diff options
Diffstat (limited to 'source/blender/editors/interface/view2d.c')
-rw-r--r-- | source/blender/editors/interface/view2d.c | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/source/blender/editors/interface/view2d.c b/source/blender/editors/interface/view2d.c index 639f83d0d09..19c95ce7ce0 100644 --- a/source/blender/editors/interface/view2d.c +++ b/source/blender/editors/interface/view2d.c @@ -1956,3 +1956,85 @@ short UI_view2d_mouse_in_scrollers (const bContext *C, View2D *v2d, int x, int y return 0; } +/* ******************* view2d text drawing cache ******************** */ + +/* assumes caches are used correctly, so for time being no local storage in v2d */ +static ListBase strings= {NULL, NULL}; + +typedef struct View2DString { + struct View2DString *next, *prev; + float col[4]; + char str[128]; + short mval[2]; + rcti rect; +} View2DString; + + +void UI_view2d_text_cache_add(View2D *v2d, float x, float y, char *str) +{ + int mval[2]; + + UI_view2d_view_to_region(v2d, x, y, mval, mval+1); + + if(mval[0]!=V2D_IS_CLIPPED && mval[1]!=V2D_IS_CLIPPED) { + /* use calloc, rect has to be zeroe'd */ + View2DString *v2s= MEM_callocN(sizeof(View2DString), "View2DString"); + + BLI_addtail(&strings, v2s); + BLI_strncpy(v2s->str, str, 128); + v2s->mval[0]= mval[0]; + v2s->mval[1]= mval[1]; + glGetFloatv(GL_CURRENT_COLOR, v2s->col); + } +} + +/* no clip (yet) */ +void UI_view2d_text_cache_rectf(View2D *v2d, rctf *rect, char *str) +{ + View2DString *v2s= MEM_callocN(sizeof(View2DString), "View2DString"); + + UI_view2d_to_region_no_clip(v2d, rect->xmin, rect->ymin, &v2s->rect.xmin, &v2s->rect.ymin); + UI_view2d_to_region_no_clip(v2d, rect->xmax, rect->ymax, &v2s->rect.xmax, &v2s->rect.ymax); + + BLI_addtail(&strings, v2s); + BLI_strncpy(v2s->str, str, 128); + glGetFloatv(GL_CURRENT_COLOR, v2s->col); +} + + +void UI_view2d_text_cache_draw(ARegion *ar) +{ + View2DString *v2s; + + // wmPushMatrix(); + ED_region_pixelspace(ar); + + for(v2s= strings.first; v2s; v2s= v2s->next) { + glColor3fv(v2s->col); + if(v2s->rect.xmin==v2s->rect.xmax) + BLF_draw_default((float)v2s->mval[0], (float)v2s->mval[1], 0.0, v2s->str); + else { + int xofs=0, yofs; + + yofs= ceil( 0.5f*(v2s->rect.ymax - v2s->rect.ymin - BLF_height_default("28"))); + if(yofs<1) yofs= 1; + + BLF_clipping(v2s->rect.xmin-4, v2s->rect.ymin-4, v2s->rect.xmax+4, v2s->rect.ymax+4); + BLF_enable(BLF_CLIPPING); + + BLF_draw_default(v2s->rect.xmin+xofs, v2s->rect.ymin+yofs, 0.0f, v2s->str); + + BLF_disable(BLF_CLIPPING); + } + } + + // wmPopMatrix(); + + if(strings.first) + BLI_freelistN(&strings); +} + + +/* ******************************************************** */ + + |