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blender-archive/source/blender/editors/space_image/image_draw.c

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/*
* $Id$
*
* ***** 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.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* Contributor(s): Blender Foundation, 2002-2009
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file blender/editors/space_image/image_draw.c
* \ingroup spimage
*/
#include <math.h>
#include <stdlib.h>
#include <string.h>
#include "MEM_guardedalloc.h"
#include "DNA_camera_types.h"
#include "DNA_object_types.h"
#include "DNA_space_types.h"
#include "DNA_scene_types.h"
#include "DNA_screen_types.h"
#include "DNA_brush_types.h"
#include "PIL_time.h"
#include "BLI_threads.h"
#include "BLI_string.h"
#include "BLI_utildefines.h"
#include "IMB_imbuf.h"
#include "IMB_imbuf_types.h"
#include "BKE_context.h"
#include "BKE_global.h"
#include "BKE_image.h"
#include "BKE_paint.h"
#ifdef WITH_LCMS
#include "BKE_colortools.h"
#endif
#include "BIF_gl.h"
#include "BIF_glutil.h"
#include "BLF_api.h"
#include "ED_gpencil.h"
#include "ED_image.h"
#include "UI_interface.h"
#include "UI_resources.h"
#include "UI_view2d.h"
#include "RE_pipeline.h"
#include "image_intern.h"
#define HEADER_HEIGHT 18
static void image_verify_buffer_float(Image *ima, ImBuf *ibuf, int color_manage)
{
/* detect if we need to redo the curve map.
ibuf->rect is zero for compositor and render results after change
convert to 32 bits always... drawing float rects isnt supported well (atis)
NOTE: if float buffer changes, we have to manually remove the rect
*/
if(ibuf->rect_float && (ibuf->rect==NULL || (ibuf->userflags & IB_RECT_INVALID)) ) {
if(color_manage) {
if(ima && ima->source == IMA_SRC_VIEWER)
ibuf->profile = IB_PROFILE_LINEAR_RGB;
}
else
ibuf->profile = IB_PROFILE_NONE;
IMB_rect_from_float(ibuf);
}
}
static void draw_render_info(Scene *scene, Image *ima, ARegion *ar)
{
RenderResult *rr;
rcti rect;
float colf[3];
rr= BKE_image_acquire_renderresult(scene, ima);
if(rr && rr->text) {
rect= ar->winrct;
rect.xmin= 0;
rect.ymin= ar->winrct.ymax - ar->winrct.ymin - HEADER_HEIGHT;
rect.xmax= ar->winrct.xmax - ar->winrct.xmin;
rect.ymax= ar->winrct.ymax - ar->winrct.ymin;
/* clear header rect */
UI_GetThemeColor3fv(TH_BACK, colf);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA);
glColor4f(colf[0]+0.1f, colf[1]+0.1f, colf[2]+0.1f, 0.5f);
glRecti(rect.xmin, rect.ymin, rect.xmax, rect.ymax+1);
glDisable(GL_BLEND);
UI_ThemeColor(TH_TEXT_HI);
UI_DrawString(12, rect.ymin + 5, rr->text);
}
BKE_image_release_renderresult(scene, ima);
}
void draw_image_info(ARegion *ar, int channels, int x, int y, char *cp, float *fp, int *zp, float *zpf)
{
char str[256];
int ofs= 0;
ofs += BLI_snprintf(str + ofs, sizeof(str)-ofs, "X: %4d Y: %4d ", x, y);
if(cp)
ofs+= BLI_snprintf(str + ofs, sizeof(str)-ofs, "| R: %3d G: %3d B: %3d A: %3d ", cp[0], cp[1], cp[2], cp[3]);
if(fp) {
if(channels==4)
ofs+= BLI_snprintf(str + ofs, sizeof(str)-ofs, "| R: %.4f G: %.4f B: %.4f A: %.4f ", fp[0], fp[1], fp[2], fp[3]);
else if(channels==1)
ofs+= BLI_snprintf(str + ofs, sizeof(str)-ofs, "| Val: %.4f ", fp[0]);
else if(channels==3)
ofs+= BLI_snprintf(str + ofs, sizeof(str)-ofs, "| R: %.4f G: %.4f B: %.4f ", fp[0], fp[1], fp[2]);
}
if(zp)
ofs+= BLI_snprintf(str + ofs, sizeof(str)-ofs, "| Z: %.4f ", 0.5f+0.5f*(((float)*zp)/(float)0x7fffffff));
if(zpf)
ofs+= BLI_snprintf(str + ofs, sizeof(str)-ofs, "| Z: %.3f ", *zpf);
(void)ofs;
glBlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_BLEND);
glColor4f(.0,.0,.0,.25);
glRecti(0.0, 0.0, ar->winrct.xmax - ar->winrct.xmin + 1, 20);
glDisable(GL_BLEND);
glColor3ub(255, 255, 255);
// UI_DrawString(6, 6, str); // works ok but fixed width is nicer.
BLF_size(blf_mono_font, 11, 72);
BLF_position(blf_mono_font, 6, 6, 0);
BLF_draw_ascii(blf_mono_font, str, sizeof(str));
}
/* image drawing */
static void draw_image_grid(ARegion *ar, float zoomx, float zoomy)
{
float gridsize, gridstep= 1.0f/32.0f;
float fac, blendfac;
int x1, y1, x2, y2;
/* the image is located inside (0,0),(1, 1) as set by view2d */
UI_ThemeColorShade(TH_BACK, 20);
UI_view2d_to_region_no_clip(&ar->v2d, 0.0f, 0.0f, &x1, &y1);
UI_view2d_to_region_no_clip(&ar->v2d, 1.0f, 1.0f, &x2, &y2);
glRectf(x1, y1, x2, y2);
/* gridsize adapted to zoom level */
gridsize= 0.5f*(zoomx+zoomy);
if(gridsize<=0.0f) return;
if(gridsize<1.0f) {
while(gridsize<1.0f) {
gridsize*= 4.0f;
gridstep*= 4.0f;
}
}
else {
while(gridsize>=4.0f) {
gridsize/= 4.0f;
gridstep/= 4.0f;
}
}
/* the fine resolution level */
blendfac= 0.25f*gridsize - floorf(0.25f*gridsize);
CLAMP(blendfac, 0.0f, 1.0f);
UI_ThemeColorShade(TH_BACK, (int)(20.0f*(1.0f-blendfac)));
fac= 0.0f;
glBegin(GL_LINES);
while(fac<1.0f) {
glVertex2f(x1, y1*(1.0f-fac) + y2*fac);
glVertex2f(x2, y1*(1.0f-fac) + y2*fac);
glVertex2f(x1*(1.0f-fac) + x2*fac, y1);
glVertex2f(x1*(1.0f-fac) + x2*fac, y2);
fac+= gridstep;
}
/* the large resolution level */
UI_ThemeColor(TH_BACK);
fac= 0.0f;
while(fac<1.0f) {
glVertex2f(x1, y1*(1.0f-fac) + y2*fac);
glVertex2f(x2, y1*(1.0f-fac) + y2*fac);
glVertex2f(x1*(1.0f-fac) + x2*fac, y1);
glVertex2f(x1*(1.0f-fac) + x2*fac, y2);
fac+= 4.0f*gridstep;
}
glEnd();
}
static void sima_draw_alpha_backdrop(float x1, float y1, float xsize, float ysize, float zoomx, float zoomy, unsigned char col1[3], unsigned char col2[3])
{
GLubyte checker_stipple[32*32/8] =
{
255,255,0,0,255,255,0,0,255,255,0,0,255,255,0,0, \
255,255,0,0,255,255,0,0,255,255,0,0,255,255,0,0, \
255,255,0,0,255,255,0,0,255,255,0,0,255,255,0,0, \
255,255,0,0,255,255,0,0,255,255,0,0,255,255,0,0, \
0,0,255,255,0,0,255,255,0,0,255,255,0,0,255,255, \
0,0,255,255,0,0,255,255,0,0,255,255,0,0,255,255, \
0,0,255,255,0,0,255,255,0,0,255,255,0,0,255,255, \
0,0,255,255,0,0,255,255,0,0,255,255,0,0,255,255, \
};
glColor3ubv(col1);
glRectf(x1, y1, x1 + zoomx*xsize, y1 + zoomy*ysize);
glColor3ubv(col2);
glEnable(GL_POLYGON_STIPPLE);
glPolygonStipple(checker_stipple);
glRectf(x1, y1, x1 + zoomx*xsize, y1 + zoomy*ysize);
glDisable(GL_POLYGON_STIPPLE);
}
static void sima_draw_alpha_pixels(float x1, float y1, int rectx, int recty, unsigned int *recti)
{
/* swap bytes, so alpha is most significant one, then just draw it as luminance int */
if(ENDIAN_ORDER == B_ENDIAN)
glPixelStorei(GL_UNPACK_SWAP_BYTES, 1);
glaDrawPixelsSafe(x1, y1, rectx, recty, rectx, GL_LUMINANCE, GL_UNSIGNED_INT, recti);
glPixelStorei(GL_UNPACK_SWAP_BYTES, 0);
}
static void sima_draw_alpha_pixelsf(float x1, float y1, int rectx, int recty, float *rectf)
{
float *trectf= MEM_mallocN(rectx*recty*4, "temp");
int a, b;
for(a= rectx*recty -1, b= 4*a+3; a>=0; a--, b-=4)
trectf[a]= rectf[b];
glaDrawPixelsSafe(x1, y1, rectx, recty, rectx, GL_LUMINANCE, GL_FLOAT, trectf);
MEM_freeN(trectf);
/* ogl trick below is slower... (on ATI 9600) */
// glColorMask(1, 0, 0, 0);
// glaDrawPixelsSafe(x1, y1, rectx, recty, rectx, GL_RGBA, GL_FLOAT, rectf+3);
// glColorMask(0, 1, 0, 0);
// glaDrawPixelsSafe(x1, y1, rectx, recty, rectx, GL_RGBA, GL_FLOAT, rectf+2);
// glColorMask(0, 0, 1, 0);
// glaDrawPixelsSafe(x1, y1, rectx, recty, rectx, GL_RGBA, GL_FLOAT, rectf+1);
// glColorMask(1, 1, 1, 1);
}
#ifdef WITH_LCMS
static int sima_draw_colorcorrected_pixels(float x1, float y1, ImBuf *ibuf)
{
colorcorrection_do_ibuf(ibuf, "MONOSCNR.ICM"); /* path is hardcoded here, find some place better */
if(ibuf->crect) {
glaDrawPixelsSafe(x1, y1, ibuf->x, ibuf->y, ibuf->x, GL_RGBA, GL_UNSIGNED_BYTE, ibuf->crect);
return 1;
}
return 0;
}
#endif
static void sima_draw_zbuf_pixels(float x1, float y1, int rectx, int recty, int *recti)
{
/* zbuffer values are signed, so we need to shift color range */
glPixelTransferf(GL_RED_SCALE, 0.5f);
glPixelTransferf(GL_GREEN_SCALE, 0.5f);
glPixelTransferf(GL_BLUE_SCALE, 0.5f);
glPixelTransferf(GL_RED_BIAS, 0.5f);
glPixelTransferf(GL_GREEN_BIAS, 0.5f);
glPixelTransferf(GL_BLUE_BIAS, 0.5f);
glaDrawPixelsSafe(x1, y1, rectx, recty, rectx, GL_LUMINANCE, GL_INT, recti);
glPixelTransferf(GL_RED_SCALE, 1.0f);
glPixelTransferf(GL_GREEN_SCALE, 1.0f);
glPixelTransferf(GL_BLUE_SCALE, 1.0f);
glPixelTransferf(GL_RED_BIAS, 0.0f);
glPixelTransferf(GL_GREEN_BIAS, 0.0f);
glPixelTransferf(GL_BLUE_BIAS, 0.0f);
}
static void sima_draw_zbuffloat_pixels(Scene *scene, float x1, float y1, int rectx, int recty, float *rect_float)
{
float bias, scale, *rectf, clipend;
int a;
if(scene->camera && scene->camera->type==OB_CAMERA) {
bias= ((Camera *)scene->camera->data)->clipsta;
clipend= ((Camera *)scene->camera->data)->clipend;
scale= 1.0f/(clipend-bias);
}
else {
bias= 0.1f;
scale= 0.01f;
clipend= 100.0f;
}
rectf= MEM_mallocN(rectx*recty*4, "temp");
for(a= rectx*recty -1; a>=0; a--) {
if(rect_float[a]>clipend)
rectf[a]= 0.0f;
else if(rect_float[a]<bias)
rectf[a]= 1.0f;
else {
rectf[a]= 1.0f - (rect_float[a]-bias)*scale;
rectf[a]*= rectf[a];
}
}
glaDrawPixelsSafe(x1, y1, rectx, recty, rectx, GL_LUMINANCE, GL_FLOAT, rectf);
MEM_freeN(rectf);
}
static void draw_image_buffer(SpaceImage *sima, ARegion *ar, Scene *scene, Image *ima, ImBuf *ibuf, float fx, float fy, float zoomx, float zoomy)
{
int x, y;
int color_manage = scene->r.color_mgt_flag & R_COLOR_MANAGEMENT;
/* set zoom */
glPixelZoom(zoomx, zoomy);
/* find window pixel coordinates of origin */
UI_view2d_to_region_no_clip(&ar->v2d, fx, fy, &x, &y);
/* this part is generic image display */
if(sima->flag & SI_SHOW_ALPHA) {
if(ibuf->rect)
sima_draw_alpha_pixels(x, y, ibuf->x, ibuf->y, ibuf->rect);
else if(ibuf->rect_float && ibuf->channels==4)
sima_draw_alpha_pixelsf(x, y, ibuf->x, ibuf->y, ibuf->rect_float);
}
else if(sima->flag & SI_SHOW_ZBUF && (ibuf->zbuf || ibuf->zbuf_float || (ibuf->channels==1))) {
if(ibuf->zbuf)
sima_draw_zbuf_pixels(x, y, ibuf->x, ibuf->y, ibuf->zbuf);
else if(ibuf->zbuf_float)
sima_draw_zbuffloat_pixels(scene, x, y, ibuf->x, ibuf->y, ibuf->zbuf_float);
else if(ibuf->channels==1)
sima_draw_zbuffloat_pixels(scene, x, y, ibuf->x, ibuf->y, ibuf->rect_float);
}
#ifdef WITH_LCMS
else if(sima->flag & SI_COLOR_CORRECTION) {
image_verify_buffer_float(ima, ibuf, color_manage);
if(sima_draw_colorcorrected_pixels(x, y, ibuf)==0) {
unsigned char col1[3]= {100, 0, 100}, col2[3]= {160, 0, 160}; /* pink says 'warning' in blender land */
sima_draw_alpha_backdrop(x, y, ibuf->x, ibuf->y, zoomx, zoomy, col1, col2);
}
}
#endif
else {
if(sima->flag & SI_USE_ALPHA) {
unsigned char col1[3]= {100, 100, 100}, col2[3]= {160, 160, 160};
sima_draw_alpha_backdrop(x, y, ibuf->x, ibuf->y, zoomx, zoomy, col1, col2);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
}
/* we don't draw floats buffers directly but
* convert them, and optionally apply curves */
image_verify_buffer_float(ima, ibuf, color_manage);
if(ibuf->rect)
glaDrawPixelsSafe(x, y, ibuf->x, ibuf->y, ibuf->x, GL_RGBA, GL_UNSIGNED_BYTE, ibuf->rect);
/*else
glaDrawPixelsSafe(x, y, ibuf->x, ibuf->y, ibuf->x, GL_RGBA, GL_FLOAT, ibuf->rect_float);*/
if(sima->flag & SI_USE_ALPHA)
glDisable(GL_BLEND);
}
/* reset zoom */
glPixelZoom(1.0f, 1.0f);
}
static unsigned int *get_part_from_ibuf(ImBuf *ibuf, short startx, short starty, short endx, short endy)
{
unsigned int *rt, *rp, *rectmain;
short y, heigth, len;
/* the right offset in rectot */
rt= ibuf->rect+ (starty*ibuf->x+ startx);
len= (endx-startx);
heigth= (endy-starty);
rp=rectmain= MEM_mallocN(heigth*len*sizeof(int), "rect");
for(y=0; y<heigth; y++) {
memcpy(rp, rt, len*4);
rt+= ibuf->x;
rp+= len;
}
return rectmain;
}
static void draw_image_buffer_tiled(SpaceImage *sima, ARegion *ar, Scene *scene, Image *ima, ImBuf *ibuf, float fx, float fy, float zoomx, float zoomy)
{
unsigned int *rect;
int dx, dy, sx, sy, x, y;
int color_manage = scene->r.color_mgt_flag & R_COLOR_MANAGEMENT;
/* verify valid values, just leave this a while */
if(ima->xrep<1) return;
if(ima->yrep<1) return;
glPixelZoom(zoomx, zoomy);
if(sima->curtile >= ima->xrep*ima->yrep)
sima->curtile = ima->xrep*ima->yrep - 1;
/* create char buffer from float if needed */
image_verify_buffer_float(ima, ibuf, color_manage);
/* retrieve part of image buffer */
dx= ibuf->x/ima->xrep;
dy= ibuf->y/ima->yrep;
sx= (sima->curtile % ima->xrep)*dx;
sy= (sima->curtile / ima->xrep)*dy;
rect= get_part_from_ibuf(ibuf, sx, sy, sx+dx, sy+dy);
/* draw repeated */
for(sy=0; sy+dy<=ibuf->y; sy+= dy) {
for(sx=0; sx+dx<=ibuf->x; sx+= dx) {
UI_view2d_to_region_no_clip(&ar->v2d, fx + (float)sx/(float)ibuf->x, fy + (float)sy/(float)ibuf->y, &x, &y);
glaDrawPixelsSafe(x, y, dx, dy, dx, GL_RGBA, GL_UNSIGNED_BYTE, rect);
}
}
glPixelZoom(1.0f, 1.0f);
MEM_freeN(rect);
}
static void draw_image_buffer_repeated(SpaceImage *sima, ARegion *ar, Scene *scene, Image *ima, ImBuf *ibuf, float zoomx, float zoomy)
{
const double time_current= PIL_check_seconds_timer();
const int xmax= ceil(ar->v2d.cur.xmax);
const int ymax= ceil(ar->v2d.cur.ymax);
const int xmin= floor(ar->v2d.cur.xmin);
const int ymin= floor(ar->v2d.cur.ymin);
int x;
for(x=xmin; x<xmax; x++) {
int y;
for(y=ymin; y<ymax; y++) {
if(ima && (ima->tpageflag & IMA_TILES))
draw_image_buffer_tiled(sima, ar, scene, ima, ibuf, x, y, zoomx, zoomy);
else
draw_image_buffer(sima, ar, scene, ima, ibuf, x, y, zoomx, zoomy);
/* only draw until running out of time */
if((PIL_check_seconds_timer() - time_current) > 0.25)
return;
}
}
}
/* draw uv edit */
/* draw grease pencil */
void draw_image_grease_pencil(bContext *C, short onlyv2d)
{
/* draw in View2D space? */
if (onlyv2d) {
/* assume that UI_view2d_ortho(C) has been called... */
SpaceImage *sima= (SpaceImage *)CTX_wm_space_data(C);
void *lock;
ImBuf *ibuf= ED_space_image_acquire_buffer(sima, &lock);
/* draw grease-pencil ('image' strokes) */
//if (sima->flag & SI_DISPGP)
draw_gpencil_2dimage(C, ibuf);
ED_space_image_release_buffer(sima, lock);
}
else {
/* assume that UI_view2d_restore(C) has been called... */
//SpaceImage *sima= (SpaceImage *)CTX_wm_space_data(C);
/* draw grease-pencil ('screen' strokes) */
//if (sima->flag & SI_DISPGP)
draw_gpencil_view2d(C, 0);
}
}
/* XXX becomes WM paint cursor */
#if 0
static void draw_image_view_tool(Scene *scene)
{
ToolSettings *settings= scene->toolsettings;
Brush *brush= settings->imapaint.brush;
short mval[2];
float radius;
int draw= 0;
if(brush) {
if(settings->imapaint.flag & IMAGEPAINT_DRAWING) {
if(settings->imapaint.flag & IMAGEPAINT_DRAW_TOOL_DRAWING)
draw= 1;
}
else if(settings->imapaint.flag & IMAGEPAINT_DRAW_TOOL)
draw= 1;
if(draw) {
getmouseco_areawin(mval);
radius= brush_size(brush)*G.sima->zoom;
fdrawXORcirc(mval[0], mval[1], radius);
if (brush->innerradius != 1.0) {
radius *= brush->innerradius;
fdrawXORcirc(mval[0], mval[1], radius);
}
}
}
}
#endif
static unsigned char *get_alpha_clone_image(Scene *scene, int *width, int *height)
{
Brush *brush = paint_brush(&scene->toolsettings->imapaint.paint);
ImBuf *ibuf;
unsigned int size, alpha;
unsigned char *rect, *cp;
if(!brush || !brush->clone.image)
return NULL;
ibuf= BKE_image_get_ibuf(brush->clone.image, NULL);
if(!ibuf || !ibuf->rect)
return NULL;
rect= MEM_dupallocN(ibuf->rect);
if(!rect)
return NULL;
*width= ibuf->x;
*height= ibuf->y;
size= (*width)*(*height);
alpha= (unsigned char)255*brush->clone.alpha;
cp= rect;
while(size-- > 0) {
cp[3]= alpha;
cp += 4;
}
return rect;
}
static void draw_image_paint_helpers(ARegion *ar, Scene *scene, float zoomx, float zoomy)
{
Brush *brush;
int x, y, w, h;
unsigned char *clonerect;
brush= paint_brush(&scene->toolsettings->imapaint.paint);
if(brush && (brush->imagepaint_tool == PAINT_TOOL_CLONE)) {
/* this is not very efficient, but glDrawPixels doesn't allow
drawing with alpha */
clonerect= get_alpha_clone_image(scene, &w, &h);
if(clonerect) {
UI_view2d_to_region_no_clip(&ar->v2d, brush->clone.offset[0], brush->clone.offset[1], &x, &y);
glPixelZoom(zoomx, zoomy);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glaDrawPixelsSafe(x, y, w, h, w, GL_RGBA, GL_UNSIGNED_BYTE, clonerect);
glDisable(GL_BLEND);
glPixelZoom(1.0, 1.0);
MEM_freeN(clonerect);
}
}
}
/* draw main image area */
void draw_image_main(SpaceImage *sima, ARegion *ar, Scene *scene)
{
Image *ima;
ImBuf *ibuf;
float zoomx, zoomy;
int show_viewer, show_render;
void *lock;
/* XXX can we do this in refresh? */
#if 0
what_image(sima);
if(sima->image) {
ED_image_aspect(sima->image, &xuser_asp, &yuser_asp);
/* UGLY hack? until now iusers worked fine... but for flipbook viewer we need this */
if(sima->image->type==IMA_TYPE_COMPOSITE) {
ImageUser *iuser= ntree_get_active_iuser(scene->nodetree);
if(iuser) {
BKE_image_user_calc_imanr(iuser, scene->r.cfra, 0);
sima->iuser= *iuser;
}
}
/* and we check for spare */
ibuf= ED_space_image_buffer(sima);
}
#endif
/* retrieve the image and information about it */
ima= ED_space_image(sima);
ED_space_image_zoom(sima, ar, &zoomx, &zoomy);
ibuf= ED_space_image_acquire_buffer(sima, &lock);
show_viewer= (ima && ima->source == IMA_SRC_VIEWER);
show_render= (show_viewer && ima->type == IMA_TYPE_R_RESULT);
/* draw the image or grid */
if(ibuf==NULL)
draw_image_grid(ar, zoomx, zoomy);
else if(sima->flag & SI_DRAW_TILE)
draw_image_buffer_repeated(sima, ar, scene, ima, ibuf, zoomx, zoomy);
else if(ima && (ima->tpageflag & IMA_TILES))
draw_image_buffer_tiled(sima, ar, scene, ima, ibuf, 0.0f, 0.0, zoomx, zoomy);
else
draw_image_buffer(sima, ar, scene, ima, ibuf, 0.0f, 0.0f, zoomx, zoomy);
/* paint helpers */
if(sima->flag & SI_DRAWTOOL)
draw_image_paint_helpers(ar, scene, zoomx, zoomy);
/* XXX integrate this code */
#if 0
if(ibuf) {
float xoffs=0.0f, yoffs= 0.0f;
if(image_preview_active(sa, &xim, &yim)) {
xoffs= scene->r.disprect.xmin;
yoffs= scene->r.disprect.ymin;
glColor3ub(0,0,0);
calc_image_view(sima, 'f');
myortho2(G.v2d->cur.xmin, G.v2d->cur.xmax, G.v2d->cur.ymin, G.v2d->cur.ymax);
glRectf(0.0f, 0.0f, 1.0f, 1.0f);
glLoadIdentity();
}
}
#endif
ED_space_image_release_buffer(sima, lock);
/* render info */
if(ima && show_render)
draw_render_info(scene, ima, ar);
}
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