:
 			BLI_assert("invalid id type");
 			return;
@@ -1674,7 +1680,8 @@ static int paste_mtex_exec(bContext *C, wmOperator *UNUSED(op))
 		Lamp *la = CTX_data_pointer_get_type(C, "lamp", &RNA_Lamp).data;
 		World *wo = CTX_data_pointer_get_type(C, "world", &RNA_World).data;
 		ParticleSystem *psys = CTX_data_pointer_get_type(C, "particle_system", &RNA_ParticleSystem).data;
-		
+		FreestyleLineStyle *linestyle = CTX_data_pointer_get_type(C, "line_style", &RNA_FreestyleLineStyle).data;
+
 		if (ma)
 			id = &ma->id;
 		else if (la)
@@ -1683,6 +1690,8 @@ static int paste_mtex_exec(bContext *C, wmOperator *UNUSED(op))
 			id = &wo->id;
 		else if (psys)
 			id = &psys->part->id;
+		else if (linestyle)
+			id = &linestyle->id;
 		
 		if (id == NULL)
 			return OPERATOR_CANCELLED;

source/blender/editors/space_buttons/buttons_context.c

@@ -45,6 +45,7 @@
 #include "DNA_scene_types.h"
 #include "DNA_world_types.h"
 #include "DNA_brush_types.h"
+#include "DNA_linestyle_types.h"
 
 #include "BKE_context.h"
 #include "BKE_action.h"
@@ -139,6 +140,30 @@ static int buttons_context_path_world(ButsContextPath *path)
 	return 0;
 }
 
+static int buttons_context_path_linestyle(ButsContextPath *path)
+{
+	Scene *scene;
+	FreestyleLineStyle *linestyle;
+	PointerRNA *ptr = &path->ptr[path->len - 1];
+
+	/* if we already have a (pinned) linestyle, we're done */
+	if (RNA_struct_is_a(ptr->type, &RNA_FreestyleLineStyle)) {
+		return 1;
+	}
+	/* if we have a scene, use the lineset's linestyle */
+	else if (buttons_context_path_scene(path)) {
+		scene = path->ptr[path->len - 1].data;
+		linestyle = CTX_data_linestyle_from_scene(scene);
+		if (linestyle) {
+			RNA_id_pointer_create(&linestyle->id, &path->ptr[path->len]);
+			path->len++;
+			return 1;
+		}
+	}
+
+	/* no path to a linestyle possible */
+	return 0;
+}
 
 static int buttons_context_path_object(ButsContextPath *path)
 {
@@ -395,6 +420,8 @@ static int buttons_context_path_texture(ButsContextPath *path, ButsContextTextur
 				buttons_context_path_particle(path);
 			else if (GS(id->name) == ID_OB)
 				buttons_context_path_object(path);
+			else if (GS(id->name) == ID_LS)
+				buttons_context_path_linestyle(path);
 		}
 
 		if (ct->texture) {
@@ -410,6 +437,7 @@ static int buttons_context_path_texture(ButsContextPath *path, ButsContextTextur
 		Lamp *la;
 		World *wo;
 		ParticleSystem *psys;
+		FreestyleLineStyle *ls;
 		Tex *tex;
 		PointerRNA *ptr = &path->ptr[path->len - 1];
 
@@ -470,6 +498,18 @@ static int buttons_context_path_texture(ButsContextPath *path, ButsContextTextur
 			if (la) {
 				tex = give_current_lamp_texture(la);
 
+				RNA_id_pointer_create(&tex->id, &path->ptr[path->len]);
+				path->len++;
+				return 1;
+			}
+		}
+		/* try linestyle */
+		else if ((path->tex_ctx == SB_TEXC_LINESTYLE) && buttons_context_path_linestyle(path)) {
+			ls = path->ptr[path->len - 1].data;
+
+			if (ls) {
+				tex = give_current_linestyle_texture(ls);
+
 				RNA_id_pointer_create(&tex->id, &path->ptr[path->len]);
 				path->len++;
 				return 1;
@@ -481,6 +521,22 @@ static int buttons_context_path_texture(ButsContextPath *path, ButsContextTextur
 	return 0;
 }
 
+static bool buttons_context_linestyle_pinnable(const bContext *C)
+{
+	Scene *scene = CTX_data_scene(C);
+	SpaceButs *sbuts;
+
+	/* if Freestyle is disabled in the scene */
+	if ((scene->r.mode & R_EDGE_FRS) == 0) {
+		return false;
+	}
+	/* if the scene has already been pinned */
+	sbuts = CTX_wm_space_buts(C);
+	if (sbuts->pinid && sbuts->pinid == &scene->id) {
+		return false;
+	}
+	return true;
+}
 
 static int buttons_context_path(const bContext *C, ButsContextPath *path, int mainb, int flag)
 {
@@ -512,7 +568,17 @@ static int buttons_context_path(const bContext *C, ButsContextPath *path, int ma
 	switch (mainb) {
 		case BCONTEXT_SCENE:
 		case BCONTEXT_RENDER:
+			found = buttons_context_path_scene(path);
+			break;
 		case BCONTEXT_RENDER_LAYER:
+#ifdef WITH_FREESTYLE
+			if (buttons_context_linestyle_pinnable(C)) {
+				found = buttons_context_path_linestyle(path);
+				if (found) {
+					break;
+				}
+			}
+#endif
 			found = buttons_context_path_scene(path);
 			break;
 		case BCONTEXT_WORLD:
@@ -662,7 +728,8 @@ const char *buttons_context_dir[] = {
 	"meta_ball", "lamp", "speaker", "camera", "material", "material_slot",
 	"texture", "texture_user", "texture_user_property", "bone", "edit_bone",
 	"pose_bone", "particle_system", "particle_system_editable", "particle_settings",
-	"cloth", "soft_body", "fluid", "smoke", "collision", "brush", "dynamic_paint", NULL
+	"cloth", "soft_body", "fluid", "smoke", "collision", "brush", "dynamic_paint",
+	"line_style", NULL
 };
 
 int buttons_context(const bContext *C, const char *member, bContextDataResult *result)
@@ -860,6 +927,12 @@ int buttons_context(const bContext *C, const char *member, bContextDataResult *r
 			if (wo)
 				CTX_data_pointer_set(result, &wo->id, &RNA_WorldTextureSlot, wo->mtex[(int)wo->texact]);
 		}
+		else if ((ptr = get_pointer_type(path, &RNA_FreestyleLineStyle))) {
+			FreestyleLineStyle *ls = ptr->data;
+
+			if (ls)
+				CTX_data_pointer_set(result, &ls->id, &RNA_LineStyleTextureSlot, ls->mtex[(int)ls->texact]);
+		}
 
 		return 1;
 	}
@@ -972,6 +1045,10 @@ int buttons_context(const bContext *C, const char *member, bContextDataResult *r
 			return 1;
 		}
 	}
+	else if (CTX_data_equals(member, "line_style")) {
+		set_pointer_type(path, result, &RNA_FreestyleLineStyle);
+		return 1;
+	}
 	else {
 		return 0; /* not found */
 	}

source/blender/editors/space_buttons/buttons_texture.c

@@ -51,6 +51,8 @@
 #include "DNA_screen_types.h"
 #include "DNA_space_types.h"
 #include "DNA_world_types.h"
+#include "DNA_linestyle_types.h"
+
 
 #include "BKE_context.h"
 #include "BKE_material.h"
@@ -99,6 +101,13 @@ bool ED_texture_context_check_particles(const bContext *C)
 	return (ob && ob->particlesystem.first);
 }
 
+bool ED_texture_context_check_linestyle(const bContext *C)
+{
+	Scene *scene = CTX_data_scene(C);
+	FreestyleLineStyle *ls = CTX_data_linestyle_from_scene(scene);
+	return (scene && (scene->r.mode & R_EDGE_FRS) && ls && (ls->flag & LS_TEXTURE));
+}
+
 static void texture_context_check_modifier_foreach(void *userData, Object *UNUSED(ob), ModifierData *UNUSED(md),
                                                    const char *UNUSED(propname))
 {
@@ -148,6 +157,7 @@ static void set_texture_context(const bContext *C, SpaceButs *sbuts)
 		bool valid_material = ED_texture_context_check_material(C);
 		bool valid_lamp = ED_texture_context_check_lamp(C);
 		bool valid_particles = ED_texture_context_check_particles(C);
+		bool valid_linestyle = ED_texture_context_check_linestyle(C);
 		bool valid_others = ED_texture_context_check_others(C);
 
 		/* this is similar to direct user action, no need to keep "better" ctxt in _prev */
@@ -163,6 +173,9 @@ static void set_texture_context(const bContext *C, SpaceButs *sbuts)
 		else if ((sbuts->mainb == BCONTEXT_PARTICLE) && valid_particles) {
 			sbuts->texture_context = sbuts->texture_context_prev = SB_TEXC_PARTICLES;
 		}
+		else if ((sbuts->mainb == BCONTEXT_RENDER_LAYER) && valid_linestyle) {
+			sbuts->texture_context = sbuts->texture_context_prev = SB_TEXC_LINESTYLE;
+		}
 		else if ((ELEM(sbuts->mainb, BCONTEXT_MODIFIER, BCONTEXT_PHYSICS)) && valid_others) {
 			sbuts->texture_context = sbuts->texture_context_prev = SB_TEXC_OTHER;
 		}
@@ -172,6 +185,7 @@ static void set_texture_context(const bContext *C, SpaceButs *sbuts)
 		          ((sbuts->texture_context_prev == SB_TEXC_MATERIAL) && valid_material) ||
 		          ((sbuts->texture_context_prev == SB_TEXC_LAMP) && valid_lamp) ||
 		          ((sbuts->texture_context_prev == SB_TEXC_PARTICLES) && valid_particles) ||
+		          ((sbuts->texture_context_prev == SB_TEXC_LINESTYLE) && valid_linestyle) ||
 		          ((sbuts->texture_context_prev == SB_TEXC_OTHER) && valid_others)))
 		{
 			sbuts->texture_context = sbuts->texture_context_prev;
@@ -181,6 +195,7 @@ static void set_texture_context(const bContext *C, SpaceButs *sbuts)
 		         ((sbuts->texture_context == SB_TEXC_MATERIAL) && !valid_material) ||
 		         ((sbuts->texture_context == SB_TEXC_LAMP) && !valid_lamp) ||
 		         ((sbuts->texture_context == SB_TEXC_PARTICLES) && !valid_particles) ||
+		         ((sbuts->texture_context == SB_TEXC_LINESTYLE) && !valid_linestyle) ||
 		         ((sbuts->texture_context == SB_TEXC_OTHER) && !valid_others))
 		{
 			/* this is default fallback, do keep "better" ctxt in _prev */
@@ -194,6 +209,9 @@ static void set_texture_context(const bContext *C, SpaceButs *sbuts)
 			else if (valid_particles) {
 				sbuts->texture_context = SB_TEXC_PARTICLES;
 			}
+			else if (valid_linestyle) {
+				sbuts->texture_context = SB_TEXC_LINESTYLE;
+			}
 			else if (valid_world) {
 				sbuts->texture_context = SB_TEXC_WORLD;
 			}
@@ -284,6 +302,7 @@ static void buttons_texture_users_from_context(ListBase *users, const bContext *
 	Material *ma = NULL;
 	Lamp *la = NULL;
 	World *wrld = NULL;
+	FreestyleLineStyle *linestyle = NULL;
 	Brush *brush = NULL;
 	ID *pinid = sbuts->pinid;
 	bool limited_mode = (sbuts->flag & SB_TEX_USER_LIMITED) != 0;
@@ -302,6 +321,8 @@ static void buttons_texture_users_from_context(ListBase *users, const bContext *
 			ma = (Material *)pinid;
 		else if (GS(pinid->name) == ID_BR)
 			brush = (Brush *)pinid;
+		else if (GS(pinid->name) == ID_LS)
+			linestyle = (FreestyleLineStyle *)pinid;
 	}
 
 	if (!scene)
@@ -311,6 +332,7 @@ static void buttons_texture_users_from_context(ListBase *users, const bContext *
 		ob = (scene->basact) ? scene->basact->object : NULL;
 		wrld = scene->world;
 		brush = BKE_paint_brush(BKE_paint_get_active_from_context(C));
+		linestyle = CTX_data_linestyle_from_scene(scene);
 	}
 
 	if (ob && ob->type == OB_LAMP && !la)
@@ -327,6 +349,8 @@ static void buttons_texture_users_from_context(ListBase *users, const bContext *
 		buttons_texture_users_find_nodetree(users, &la->id, la->nodetree, "Lamp");
 	if (wrld && !limited_mode)
 		buttons_texture_users_find_nodetree(users, &wrld->id, wrld->nodetree, "World");
+	if (linestyle && !limited_mode)
+		buttons_texture_users_find_nodetree(users, &linestyle->id, linestyle->nodetree, "LineStyle");
 
 	if (ob) {
 		ParticleSystem *psys = psys_get_current(ob);

source/blender/editors/space_node/node_draw.c

@@ -36,6 +36,7 @@
 #include "DNA_space_types.h"
 #include "DNA_texture_types.h"
 #include "DNA_world_types.h"
+#include "DNA_linestyle_types.h"
 
 #include "BLI_math.h"
 #include "BLI_blenlib.h"
@@ -106,6 +107,8 @@ static bNodeTree *node_tree_from_ID(ID *id)
 				return ((Scene *)id)->nodetree;
 			case ID_TE:
 				return ((Tex *)id)->nodetree;
+			case ID_LS:
+				return ((FreestyleLineStyle *)id)->nodetree;
 		}
 	}
 	

source/blender/freestyle/CMakeLists.txt

@@ -185,6 +185,8 @@ set(SRC
 	intern/python/StrokeShader/BPy_BackboneStretcherShader.h
 	intern/python/StrokeShader/BPy_BezierCurveShader.cpp
 	intern/python/StrokeShader/BPy_BezierCurveShader.h
+	intern/python/StrokeShader/BPy_BlenderTextureShader.cpp
+	intern/python/StrokeShader/BPy_BlenderTextureShader.h
 	intern/python/StrokeShader/BPy_CalligraphicShader.cpp
 	intern/python/StrokeShader/BPy_CalligraphicShader.h
 	intern/python/StrokeShader/BPy_ColorNoiseShader.cpp
@@ -213,6 +215,8 @@ set(SRC
 	intern/python/StrokeShader/BPy_SpatialNoiseShader.h
 	intern/python/StrokeShader/BPy_StrokeTextureShader.cpp
 	intern/python/StrokeShader/BPy_StrokeTextureShader.h
+	intern/python/StrokeShader/BPy_StrokeTextureStepShader.cpp
+	intern/python/StrokeShader/BPy_StrokeTextureStepShader.h
 	intern/python/StrokeShader/BPy_TextureAssignerShader.cpp
 	intern/python/StrokeShader/BPy_TextureAssignerShader.h
 	intern/python/StrokeShader/BPy_ThicknessNoiseShader.cpp

source/blender/freestyle/intern/blender_interface/BlenderStrokeRenderer.cpp

@@ -34,7 +34,6 @@ extern "C" {
 #include "MEM_guardedalloc.h"
 
 #include "DNA_camera_types.h"
-#include "DNA_customdata_types.h"
 #include "DNA_listBase.h"
 #include "DNA_meshdata_types.h"
 #include "DNA_mesh_types.h"
@@ -137,19 +136,31 @@ BlenderStrokeRenderer::BlenderStrokeRenderer(Render *re, int render_count) : Str
 
 	freestyle_scene->camera = object_camera;
 
-	// Material
-	material = BKE_material_add(freestyle_bmain, "stroke_material");
-	material->mode |= MA_VERTEXCOLP;
-	material->mode |= MA_TRANSP;
-	material->mode |= MA_SHLESS;
-	material->vcol_alpha = 1;
-
 	// Reset serial mesh ID (used for BlenderStrokeRenderer::NewMesh())
 	_mesh_id = 0xffffffff;
 }
 
 BlenderStrokeRenderer::~BlenderStrokeRenderer()
 {
+	// release materials
+	Link *lnk = (Link *)freestyle_bmain->mat.first;
+
+	while (lnk)
+	{
+		Material *ma = (Material*)lnk;
+		// We want to retain the linestyle mtexs, so let's detach them first
+		for (int a = 0; a < MAX_MTEX; a++) {
+			if (ma->mtex[a]) {
+				ma->mtex[a] = NULL;
+			}
+			else {
+				break; // Textures are ordered, no empty slots between two textures
+			}
+		}
+		lnk = lnk->next;
+		BKE_libblock_free(freestyle_bmain, ma);
+	}
+
 	if (0 != _textureManager) {
 		delete _textureManager;
 		_textureManager = NULL;
@@ -185,9 +196,6 @@ BlenderStrokeRenderer::~BlenderStrokeRenderer()
 		}
 	}
 	BLI_freelistN(&freestyle_scene->base);
-
-	// release material
-	BKE_libblock_free(freestyle_bmain, material);
 }
 
 float BlenderStrokeRenderer::get_stroke_vertex_z(void) const
@@ -210,6 +218,55 @@ unsigned int BlenderStrokeRenderer::get_stroke_mesh_id(void) const
 
 void BlenderStrokeRenderer::RenderStrokeRep(StrokeRep *iStrokeRep) const
 {
+	bool has_mat = false;
+	int a = 0;
+
+	// Look for a good existing material
+	for (Link *lnk = (Link *)freestyle_bmain->mat.first; lnk; lnk = lnk->next) {
+		Material *ma = (Material*) lnk;
+		bool texs_are_good = true;
+		// as soon as textures differ it's not the right one
+		for (int a = 0; a < MAX_MTEX; a++) {
+			if (ma->mtex[a] != iStrokeRep->getMTex(a)) {
+				texs_are_good = false;
+				break;
+			}
+		}
+
+		if (texs_are_good) {
+			iStrokeRep->setMaterial(ma);
+			has_mat = true;
+			break; // if textures are good, no need to search anymore
+		}
+	}
+
+	// If still no material, create one
+	if (!has_mat) {
+		Material *ma = BKE_material_add(freestyle_bmain, "stroke_material");
+
+		ma->mode |= MA_VERTEXCOLP;
+		ma->mode |= MA_TRANSP;
+		ma->mode |= MA_SHLESS;
+		ma->vcol_alpha = 1;
+
+		// Textures
+		//for (int a = 0; a < MAX_MTEX; a++) {
+		while (iStrokeRep->getMTex(a)) {
+			ma->mtex[a] = (MTex *) iStrokeRep->getMTex(a);
+
+			// We'll generate both with tips and without tips
+			// coordinates, on two different UV layers.
+			if (ma->mtex[a]->texflag & MTEX_TIPS)  {
+				BLI_strncpy(ma->mtex[a]->uvname, "along_stroke_tips", sizeof(ma->mtex[a]->uvname));
+			}
+			else {
+				BLI_strncpy(ma->mtex[a]->uvname, "along_stroke", sizeof(ma->mtex[a]->uvname));
+			}
+			a++;
+		}
+		iStrokeRep->setMaterial(ma);
+	}
+
 	RenderStrokeRepBasic(iStrokeRep);
 }
 
@@ -277,7 +334,7 @@ void BlenderStrokeRenderer::RenderStrokeRepBasic(StrokeRep *iStrokeRep) const
 #endif
 		Mesh *mesh = (Mesh *)object_mesh->data;
 		mesh->mat = (Material **)MEM_mallocN(1 * sizeof(Material *), "MaterialList");
-		mesh->mat[0] = material;
+		mesh->mat[0] = iStrokeRep->getMaterial();
 		mesh->totcol = 1;
 		test_object_materials(freestyle_bmain, (ID *)mesh);
 
@@ -309,6 +366,7 @@ void BlenderStrokeRenderer::RenderStrokeRepBasic(StrokeRep *iStrokeRep) const
 		MPoly *polys = mesh->mpoly;
 		MLoop *loops = mesh->mloop;
 		MLoopCol *colors = mesh->mloopcol;
+		MLoopUV *loopsuv[2];
 
 		v[0] = strip_vertices.begin();
 		v[1] = v[0] + 1;
@@ -317,6 +375,24 @@ void BlenderStrokeRenderer::RenderStrokeRepBasic(StrokeRep *iStrokeRep) const
 		vertex_index = edge_index = loop_index = 0;
 		visible = false;
 
+		// First UV layer
+		CustomData_add_layer_named(&mesh->pdata, CD_MTEXPOLY, CD_CALLOC, NULL, mesh->totpoly, "along_stroke");
+		CustomData_add_layer_named(&mesh->ldata, CD_MLOOPUV, CD_CALLOC, NULL, mesh->totloop, "along_stroke");
+		CustomData_set_layer_active(&mesh->pdata, CD_MTEXPOLY, 0);
+		CustomData_set_layer_active(&mesh->ldata, CD_MLOOPUV, 0);
+		BKE_mesh_update_customdata_pointers(mesh, true);
+
+		loopsuv[0] = mesh->mloopuv;
+
+		// Second UV layer
+		CustomData_add_layer_named(&mesh->pdata, CD_MTEXPOLY, CD_CALLOC, NULL, mesh->totpoly, "along_stroke_tips");
+		CustomData_add_layer_named(&mesh->ldata, CD_MLOOPUV, CD_CALLOC, NULL, mesh->totloop, "along_stroke_tips");
+		CustomData_set_layer_active(&mesh->pdata, CD_MTEXPOLY, 1);
+		CustomData_set_layer_active(&mesh->ldata, CD_MLOOPUV, 1);
+		BKE_mesh_update_customdata_pointers(mesh, true);
+
+		loopsuv[1] = mesh->mloopuv;
+
 		// Note: Mesh generation in the following loop assumes stroke strips
 		// to be triangle strips.
 		for (n = 2; n < strip_vertex_count; n++, v[0]++, v[1]++, v[2]++) {
@@ -394,18 +470,10 @@ void BlenderStrokeRenderer::RenderStrokeRepBasic(StrokeRep *iStrokeRep) const
 				polys->totloop = 3;
 				++polys;
 
+				// Even and odd loops connect triangles vertices differently
+				bool is_odd = n % 2;
 				// loops
-				if (n % 2 == 0) {
+				if (is_odd) {
-					loops[0].v = vertex_index - 1;
-					loops[0].e = edge_index - 1;
-
-					loops[1].v = vertex_index - 2;
-					loops[1].e = edge_index - 3;
-
-					loops[2].v = vertex_index - 3;
-					loops[2].e = edge_index - 2;
-				}
-				else {
 					loops[0].v = vertex_index - 1;
 					loops[0].e = edge_index - 2;
 
@@ -415,27 +483,54 @@ void BlenderStrokeRenderer::RenderStrokeRepBasic(StrokeRep *iStrokeRep) const
 					loops[2].v = vertex_index - 2;
 					loops[2].e = edge_index - 1;
 				}
+				else {
+					loops[0].v = vertex_index - 1;
+					loops[0].e = edge_index - 1;
+
+					loops[1].v = vertex_index - 2;
+					loops[1].e = edge_index - 3;
+
+					loops[2].v = vertex_index - 3;
+					loops[2].e = edge_index - 2;
+				}
 				loops += 3;
 				loop_index += 3;
 
-				// colors
+				// UV
-				if (n % 2 == 0) {
+				if (iStrokeRep->getMTex(0)) {
-					colors[0].r = (short)(255.0f * svRep[2]->color()[0]);
+					// First UV layer (loopsuv[0]) has no tips (texCoord(0)).
-					colors[0].g = (short)(255.0f * svRep[2]->color()[1]);
+					// Second UV layer (loopsuv[1]) has tips:  (texCoord(1)).
-					colors[0].b = (short)(255.0f * svRep[2]->color()[2]);
+					for (int L = 0; L < 2; L++) {
-					colors[0].a = (short)(255.0f * svRep[2]->alpha());
+						if (is_odd) {
+							loopsuv[L][0].uv[0] = svRep[2]->texCoord(L).x();
+							loopsuv[L][0].uv[1] = svRep[2]->texCoord(L).y();
 
-					colors[1].r = (short)(255.0f * svRep[1]->color()[0]);
+							loopsuv[L][1].uv[0] = svRep[0]->texCoord(L).x();
-					colors[1].g = (short)(255.0f * svRep[1]->color()[1]);
+							loopsuv[L][1].uv[1] = svRep[0]->texCoord(L).y();
-					colors[1].b = (short)(255.0f * svRep[1]->color()[2]);
-					colors[1].a = (short)(255.0f * svRep[1]->alpha());
 
-					colors[2].r = (short)(255.0f * svRep[0]->color()[0]);
+							loopsuv[L][2].uv[0] = svRep[1]->texCoord(L).x();
-					colors[2].g = (short)(255.0f * svRep[0]->color()[1]);
+							loopsuv[L][2].uv[1] = svRep[1]->texCoord(L).y();
-					colors[2].b = (short)(255.0f * svRep[0]->color()[2]);
+						}
-					colors[2].a = (short)(255.0f * svRep[0]->alpha());
+						else {
+							loopsuv[L][0].uv[0] = svRep[2]->texCoord(L).x();
+							loopsuv[L][0].uv[1] = svRep[2]->texCoord(L).y();
+
+							loopsuv[L][1].uv[0] = svRep[1]->texCoord(L).x();
+							loopsuv[L][1].uv[1] = svRep[1]->texCoord(L).y();
+
+							loopsuv[L][2].uv[0] = svRep[0]->texCoord(L).x();
+							loopsuv[L][2].uv[1] = svRep[0]->texCoord(L).y();
+						}
+						/* freestyle tex-origin is upside-down */
+						for (int i = 0; i < 3; i++) {
+							loopsuv[L][i].uv[1] *= -1;
+						}
+						loopsuv[L] += 3;
+					}
 				}
-				else {
+
+				// colors
+				if (is_odd) {
 					colors[0].r = (short)(255.0f * svRep[2]->color()[0]);
 					colors[0].g = (short)(255.0f * svRep[2]->color()[1]);
 					colors[0].b = (short)(255.0f * svRep[2]->color()[2]);
@@ -450,6 +545,22 @@ void BlenderStrokeRenderer::RenderStrokeRepBasic(StrokeRep *iStrokeRep) const
 					colors[2].g = (short)(255.0f * svRep[1]->color()[1]);
 					colors[2].b = (short)(255.0f * svRep[1]->color()[2]);
 					colors[2].a = (short)(255.0f * svRep[1]->alpha());
+					}
+				else {
+					colors[0].r = (short)(255.0f * svRep[2]->color()[0]);
+					colors[0].g = (short)(255.0f * svRep[2]->color()[1]);
+					colors[0].b = (short)(255.0f * svRep[2]->color()[2]);
+					colors[0].a = (short)(255.0f * svRep[2]->alpha());
+
+					colors[1].r = (short)(255.0f * svRep[1]->color()[0]);
+					colors[1].g = (short)(255.0f * svRep[1]->color()[1]);
+					colors[1].b = (short)(255.0f * svRep[1]->color()[2]);
+					colors[1].a = (short)(255.0f * svRep[1]->alpha());
+
+					colors[2].r = (short)(255.0f * svRep[0]->color()[0]);
+					colors[2].g = (short)(255.0f * svRep[0]->color()[1]);
+					colors[2].b = (short)(255.0f * svRep[0]->color()[2]);
+					colors[2].a = (short)(255.0f * svRep[0]->alpha());
 				}
 				colors += 3;
 			}

source/blender/freestyle/intern/blender_interface/BlenderStrokeRenderer.h

@@ -57,7 +57,6 @@ protected:
 	Main *freestyle_bmain;
 	Scene *old_scene;
 	Scene *freestyle_scene;
-	Material *material;
 	float _width, _height;
 	float _z, _z_delta;
 	unsigned int _mesh_id;

source/blender/freestyle/intern/python/BPy_Freestyle.cpp

@@ -301,6 +301,7 @@ static char module_docstring[] =
 "\n"
 "  - :class:`BackboneStretcherShader`\n"
 "  - :class:`BezierCurveShader`\n"
+"  - :class:`BlenderTextureShader`\n"
 "  - :class:`CalligraphicShader`\n"
 "  - :class:`ColorNoiseShader`\n"
 "  - :class:`ColorVariationPatternShader`\n"
@@ -315,6 +316,7 @@ static char module_docstring[] =
 "  - :class:`SmoothingShader`\n"
 "  - :class:`SpatialNoiseShader`\n"
 "  - :class:`StrokeTextureShader`\n"
+"  - :class:`StrokeTextureStepShader`\n"
 "  - :class:`TextureAssignerShader`\n"
 "  - :class:`ThicknessNoiseShader`\n"
 "  - :class:`ThicknessVariationPatternShader`\n"

source/blender/freestyle/intern/python/BPy_StrokeShader.cpp

@@ -29,6 +29,7 @@
 
 #include "StrokeShader/BPy_BackboneStretcherShader.h"
 #include "StrokeShader/BPy_BezierCurveShader.h"
+#include "StrokeShader/BPy_BlenderTextureShader.h"
 #include "StrokeShader/BPy_CalligraphicShader.h"
 #include "StrokeShader/BPy_ColorNoiseShader.h"
 #include "StrokeShader/BPy_ColorVariationPatternShader.h"
@@ -45,6 +46,7 @@
 #include "StrokeShader/BPy_SpatialNoiseShader.h"
 #include "StrokeShader/BPy_streamShader.h"
 #include "StrokeShader/BPy_StrokeTextureShader.h"
+#include "StrokeShader/BPy_StrokeTextureStepShader.h"
 #include "StrokeShader/BPy_TextureAssignerShader.h"
 #include "StrokeShader/BPy_ThicknessNoiseShader.h"
 #include "StrokeShader/BPy_ThicknessVariationPatternShader.h"
@@ -77,6 +79,11 @@ int StrokeShader_Init(PyObject *module)
 	Py_INCREF(&BezierCurveShader_Type);
 	PyModule_AddObject(module, "BezierCurveShader", (PyObject *)&BezierCurveShader_Type);
 
+	if (PyType_Ready(&BlenderTextureShader_Type) < 0)
+		return -1;
+	Py_INCREF(&BlenderTextureShader_Type);
+	PyModule_AddObject(module, "BlenderTextureShader", (PyObject *)&BlenderTextureShader_Type);
+
 	if (PyType_Ready(&CalligraphicShader_Type) < 0)
 		return -1;
 	Py_INCREF(&CalligraphicShader_Type);
@@ -158,6 +165,11 @@ int StrokeShader_Init(PyObject *module)
 	Py_INCREF(&StrokeTextureShader_Type);
 	PyModule_AddObject(module, "StrokeTextureShader", (PyObject *)&StrokeTextureShader_Type);
 
+	if (PyType_Ready(&StrokeTextureStepShader_Type) < 0)
+		return -1;
+	Py_INCREF(&StrokeTextureStepShader_Type);
+	PyModule_AddObject(module, "StrokeTextureStepShader", (PyObject *)&StrokeTextureStepShader_Type);
+
 	if (PyType_Ready(&TextureAssignerShader_Type) < 0)
 		return -1;
 	Py_INCREF(&TextureAssignerShader_Type);

source/blender/freestyle/intern/python/StrokeShader/BPy_BlenderTextureShader.cpp

@@ -0,0 +1,125 @@
+/*
+ * ***** BEGIN GPL LICENSE BLOCK *****
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+/** \file source/blender/freestyle/intern/python/StrokeShader/BPy_BlenderTextureShader.cpp
+ *  \ingroup freestyle
+ */
+
+#include "BPy_BlenderTextureShader.h"
+
+#include "../../stroke/BasicStrokeShaders.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "../../../../python/generic/py_capi_utils.h"
+
+///////////////////////////////////////////////////////////////////////////////////////////
+
+//------------------------INSTANCE METHODS ----------------------------------
+
+static char BlenderTextureShader___doc__[] =
+"Class hierarchy: :class:`StrokeShader` > :class:`BlenderTextureShader`\n"
+"\n"
+"[Texture shader]\n"
+"\n"
+".. method:: __init__(LineStyleTextureSlot)\n"
+"\n"
+"   Builds a BlenderTextureShader object.\n"
+"\n"
+"	:arg mtex: texture slot to add to stroke shading.\n"
+"   :type mtex: LineStyleTextureSlot\n"
+
+"\n"
+".. method:: shade(stroke)\n"
+"\n"
+"   Assigns a blender texture slot to the stroke  shading\n"
+"	in order to simulate marks.\n"
+"\n"
+"   :arg stroke: A Stroke object.\n"
+"   :type stroke: :class:`Stroke`\n";
+
+static int BlenderTextureShader___init__(BPy_BlenderTextureShader *self, PyObject *args, PyObject *kwds)
+{
+	static const char *kwlist[] = {"LineStyleTextureSlot", NULL};
+	PyObject *py_mtex;
+	MTex *_mtex;
+
+	if (!PyArg_ParseTupleAndKeywords(args, kwds, "O", (char **)kwlist, &py_mtex))
+		return -1;
+
+	_mtex = (MTex*)PyC_RNA_AsPointer(py_mtex, "LineStyleTextureSlot");
+
+	if (_mtex) {
+		self->py_ss.ss = new StrokeShaders::BlenderTextureShader(_mtex);
+	}
+
+	return 0;
+}
+
+/*-----------------------BPy_BlenderTextureShader type definition ------------------------------*/
+
+PyTypeObject BlenderTextureShader_Type = {
+	PyVarObject_HEAD_INIT(NULL, 0)
+	"BlenderTextureShader",        /* tp_name */
+	sizeof(BPy_BlenderTextureShader), /* tp_basicsize */
+	0,                              /* tp_itemsize */
+	0,                              /* tp_dealloc */
+	0,                              /* tp_print */
+	0,                              /* tp_getattr */
+	0,                              /* tp_setattr */
+	0,                              /* tp_reserved */
+	0,                              /* tp_repr */
+	0,                              /* tp_as_number */
+	0,                              /* tp_as_sequence */
+	0,                              /* tp_as_mapping */
+	0,                              /* tp_hash  */
+	0,                              /* tp_call */
+	0,                              /* tp_str */
+	0,                              /* tp_getattro */
+	0,                              /* tp_setattro */
+	0,                              /* tp_as_buffer */
+	Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */
+	BlenderTextureShader___doc__,  /* tp_doc */
+	0,                              /* tp_traverse */
+	0,                              /* tp_clear */
+	0,                              /* tp_richcompare */
+	0,                              /* tp_weaklistoffset */
+	0,                              /* tp_iter */
+	0,                              /* tp_iternext */
+	0,                              /* tp_methods */
+	0,                              /* tp_members */
+	0,                              /* tp_getset */
+	&StrokeShader_Type,             /* tp_base */
+	0,                              /* tp_dict */
+	0,                              /* tp_descr_get */
+	0,                              /* tp_descr_set */
+	0,                              /* tp_dictoffset */
+	(initproc)BlenderTextureShader___init__, /* tp_init */
+	0,                              /* tp_alloc */
+	0,                              /* tp_new */
+};
+
+///////////////////////////////////////////////////////////////////////////////////////////
+
+#ifdef __cplusplus
+}
+#endif

source/blender/freestyle/intern/python/StrokeShader/BPy_BlenderTextureShader.h

@@ -0,0 +1,57 @@
+/*
+ * ***** BEGIN GPL LICENSE BLOCK *****
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+/** \file source/blender/freestyle/intern/python/StrokeShader/BPy_BlenderTextureShader.h
+ *  \ingroup freestyle
+ */
+
+#ifndef __FREESTYLE_PYTHON_BLENDERTEXTURESHADER_H__
+#define __FREESTYLE_PYTHON_BLENDERTEXTURESHADER_H__
+
+#include "../BPy_StrokeShader.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct MTex;
+
+///////////////////////////////////////////////////////////////////////////////////////////
+
+#include <Python.h>
+
+extern PyTypeObject BlenderTextureShader_Type;
+
+#define BPy_BlenderTextureShader_Check(v) (PyObject_IsInstance((PyObject *)v, (PyObject *)&BlenderTextureShader_Type))
+
+/*---------------------------Python BPy_BlenderTextureShader structure definition-----------*/
+typedef struct {
+	BPy_StrokeShader py_ss;
+} BPy_BlenderTextureShader;
+
+
+///////////////////////////////////////////////////////////////////////////////////////////
+
+#ifdef __cplusplus
+}
+#endif
+
+
+#endif /* __FREESTYLE_PYTHON_BLENDERTEXTURESHADER_H__ */

source/blender/freestyle/intern/python/StrokeShader/BPy_StrokeTextureStepShader.cpp

@@ -0,0 +1,114 @@
+/*
+ * ***** BEGIN GPL LICENSE BLOCK *****
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+/** \file source/blender/freestyle/intern/python/StrokeShader/BPy_StrokeTextureStepShader.cpp
+ *  \ingroup freestyle
+ */
+
+#include "BPy_StrokeTextureStepShader.h"
+
+#include "../../stroke/BasicStrokeShaders.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+///////////////////////////////////////////////////////////////////////////////////////////
+
+//------------------------INSTANCE METHODS ----------------------------------
+
+static char StrokeTextureStepShader___doc__[] =
+"Class hierarchy: :class:`StrokeShader` > :class:`StrokeTextureStepShader`\n"
+"\n"
+"[Texture shader]\n"
+"\n"
+".. method:: __init__(step)\n"
+"\n"
+"   Builds a StrokeTextureStepShader object.\n"
+"\n"
+"   :arg step: The spacing along the stroke.\n"
+"   :type step: float\n"
+"\n"
+".. method:: shade(stroke)\n"
+"\n"
+"   Assigns a spacing factor to the texture coordinates of the Stroke.\n"
+"\n"
+"   :arg stroke: A Stroke object.\n"
+"   :type stroke: :class:`Stroke`\n";
+
+static int StrokeTextureStepShader___init__(BPy_StrokeTextureStepShader *self, PyObject *args, PyObject *kwds)
+{
+	static const char *kwlist[] = {"step", NULL};
+	float step = 0.1;
+
+	if (!PyArg_ParseTupleAndKeywords(args, kwds, "f", (char **)kwlist, &step))
+		return -1;
+	self->py_ss.ss = new StrokeShaders::StrokeTextureStepShader(step);
+	return 0;
+}
+
+/*-----------------------BPy_StrokeTextureStepShader type definition ------------------------------*/
+
+PyTypeObject StrokeTextureStepShader_Type = {
+	PyVarObject_HEAD_INIT(NULL, 0)
+	"StrokeTextureStepShader",          /* tp_name */
+	sizeof(BPy_StrokeTextureStepShader), /* tp_basicsize */
+	0,                              /* tp_itemsize */
+	0,                              /* tp_dealloc */
+	0,                              /* tp_print */
+	0,                              /* tp_getattr */
+	0,                              /* tp_setattr */
+	0,                              /* tp_reserved */
+	0,                              /* tp_repr */
+	0,                              /* tp_as_number */
+	0,                              /* tp_as_sequence */
+	0,                              /* tp_as_mapping */
+	0,                              /* tp_hash  */
+	0,                              /* tp_call */
+	0,                              /* tp_str */
+	0,                              /* tp_getattro */
+	0,                              /* tp_setattro */
+	0,                              /* tp_as_buffer */
+	Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */
+	StrokeTextureStepShader___doc__,    /* tp_doc */
+	0,                              /* tp_traverse */
+	0,                              /* tp_clear */
+	0,                              /* tp_richcompare */
+	0,                              /* tp_weaklistoffset */
+	0,                              /* tp_iter */
+	0,                              /* tp_iternext */
+	0,                              /* tp_methods */
+	0,                              /* tp_members */
+	0,                              /* tp_getset */
+	&StrokeShader_Type,             /* tp_base */
+	0,                              /* tp_dict */
+	0,                              /* tp_descr_get */
+	0,                              /* tp_descr_set */
+	0,                              /* tp_dictoffset */
+	(initproc)StrokeTextureStepShader___init__, /* tp_init */
+	0,                              /* tp_alloc */
+	0,                              /* tp_new */
+};
+
+///////////////////////////////////////////////////////////////////////////////////////////
+
+#ifdef __cplusplus
+}
+#endif

source/blender/freestyle/intern/python/StrokeShader/BPy_StrokeTextureStepShader.h

@@ -0,0 +1,55 @@
+/*
+ * ***** BEGIN GPL LICENSE BLOCK *****
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+/** \file source/blender/freestyle/intern/python/StrokeShader/BPy_StrokeTextureStepShader.h
+ *  \ingroup freestyle
+ */
+
+#ifndef __FREESTYLE_PYTHON_STROKETEXTURESTEPSHADER_H__
+#define __FREESTYLE_PYTHON_STROKETEXTURESTEPSHADER_H__
+
+#include "../BPy_StrokeShader.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+///////////////////////////////////////////////////////////////////////////////////////////
+
+#include <Python.h>
+
+extern PyTypeObject StrokeTextureStepShader_Type;
+
+#define BPy_StrokeTextureStepShader_Check(v) (PyObject_IsInstance((PyObject *)v, (PyObject *)&StrokeTextureStepShader_Type))
+
+/*---------------------------Python BPy_StrokeTextureStepShader structure definition----------*/
+typedef struct {
+	BPy_StrokeShader py_ss;
+} BPy_StrokeTextureStepShader;
+
+
+///////////////////////////////////////////////////////////////////////////////////////////
+
+#ifdef __cplusplus
+}
+#endif
+
+
+#endif /* __FREESTYLE_PYTHON_STROKETEXTURESTEPSHADER_H__ */

source/blender/freestyle/intern/stroke/BasicStrokeShaders.cpp

@@ -449,6 +449,17 @@ int ColorNoiseShader::shade(Stroke& stroke) const
 //
 ///////////////////////////////////////////////////////////////////////////////
 
+int BlenderTextureShader::shade(Stroke& stroke) const
+{
+	return stroke.setMTex(_mtex);
+}
+
+int StrokeTextureStepShader::shade(Stroke& stroke) const
+{
+	stroke.setTextureStep(_step);
+	return 0;
+}
+
 int TextureAssignerShader::shade(Stroke& stroke) const
 {
 #if 0

source/blender/freestyle/intern/stroke/BasicStrokeShaders.h

@@ -36,6 +36,8 @@
 #include "../geometry/Bezier.h"
 #include "../geometry/Geom.h"
 
+struct MTex;
+
 using namespace std;
 
 namespace Freestyle {
@@ -894,6 +896,62 @@ public:
 	virtual int shade(Stroke& stroke) const;
 };
 
+/*! [ Texture Shader ].
+ *  Shader to assign texture to the Stroke material.
+ */
+
+class BlenderTextureShader : public StrokeShader
+{
+private:
+	MTex *_mtex;
+
+public:
+	/*! Builds the shader.
+	 *  \param mtex
+	 *    The blender texture to use.
+	 */
+	BlenderTextureShader(MTex *mtex) : StrokeShader()
+	{
+		_mtex = mtex;
+	}
+
+	virtual string getName() const
+	{
+		return "BlenderTextureShader";
+	}
+
+	/*! The shading method */
+	virtual int shade(Stroke& stroke) const;
+};
+
+/*! [ Texture Shader ].
+ *  Shader to assign texture to the Stroke material.
+ */
+
+class StrokeTextureStepShader : public StrokeShader
+{
+private:
+	float _step;
+
+public:
+	/*! Builds the shader.
+	 *  \param id
+	 *    The number of the preset to use.
+	 */
+	StrokeTextureStepShader(float step) : StrokeShader()
+	{
+		_step = step;
+	}
+
+	virtual string getName() const
+	{
+		return "StrokeTextureStepShader";
+	}
+
+	/*! The shading method */
+	virtual int shade(Stroke& stroke) const;
+};
+
 } // end of namespace StrokeShaders
 
 } /* namespace Freestyle */

source/blender/freestyle/intern/stroke/Stroke.cpp

@@ -393,6 +393,10 @@ Stroke::Stroke()
 	//_mediumType = DEFAULT_STROKE;
 	_mediumType = OPAQUE_MEDIUM;
 	_textureId = 0;
+	_textureStep = 1.0;
+	for (int a = 0; a < MAX_MTEX; a++) {
+		_mtex[a] = NULL;
+	}
 	_tips = false;
 	_rep = NULL;
 }
@@ -411,6 +415,15 @@ Stroke::Stroke(const Stroke& iBrother)
 	_sampling = iBrother._sampling;
 	_mediumType = iBrother._mediumType;
 	_textureId = iBrother._textureId;
+	_textureStep = iBrother._textureStep;
+	for (int a = 0; a < MAX_MTEX; a++) {
+		if (iBrother._mtex) {
+			_mtex[a] = iBrother._mtex[a];
+		}
+		else {
+			_mtex[a] = NULL;
+		}
+	}
 	_tips = iBrother._tips;
 	if (iBrother._rep)
 		_rep = new StrokeRep(*(iBrother._rep));

source/blender/freestyle/intern/stroke/Stroke.h

@@ -43,6 +43,14 @@
 #include "MEM_guardedalloc.h"
 #endif
 
+extern "C" {
+#include "DNA_material_types.h"
+}
+
+#ifndef MAX_MTEX
+#define MAX_MTEX	18
+#endif
+
 namespace Freestyle {
 
 //
@@ -528,9 +536,11 @@ private:
 	float _Length; // The stroke length
 	viewedge_container _ViewEdges;
 	float _sampling;
+	float _textureStep;
 	// StrokeRenderer *_renderer; // mark implementation OpenGL renderer
 	MediumType _mediumType;
 	unsigned int _textureId;
+	MTex *_mtex[MAX_MTEX];
 	bool _tips;
 	Vec2r _extremityOrientations[2]; // the orientations of the first and last extermity
 	StrokeRep *_rep;
@@ -635,6 +645,13 @@ public:
 	/*! Returns the id of the texture used to simulate th marks system for this Stroke */
 	inline unsigned int getTextureId() {return _textureId;}
 
+	/*! Returns the spacing of texture coordinates along the stroke lenght */
+	inline float getTextureStep() {return _textureStep;}
+
+	/*! Returns the texture used at given index to simulate the marks system for this Stroke */
+	inline MTex *getMTex(int idx) {
+		return _mtex[idx];}
+
 	/*! Returns true if this Stroke uses a texture with tips, false otherwise. */
 	inline bool hasTips() const
 	{
@@ -725,6 +742,25 @@ public:
 		_textureId = id;
 	}
 
+	/*! sets the spacing of texture coordinates along the stroke lenght. */
+	inline void setTextureStep(float step)
+	{
+		_textureStep = step;
+	}
+
+	/*! assigns a blender texture to the first available slot. */
+	inline int setMTex(MTex *mtex)
+	{
+		for (int a = 0; a < MAX_MTEX; a++) {
+			if (!_mtex[a]) {
+				_mtex[a] = mtex;
+
+				return 0;
+			}
+		}
+		return -1; /* no free slots */
+	}
+
 	/*! sets the flag telling whether this stroke is using a texture with tips or not. */
 	inline void setTips(bool iTips)
 	{

source/blender/freestyle/intern/stroke/StrokeRep.cpp

@@ -45,6 +45,7 @@ StrokeVertexRep::StrokeVertexRep(const StrokeVertexRep& iBrother)
 {
 	_point2d = iBrother._point2d;
 	_texCoord = iBrother._texCoord;
+	_texCoord_w_tips = iBrother._texCoord_w_tips;
 	_color = iBrother._color;
 	_alpha = iBrother._alpha;
 }
@@ -53,13 +54,13 @@ StrokeVertexRep::StrokeVertexRep(const StrokeVertexRep& iBrother)
 // STRIP
 /////////////////////////////////////
 
-Strip::Strip(const vector<StrokeVertex*>& iStrokeVertices, bool hasTips, bool beginTip, bool endTip)
+Strip::Strip(const vector<StrokeVertex*>& iStrokeVertices, bool hasTips, bool beginTip, bool endTip, float texStep)
 {
 	createStrip(iStrokeVertices);
-	if (!hasTips)
+
-		computeTexCoord (iStrokeVertices);
+	// We compute both kinds of coordinates to use different kinds of textures
-	else
+	computeTexCoord (iStrokeVertices, texStep);
-		computeTexCoordWithTips (iStrokeVertices, beginTip, endTip);
+	computeTexCoordWithTips (iStrokeVertices, beginTip, endTip, texStep);
 }
 
 Strip::Strip(const Strip& iBrother)
@@ -485,21 +486,19 @@ void Strip::cleanUpSingularities (const vector<StrokeVertex*>& iStrokeVertices)
 // Texture coordinates
 ////////////////////////////////
 
-void Strip::computeTexCoord (const vector<StrokeVertex *>& iStrokeVertices)
+void Strip::computeTexCoord (const vector<StrokeVertex *>& iStrokeVertices, float texStep)
 {
 	vector<StrokeVertex *>::const_iterator v, vend;
 	StrokeVertex *sv;
 	int i = 0;
 	for (v = iStrokeVertices.begin(), vend = iStrokeVertices.end(); v != vend; v++) {
 		sv = (*v);
-		_vertices[i]->setTexCoord(Vec2r((real)(sv->curvilinearAbscissa() / _averageThickness), 0));
+		_vertices[i]->setTexCoord(Vec2r((real)(sv->curvilinearAbscissa() / (_averageThickness * texStep)), 0));
-		_vertices[i]->setColor(Vec3r(sv->attribute().getColor()[0], sv->attribute().getColor()[1],
+		_vertices[i]->setColor(Vec3r(sv->attribute().getColorRGB()));
-		                             sv->attribute().getColor()[2]));
 		_vertices[i]->setAlpha(sv->attribute().getAlpha());
 		i++;
-		_vertices[i]->setTexCoord(Vec2r((real)(sv->curvilinearAbscissa() / _averageThickness), 1));
+		_vertices[i]->setTexCoord(Vec2r((real)(sv->curvilinearAbscissa() / (_averageThickness * texStep)), 1));
-		_vertices[i]->setColor(Vec3r(sv->attribute().getColor()[0], sv->attribute().getColor()[1],
+		_vertices[i]->setColor(Vec3r(sv->attribute().getColorRGB()));
-		                             sv->attribute().getColor()[2]));
 		_vertices[i]->setAlpha(sv->attribute().getAlpha());
 		i++;
 #if 0
@@ -509,23 +508,23 @@ void Strip::computeTexCoord (const vector<StrokeVertex *>& iStrokeVertices)
 	}
 }
 
-void Strip::computeTexCoordWithTips (const vector<StrokeVertex*>& iStrokeVertices, bool tipBegin, bool tipEnd)
+void Strip::computeTexCoordWithTips (const vector<StrokeVertex*>& iStrokeVertices, bool tipBegin, bool tipEnd, float texStep)
 {
-	//soc unused - unsigned int sizeStrip = _vertices.size() + 8; //for the transition between the tip and the body
 	vector<StrokeVertex*>::const_iterator v, vend;
 	StrokeVertex *sv = NULL;
+	StrokeVertexRep *tvRep[2] = {NULL};
+
+	float l, fact, t;
+	float u = 0, uPrev = 0;
+	int tiles;
+	int i = 0;
+	float spacedThickness = _averageThickness * texStep;
 
 	v = iStrokeVertices.begin();
 	vend = iStrokeVertices.end();
-	float l = (*v)->strokeLength() / _averageThickness;
+	l = (*v)->strokeLength() / spacedThickness;
-	int tiles = int(l);
+	tiles = int(l + 0.5); // round to the nearest
-	float fact = (float(tiles) + 0.5) / l;
+	fact = (float(tiles) + 0.5) / l;
-	//soc unused - float uTip2 = float(tiles) + 0.25;
-	float u = 0; 
-	float uPrev = 0;
-	int i = 0;
-	float t;
-	StrokeVertexRep *tvRep1, *tvRep2;
 
 #if 0
 	cerr << "l=" << l << "  tiles=" << tiles << "    _averageThicnkess="
@@ -538,166 +537,117 @@ void Strip::computeTexCoordWithTips (const vector<StrokeVertex*>& iStrokeVertice
 		for (; v != vend; v++) {
 			sv = (*v);
 			svRep = *currentSV;
-			u = sv->curvilinearAbscissa() / _averageThickness * fact;
+			u = sv->curvilinearAbscissa() / spacedThickness * fact;
 			if (u > 0.25)
 				break;
 
-			svRep->setTexCoord(Vec2r((real)u, 0.5));
+			svRep->setTexCoord(Vec2r((real)u, 0.5), true);
-			svRep->setColor(Vec3r(sv->attribute().getColor()[0], sv->attribute().getColor()[1],
-			                      sv->attribute().getColor()[2]));
-			svRep->setAlpha(sv->attribute().getAlpha());
 			i++;
 			++currentSV;
 
 			svRep = *currentSV;
-			svRep->setTexCoord(Vec2r((real)u, 1));
+			svRep->setTexCoord(Vec2r((real)u, 1), true);
-			svRep->setColor(Vec3r(sv->attribute().getColor()[0], sv->attribute().getColor()[1],
-			                      sv->attribute().getColor()[2]));
-			svRep->setAlpha(sv->attribute().getAlpha());
 			i++;
 			++currentSV;
 			uPrev = u;
 		}
-		//first transition vertex
 
+		// first transition vertex
 		if (fabs(u - uPrev) > ZERO)
 			t = (0.25 - uPrev) / (u - uPrev);
 		else
 			t = 0;
-#if 0
+		for (int k = 0; k < 2; k++) {
-		if (!tiles)
+			tvRep[k] = new StrokeVertexRep((1 - t) * _vertices[i - 2]->point2d() + t * _vertices[i]->point2d());
-			t = 0.5;
+			tvRep[k]->setTexCoord((1 - t) * _vertices[i - 2]->texCoord() + t * _vertices[i]->texCoord());
-#endif
+			// v coord is 0.5 for tvRep[0], 1.0 for tvRep[1]
-		tvRep1 = new StrokeVertexRep(Vec2r((1 - t) * _vertices[i - 2]->point2d() + t * _vertices[i]->point2d()));
+			tvRep[k]->setTexCoord(Vec2r(0.25, 0.5 * (k + 1)), true);
-		tvRep1->setTexCoord(Vec2r(0.25, 0.5));
+			tvRep[k]->setColor((1 - t) * _vertices[i - 2]->color() + t * Vec3r(sv->attribute().getColorRGB()));
-		tvRep1->setColor(Vec3r((1 - t) * _vertices[i - 2]->color() +
+			tvRep[k]->setAlpha((1 - t) * _vertices[i - 2]->alpha() + t * sv->attribute().getAlpha());
-		                       t * Vec3r(sv->attribute().getColor()[0], sv->attribute().getColor()[1],
+			i++;
-		                                 sv->attribute().getColor()[2])));
+		}
-		tvRep1->setAlpha((1 - t) * _vertices[i - 2]->alpha() + t * sv->attribute().getAlpha());
+		for (int k = 0; k < 2; k++) {
-		i++;
+			currentSV = _vertices.insert(currentSV, tvRep[k]);
-
+			++currentSV;
-		tvRep2 = new StrokeVertexRep(Vec2r((1 - t) * _vertices[i - 2]->point2d() + t  *_vertices[i]->point2d()));
+		}
-		tvRep2->setTexCoord(Vec2r(0.25, 1));
-		tvRep2->setColor(Vec3r((1 - t) * _vertices[i - 2]->color() +
-		                       t * Vec3r(sv->attribute().getColor()[0], sv->attribute().getColor()[1],
-		                                 sv->attribute().getColor()[2])));
-		tvRep2->setAlpha((1 - t) * _vertices[i - 2]->alpha() + t * sv->attribute().getAlpha());
-		i++;
-
-		currentSV = _vertices.insert(currentSV, tvRep1);
-		++currentSV;
-		currentSV = _vertices.insert(currentSV, tvRep2);
-		++currentSV;
 
 		// copy the vertices with different texture coordinates
-		tvRep1 = new StrokeVertexRep(_vertices[i - 2]->point2d());
+		for (int k = 0; k < 2; k++) {
-		tvRep1->setTexCoord(Vec2r(0.25, 0));
+			tvRep[k] = new StrokeVertexRep(*(_vertices[i - 2]));
-		tvRep1->setColor(_vertices[i - 2]->color());
+			// v coord is 0.0 for tvRep[0], 0.5 for tvRep[1]
-		tvRep1->setAlpha(_vertices[i - 2]->alpha());
+			tvRep[k]->setTexCoord(Vec2r(0.0, 0.5 * k), true); // FIXED u coord
-		i++;
+			i++;
-
+		}
-		tvRep2 = new StrokeVertexRep(_vertices[i - 2]->point2d());
+		for (int k = 0; k < 2; k++) {
-		tvRep2->setTexCoord(Vec2r(0.25, 0.5));
+			currentSV = _vertices.insert(currentSV, tvRep[k]);
-		tvRep2->setColor(_vertices[i - 2]->color());
+			++currentSV;
-		tvRep2->setAlpha(_vertices[i - 2]->alpha());
+		}
-		i++;
-
-		currentSV = _vertices.insert(currentSV, tvRep1);
-		++currentSV;
-		currentSV = _vertices.insert(currentSV, tvRep2);
-		++currentSV;
 	}
 	uPrev = 0;
 
-	//body of the stroke
+	// body of the stroke
 	for (; v != vend; v++) {
 		sv = (*v);
 		svRep = *currentSV;
-		u = sv->curvilinearAbscissa() / _averageThickness * fact - 0.25;
+		u = sv->curvilinearAbscissa() / spacedThickness * fact - 0.25;
 		if (u > tiles)
 			break;
 
-		svRep->setTexCoord(Vec2r((real)u, 0));
+		svRep->setTexCoord(Vec2r((real)u, 0), true);
-		svRep->setColor(Vec3r(sv->attribute().getColor()[0], sv->attribute().getColor()[1],
-		                      sv->attribute().getColor()[2]));
-		svRep->setAlpha(sv->attribute().getAlpha());
 		i++;
 		++currentSV;
 
 		svRep = *currentSV;
-		svRep->setTexCoord(Vec2r((real)u, 0.5));
+		svRep->setTexCoord(Vec2r((real)u, 0.5), true);
-		svRep->setColor(Vec3r(sv->attribute().getColor()[0], sv->attribute().getColor()[1],
-		                      sv->attribute().getColor()[2]));
-		svRep->setAlpha(sv->attribute().getAlpha());
 		i++;
 		++currentSV;
 
 		uPrev = u;
 	}
 	if (tipEnd) {
-		//second transition vertex
+		// second transition vertex
-		if ((fabs(u - uPrev) > ZERO))
+		if (fabs(u - uPrev) > ZERO)
 			t = (float(tiles) - uPrev) / (u - uPrev);
 		else
 			t = 0;
+		for (int k = 0; k < 2; k++) {
+			tvRep[k] = new StrokeVertexRep((1 - t) * _vertices[i - 2]->point2d() + t * _vertices[i]->point2d());
+			tvRep[k]->setTexCoord((1 - t) * _vertices[i - 2]->texCoord() + t * _vertices[i]->texCoord());
+			// v coord is 0.0 for tvRep[0], 0.5 for tvRep[1]
+			tvRep[k]->setTexCoord(Vec2r((real)tiles, 0.5 * k), true); // FIXED u coord
+			tvRep[k]->setColor((1 - t) * _vertices[i - 2]->color() + t * Vec3r(sv->attribute().getColorRGB()));
+			tvRep[k]->setAlpha((1 - t) * _vertices[i - 2]->alpha() + t * sv->attribute().getAlpha());
+			i++;
+		}
+		for (int k = 0; k < 2; k++) {
+			currentSV = _vertices.insert(currentSV, tvRep[k]);
+			++currentSV;
+		}
 
-		tvRep1 = new StrokeVertexRep(Vec2r((1 - t) * _vertices[i - 2]->point2d() + t * _vertices[i]->point2d()));
+		// copy the vertices with different texture coordinates
-		tvRep1->setTexCoord(Vec2r((real)tiles, 0));
+		for (int k = 0; k < 2; k++) {
-		tvRep1->setColor(Vec3r((1 - t) * _vertices[i - 2]->color() +
+			tvRep[k] = new StrokeVertexRep(*(_vertices[i - 2]));
-		                       t * Vec3r(sv->attribute().getColor()[0], sv->attribute().getColor()[1],
+			// v coord is 0.5 for tvRep[0], 1.0 for tvRep[1]
-		                                 sv->attribute().getColor()[2])));
+			tvRep[k]->setTexCoord(Vec2r(0.75, 0.5 * (k + 1)), true);
-		tvRep1->setAlpha((1 - t) * _vertices[i - 2]->alpha() + t * sv->attribute().getAlpha());
+			i++;
-		i++;
+		}
+		for (int k = 0; k < 2; k++) {
+			currentSV = _vertices.insert(currentSV, tvRep[k]);
+			++currentSV;
+		}
 
-		tvRep2 = new StrokeVertexRep(Vec2r((1 - t) * _vertices[i - 2]->point2d() + t * _vertices[i]->point2d()));
+		// end tip
-		tvRep2->setTexCoord(Vec2r((real)tiles, 0.5));
-		tvRep2->setColor(Vec3r((1 - t) * _vertices[i - 2]->color() +
-		                       t * Vec3r(sv->attribute().getColor()[0], sv->attribute().getColor()[1],
-		                                 sv->attribute().getColor()[2])));
-		tvRep2->setAlpha((1 - t) * _vertices[i - 2]->alpha() + t * sv->attribute().getAlpha());
-		i++;
-
-		currentSV = _vertices.insert(currentSV, tvRep1);
-		++currentSV;
-		currentSV = _vertices.insert(currentSV, tvRep2);
-		++currentSV;
-
-		//copy the vertices with different texture coordinates
-		tvRep1 = new StrokeVertexRep(_vertices[i - 2]->point2d());
-		tvRep1->setTexCoord(Vec2r(0.75, 0.5));
-		tvRep1->setColor(_vertices[i - 2]->color());
-		tvRep1->setAlpha(_vertices[i - 2]->alpha());
-		i++;
-
-		tvRep2 = new StrokeVertexRep(_vertices[i - 2]->point2d());
-		tvRep2->setTexCoord(Vec2r(0.75, 1));
-		tvRep2->setColor(_vertices[i - 2]->color());
-		tvRep2->setAlpha(_vertices[i - 2]->alpha());
-		i++;
-
-		currentSV = _vertices.insert(currentSV, tvRep1);
-		++currentSV;
-		currentSV = _vertices.insert(currentSV, tvRep2);
-		++currentSV;
-
-		//end tip
 		for (; v != vend; v++) {
-			sv = (*v); 
+			sv = (*v);
 			svRep = *currentSV;
-			u = 0.75 + sv->curvilinearAbscissa() / _averageThickness * fact - float(tiles) - 0.25;
+			u = 0.75 + sv->curvilinearAbscissa() / spacedThickness * fact - float(tiles) - 0.25;
 
-			svRep->setTexCoord(Vec2r((real)u, 0.5));
+			svRep->setTexCoord(Vec2r((real)u, 0.5), true);
-			svRep->setColor(Vec3r(sv->attribute().getColor()[0], sv->attribute().getColor()[1],
-			                      sv->attribute().getColor()[2]));
-			svRep->setAlpha(sv->attribute().getAlpha());
 			i++;
 			++currentSV;
 
 			svRep = *currentSV;
-			svRep->setTexCoord(Vec2r((real)u, 1));
+			svRep->setTexCoord(Vec2r((real)u, 1), true);
-			svRep->setColor(Vec3r(sv->attribute().getColor()[0], sv->attribute().getColor()[1],
-			                      sv->attribute().getColor()[2]));
-			svRep->setAlpha(sv->attribute().getAlpha());
 			i++;
 			++currentSV;
 		}
@@ -729,6 +679,10 @@ StrokeRep::StrokeRep()
 {
 	_stroke = 0;
 	_strokeType = Stroke::OPAQUE_MEDIUM;
+	_textureStep = 1.0;
+	for (int a = 0; a < MAX_MTEX; a++) {
+		_mtex[a] = NULL;
+	}
 	TextureManager *ptm = TextureManager::getInstance();
 	if (ptm)
 		_textureId = ptm->getDefaultTextureId();
@@ -746,6 +700,15 @@ StrokeRep::StrokeRep(Stroke *iStroke)
 	_stroke = iStroke;
 	_strokeType = iStroke->getMediumType();
 	_textureId = iStroke->getTextureId();
+	_textureStep = iStroke->getTextureStep();
+	for (int a = 0; a < MAX_MTEX; a++) {
+		if (iStroke->getMTex(a)) {
+			_mtex[a] = iStroke->getMTex(a);
+		}
+		else {
+			_mtex[a] = NULL;
+		}
+	}
 	if (_textureId == 0) {
 		TextureManager *ptm = TextureManager::getInstance();
 		if (ptm)
@@ -768,6 +731,15 @@ StrokeRep::StrokeRep(const StrokeRep& iBrother)
 	_stroke = iBrother._stroke;
 	_strokeType = iBrother._strokeType;
 	_textureId = iBrother._textureId;
+	_textureStep = iBrother._textureStep;
+	for (int a = 0; a < MAX_MTEX; a++) {
+		if (iBrother._mtex[a]) {
+			_mtex[a] = iBrother._mtex[a];
+		}
+		else {
+			_mtex[a] = NULL;
+		}
+	}
 	for (vector<Strip*>::const_iterator s = iBrother._strips.begin(), send = iBrother._strips.end();
 	     s != send;
 	     ++s)
@@ -811,7 +783,7 @@ void StrokeRep::create()
 			end = true;
 		}
 		if ((!strip.empty()) && (strip.size() > 1)) {
-			_strips.push_back(new Strip(strip, _stroke->hasTips(), first, end));
+			_strips.push_back(new Strip(strip, _stroke->hasTips(), first, end, _stroke->getTextureStep()));
 			strip.clear();
 		}
 		first = false;

source/blender/freestyle/intern/stroke/StrokeRep.h

@@ -36,6 +36,10 @@
 #include "MEM_guardedalloc.h"
 #endif
 
+extern "C" {
+#include "DNA_material_types.h"
+}
+
 namespace Freestyle {
 
 using namespace Geometry;
@@ -78,9 +82,13 @@ public:
 		return _point2d;
 	}
 
-	inline Vec2r& texCoord()
+	inline Vec2r& texCoord(bool tips=false)
 	{
-		return _texCoord;
+		if (tips) {
+			return _texCoord_w_tips;
+		}
+		else
+			return _texCoord;
 	}
 
 	inline Vec3r& color()
@@ -98,9 +106,14 @@ public:
 		_point2d = p;
 	}
 
-	inline void setTexCoord(const Vec2r& p)
+	inline void setTexCoord(const Vec2r& p, bool tips=false)
 	{
-		_texCoord = p;
+		if (tips) {
+			_texCoord_w_tips = p;
+		}
+		else {
+			_texCoord = p;
+		}
 	}
 
 	inline void setColor(const Vec3r& p)
@@ -116,6 +129,7 @@ public:
 protected:
 	Vec2r _point2d;
 	Vec2r _texCoord;
+	Vec2r _texCoord_w_tips;
 	Vec3r _color;
 	float _alpha;
 
@@ -135,15 +149,15 @@ protected:
 
 public:
 	Strip(const std::vector<StrokeVertex*>& iStrokeVertices, bool hasTips = false,
-	      bool tipBegin = false, bool tipEnd = false);
+			bool tipBegin = false, bool tipEnd = false, float texStep = 1.0);
 	Strip(const Strip& iBrother);
 	virtual ~Strip();
 
 protected:
 	void createStrip(const std::vector<StrokeVertex*>& iStrokeVertices);
 	void cleanUpSingularities(const std::vector<StrokeVertex*>& iStrokeVertices);
-	void computeTexCoord (const std::vector<StrokeVertex*>& iStrokeVertices);
+	void computeTexCoord (const std::vector<StrokeVertex*>& iStrokeVertices, float texStep);
-	void computeTexCoordWithTips (const std::vector<StrokeVertex*>& iStrokeVertices, bool tipBegin, bool tipEnd);
+	void computeTexCoordWithTips (const std::vector<StrokeVertex*>& iStrokeVertices, bool tipBegin, bool tipEnd, float texStep);
 
 public:
 	inline int sizeStrip() const
@@ -168,6 +182,9 @@ protected:
 	vector<Strip*> _strips;
 	Stroke::MediumType _strokeType;
 	unsigned int _textureId;
+	float _textureStep;
+	MTex *_mtex[MAX_MTEX];
+	Material *_material;
 
 	// float _averageTextureAlpha;
 
@@ -194,6 +211,16 @@ public:
 		return _textureId;
 	}
 
+	inline MTex *getMTex(int idx) const
+	{
+		return _mtex[idx];
+	}
+
+	inline Material *getMaterial() const
+	{
+		return _material;
+	}
+
 	inline vector<Strip*>& getStrips()
 	{
 		return _strips;
@@ -220,6 +247,16 @@ public:
 		_textureId = textureId;
 	}
 
+	inline void setMaterial(Material *mat)
+	{
+		_material = mat;
+	}
+	/*
+	inline void setMTex(int idx, MTex *mtex_ptr)
+	{
+		_mtex[idx] = mtex_ptr;
+	}*/
+
 #ifdef WITH_CXX_GUARDEDALLOC
 	MEM_CXX_CLASS_ALLOC_FUNCS("Freestyle:StrokeRep")
 #endif

source/blender/makesdna/DNA_linestyle_types.h

@@ -35,8 +35,16 @@
 #include "DNA_listBase.h"
 #include "DNA_ID.h"
 
+#ifndef MAX_MTEX
+#define MAX_MTEX	18
+#endif
+
+/* texco (also in DNA_material_types.h) */
+#define TEXCO_STROKE	16 /* actually it's UV */
+
 struct ColorBand;
 struct CurveMapping;
+struct MTex;
 
 typedef struct LineStyleModifier {
 	struct LineStyleModifier *next, *prev;
@@ -354,7 +362,8 @@ typedef struct LineStyleThicknessModifier_Calligraphy {
 #define LS_PANEL_ALPHA        3
 #define LS_PANEL_THICKNESS    4
 #define LS_PANEL_GEOMETRY     5
-#define LS_PANEL_MISC         6
+#define LS_PANEL_TEXTURE      6
+#define LS_PANEL_MISC         7
 
 /* FreestyleLineStyle::flag */
 #define LS_DS_EXPAND          (1 <<  0)  /* for animation editors */
@@ -370,6 +379,7 @@ typedef struct LineStyleThicknessModifier_Calligraphy {
 #define LS_SPLIT_PATTERN      (1 << 10)
 #define LS_NO_SORTING         (1 << 11)
 #define LS_REVERSE_ORDER      (1 << 12)  /* for sorting */
+#define LS_TEXTURE            (1 << 13)
 
 /* FreestyleLineStyle::chaining */
 #define LS_CHAINING_PLAIN    1
@@ -415,10 +425,16 @@ typedef struct FreestyleLineStyle {
 	unsigned short split_dash2, split_gap2;
 	unsigned short split_dash3, split_gap3;
 	int sort_key, integration_type;
-	int pad;
+ 	float texstep;
+	short texact, pr_texture;
+	short use_nodes, pad;
 	unsigned short dash1, gap1, dash2, gap2, dash3, gap3;
 	int panel; /* for UI */
 
+	struct MTex *mtex[18];		/* MAX_MTEX */
+	/* nodes */
+	struct bNodeTree *nodetree;
+
 	ListBase color_modifiers;
 	ListBase alpha_modifiers;
 	ListBase thickness_modifiers;

source/blender/makesdna/DNA_space_types.h

@@ -209,6 +209,7 @@ typedef enum eSpaceButtons_Texture_Context {
 	SB_TEXC_LAMP = 2,
 	SB_TEXC_PARTICLES = 3,
 	SB_TEXC_OTHER = 4,
+	SB_TEXC_LINESTYLE = 5,
 } eSpaceButtons_Texture_Context;
 
 /* sbuts->align */
@@ -981,6 +982,7 @@ typedef enum eSpaceNode_TexFrom {
 	SNODE_TEX_OBJECT   = 0,
 	SNODE_TEX_WORLD    = 1,
 	SNODE_TEX_BRUSH    = 2,
+	SNODE_TEX_LINESTYLE = 3,
 } eSpaceNode_TexFrom;
 
 /* snode->shaderfrom */

source/blender/makesdna/DNA_texture_types.h

@@ -479,6 +479,7 @@ typedef struct ColorMapping {
 #define MTEX_BUMP_OBJECTSPACE	1024
 #define MTEX_BUMP_TEXTURESPACE	2048
 /* #define MTEX_BUMP_FLIPPED 	4096 */ /* UNUSED */
+#define MTEX_TIPS				4096  /* should use with_freestyle flag?  */
 #define MTEX_BICUBIC_BUMP		8192
 #define MTEX_MAPTO_BOUNDS		16384
 

source/blender/makesrna/RNA_access.h

@@ -331,6 +331,7 @@ extern StructRNA RNA_LineStyleGeometryModifier_SinusDisplacement;
 extern StructRNA RNA_LineStyleGeometryModifier_SpatialNoise;
 extern StructRNA RNA_LineStyleGeometryModifier_TipRemover;
 extern StructRNA RNA_LineStyleModifier;
+extern StructRNA RNA_LineStyleTextureSlot;
 extern StructRNA RNA_LineStyleThicknessModifier;
 extern StructRNA RNA_LineStyleThicknessModifier_AlongStroke;
 extern StructRNA RNA_LineStyleThicknessModifier_Calligraphy;

source/blender/makesrna/intern/rna_linestyle.c

@@ -84,6 +84,8 @@ EnumPropertyItem linestyle_geometry_modifier_type_items[] = {
 #ifdef RNA_RUNTIME
 
 #include "BKE_linestyle.h"
+#include "BKE_texture.h"
+#include "BKE_depsgraph.h"
 
 static StructRNA *rna_LineStyle_color_modifier_refine(struct PointerRNA *ptr)
 {
@@ -249,10 +251,148 @@ static void rna_LineStyleGeometryModifier_name_set(PointerRNA *ptr, const char *
 	               offsetof(LineStyleModifier, name), sizeof(m->name));
 }
 
+static void rna_LineStyle_mtex_begin(CollectionPropertyIterator *iter, PointerRNA *ptr)
+{
+	FreestyleLineStyle *linestyle = (FreestyleLineStyle *)ptr->id.data;
+	rna_iterator_array_begin(iter, (void *)linestyle->mtex, sizeof(MTex *), MAX_MTEX, 0, NULL);
+}
+
+static PointerRNA rna_LineStyle_active_texture_get(PointerRNA *ptr)
+{
+	FreestyleLineStyle *linestyle = (FreestyleLineStyle *)ptr->id.data;
+	Tex *tex;
+
+	tex = give_current_linestyle_texture(linestyle);
+	return rna_pointer_inherit_refine(ptr, &RNA_Texture, tex);
+}
+
+static void rna_LineStyle_active_texture_set(PointerRNA *ptr, PointerRNA value)
+{
+	FreestyleLineStyle *linestyle = (FreestyleLineStyle *)ptr->id.data;
+
+	set_current_linestyle_texture(linestyle, value.data);
+}
+
+static void rna_LineStyle_update(Main *UNUSED(bmain), Scene *UNUSED(scene), PointerRNA *ptr)
+{
+	FreestyleLineStyle *linestyle = ptr->id.data;
+
+	DAG_id_tag_update(&linestyle->id, 0);
+	WM_main_add_notifier(NC_LINESTYLE, linestyle);
+}
+
 #else
 
 #include "BLI_math.h"
 
+static void rna_def_linestyle_mtex(BlenderRNA *brna)
+{
+	StructRNA *srna;
+	PropertyRNA *prop;
+
+	static EnumPropertyItem texco_items[] = {
+		{TEXCO_WINDOW, "WINDOW", 0, "Window", "Use screen coordinates as texture coordinates"},
+		{TEXCO_GLOB, "GLOBAL", 0, "Global", "Use global coordinates for the texture coordinates"},
+		{TEXCO_STROKE, "ALONG_STROKE", 0, "Along stroke", "Use stroke lenght for texture coordinates"},
+		{TEXCO_ORCO, "ORCO", 0, "Generated", "Use the original undeformed coordinates of the object"},
+		{0, NULL, 0, NULL, NULL}
+	};
+
+	static EnumPropertyItem prop_mapping_items[] = {
+		{MTEX_FLAT, "FLAT", 0, "Flat", "Map X and Y coordinates directly"},
+		{MTEX_CUBE, "CUBE", 0, "Cube", "Map using the normal vector"},
+		{MTEX_TUBE, "TUBE", 0, "Tube", "Map with Z as central axis"},
+		{MTEX_SPHERE, "SPHERE", 0, "Sphere", "Map with Z as central axis"},
+		{0, NULL, 0, NULL, NULL}
+	};
+
+	static EnumPropertyItem prop_x_mapping_items[] = {
+		{0, "NONE", 0, "None", ""},
+		{1, "X", 0, "X", ""},
+		{2, "Y", 0, "Y", ""},
+		{3, "Z", 0, "Z", ""},
+		{0, NULL, 0, NULL, NULL}
+	};
+
+	static EnumPropertyItem prop_y_mapping_items[] = {
+		{0, "NONE", 0, "None", ""},
+		{1, "X", 0, "X", ""},
+		{2, "Y", 0, "Y", ""},
+		{3, "Z", 0, "Z", ""},
+		{0, NULL, 0, NULL, NULL}
+	};
+
+	static EnumPropertyItem prop_z_mapping_items[] = {
+		{0, "NONE", 0, "None", ""},
+		{1, "X", 0, "X", ""},
+		{2, "Y", 0, "Y", ""},
+		{3, "Z", 0, "Z", ""},
+		{0, NULL, 0, NULL, NULL}
+	};
+
+	srna = RNA_def_struct(brna, "LineStyleTextureSlot", "TextureSlot");
+	RNA_def_struct_sdna(srna, "MTex");
+	RNA_def_struct_ui_text(srna, "LineStyle Texture Slot", "Texture slot for textures in a LineStyle datablock");
+
+	prop = RNA_def_property(srna, "mapping_x", PROP_ENUM, PROP_NONE);
+	RNA_def_property_enum_sdna(prop, NULL, "projx");
+	RNA_def_property_enum_items(prop, prop_x_mapping_items);
+	RNA_def_property_ui_text(prop, "X Mapping", "");
+	RNA_def_property_update(prop, 0, "rna_LineStyle_update");
+
+	prop = RNA_def_property(srna, "mapping_y", PROP_ENUM, PROP_NONE);
+	RNA_def_property_enum_sdna(prop, NULL, "projy");
+	RNA_def_property_enum_items(prop, prop_y_mapping_items);
+	RNA_def_property_ui_text(prop, "Y Mapping", "");
+	RNA_def_property_update(prop, 0, "rna_LineStyle_update");
+
+	prop = RNA_def_property(srna, "mapping_z", PROP_ENUM, PROP_NONE);
+	RNA_def_property_enum_sdna(prop, NULL, "projz");
+	RNA_def_property_enum_items(prop, prop_z_mapping_items);
+	RNA_def_property_ui_text(prop, "Z Mapping", "");
+	RNA_def_property_update(prop, 0, "rna_LineStyle_update");
+
+	prop = RNA_def_property(srna, "mapping", PROP_ENUM, PROP_NONE);
+	RNA_def_property_enum_items(prop, prop_mapping_items);
+	RNA_def_property_ui_text(prop, "Mapping", "");
+	RNA_def_property_update(prop, 0, "rna_LineStyle_update");
+
+	/* map to */
+	prop = RNA_def_property(srna, "use_map_color_diffuse", PROP_BOOLEAN, PROP_NONE);
+	RNA_def_property_boolean_sdna(prop, NULL, "mapto", MAP_COL);
+	RNA_def_property_ui_text(prop, "Diffuse Color", "The texture affects basic color of the stroke");
+	RNA_def_property_update(prop, 0, "rna_LineStyle_update");
+
+	prop = RNA_def_property(srna, "use_map_alpha", PROP_BOOLEAN, PROP_NONE);
+	RNA_def_property_boolean_sdna(prop, NULL, "mapto", MAP_ALPHA);
+	RNA_def_property_ui_text(prop, "Alpha", "The texture affects the alpha value");
+	RNA_def_property_update(prop, 0, "rna_LineStyle_update");
+
+	prop = RNA_def_property(srna, "use_tips", PROP_BOOLEAN, PROP_NONE);
+	RNA_def_property_boolean_sdna(prop, NULL, "texflag", MTEX_TIPS);
+	RNA_def_property_ui_text(prop, "Use tips", "Lower half of the texture is for tips of the stroke");
+	RNA_def_property_update(prop, 0, "rna_LineStyle_update");
+
+	prop = RNA_def_property(srna, "texture_coords", PROP_ENUM, PROP_NONE);
+	RNA_def_property_enum_sdna(prop, NULL, "texco");
+	RNA_def_property_enum_items(prop, texco_items);
+	RNA_def_property_ui_text(prop, "Texture Coordinates",
+	                         "Texture coordinates used to map the texture onto the background");
+	RNA_def_property_update(prop, 0, "rna_LineStyle_update");
+
+	prop = RNA_def_property(srna, "alpha_factor", PROP_FLOAT, PROP_NONE);
+	RNA_def_property_float_sdna(prop, NULL, "alphafac");
+	RNA_def_property_ui_range(prop, -1, 1, 10, 3);
+	RNA_def_property_ui_text(prop, "Alpha Factor", "Amount texture affects alpha");
+	RNA_def_property_update(prop, 0, "rna_LineStyle_update");
+
+	prop = RNA_def_property(srna, "diffuse_color_factor", PROP_FLOAT, PROP_NONE);
+	RNA_def_property_float_sdna(prop, NULL, "colfac");
+	RNA_def_property_ui_range(prop, 0, 1, 10, 3);
+	RNA_def_property_ui_text(prop, "Diffuse Color Factor", "Amount texture affects diffuse color");
+	RNA_def_property_update(prop, 0, "rna_LineStyle_update");
+}
+
 static void rna_def_modifier_type_common(StructRNA *srna, EnumPropertyItem *modifier_type_items,
                                          const char *set_name_func, const bool blend, const bool color)
 {
@@ -892,6 +1032,7 @@ static void rna_def_linestyle(BlenderRNA *brna)
 		{LS_PANEL_ALPHA, "ALPHA", 0, "Alpha", "Show the panel for alpha transparency options"},
 		{LS_PANEL_THICKNESS, "THICKNESS", 0, "Thickness", "Show the panel for line thickness options"},
 		{LS_PANEL_GEOMETRY, "GEOMETRY", 0, "Geometry", "Show the panel for stroke geometry options"},
+		{LS_PANEL_TEXTURE, "TEXTURE", 0, "Texture", "Show the panel for stroke texture options"},
 #if 0 /* hidden for now */
 		{LS_PANEL_MISC, "MISC", 0, "Misc", "Show the panel for miscellaneous options"},
 #endif
@@ -938,6 +1079,9 @@ static void rna_def_linestyle(BlenderRNA *brna)
 	RNA_def_struct_ui_text(srna, "Freestyle Line Style", "Freestyle line style, reusable by multiple line sets");
 	RNA_def_struct_ui_icon(srna, ICON_LINE_DATA);
 
+	rna_def_mtex_common(brna, srna, "rna_LineStyle_mtex_begin", "rna_LineStyle_active_texture_get",
+	                    "rna_LineStyle_active_texture_set", NULL, "LineStyleTextureSlot", "LineStyleTextureSlots", "rna_LineStyle_update");
+
 	prop = RNA_def_property(srna, "panel", PROP_ENUM, PROP_NONE);
 	RNA_def_property_enum_bitflag_sdna(prop, NULL, "panel");
 	RNA_def_property_enum_items(prop, panel_items);
@@ -1192,12 +1336,36 @@ static void rna_def_linestyle(BlenderRNA *brna)
 	RNA_def_property_range(prop, 0, USHRT_MAX);
 	RNA_def_property_ui_text(prop, "Gap 3", "Length of the 3rd gap for dashed lines");
 	RNA_def_property_update(prop, NC_LINESTYLE, NULL);
+
+	prop = RNA_def_property(srna, "use_texture", PROP_BOOLEAN, PROP_NONE);
+	RNA_def_property_boolean_sdna(prop, NULL, "flag", LS_TEXTURE);
+	RNA_def_property_ui_text(prop, "Texture", "Enable or disable textured strokes");
+	RNA_def_property_update(prop, NC_LINESTYLE, NULL);
+
+	prop = RNA_def_property(srna, "texture_spacing", PROP_FLOAT, PROP_FACTOR);
+	RNA_def_property_float_sdna(prop, NULL, "texstep");
+	RNA_def_property_range(prop, 0.01f, 100.0f);
+	RNA_def_property_ui_text(prop, "Texture spacing", "Spacing for textures along stroke lenght");
+	RNA_def_property_update(prop, NC_LINESTYLE, NULL);
+
+	/* nodes */
+	prop = RNA_def_property(srna, "node_tree", PROP_POINTER, PROP_NONE);
+	RNA_def_property_pointer_sdna(prop, NULL, "nodetree");
+	RNA_def_property_ui_text(prop, "Node Tree", "Node tree for node based textures");
+
+	prop = RNA_def_property(srna, "use_nodes", PROP_BOOLEAN, PROP_NONE);
+	RNA_def_property_boolean_sdna(prop, NULL, "use_nodes", 1);
+	RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
+	RNA_def_property_flag(prop, PROP_CONTEXT_UPDATE);
+	RNA_def_property_ui_text(prop, "Use Nodes", "Use texture nodes for the line style");
+	RNA_def_property_update(prop, NC_LINESTYLE, NULL);
 }
 
 void RNA_def_linestyle(BlenderRNA *brna)
 {
 	rna_def_linestyle_modifiers(brna);
 	rna_def_linestyle(brna);
+	rna_def_linestyle_mtex(brna);
 }
 
 #endif

source/blender/makesrna/intern/rna_space.c

@@ -166,6 +166,7 @@ static EnumPropertyItem buttons_texture_context_items[] = {
 	{SB_TEXC_WORLD, "WORLD", ICON_WORLD, "", "Show world textures"},
 	{SB_TEXC_LAMP, "LAMP", ICON_LAMP, "", "Show lamp textures"},
 	{SB_TEXC_PARTICLES, "PARTICLES", ICON_PARTICLES, "", "Show particles textures"},
+	{SB_TEXC_LINESTYLE, "LINESTYLE", ICON_LINE_DATA, "", "Show linestyle textures"},
 	{SB_TEXC_OTHER, "OTHER", ICON_TEXTURE, "", "Show other data textures"},
 	{0, NULL, 0, NULL, NULL}
 };
@@ -983,6 +984,10 @@ static EnumPropertyItem *rna_SpaceProperties_texture_context_itemf(bContext *C,
 		RNA_enum_items_add_value(&item, &totitem, buttons_texture_context_items, SB_TEXC_PARTICLES);
 	}
 
+	if (ED_texture_context_check_linestyle(C)) {
+		RNA_enum_items_add_value(&item, &totitem, buttons_texture_context_items, SB_TEXC_LINESTYLE);
+	}
+
 	if (ED_texture_context_check_others(C)) {
 		RNA_enum_items_add_value(&item, &totitem, buttons_texture_context_items, SB_TEXC_OTHER);
 	}
@@ -3393,6 +3398,7 @@ static void rna_def_space_node(BlenderRNA *brna)
 		{SNODE_TEX_OBJECT, "OBJECT", ICON_OBJECT_DATA, "Object", "Edit texture nodes from Object"},
 		{SNODE_TEX_WORLD, "WORLD", ICON_WORLD_DATA, "World", "Edit texture nodes from World"},
 		{SNODE_TEX_BRUSH, "BRUSH", ICON_BRUSH_DATA, "Brush", "Edit texture nodes from Brush"},
+		{SNODE_TEX_LINESTYLE, "LINESTYLE", ICON_LINE_DATA, "Line Style", "Edit texture nodes from Line Style"},
 		{0, NULL, 0, NULL, NULL}
 	};
 

source/blender/nodes/texture/node_texture_tree.c

@@ -92,7 +92,7 @@ static void texture_get_from_context(const bContext *C, bNodeTreeType *UNUSED(tr
 			}
 		}
 	}
-	else {
+	else if (snode->texfrom == SNODE_TEX_BRUSH) {
 		struct Brush *brush = NULL;
 		
 		if (ob && (ob->mode & OB_MODE_SCULPT))
@@ -109,6 +109,17 @@ static void texture_get_from_context(const bContext *C, bNodeTreeType *UNUSED(tr
 			}
 		}
 	}
+	else if (snode->texfrom == SNODE_TEX_LINESTYLE) {
+		FreestyleLineStyle *linestyle = CTX_data_linestyle_from_scene(scene);
+		if (linestyle) {
+			*r_from = (ID *)linestyle;
+			tx = give_current_linestyle_texture(linestyle);
+			if (tx) {
+				*r_id = &tx->id;
+				*r_ntree = tx->nodetree;
+			}
+		}
+	}
 }
 
 static void foreach_nodeclass(Scene *UNUSED(scene), void *calldata, bNodeClassCallback func)