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UI: Draw round corners between the editors

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This makes easier to distinguish between different editors
(as oppose to an editor and its regions).

Note action zones look a bit strange with this. I recommend we do next:
* Make sure all 4 corners can be used as action zones.
* Remove their drawing code (or show them only on mouse hover).
This commit is contained in:
Dalai Felinto
2018-04-22 18:56:06 +02:00
parent 90068773db
commit 8733ad4d2a
3 changed files with 144 additions and 1 deletions
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34
source/blender/editors/interface/interface_widgets.c
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@@ -526,6 +526,40 @@ void UI_draw_anti_tria(float x1, float y1, float x2, float y2, float x3, float y
glDisable(GL_BLEND);
}
void UI_draw_anti_fan(float tri_array[][2], unsigned int length, const float color[4])
{
float draw_color[4];
copy_v4_v4(draw_color, color);
draw_color[3] *= 2.0f / WIDGET_AA_JITTER;
glEnable(GL_BLEND);
unsigned int pos = GWN_vertformat_attr_add(immVertexFormat(), "pos", GWN_COMP_F32, 2, GWN_FETCH_FLOAT);
immBindBuiltinProgram(GPU_SHADER_2D_UNIFORM_COLOR);
immUniformColor4fv(draw_color);
/* for each AA step */
for (int j = 0; j < WIDGET_AA_JITTER; j++) {
immBegin(GWN_PRIM_TRI_FAN, length);
immVertex2f(pos, tri_array[0][0], tri_array[0][1]);
immVertex2f(pos, tri_array[1][0], tri_array[1][1]);
/* We jitter only the middle of the fan, the extremes are pinned. */
for (int i = 2; i < length - 1; i++) {
immVertex2f(pos, tri_array[i][0] + jit[j][0], tri_array[i][1] + jit[j][1]);
}
immVertex2f(pos, tri_array[length - 1][0], tri_array[length - 1][1]);
immEnd();
}
immUnbindProgram();
glDisable(GL_BLEND);
}
static void widget_init(uiWidgetBase *wtb)
{
wtb->totvert = wtb->halfwayvert = 0;