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UI: Improve contrast on playhead

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Add an outine around the playhead, matching the color of the background (slightly darkened)
to improve the readability of the current frame line when placed against curves or strips
with a similar color.

{F10944336, size=full}

Differential Revision: https://developer.blender.org/D12810
This commit is contained in:
Pablo Vazquez 2021-10-17 19:06:45 +02:00 committed by Pablo Vazquez
parent 962b17b3ca
commit 452c78757f
1 changed files with 14 additions and 0 deletions
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14
source/blender/editors/animation/time_scrub_ui.c
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@ -101,6 +101,7 @@ static void draw_current_frame(const Scene *scene,
float text_width = UI_fontstyle_string_width(fstyle, frame_str);
float box_width = MAX2(text_width + 8 * UI_DPI_FAC, 24 * UI_DPI_FAC);
float box_padding = 3 * UI_DPI_FAC;
const int line_outline = max_ii(1, round_fl_to_int(1 * UI_DPI_FAC));
float bg_color[4];
UI_GetThemeColorShade4fv(TH_CFRAME, -5, bg_color);
@ -109,7 +110,19 @@ static void draw_current_frame(const Scene *scene,
const float subframe_x = UI_view2d_view_to_region_x(v2d, BKE_scene_ctime_get(scene));
GPUVertFormat *format = immVertexFormat();
uint pos = GPU_vertformat_attr_add(format, "pos", GPU_COMP_F32, 2, GPU_FETCH_FLOAT);
GPU_blend(GPU_BLEND_ALPHA);
immBindBuiltinProgram(GPU_SHADER_2D_UNIFORM_COLOR);
/* Outline. */
immUniformThemeColorShadeAlpha(TH_BACK, -25, -100);
immRectf(pos,
subframe_x - (line_outline + U.pixelsize),
scrub_region_rect->ymax - box_padding,
subframe_x + (line_outline + U.pixelsize),
0.0f);
/* Line. */
immUniformThemeColor(TH_CFRAME);
immRectf(pos,
subframe_x - U.pixelsize,
@ -117,6 +130,7 @@ static void draw_current_frame(const Scene *scene,
subframe_x + U.pixelsize,
0.0f);
immUnbindProgram();
GPU_blend(GPU_BLEND_NONE);
UI_draw_roundbox_corner_set(UI_CNR_ALL);