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Animation: Graph Editor - grey out area outside of normalization range

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When normalization is enabled in the Graph Editor,
the area outside the -1/1 range on the y axis isn't meaningful.
To visually represent that this patch greys out that area
just as it does with anything outside the current frame range.

Pull Request: https://projects.blender.org/blender/blender/pulls/106302
This commit is contained in:
Christoph Lendenfeld
2023-03-31 13:54:32 +02:00
committed by Christoph Lendenfeld
parent 324ba509b5
commit 7775fecb14
1 changed files with 26 additions and 0 deletions
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26
source/blender/editors/space_graph/space_graph.c
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@@ -182,6 +182,28 @@ static void graph_main_region_init(wmWindowManager *wm, ARegion *region)
WM_event_add_keymap_handler(&region->handlers, keymap);
}
/* Draw a darker area above 1 and below -1. */
static void draw_normalization_borders(Scene *scene, View2D *v2d)
{
GPU_blend(GPU_BLEND_ALPHA);
GPUVertFormat *format = immVertexFormat();
const uint pos = GPU_vertformat_attr_add(format, "pos", GPU_COMP_F32, 2, GPU_FETCH_FLOAT);
immBindBuiltinProgram(GPU_SHADER_3D_UNIFORM_COLOR);
immUniformThemeColorShadeAlpha(TH_BACK, -25, -180);
if (v2d->cur.ymax >= 1) {
immRectf(pos, scene->r.sfra, 1, scene->r.efra, v2d->cur.ymax);
}
if (v2d->cur.ymin <= -1) {
immRectf(pos, scene->r.sfra, v2d->cur.ymin, scene->r.efra, -1);
}
GPU_blend(GPU_BLEND_NONE);
immUnbindProgram();
}
static void graph_main_region_draw(const bContext *C, ARegion *region)
{
/* draw entirely, view changes should be handled here */
@@ -207,6 +229,10 @@ static void graph_main_region_draw(const bContext *C, ARegion *region)
ANIM_draw_framerange(scene, v2d);
}
if (sipo->mode == SIPO_MODE_ANIMATION && (sipo->flag & SIPO_NORMALIZE)) {
draw_normalization_borders(scene, v2d);
}
/* draw data */
if (ANIM_animdata_get_context(C, &ac)) {
/* draw ghost curves */