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Docs: reworked Changelog, comments.

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ocornut
2026-07-31 19:44:00 +02:00
parent c5bc3ba9fe
commit 3741affa6d
6 changed files with 206 additions and 171 deletions
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8
imgui_draw.cpp
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@@ -4840,7 +4840,7 @@ static void ImFontAtlasBuildUpdateTexDataBasic(ImFontAtlas* atlas)
static int InitCornerGeometry(float cx, float cy, float rounding, float circle_segment_max_error, ImVec2* line_normals, float* line_distances)
{
// This tries to quite faithfully replication how we render the corners using tessellation.
// This tries to quite faithfully replicate how we render the corners using tessellation.
// Older code sampled a circle SDF directly, but it had clearly visible discrepancy between the baked corners
// and tessellated corners due to circle_segment_max_error.
@@ -5089,9 +5089,9 @@ static void ImFontAtlasBuildUpdateTexDataLines(ImFontAtlas* atlas)
}
{
// Calculate super sampled lin textures for smaller line widths to make transition between sizes smoother.
// Calculate super sampled line textures for smaller line widths to make transition between sizes smoother.
// Calc ramp used for all the textures.
// Calculate ramp used for all the textures.
ImU8 ramp[IM_DRAWLIST_TEX_LINES_SAMPLE_COUNT];
for (int n = 0; n < IM_DRAWLIST_TEX_LINES_SAMPLE_COUNT; n++)
ramp[n] = (ImU8)(((float)n / IM_DRAWLIST_TEX_LINES_SAMPLE_COUNT) * 255.0f);
@@ -5108,7 +5108,7 @@ static void ImFontAtlasBuildUpdateTexDataLines(ImFontAtlas* atlas)
// To super 2x sample that signal, we end up with following texture:
// [ 0 | .5 | 1 | .5 | 0 ]
// :.......................:
// One might think that there should be 2 opaque pixels the the middle section, but no singe we're super sampling the triangle signal.
// One might think that there should be 2 opaque pixels in the middle section, but no since we're super sampling the triangle signal.
const int line_width = 1 + n;
IM_ASSERT(IM_DRAWLIST_TEX_LINES_SAMPLE_COUNT + line_width + IM_DRAWLIST_TEX_LINES_SAMPLE_COUNT <= r.w && y < r.h); // Make sure we're inside the texture bounds before we start writing pixels