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blender/source/blender/editors/interface/interface_icons.c

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/*
* ***** 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.
*
* Contributors: Blender Foundation, full recode
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file blender/editors/interface/interface_icons.c
* \ingroup edinterface
*/
#include <math.h>
#include <stdlib.h>
#include <string.h>
#ifndef WIN32
#include <unistd.h>
#else
#include <io.h>
#include <direct.h>
#include "BLI_winstuff.h"
#endif
#include "MEM_guardedalloc.h"
#include "GPU_extensions.h"
#include "BLI_math.h"
#include "BLI_blenlib.h"
#include "BLI_utildefines.h"
#include "DNA_brush_types.h"
#include "DNA_object_types.h"
#include "DNA_screen_types.h"
#include "DNA_space_types.h"
#include "RNA_access.h"
#include "RNA_enum_types.h"
#include "BKE_context.h"
#include "BKE_global.h"
#include "BKE_icons.h"
#include "BKE_utildefines.h"
#include "IMB_imbuf.h"
#include "IMB_imbuf_types.h"
#include "BIF_gl.h"
#include "BIF_glutil.h"
#include "ED_datafiles.h"
#include "ED_render.h"
#include "UI_interface.h"
#include "UI_interface_icons.h"
#include "interface_intern.h"
#define ICON_IMAGE_W 600
#define ICON_IMAGE_H 640
#define ICON_GRID_COLS 26
#define ICON_GRID_ROWS 30
#define ICON_GRID_MARGIN 5
#define ICON_GRID_W 16
#define ICON_GRID_H 16
typedef struct IconImage {
int w;
int h;
unsigned int *rect;
} IconImage;
typedef void (*VectorDrawFunc)(int x, int y, int w, int h, float alpha);
#define ICON_TYPE_PREVIEW 0
#define ICON_TYPE_TEXTURE 1
#define ICON_TYPE_BUFFER 2
#define ICON_TYPE_VECTOR 3
typedef struct DrawInfo {
int type;
union {
/* type specific data */
struct {
VectorDrawFunc func;
} vector;
struct {
IconImage* image;
} buffer;
struct {
int x, y, w, h;
} texture;
} data;
} DrawInfo;
typedef struct IconTexture {
GLuint id;
int w;
int h;
float invw;
float invh;
} IconTexture;
/* ******************* STATIC LOCAL VARS ******************* */
/* static here to cache results of icon directory scan, so it's not
* scanning the filesystem each time the menu is drawn */
static struct ListBase iconfilelist = {NULL, NULL};
static IconTexture icongltex = {0, 0, 0, 0.0f, 0.0f};
/* **************************************************** */
static void def_internal_icon(ImBuf *bbuf, int icon_id, int xofs, int yofs, int size, int type)
{
Icon *new_icon = NULL;
IconImage *iimg = NULL;
DrawInfo *di;
int y = 0;
int imgsize = 0;
new_icon = MEM_callocN(sizeof(Icon), "texicon");
new_icon->obj = NULL; /* icon is not for library object */
new_icon->type = 0;
di = MEM_callocN(sizeof(DrawInfo), "drawinfo");
di->type= type;
if(type == ICON_TYPE_TEXTURE) {
di->data.texture.x= xofs;
di->data.texture.y= yofs;
di->data.texture.w= size;
di->data.texture.h= size;
}
else if(type == ICON_TYPE_BUFFER) {
iimg = MEM_mallocN(sizeof(IconImage), "icon_img");
iimg->rect = MEM_mallocN(size*size*sizeof(unsigned int), "icon_rect");
iimg->w = size;
iimg->h = size;
/* Here we store the rect in the icon - same as before */
imgsize = bbuf->x;
for (y=0; y<size; y++) {
memcpy(&iimg->rect[y*size], &bbuf->rect[(y+yofs)*imgsize+xofs], size*sizeof(int));
}
di->data.buffer.image = iimg;
}
new_icon->drawinfo_free = UI_icons_free_drawinfo;
new_icon->drawinfo = di;
BKE_icon_set(icon_id, new_icon);
}
static void def_internal_vicon( int icon_id, VectorDrawFunc drawFunc)
{
Icon *new_icon = NULL;
DrawInfo* di;
new_icon = MEM_callocN(sizeof(Icon), "texicon");
new_icon->obj = NULL; /* icon is not for library object */
new_icon->type = 0;
di = MEM_callocN(sizeof(DrawInfo), "drawinfo");
di->type= ICON_TYPE_VECTOR;
di->data.vector.func =drawFunc;
new_icon->drawinfo_free = NULL;
new_icon->drawinfo = di;
BKE_icon_set(icon_id, new_icon);
}
/* Vector Icon Drawing Routines */
/* Utilities */
static void viconutil_set_point(GLint pt[2], int x, int y)
{
pt[0] = x;
pt[1] = y;
}
static void viconutil_draw_tri(GLint (*pts)[2])
{
glBegin(GL_TRIANGLES);
glVertex2iv(pts[0]);
glVertex2iv(pts[1]);
glVertex2iv(pts[2]);
glEnd();
}
static void viconutil_draw_lineloop(GLint (*pts)[2], int numPoints)
{
int i;
glBegin(GL_LINE_LOOP);
for (i=0; i<numPoints; i++) {
glVertex2iv(pts[i]);
}
glEnd();
}
static void viconutil_draw_lineloop_smooth(GLint (*pts)[2], int numPoints)
{
glEnable(GL_LINE_SMOOTH);
viconutil_draw_lineloop(pts, numPoints);
glDisable(GL_LINE_SMOOTH);
}
static void viconutil_draw_points(GLint (*pts)[2], int numPoints, int pointSize)
{
int i;
glBegin(GL_QUADS);
for (i=0; i<numPoints; i++) {
int x = pts[i][0], y = pts[i][1];
glVertex2i(x-pointSize,y-pointSize);
glVertex2i(x+pointSize,y-pointSize);
glVertex2i(x+pointSize,y+pointSize);
glVertex2i(x-pointSize,y+pointSize);
}
glEnd();
}
/* Drawing functions */
static void vicon_x_draw(int x, int y, int w, int h, float alpha)
{
x += 3;
y += 3;
w -= 6;
h -= 6;
glEnable( GL_LINE_SMOOTH );
glLineWidth(2.5);
glColor4f(0.0, 0.0, 0.0, alpha);
glBegin(GL_LINES);
glVertex2i(x ,y );
glVertex2i(x+w,y+h);
glVertex2i(x+w,y );
glVertex2i(x ,y+h);
glEnd();
glLineWidth(1.0);
glDisable( GL_LINE_SMOOTH );
}
static void vicon_view3d_draw(int x, int y, int w, int h, float alpha)
{
int cx = x + w/2;
int cy = y + h/2;
int d = MAX2(2, h/3);
glColor4f(0.5, 0.5, 0.5, alpha);
glBegin(GL_LINES);
glVertex2i(x , cy-d);
glVertex2i(x+w, cy-d);
glVertex2i(x , cy+d);
glVertex2i(x+w, cy+d);
glVertex2i(cx-d, y );
glVertex2i(cx-d, y+h);
glVertex2i(cx+d, y );
glVertex2i(cx+d, y+h);
glEnd();
glColor4f(0.0, 0.0, 0.0, alpha);
glBegin(GL_LINES);
glVertex2i(x , cy);
glVertex2i(x+w, cy);
glVertex2i(cx, y );
glVertex2i(cx, y+h);
glEnd();
}
static void vicon_edit_draw(int x, int y, int w, int h, float alpha)
{
GLint pts[4][2];
viconutil_set_point(pts[0], x+3 , y+3 );
viconutil_set_point(pts[1], x+w-3, y+3 );
viconutil_set_point(pts[2], x+w-3, y+h-3);
viconutil_set_point(pts[3], x+3 , y+h-3);
glColor4f(0.0, 0.0, 0.0, alpha);
viconutil_draw_lineloop(pts, 4);
glColor3f(1, 1, 0.0);
viconutil_draw_points(pts, 4, 1);
}
static void vicon_editmode_hlt_draw(int x, int y, int w, int h, float alpha)
{
GLint pts[3][2];
viconutil_set_point(pts[0], x+w/2, y+h-2);
viconutil_set_point(pts[1], x+3, y+4);
viconutil_set_point(pts[2], x+w-3, y+4);
glColor4f(0.5, 0.5, 0.5, alpha);
viconutil_draw_tri(pts);
glColor4f(0.0, 0.0, 0.0, 1);
viconutil_draw_lineloop_smooth(pts, 3);
glColor3f(1, 1, 0.0);
viconutil_draw_points(pts, 3, 1);
}
static void vicon_editmode_dehlt_draw(int x, int y, int w, int h, float UNUSED(alpha))
{
GLint pts[3][2];
viconutil_set_point(pts[0], x+w/2, y+h-2);
viconutil_set_point(pts[1], x+3, y+4);
viconutil_set_point(pts[2], x+w-3, y+4);
glColor4f(0.0f, 0.0f, 0.0f, 1);
viconutil_draw_lineloop_smooth(pts, 3);
glColor3f(.9f, .9f, .9f);
viconutil_draw_points(pts, 3, 1);
}
static void vicon_disclosure_tri_right_draw(int x, int y, int w, int UNUSED(h), float alpha)
{
GLint pts[3][2];
int cx = x+w/2;
int cy = y+w/2;
int d = w/3, d2 = w/5;
viconutil_set_point(pts[0], cx-d2, cy+d);
viconutil_set_point(pts[1], cx-d2, cy-d);
viconutil_set_point(pts[2], cx+d2, cy);
glShadeModel(GL_SMOOTH);
glBegin(GL_TRIANGLES);
glColor4f(0.8f, 0.8f, 0.8f, alpha);
glVertex2iv(pts[0]);
glVertex2iv(pts[1]);
glColor4f(0.3f, 0.3f, 0.3f, alpha);
glVertex2iv(pts[2]);
glEnd();
glShadeModel(GL_FLAT);
glColor4f(0.0f, 0.0f, 0.0f, 1);
viconutil_draw_lineloop_smooth(pts, 3);
}
static void vicon_small_tri_right_draw(int x, int y, int w, int UNUSED(h), float alpha)
{
GLint pts[3][2];
int cx = x+w/2-4;
int cy = y+w/2;
int d = w/5, d2 = w/7;
viconutil_set_point(pts[0], cx-d2, cy+d);
viconutil_set_point(pts[1], cx-d2, cy-d);
viconutil_set_point(pts[2], cx+d2, cy);
glColor4f(0.2f, 0.2f, 0.2f, alpha);
glShadeModel(GL_SMOOTH);
glBegin(GL_TRIANGLES);
glVertex2iv(pts[0]);
glVertex2iv(pts[1]);
glVertex2iv(pts[2]);
glEnd();
glShadeModel(GL_FLAT);
}
static void vicon_disclosure_tri_down_draw(int x, int y, int w, int UNUSED(h), float alpha)
{
GLint pts[3][2];
int cx = x+w/2;
int cy = y+w/2;
int d = w/3, d2 = w/5;
viconutil_set_point(pts[0], cx+d, cy+d2);
viconutil_set_point(pts[1], cx-d, cy+d2);
viconutil_set_point(pts[2], cx, cy-d2);
glShadeModel(GL_SMOOTH);
glBegin(GL_TRIANGLES);
glColor4f(0.8f, 0.8f, 0.8f, alpha);
glVertex2iv(pts[0]);
glVertex2iv(pts[1]);
glColor4f(0.3f, 0.3f, 0.3f, alpha);
glVertex2iv(pts[2]);
glEnd();
glShadeModel(GL_FLAT);
glColor4f(0.0f, 0.0f, 0.0f, 1);
viconutil_draw_lineloop_smooth(pts, 3);
}
static void vicon_move_up_draw(int x, int y, int w, int h, float UNUSED(alpha))
{
int d=-2;
glEnable(GL_LINE_SMOOTH);
glLineWidth(1);
glColor3f(0.0, 0.0, 0.0);
glBegin(GL_LINE_STRIP);
glVertex2i(x+w/2-d*2, y+h/2+d);
glVertex2i(x+w/2, y+h/2-d + 1);
glVertex2i(x+w/2+d*2, y+h/2+d);
glEnd();
glLineWidth(1.0);
glDisable(GL_LINE_SMOOTH);
}
static void vicon_move_down_draw(int x, int y, int w, int h, float UNUSED(alpha))
{
int d=2;
glEnable(GL_LINE_SMOOTH);
glLineWidth(1);
glColor3f(0.0, 0.0, 0.0);
glBegin(GL_LINE_STRIP);
glVertex2i(x+w/2-d*2, y+h/2+d);
glVertex2i(x+w/2, y+h/2-d - 1);
glVertex2i(x+w/2+d*2, y+h/2+d);
glEnd();
glLineWidth(1.0);
glDisable(GL_LINE_SMOOTH);
}
#ifndef WITH_HEADLESS
static void init_brush_icons(void)
{
#define INIT_BRUSH_ICON(icon_id, name) \
bbuf = IMB_ibImageFromMemory((unsigned char*)datatoc_ ##name## _png, \
datatoc_ ##name## _png_size, IB_rect, "<brush icon>"); \
def_internal_icon(bbuf, icon_id, 0, 0, w, ICON_TYPE_BUFFER); \
IMB_freeImBuf(bbuf);
// end INIT_BRUSH_ICON
ImBuf *bbuf;
const int w = 96;
INIT_BRUSH_ICON(ICON_BRUSH_ADD, add);
INIT_BRUSH_ICON(ICON_BRUSH_BLOB, blob);
INIT_BRUSH_ICON(ICON_BRUSH_BLUR, blur);
INIT_BRUSH_ICON(ICON_BRUSH_CLAY, clay);
INIT_BRUSH_ICON(ICON_BRUSH_CLONE, clone);
INIT_BRUSH_ICON(ICON_BRUSH_CREASE, crease);
INIT_BRUSH_ICON(ICON_BRUSH_DARKEN, darken);
INIT_BRUSH_ICON(ICON_BRUSH_SCULPT_DRAW, draw);
INIT_BRUSH_ICON(ICON_BRUSH_FILL, fill);
INIT_BRUSH_ICON(ICON_BRUSH_FLATTEN, flatten);
INIT_BRUSH_ICON(ICON_BRUSH_GRAB, grab);
INIT_BRUSH_ICON(ICON_BRUSH_INFLATE, inflate);
INIT_BRUSH_ICON(ICON_BRUSH_LAYER, layer);
INIT_BRUSH_ICON(ICON_BRUSH_LIGHTEN, lighten);
INIT_BRUSH_ICON(ICON_BRUSH_MIX, mix);
INIT_BRUSH_ICON(ICON_BRUSH_MULTIPLY, multiply);
INIT_BRUSH_ICON(ICON_BRUSH_NUDGE, nudge);
INIT_BRUSH_ICON(ICON_BRUSH_PINCH, pinch);
INIT_BRUSH_ICON(ICON_BRUSH_SCRAPE, scrape);
INIT_BRUSH_ICON(ICON_BRUSH_SMEAR, smear);
INIT_BRUSH_ICON(ICON_BRUSH_SMOOTH, smooth);
INIT_BRUSH_ICON(ICON_BRUSH_SNAKE_HOOK, snake_hook);
INIT_BRUSH_ICON(ICON_BRUSH_SOFTEN, soften);
INIT_BRUSH_ICON(ICON_BRUSH_SUBTRACT, subtract);
INIT_BRUSH_ICON(ICON_BRUSH_TEXDRAW, texdraw);
INIT_BRUSH_ICON(ICON_BRUSH_THUMB, thumb);
INIT_BRUSH_ICON(ICON_BRUSH_ROTATE, twist);
INIT_BRUSH_ICON(ICON_BRUSH_VERTEXDRAW, vertexdraw);
#undef INIT_BRUSH_ICON
}
static void init_internal_icons(void)
{
bTheme *btheme= U.themes.first;
ImBuf *bbuf= NULL;
int x, y, icontype;
char iconfilestr[FILE_MAXDIR+FILE_MAXFILE];
if ((btheme!=NULL) && btheme->tui.iconfile[0]) {
char *icondir= BLI_get_folder(BLENDER_DATAFILES, "icons");
if (icondir) {
BLI_join_dirfile(iconfilestr, sizeof(iconfilestr), icondir, btheme->tui.iconfile);
bbuf = IMB_loadiffname(iconfilestr, IB_rect); /* if the image is missing bbuf will just be NULL */
if(bbuf && (bbuf->x < ICON_IMAGE_W || bbuf->y < ICON_IMAGE_H)) {
printf("\n***WARNING***\nIcons file %s too small.\nUsing built-in Icons instead\n", iconfilestr);
IMB_freeImBuf(bbuf);
bbuf= NULL;
}
}
else {
printf("%s: 'icons' data path not found, continuing\n", __func__);
}
}
if(bbuf==NULL)
bbuf = IMB_ibImageFromMemory((unsigned char*)datatoc_blenderbuttons, datatoc_blenderbuttons_size, IB_rect, "<blender icons>");
if(bbuf) {
/* free existing texture if any */
if(icongltex.id) {
glDeleteTextures(1, &icongltex.id);
icongltex.id= 0;
}
/* we only use a texture for cards with non-power of two */
if(GPU_non_power_of_two_support()) {
glGenTextures(1, &icongltex.id);
if(icongltex.id) {
icongltex.w = bbuf->x;
icongltex.h = bbuf->y;
icongltex.invw = 1.0f/bbuf->x;
icongltex.invh = 1.0f/bbuf->y;
glBindTexture(GL_TEXTURE_2D, icongltex.id);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, bbuf->x, bbuf->y, 0, GL_RGBA, GL_UNSIGNED_BYTE, bbuf->rect);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glBindTexture(GL_TEXTURE_2D, 0);
if(glGetError() == GL_OUT_OF_MEMORY) {
glDeleteTextures(1, &icongltex.id);
icongltex.id= 0;
}
}
}
}
if(icongltex.id)
icontype= ICON_TYPE_TEXTURE;
else
icontype= ICON_TYPE_BUFFER;
if(bbuf) {
for (y=0; y<ICON_GRID_ROWS; y++) {
for (x=0; x<ICON_GRID_COLS; x++) {
def_internal_icon(bbuf, BIFICONID_FIRST + y*ICON_GRID_COLS + x,
x*(ICON_GRID_W+ICON_GRID_MARGIN)+ICON_GRID_MARGIN,
y*(ICON_GRID_H+ICON_GRID_MARGIN)+ICON_GRID_MARGIN, ICON_GRID_W,
icontype);
}
}
}
def_internal_vicon(VICO_VIEW3D_VEC, vicon_view3d_draw);
def_internal_vicon(VICO_EDIT_VEC, vicon_edit_draw);
def_internal_vicon(VICO_EDITMODE_DEHLT, vicon_editmode_dehlt_draw);
def_internal_vicon(VICO_EDITMODE_HLT, vicon_editmode_hlt_draw);
def_internal_vicon(VICO_DISCLOSURE_TRI_RIGHT_VEC, vicon_disclosure_tri_right_draw);
def_internal_vicon(VICO_DISCLOSURE_TRI_DOWN_VEC, vicon_disclosure_tri_down_draw);
def_internal_vicon(VICO_MOVE_UP_VEC, vicon_move_up_draw);
def_internal_vicon(VICO_MOVE_DOWN_VEC, vicon_move_down_draw);
def_internal_vicon(VICO_X_VEC, vicon_x_draw);
def_internal_vicon(VICO_SMALL_TRI_RIGHT_VEC, vicon_small_tri_right_draw);
IMB_freeImBuf(bbuf);
}
#endif // WITH_HEADLESS
static void init_iconfile_list(struct ListBase *list)
{
IconFile *ifile;
struct direntry *dir;
int restoredir = 1; /* restore to current directory */
int totfile, i, index=1;
const char *icondir;
char olddir[FILE_MAX];
list->first = list->last = NULL;
icondir = BLI_get_folder(BLENDER_DATAFILES, "icons");
if(icondir==NULL)
return;
/* since BLI_dir_contents changes the current working directory, restore it
back to old value afterwards */
if(!BLI_current_working_dir(olddir, sizeof(olddir)))
restoredir = 0;
totfile = BLI_dir_contents(icondir, &dir);
if (restoredir && !chdir(olddir)) {} /* fix warning about checking return value */
for(i=0; i<totfile; i++) {
if( (dir[i].type & S_IFREG) ) {
char *filename = dir[i].relname;
if(BLI_testextensie(filename, ".png")) {
/* loading all icons on file start is overkill & slows startup
* its possible they change size after blender load anyway. */
#if 0
int ifilex, ifiley;
char iconfilestr[FILE_MAX+16]; /* allow 256 chars for file+dir */
ImBuf *bbuf= NULL;
/* check to see if the image is the right size, continue if not */
/* copying strings here should go ok, assuming that we never get back
a complete path to file longer than 256 chars */
BLI_join_dirfile(iconfilestr, sizeof(iconfilestr), icondir, filename);
bbuf= IMB_loadiffname(iconfilestr, IB_rect);
if(bbuf) {
ifilex = bbuf->x;
ifiley = bbuf->y;
IMB_freeImBuf(bbuf);
}
else {
ifilex= ifiley= 0;
}
/* bad size or failed to load */
if ((ifilex != ICON_IMAGE_W) || (ifiley != ICON_IMAGE_H)) {
printf("icon '%s' is wrong size %dx%d\n", iconfilestr, ifilex, ifiley);
continue;
}
#endif /* removed */
/* found a potential icon file, so make an entry for it in the cache list */
ifile = MEM_callocN(sizeof(IconFile), "IconFile");
BLI_strncpy(ifile->filename, filename, sizeof(ifile->filename));
ifile->index = index;
BLI_addtail(list, ifile);
index++;
}
}
}
/* free temporary direntry structure that's been created by BLI_dir_contents() */
i= totfile-1;
for(; i>=0; i--){
MEM_freeN(dir[i].relname);
MEM_freeN(dir[i].path);
if (dir[i].string) MEM_freeN(dir[i].string);
}
free(dir);
dir= NULL;
}
static void free_iconfile_list(struct ListBase *list)
{
IconFile *ifile=NULL, *next_ifile=NULL;
for(ifile=list->first; ifile; ifile=next_ifile) {
next_ifile = ifile->next;
BLI_freelinkN(list, ifile);
}
}
int UI_iconfile_get_index(const char *filename)
{
IconFile *ifile;
ListBase *list=&(iconfilelist);
for(ifile=list->first; ifile; ifile=ifile->next) {
if (BLI_path_cmp(filename, ifile->filename) == 0) {
return ifile->index;
}
}
return 0;
}
ListBase *UI_iconfile_list(void)
{
ListBase *list=&(iconfilelist);
return list;
}
void UI_icons_free(void)
{
#ifndef WITH_HEADLESS
if(icongltex.id) {
glDeleteTextures(1, &icongltex.id);
icongltex.id= 0;
}
free_iconfile_list(&iconfilelist);
BKE_icons_free();
#endif
}
void UI_icons_free_drawinfo(void *drawinfo)
{
DrawInfo *di = drawinfo;
if(di) {
if(di->type == ICON_TYPE_BUFFER) {
if(di->data.buffer.image) {
MEM_freeN(di->data.buffer.image->rect);
MEM_freeN(di->data.buffer.image);
}
}
MEM_freeN(di);
}
}
static DrawInfo *icon_create_drawinfo(void)
{
DrawInfo *di = NULL;
di = MEM_callocN(sizeof(DrawInfo), "di_icon");
di->type= ICON_TYPE_PREVIEW;
return di;
}
/* note!, returns unscaled by DPI, may need to multiply result by UI_DPI_ICON_FAC */
int UI_icon_get_width(int icon_id)
{
Icon *icon = NULL;
DrawInfo *di = NULL;
icon = BKE_icon_get(icon_id);
if (icon==NULL) {
if (G.f & G_DEBUG)
printf("%s: Internal error, no icon for icon ID: %d\n", __func__, icon_id);
return 0;
}
di = (DrawInfo *)icon->drawinfo;
if (!di) {
di = icon_create_drawinfo();
icon->drawinfo = di;
}
if (di)
return ICON_DEFAULT_WIDTH;
return 0;
}
int UI_icon_get_height(int icon_id)
{
Icon *icon = NULL;
DrawInfo *di = NULL;
icon = BKE_icon_get(icon_id);
if (icon==NULL) {
if (G.f & G_DEBUG)
printf("%s: Internal error, no icon for icon ID: %d\n", __func__, icon_id);
return 0;
}
di = (DrawInfo*)icon->drawinfo;
if (!di) {
di = icon_create_drawinfo();
icon->drawinfo = di;
}
if (di)
return ICON_DEFAULT_HEIGHT;
return 0;
}
void UI_icons_init(int first_dyn_id)
{
#ifdef WITH_HEADLESS
(void)first_dyn_id;
#else
init_iconfile_list(&iconfilelist);
BKE_icons_init(first_dyn_id);
init_internal_icons();
init_brush_icons();
#endif
}
/* Render size for preview images and icons
*/
static int preview_render_size(enum eIconSizes size)
{
switch (size) {
case ICON_SIZE_ICON: return 32;
case ICON_SIZE_PREVIEW: return PREVIEW_DEFAULT_HEIGHT;
}
return 0;
}
/* Create rect for the icon
*/
static void icon_create_rect(struct PreviewImage* prv_img, enum eIconSizes size)
{
unsigned int render_size = preview_render_size(size);
if (!prv_img) {
if (G.f & G_DEBUG)
printf("%s, error: requested preview image does not exist", __func__);
}
if (!prv_img->rect[size]) {
prv_img->w[size] = render_size;
prv_img->h[size] = render_size;
prv_img->changed[size] = 1;
prv_img->changed_timestamp[size] = 0;
prv_img->rect[size] = MEM_callocN(render_size*render_size*sizeof(unsigned int), "prv_rect");
}
}
/* only called when icon has changed */
/* only call with valid pointer from UI_icon_draw */
static void icon_set_image(bContext *C, ID *id, PreviewImage* prv_img, enum eIconSizes size)
{
if (!prv_img) {
if (G.f & G_DEBUG)
printf("%s: no preview image for this ID: %s\n", __func__, id->name);
return;
}
icon_create_rect(prv_img, size);
ED_preview_icon_job(C, prv_img, id, prv_img->rect[size],
prv_img->w[size], prv_img->h[size]);
}
static void icon_draw_rect(float x, float y, int w, int h, float UNUSED(aspect), int rw, int rh, unsigned int *rect, float alpha, float *rgb, short is_preview)
{
ImBuf *ima= NULL;
/* sanity check */
if(w<=0 || h<=0 || w>2000 || h>2000) {
printf("%s: icons are %i x %i pixels?\n", __func__, w, h);
BLI_assert(!"invalid icon size");
return;
}
/* modulate color */
if(alpha != 1.0f)
glPixelTransferf(GL_ALPHA_SCALE, alpha);
if(rgb) {
glPixelTransferf(GL_RED_SCALE, rgb[0]);
glPixelTransferf(GL_GREEN_SCALE, rgb[1]);
glPixelTransferf(GL_BLUE_SCALE, rgb[2]);
}
/* rect contains image in 'rendersize', we only scale if needed */
if(rw!=w && rh!=h) {
/* first allocate imbuf for scaling and copy preview into it */
ima = IMB_allocImBuf(rw, rh, 32, IB_rect);
memcpy(ima->rect, rect, rw*rh*sizeof(unsigned int));
IMB_scaleImBuf(ima, w, h); /* scale it */
rect= ima->rect;
}
/* draw */
if(is_preview) {
glaDrawPixelsSafe(x, y, w, h, w, GL_RGBA, GL_UNSIGNED_BYTE, rect);
}
else {
glRasterPos2f(x, y);
glDrawPixels(w, h, GL_RGBA, GL_UNSIGNED_BYTE, rect);
}
if(ima)
IMB_freeImBuf(ima);
/* restore color */
if(alpha != 0.0f)
glPixelTransferf(GL_ALPHA_SCALE, 1.0f);
if(rgb) {
glPixelTransferf(GL_RED_SCALE, 1.0f);
glPixelTransferf(GL_GREEN_SCALE, 1.0f);
glPixelTransferf(GL_BLUE_SCALE, 1.0f);
}
}
static void icon_draw_texture(float x, float y, float w, float h, int ix, int iy, int UNUSED(iw), int ih, float alpha, float *rgb)
{
float x1, x2, y1, y2;
if(rgb) glColor4f(rgb[0], rgb[1], rgb[2], alpha);
else glColor4f(1.0f, 1.0f, 1.0f, alpha);
x1= ix*icongltex.invw;
x2= (ix + ih)*icongltex.invw;
y1= iy*icongltex.invh;
y2= (iy + ih)*icongltex.invh;
glEnable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, icongltex.id);
glBegin(GL_QUADS);
glTexCoord2f(x1, y1);
glVertex2f(x, y);
glTexCoord2f(x2, y1);
glVertex2f(x+w, y);
glTexCoord2f(x2, y2);
glVertex2f(x+w, y+h);
glTexCoord2f(x1, y2);
glVertex2f(x, y+h);
glEnd();
glBindTexture(GL_TEXTURE_2D, 0);
glDisable(GL_TEXTURE_2D);
}
/* Drawing size for preview images */
static int get_draw_size(enum eIconSizes size)
{
switch (size) {
case ICON_SIZE_ICON: return ICON_DEFAULT_HEIGHT;
case ICON_SIZE_PREVIEW: return PREVIEW_DEFAULT_HEIGHT;
}
return 0;
}
static void icon_draw_size(float x, float y, int icon_id, float aspect, float alpha, float *rgb, enum eIconSizes size, int draw_size, int UNUSED(nocreate), short is_preview)
{
Icon *icon = NULL;
DrawInfo *di = NULL;
IconImage *iimg;
float fdraw_size= is_preview ? draw_size : (draw_size * UI_DPI_ICON_FAC);
int w, h;
icon = BKE_icon_get(icon_id);
if (icon==NULL) {
if (G.f & G_DEBUG)
printf("%s: Internal error, no icon for icon ID: %d\n", __func__, icon_id);
return;
}
di = (DrawInfo*)icon->drawinfo;
if (!di) {
di = icon_create_drawinfo();
icon->drawinfo = di;
icon->drawinfo_free = UI_icons_free_drawinfo;
}
/* scale width and height according to aspect */
w = (int)(fdraw_size/aspect + 0.5f);
h = (int)(fdraw_size/aspect + 0.5f);
if(di->type == ICON_TYPE_VECTOR) {
/* vector icons use the uiBlock transformation, they are not drawn
with untransformed coordinates like the other icons */
di->data.vector.func((int)x, (int)y, ICON_DEFAULT_HEIGHT, ICON_DEFAULT_HEIGHT, 1.0f);
}
else if(di->type == ICON_TYPE_TEXTURE) {
icon_draw_texture(x, y, (float)w, (float)h, di->data.texture.x, di->data.texture.y,
di->data.texture.w, di->data.texture.h, alpha, rgb);
}
else if(di->type == ICON_TYPE_BUFFER) {
/* it is a builtin icon */
iimg= di->data.buffer.image;
if(!iimg->rect) return; /* something has gone wrong! */
icon_draw_rect(x, y, w, h, aspect, iimg->w, iimg->h, iimg->rect, alpha, rgb, is_preview);
}
else if(di->type == ICON_TYPE_PREVIEW) {
PreviewImage* pi = BKE_previewimg_get((ID*)icon->obj);
if(pi) {
/* no create icon on this level in code */
if(!pi->rect[size]) return; /* something has gone wrong! */
/* preview images use premul alpha ... */
glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
icon_draw_rect(x, y, w, h, aspect, pi->w[size], pi->h[size], pi->rect[size], 1.0f, NULL, is_preview);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
}
}
}
static void ui_id_icon_render(bContext *C, ID *id, int big)
{
PreviewImage *pi = BKE_previewimg_get(id);
if (pi) {
if ((pi->changed[0] ||!pi->rect[0])) /* changed only ever set by dynamic icons */
{
/* create the rect if necessary */
icon_set_image(C, id, pi, ICON_SIZE_ICON); /* icon size */
if (big)
icon_set_image(C, id, pi, ICON_SIZE_PREVIEW); /* bigger preview size */
pi->changed[0] = 0;
}
}
}
static void ui_id_brush_render(bContext *C, ID *id)
{
PreviewImage *pi = BKE_previewimg_get(id);
enum eIconSizes i;
if(!pi)
return;
for(i = 0; i < NUM_ICON_SIZES; i++) {
/* check if rect needs to be created; changed
only set by dynamic icons */
if((pi->changed[i] || !pi->rect[i])) {
icon_set_image(C, id, pi, i);
pi->changed[i] = 0;
}
}
}
static int ui_id_brush_get_icon(bContext *C, ID *id)
{
Brush *br = (Brush*)id;
if(br->flag & BRUSH_CUSTOM_ICON) {
BKE_icon_getid(id);
ui_id_brush_render(C, id);
}
else {
Object *ob = CTX_data_active_object(C);
SpaceImage *sima;
EnumPropertyItem *items = NULL;
int tool, mode = 0;
/* XXX: this is not nice, should probably make brushes
be strictly in one paint mode only to avoid
checking various context stuff here */
if(CTX_wm_view3d(C) && ob) {
if(ob->mode & OB_MODE_SCULPT)
mode = OB_MODE_SCULPT;
else if(ob->mode & (OB_MODE_VERTEX_PAINT|OB_MODE_WEIGHT_PAINT))
mode = OB_MODE_VERTEX_PAINT;
else if(ob->mode & OB_MODE_TEXTURE_PAINT)
mode = OB_MODE_TEXTURE_PAINT;
}
else if((sima = CTX_wm_space_image(C)) &&
(sima->flag & SI_DRAWTOOL)) {
mode = OB_MODE_TEXTURE_PAINT;
}
/* reset the icon */
if(mode == OB_MODE_SCULPT) {
items = brush_sculpt_tool_items;
tool = br->sculpt_tool;
}
else if(mode == OB_MODE_VERTEX_PAINT) {
items = brush_vertex_tool_items;
tool = br->vertexpaint_tool;
}
else if(mode == OB_MODE_TEXTURE_PAINT) {
items = brush_image_tool_items;
tool = br->imagepaint_tool;
}
if(!items || !RNA_enum_icon_from_value(items, tool, &id->icon_id))
id->icon_id = 0;
}
return id->icon_id;
}
int ui_id_icon_get(bContext *C, ID *id, int big)
{
int iconid= 0;
/* icon */
switch(GS(id->name)) {
case ID_BR:
iconid= ui_id_brush_get_icon(C, id);
break;
case ID_MA: /* fall through */
case ID_TE: /* fall through */
case ID_IM: /* fall through */
case ID_WO: /* fall through */
case ID_LA: /* fall through */
iconid= BKE_icon_getid(id);
/* checks if not exists, or changed */
ui_id_icon_render(C, id, big);
break;
default:
break;
}
return iconid;
}
static void icon_draw_at_size(float x, float y, int icon_id, float aspect, float alpha, enum eIconSizes size, int nocreate)
{
int draw_size = get_draw_size(size);
icon_draw_size(x, y, icon_id, aspect, alpha, NULL, size, draw_size, nocreate, FALSE);
}
void UI_icon_draw_aspect(float x, float y, int icon_id, float aspect, float alpha)
{
icon_draw_at_size(x, y, icon_id, aspect, alpha, ICON_SIZE_ICON, 0);
}
void UI_icon_draw_aspect_color(float x, float y, int icon_id, float aspect, float *rgb)
{
int draw_size = get_draw_size(ICON_SIZE_ICON);
icon_draw_size(x, y, icon_id, aspect, 1.0f, rgb, ICON_SIZE_ICON, draw_size, FALSE, FALSE);
}
void UI_icon_draw(float x, float y, int icon_id)
{
UI_icon_draw_aspect(x, y, icon_id, 1.0f, 1.0f);
}
void UI_icon_draw_size(float x, float y, int size, int icon_id, float alpha)
{
icon_draw_size(x, y, icon_id, 1.0f, alpha, NULL, ICON_SIZE_ICON, size, TRUE, FALSE);
}
void UI_icon_draw_preview(float x, float y, int icon_id)
{
icon_draw_at_size(x, y, icon_id, 1.0f, 1.0f, ICON_SIZE_PREVIEW, 0);
}
void UI_icon_draw_preview_aspect(float x, float y, int icon_id, float aspect)
{
icon_draw_at_size(x, y, icon_id, aspect, 1.0f, ICON_SIZE_PREVIEW, 0);
}
void UI_icon_draw_preview_aspect_size(float x, float y, int icon_id, float aspect, int size)
{
icon_draw_size(x, y, icon_id, aspect, 1.0f, NULL, ICON_SIZE_PREVIEW, size, FALSE, TRUE);
}
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