diff options
Diffstat (limited to 'source/blender/editors/interface/view2d.c')
| -rw-r--r-- | source/blender/editors/interface/view2d.c | 31 |
1 files changed, 28 insertions, 3 deletions
diff --git a/source/blender/editors/interface/view2d.c b/source/blender/editors/interface/view2d.c index 8a6de9a549b..fe7e6d01955 100644 --- a/source/blender/editors/interface/view2d.c +++ b/source/blender/editors/interface/view2d.c @@ -1368,7 +1368,7 @@ void UI_view2d_constant_grid_draw(View2D *v2d) } /* Draw a multi-level grid in given 2d-region */ -void UI_view2d_multi_grid_draw(View2D *v2d, float step, int level_size, int totlevels) +void UI_view2d_multi_grid_draw(View2D *v2d, int colorid, float step, int level_size, int totlevels) { int offset = -10; float lstep = step; @@ -1378,7 +1378,7 @@ void UI_view2d_multi_grid_draw(View2D *v2d, float step, int level_size, int totl int i; float start; - UI_ThemeColorShade(TH_BACK, offset); + UI_ThemeColorShade(colorid, offset); i = (v2d->cur.xmin >= 0.0f ? -(int)(-v2d->cur.xmin / lstep) : (int)(v2d->cur.xmin / lstep)); start = i * lstep; @@ -1402,7 +1402,7 @@ void UI_view2d_multi_grid_draw(View2D *v2d, float step, int level_size, int totl } /* X and Y axis */ - UI_ThemeColorShade(TH_BACK, offset - 8); + UI_ThemeColorShade(colorid, offset - 8); glVertex2f(0.0f, v2d->cur.ymin); glVertex2f(0.0f, v2d->cur.ymax); glVertex2f(v2d->cur.xmin, 0.0f); @@ -2075,6 +2075,31 @@ void UI_view2d_getscale_inverse(View2D *v2d, float *x, float *y) if (y) *y = BLI_rctf_size_y(&v2d->cur) / BLI_rcti_size_y(&v2d->mask); } +/* Simple functions for consistent center offset access. + * Used by node editor to shift view center for each individual node tree. + */ +void UI_view2d_getcenter(struct View2D *v2d, float *x, float *y) +{ + /* get center */ + if (x) *x = 0.5f*(v2d->cur.xmin + v2d->cur.xmax); + if (y) *y = 0.5f*(v2d->cur.ymin + v2d->cur.ymax); +} +void UI_view2d_setcenter(struct View2D *v2d, float x, float y) +{ + /* get delta from current center */ + float dx = x - 0.5f*(v2d->cur.xmin + v2d->cur.xmax); + float dy = y - 0.5f*(v2d->cur.ymin + v2d->cur.ymax); + + /* add to cur */ + v2d->cur.xmin += dx; + v2d->cur.xmax += dx; + v2d->cur.ymin += dy; + v2d->cur.ymax += dy; + + /* make sure that 'cur' rect is in a valid state as a result of these changes */ + UI_view2d_curRect_validate(v2d); +} + /* Check if mouse is within scrollers * - Returns appropriate code for match * 'h' = in horizontal scroller |