GPencil: Add operator to create new grease pencil object #108462
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@ -13,6 +13,7 @@ if(WITH_BLENDER)
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add_subdirectory(geometry)
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add_subdirectory(gizmo_library)
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add_subdirectory(gpencil_legacy)
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add_subdirectory(grease_pencil)
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add_subdirectory(interface)
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add_subdirectory(io)
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add_subdirectory(lattice)
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@ -0,0 +1,32 @@
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# SPDX-License-Identifier: GPL-2.0-or-later
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set(INC
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../include
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../../blenkernel
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../../blenlib
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../../blentranslation
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../../depsgraph
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../../gpu
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../../imbuf
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../../makesdna
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../../makesrna
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../../windowmanager
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../../../../intern/guardedalloc
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# RNA_prototypes.h
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${CMAKE_BINARY_DIR}/source/blender/makesrna
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)
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set(INC_SYS
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)
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set(SRC
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intern/grease_pencil_add.cc
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)
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set(LIB
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bf_blenkernel
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bf_blenlib
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)
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blender_add_lib(bf_editor_grease_pencil "${SRC}" "${INC}" "${INC_SYS}" "${LIB}")
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add_dependencies(bf_editor_curves bf_rna)
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@ -0,0 +1,285 @@
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/* SPDX-License-Identifier: GPL-2.0-or-later
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* Copyright 2023 Blender Foundation. */
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/** \file
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* \ingroup edgreasepencil
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*/
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#include <array>
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#include "BKE_curves.hh"
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#include "BKE_grease_pencil.hh"
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#include "BLI_math.h"
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#include "BLI_math_matrix.hh"
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#include "BLT_translation.h"
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#include "DNA_material_types.h"
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#include "DNA_scene_types.h"
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#include "ED_grease_pencil.h"
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namespace blender::ed::greasepencil {
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typedef struct ColorTemplate {
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const char *name;
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float line[4];
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float fill[4];
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bool show_fill;
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} ColorTemplate;
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static const ColorTemplate gp_stroke_material_black = {
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N_("Black"),
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{0.0f, 0.0f, 0.0f, 1.0f},
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{0.0f, 0.0f, 0.0f, 0.0f},
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false,
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};
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static const ColorTemplate gp_stroke_material_white = {
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N_("White"),
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{1.0f, 1.0f, 1.0f, 1.0f},
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{0.0f, 0.0f, 0.0f, 0.0f},
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false,
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};
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static const ColorTemplate gp_stroke_material_red = {
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N_("Red"),
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{1.0f, 0.0f, 0.0f, 1.0f},
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{0.0f, 0.0f, 0.0f, 0.0f},
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false,
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};
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static const ColorTemplate gp_stroke_material_green = {
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N_("Green"),
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{0.0f, 1.0f, 0.0f, 1.0f},
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{0.0f, 0.0f, 0.0f, 0.0f},
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false,
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};
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static const ColorTemplate gp_stroke_material_blue = {
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N_("Blue"),
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{0.0f, 0.0f, 1.0f, 1.0f},
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{0.0f, 0.0f, 0.0f, 0.0f},
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false,
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};
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static const ColorTemplate gp_fill_material_grey = {
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N_("Grey"),
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{0.358f, 0.358f, 0.358f, 1.0f},
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{0.5f, 0.5f, 0.5f, 1.0f},
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true,
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};
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#define POINT_SIZE 5
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static std::array<float, 175 *POINT_SIZE> stroke_data = {
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-1.281f, 0.0f, -0.315f, 0.038f, 1.0f, -1.269f, 0.0f, -0.302f, 0.069f, 1.0f,
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-1.261f, 0.0f, -0.293f, 0.089f, 1.0f, -1.251f, 0.0f, -0.282f, 0.112f, 1.0f,
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-1.241f, 0.0f, -0.271f, 0.134f, 1.0f, -1.23f, 0.0f, -0.259f, 0.155f, 1.0f,
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-1.219f, 0.0f, -0.247f, 0.175f, 1.0f, -1.208f, 0.0f, -0.234f, 0.194f, 1.0f,
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-1.196f, 0.0f, -0.221f, 0.211f, 1.0f, -1.184f, 0.0f, -0.208f, 0.227f, 1.0f,
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-1.172f, 0.0f, -0.194f, 0.242f, 1.0f, -1.159f, 0.0f, -0.18f, 0.256f, 1.0f,
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-1.147f, 0.0f, -0.165f, 0.268f, 1.0f, -1.134f, 0.0f, -0.151f, 0.28f, 1.0f,
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-1.121f, 0.0f, -0.136f, 0.29f, 1.0f, -1.108f, 0.0f, -0.121f, 0.299f, 1.0f,
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-1.094f, 0.0f, -0.106f, 0.307f, 1.0f, -1.08f, 0.0f, -0.091f, 0.315f, 1.0f,
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-1.066f, 0.0f, -0.076f, 0.322f, 1.0f, -1.052f, 0.0f, -0.061f, 0.329f, 1.0f,
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-1.037f, 0.0f, -0.047f, 0.335f, 1.0f, -1.022f, 0.0f, -0.032f, 0.341f, 1.0f,
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-1.007f, 0.0f, -0.017f, 0.346f, 1.0f, -0.991f, 0.0f, -0.003f, 0.351f, 1.0f,
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-0.975f, 0.0f, 0.012f, 0.355f, 1.0f, -0.959f, 0.0f, 0.027f, 0.36f, 1.0f,
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-0.942f, 0.0f, 0.041f, 0.364f, 1.0f, -0.926f, 0.0f, 0.056f, 0.368f, 1.0f,
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-0.909f, 0.0f, 0.071f, 0.371f, 1.0f, -0.893f, 0.0f, 0.086f, 0.373f, 1.0f,
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-0.876f, 0.0f, 0.1f, 0.376f, 1.0f, -0.859f, 0.0f, 0.115f, 0.377f, 1.0f,
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-0.842f, 0.0f, 0.129f, 0.378f, 1.0f, -0.824f, 0.0f, 0.144f, 0.379f, 1.0f,
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-0.807f, 0.0f, 0.158f, 0.379f, 1.0f, -0.79f, 0.0f, 0.172f, 0.379f, 1.0f,
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-0.773f, 0.0f, 0.186f, 0.38f, 1.0f, -0.755f, 0.0f, 0.199f, 0.38f, 1.0f,
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-0.738f, 0.0f, 0.212f, 0.381f, 1.0f, -0.721f, 0.0f, 0.224f, 0.382f, 1.0f,
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-0.703f, 0.0f, 0.236f, 0.384f, 1.0f, -0.686f, 0.0f, 0.248f, 0.386f, 1.0f,
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-0.67f, 0.0f, 0.26f, 0.388f, 1.0f, -0.653f, 0.0f, 0.27f, 0.39f, 1.0f,
|
||||
-0.637f, 0.0f, 0.28f, 0.393f, 1.0f, -0.621f, 0.0f, 0.29f, 0.396f, 1.0f,
|
||||
-0.605f, 0.0f, 0.298f, 0.399f, 1.0f, -0.589f, 0.0f, 0.306f, 0.403f, 1.0f,
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||||
-0.574f, 0.0f, 0.313f, 0.407f, 1.0f, -0.559f, 0.0f, 0.319f, 0.411f, 1.0f,
|
||||
-0.544f, 0.0f, 0.325f, 0.415f, 1.0f, -0.53f, 0.0f, 0.331f, 0.42f, 1.0f,
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-0.516f, 0.0f, 0.336f, 0.425f, 1.0f, -0.503f, 0.0f, 0.34f, 0.431f, 1.0f,
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-0.489f, 0.0f, 0.344f, 0.437f, 1.0f, -0.477f, 0.0f, 0.347f, 0.443f, 1.0f,
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-0.464f, 0.0f, 0.35f, 0.45f, 1.0f, -0.452f, 0.0f, 0.352f, 0.457f, 1.0f,
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-0.44f, 0.0f, 0.354f, 0.464f, 1.0f, -0.429f, 0.0f, 0.355f, 0.471f, 1.0f,
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-0.418f, 0.0f, 0.355f, 0.479f, 1.0f, -0.407f, 0.0f, 0.355f, 0.487f, 1.0f,
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-0.397f, 0.0f, 0.354f, 0.495f, 1.0f, -0.387f, 0.0f, 0.353f, 0.503f, 1.0f,
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-0.378f, 0.0f, 0.351f, 0.512f, 1.0f, -0.368f, 0.0f, 0.348f, 0.52f, 1.0f,
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-0.36f, 0.0f, 0.344f, 0.528f, 1.0f, -0.351f, 0.0f, 0.34f, 0.537f, 1.0f,
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-0.344f, 0.0f, 0.336f, 0.545f, 1.0f, -0.336f, 0.0f, 0.33f, 0.553f, 1.0f,
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-0.329f, 0.0f, 0.324f, 0.562f, 1.0f, -0.322f, 0.0f, 0.318f, 0.57f, 1.0f,
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-0.316f, 0.0f, 0.31f, 0.579f, 1.0f, -0.311f, 0.0f, 0.303f, 0.588f, 1.0f,
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-0.306f, 0.0f, 0.294f, 0.597f, 1.0f, -0.301f, 0.0f, 0.285f, 0.606f, 1.0f,
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-0.297f, 0.0f, 0.275f, 0.615f, 1.0f, -0.293f, 0.0f, 0.264f, 0.625f, 1.0f,
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-0.29f, 0.0f, 0.253f, 0.635f, 1.0f, -0.288f, 0.0f, 0.241f, 0.644f, 1.0f,
|
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-0.286f, 0.0f, 0.229f, 0.654f, 1.0f, -0.285f, 0.0f, 0.216f, 0.664f, 1.0f,
|
||||
-0.284f, 0.0f, 0.202f, 0.675f, 1.0f, -0.283f, 0.0f, 0.188f, 0.685f, 1.0f,
|
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-0.283f, 0.0f, 0.173f, 0.696f, 1.0f, -0.284f, 0.0f, 0.158f, 0.707f, 1.0f,
|
||||
-0.285f, 0.0f, 0.142f, 0.718f, 1.0f, -0.286f, 0.0f, 0.125f, 0.729f, 1.0f,
|
||||
-0.288f, 0.0f, 0.108f, 0.74f, 1.0f, -0.29f, 0.0f, 0.091f, 0.751f, 1.0f,
|
||||
-0.293f, 0.0f, 0.073f, 0.761f, 1.0f, -0.295f, 0.0f, 0.054f, 0.772f, 1.0f,
|
||||
-0.298f, 0.0f, 0.035f, 0.782f, 1.0f, -0.302f, 0.0f, 0.016f, 0.793f, 1.0f,
|
||||
-0.305f, 0.0f, -0.004f, 0.804f, 1.0f, -0.309f, 0.0f, -0.024f, 0.815f, 1.0f,
|
||||
-0.313f, 0.0f, -0.044f, 0.828f, 1.0f, -0.317f, 0.0f, -0.065f, 0.843f, 1.0f,
|
||||
-0.321f, 0.0f, -0.085f, 0.86f, 1.0f, -0.326f, 0.0f, -0.106f, 0.879f, 1.0f,
|
||||
-0.33f, 0.0f, -0.127f, 0.897f, 1.0f, -0.335f, 0.0f, -0.148f, 0.915f, 1.0f,
|
||||
-0.339f, 0.0f, -0.168f, 0.932f, 1.0f, -0.344f, 0.0f, -0.189f, 0.947f, 1.0f,
|
||||
-0.348f, 0.0f, -0.21f, 0.962f, 1.0f, -0.353f, 0.0f, -0.23f, 0.974f, 1.0f,
|
||||
-0.357f, 0.0f, -0.25f, 0.985f, 1.0f, -0.361f, 0.0f, -0.27f, 0.995f, 1.0f,
|
||||
-0.365f, 0.0f, -0.29f, 1.004f, 1.0f, -0.369f, 0.0f, -0.309f, 1.011f, 1.0f,
|
||||
-0.372f, 0.0f, -0.328f, 1.018f, 1.0f, -0.375f, 0.0f, -0.347f, 1.024f, 1.0f,
|
||||
-0.377f, 0.0f, -0.365f, 1.029f, 1.0f, -0.379f, 0.0f, -0.383f, 1.033f, 1.0f,
|
||||
-0.38f, 0.0f, -0.4f, 1.036f, 1.0f, -0.38f, 0.0f, -0.417f, 1.037f, 1.0f,
|
||||
-0.38f, 0.0f, -0.434f, 1.037f, 1.0f, -0.379f, 0.0f, -0.449f, 1.035f, 1.0f,
|
||||
-0.377f, 0.0f, -0.464f, 1.032f, 1.0f, -0.374f, 0.0f, -0.478f, 1.029f, 1.0f,
|
||||
-0.371f, 0.0f, -0.491f, 1.026f, 1.0f, -0.366f, 0.0f, -0.503f, 1.023f, 1.0f,
|
||||
-0.361f, 0.0f, -0.513f, 1.021f, 1.0f, -0.354f, 0.0f, -0.523f, 1.019f, 1.0f,
|
||||
-0.347f, 0.0f, -0.531f, 1.017f, 1.0f, -0.339f, 0.0f, -0.538f, 1.016f, 1.0f,
|
||||
-0.33f, 0.0f, -0.543f, 1.016f, 1.0f, -0.32f, 0.0f, -0.547f, 1.016f, 1.0f,
|
||||
-0.31f, 0.0f, -0.549f, 1.016f, 1.0f, -0.298f, 0.0f, -0.55f, 1.017f, 1.0f,
|
||||
-0.286f, 0.0f, -0.55f, 1.017f, 1.0f, -0.274f, 0.0f, -0.548f, 1.018f, 1.0f,
|
||||
-0.261f, 0.0f, -0.544f, 1.017f, 1.0f, -0.247f, 0.0f, -0.539f, 1.017f, 1.0f,
|
||||
-0.232f, 0.0f, -0.533f, 1.016f, 1.0f, -0.218f, 0.0f, -0.525f, 1.015f, 1.0f,
|
||||
-0.202f, 0.0f, -0.515f, 1.013f, 1.0f, -0.186f, 0.0f, -0.503f, 1.009f, 1.0f,
|
||||
-0.169f, 0.0f, -0.49f, 1.005f, 1.0f, -0.151f, 0.0f, -0.475f, 0.998f, 1.0f,
|
||||
-0.132f, 0.0f, -0.458f, 0.99f, 1.0f, -0.112f, 0.0f, -0.44f, 0.98f, 1.0f,
|
||||
-0.091f, 0.0f, -0.42f, 0.968f, 1.0f, -0.069f, 0.0f, -0.398f, 0.955f, 1.0f,
|
||||
-0.045f, 0.0f, -0.375f, 0.939f, 1.0f, -0.021f, 0.0f, -0.35f, 0.923f, 1.0f,
|
||||
0.005f, 0.0f, -0.324f, 0.908f, 1.0f, 0.031f, 0.0f, -0.297f, 0.895f, 1.0f,
|
||||
0.06f, 0.0f, -0.268f, 0.882f, 1.0f, 0.089f, 0.0f, -0.238f, 0.87f, 1.0f,
|
||||
0.12f, 0.0f, -0.207f, 0.858f, 1.0f, 0.153f, 0.0f, -0.175f, 0.844f, 1.0f,
|
||||
0.187f, 0.0f, -0.14f, 0.828f, 1.0f, 0.224f, 0.0f, -0.104f, 0.81f, 1.0f,
|
||||
0.262f, 0.0f, -0.067f, 0.79f, 1.0f, 0.302f, 0.0f, -0.027f, 0.769f, 1.0f,
|
||||
0.344f, 0.0f, 0.014f, 0.747f, 1.0f, 0.388f, 0.0f, 0.056f, 0.724f, 1.0f,
|
||||
0.434f, 0.0f, 0.1f, 0.7f, 1.0f, 0.483f, 0.0f, 0.145f, 0.676f, 1.0f,
|
||||
0.533f, 0.0f, 0.191f, 0.651f, 1.0f, 0.585f, 0.0f, 0.238f, 0.625f, 1.0f,
|
||||
0.637f, 0.0f, 0.284f, 0.599f, 1.0f, 0.69f, 0.0f, 0.33f, 0.573f, 1.0f,
|
||||
0.746f, 0.0f, 0.376f, 0.546f, 1.0f, 0.802f, 0.0f, 0.421f, 0.516f, 1.0f,
|
||||
0.859f, 0.0f, 0.464f, 0.483f, 1.0f, 0.915f, 0.0f, 0.506f, 0.446f, 1.0f,
|
||||
0.97f, 0.0f, 0.545f, 0.407f, 1.0f, 1.023f, 0.0f, 0.581f, 0.365f, 1.0f,
|
||||
1.075f, 0.0f, 0.614f, 0.322f, 1.0f, 1.122f, 0.0f, 0.643f, 0.28f, 1.0f,
|
||||
1.169f, 0.0f, 0.671f, 0.236f, 1.0f, 1.207f, 0.0f, 0.693f, 0.202f, 1.0f,
|
||||
1.264f, 0.0f, 0.725f, 0.155f, 1.0f,
|
||||
};
|
||||
|
||||
static int add_material_from_template(Main &bmain, Object &ob, const ColorTemplate &pct)
|
||||
{
|
||||
int index;
|
||||
Material *ma = BKE_grease_pencil_object_material_ensure_by_name(
|
||||
&bmain, &ob, DATA_(pct.name), &index);
|
||||
|
||||
copy_v4_v4(ma->gp_style->stroke_rgba, pct.line);
|
||||
srgb_to_linearrgb_v4(ma->gp_style->stroke_rgba, ma->gp_style->stroke_rgba);
|
||||
|
||||
copy_v4_v4(ma->gp_style->fill_rgba, pct.fill);
|
||||
srgb_to_linearrgb_v4(ma->gp_style->fill_rgba, ma->gp_style->fill_rgba);
|
||||
|
||||
if (pct.show_fill) {
|
||||
ma->gp_style->flag |= GP_MATERIAL_FILL_SHOW;
|
||||
}
|
||||
|
||||
return index;
|
||||
}
|
||||
|
||||
static bke::CurvesGeometry create_drawing_data(const Span<float> point_data,
|
||||
const Span<int> offsets,
|
||||
const Span<int> materials,
|
||||
const Span<int> radii_factor,
|
||||
float4x4 matrix)
|
||||
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filedescriptor marked this conversation as resolved
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{
|
||||
using namespace blender::bke;
|
||||
CurvesGeometry curves(offsets.last(), offsets.size() - 1);
|
||||
curves.offsets_for_write().copy_from(offsets);
|
||||
|
||||
curves.fill_curve_types(CURVE_TYPE_POLY);
|
||||
|
||||
MutableAttributeAccessor attributes = curves.attributes_for_write();
|
||||
MutableSpan<float3> positions = curves.positions_for_write();
|
||||
SpanAttributeWriter<float> radii = attributes.lookup_or_add_for_write_only_span<float>(
|
||||
"radius", ATTR_DOMAIN_POINT);
|
||||
SpanAttributeWriter<float> opacities = attributes.lookup_or_add_for_write_span<float>(
|
||||
"opacity", ATTR_DOMAIN_POINT);
|
||||
|
||||
SpanAttributeWriter<bool> stroke_cyclic = attributes.lookup_or_add_for_write_span<bool>(
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"cyclic", ATTR_DOMAIN_CURVE);
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stroke_cyclic.span.fill(false);
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SpanAttributeWriter<int> stroke_materials = attributes.lookup_or_add_for_write_span<int>(
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"material_index", ATTR_DOMAIN_CURVE);
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stroke_materials.span.copy_from(materials);
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const OffsetIndices points_by_curve = curves.points_by_curve();
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for (const int curve_i : curves.curves_range()) {
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const IndexRange points = points_by_curve[curve_i];
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for (const int point_i : points) {
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positions[point_i] = math::transform_point(matrix,
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float3(&point_data[point_i * POINT_SIZE]));
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radii.span[point_i] = point_data[(point_i * POINT_SIZE) + 3] * radii_factor[curve_i];
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opacities.span[point_i] = point_data[(point_i * POINT_SIZE) + 4];
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}
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}
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radii.finish();
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opacities.finish();
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stroke_cyclic.finish();
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stroke_materials.finish();
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return curves;
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}
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void create_blank(Main &bmain, Object &object, int frame_numer)
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{
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using namespace blender::bke::greasepencil;
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GreasePencil &grease_pencil = *static_cast<GreasePencil *>(object.data);
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int material_index = add_material_from_template(bmain, object, gp_stroke_material_black);
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object.actcol = material_index + 1;
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Layer &new_layer = grease_pencil.add_layer(grease_pencil.root_group.wrap(), "GP_Layer");
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grease_pencil.active_layer = &new_layer;
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grease_pencil.add_empty_drawings(1);
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GreasePencilFrame frame{.drawing_index = 0, .flag = 0, .type = BEZT_KEYTYPE_KEYFRAME};
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|
filedescriptor marked this conversation as resolved
Hans Goudey
commented
Designated initializers can't be used in C++ Designated initializers can't be used in C++
Falk David
commented
Hm this compiles for me. What should I be using instead? Hm this compiles for me. What should I be using instead?
Hans Goudey
commented
It won't on windows. It won't on windows.
```
GreasePencilFrame frame{};
frame.drawing_index = 0;
...
```
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new_layer.insert_frame(frame_numer, std::move(frame));
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}
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||||
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void create_stroke(Main &bmain, Object &object, float4x4 matrix, int frame_numer)
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|
filedescriptor marked this conversation as resolved
Hans Goudey
commented
`int frame_numer` -> `const int frame_numer`
|
||||
{
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||||
using namespace blender::bke::greasepencil;
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GreasePencil &grease_pencil = *static_cast<GreasePencil *>(object.data);
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||||
|
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int material_index = add_material_from_template(bmain, object, gp_stroke_material_black);
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add_material_from_template(bmain, object, gp_stroke_material_black);
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add_material_from_template(bmain, object, gp_stroke_material_white);
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add_material_from_template(bmain, object, gp_stroke_material_red);
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add_material_from_template(bmain, object, gp_stroke_material_green);
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add_material_from_template(bmain, object, gp_stroke_material_blue);
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add_material_from_template(bmain, object, gp_fill_material_grey);
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object.actcol = material_index + 1;
|
||||
|
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Layer &layer_lines = grease_pencil.add_layer(grease_pencil.root_group.wrap(), "Lines");
|
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Layer &layer_color = grease_pencil.add_layer(grease_pencil.root_group.wrap(), "Color");
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||||
grease_pencil.active_layer = &layer_lines;
|
||||
|
||||
grease_pencil.add_empty_drawings(2);
|
||||
|
||||
GreasePencilDrawing &drawing = *reinterpret_cast<GreasePencilDrawing *>(
|
||||
grease_pencil.drawings_for_write()[1]);
|
||||
std::array stroke_offsets{0, 175};
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||||
std::array materials{material_index};
|
||||
std::array radii_factor{75};
|
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drawing.geometry.wrap() = create_drawing_data(
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stroke_data, stroke_offsets, materials, radii_factor, matrix);
|
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drawing.tag_positions_changed();
|
||||
|
||||
GreasePencilFrame frame_lines{.drawing_index = 0, .flag = 0, .type = BEZT_KEYTYPE_KEYFRAME};
|
||||
GreasePencilFrame frame_color{.drawing_index = 1, .flag = 0, .type = BEZT_KEYTYPE_KEYFRAME};
|
||||
layer_lines.insert_frame(frame_numer, std::move(frame_lines));
|
||||
layer_color.insert_frame(frame_numer, std::move(frame_color));
|
||||
}
|
||||
|
||||
} // namespace blender::ed::greasepencil
|
||||
|
|
@ -0,0 +1,29 @@
|
|||
/* SPDX-License-Identifier: GPL-2.0-or-later
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||||
* Copyright 2023 Blender Foundation. */
|
||||
|
||||
/** \file
|
||||
* \ingroup editors
|
||||
*/
|
||||
|
||||
#pragma once
|
||||
|
||||
struct Main;
|
||||
struct Object;
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#ifdef __cplusplus
|
||||
|
||||
namespace blender::ed::greasepencil {
|
||||
|
||||
void create_blank(Main &bmain, Object &object, int frame_numer);
|
||||
void create_stroke(Main &bmain, Object &object, float4x4 matrix, int frame_numer);
|
||||
|
||||
} // namespace blender::ed::greasepencil
|
||||
#endif
|
||||
Loading…
Reference in New Issue
Pass
float4x4by const reference