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DrawList: renamed ImDrawFlags_StrokeCenterPixelAligned to ImDrawFlags_StrokeCenterAligned.

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ocornut
2026-05-22 16:50:57 +02:00
parent 425e1f3fb2
commit ff4ab1b00a
3 changed files with 16 additions and 16 deletions
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28
imgui_draw.cpp
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@@ -819,12 +819,12 @@ void ImDrawList::PrimQuadUV(const ImVec2& a, const ImVec2& b, const ImVec2& c, c
}
static float CalculateCenterPixelAlignedOffset(float thickness, float _FringeScale)
static float CalculateCenterAlignedOffset(float thickness, float _FringeScale)
{
// Old jumpy one.
// return IM_TRUNC(thickness * 0.5f / _FringeScale) * _FringeScale;
// Calculate outside offset for stroke position CenterPixelAligned
// Calculate outside offset for stroke position CenterAligned
// so that one side the of the line is always at pixel boundary.
// On integer thickness both sides of the line are on pixel boundary.
const float screen_thickness = thickness / _FringeScale;
@@ -877,8 +877,8 @@ void ImDrawList::_AddPolyline(const ImVec2* points, ImVec2* normals, float* sqr_
float thickness0 = (thickness + fringe) * 0.5f; // Center (or legacy)
if (stroke_pos == ImDrawFlags_StrokeOutside)
thickness0 = thickness + fringe * 0.5f;
else if (stroke_pos == ImDrawFlags_StrokeCenterPixelAligned)
thickness0 = CalculateCenterPixelAlignedOffset(thickness, _FringeScale) + fringe * 0.5f;
else if (stroke_pos == ImDrawFlags_StrokeCenterAligned)
thickness0 = CalculateCenterAlignedOffset(thickness, _FringeScale) + fringe * 0.5f;
else if (stroke_pos == ImDrawFlags_StrokeInside)
thickness0 = fringe * 0.5f;
float thickness1 = (thickness + fringe) - thickness0;
@@ -2137,8 +2137,8 @@ void ImDrawList::AddLineH(float min_x, float max_x, float y, ImU32 col, float th
float top_y = y; // Inside
if (stroke_pos == ImDrawFlags_StrokeCenter)
top_y -= thickness * 0.5f;
else if (stroke_pos == ImDrawFlags_StrokeCenterPixelAligned)
top_y -= CalculateCenterPixelAlignedOffset(thickness, _FringeScale);
else if (stroke_pos == ImDrawFlags_StrokeCenterAligned)
top_y -= CalculateCenterAlignedOffset(thickness, _FringeScale);
else if (stroke_pos == ImDrawFlags_StrokeOutside)
top_y -= thickness;
@@ -2176,8 +2176,8 @@ void ImDrawList::AddLineV(float x, float min_y, float max_y, ImU32 col, float th
float left_x = x; // Inside
if (stroke_pos == ImDrawFlags_StrokeCenter)
left_x -= thickness * 0.5f;
else if (stroke_pos == ImDrawFlags_StrokeCenterPixelAligned)
left_x -= CalculateCenterPixelAlignedOffset(thickness, _FringeScale);
else if (stroke_pos == ImDrawFlags_StrokeCenterAligned)
left_x -= CalculateCenterAlignedOffset(thickness, _FringeScale);
else if (stroke_pos == ImDrawFlags_StrokeOutside)
left_x -= thickness;
@@ -2460,8 +2460,8 @@ void ImDrawList::AddRect(const ImVec2& p_min, const ImVec2& p_max, ImU32 col, fl
float offset = 0.0f; // Inside
if (stroke_pos == ImDrawFlags_StrokeCenter)
offset = thickness * 0.5f;
else if (stroke_pos == ImDrawFlags_StrokeCenterPixelAligned)
offset = CalculateCenterPixelAlignedOffset(thickness, _FringeScale);
else if (stroke_pos == ImDrawFlags_StrokeCenterAligned)
offset = CalculateCenterAlignedOffset(thickness, _FringeScale);
else if (stroke_pos == ImDrawFlags_StrokeOutside)
offset = thickness;
outer_min.x -= offset;
@@ -2737,8 +2737,8 @@ void ImDrawList::AddCircle(const ImVec2& center, float radius, ImU32 col, int nu
float outer_radius = radius;
if (stroke_pos == ImDrawFlags_StrokeCenter)
outer_radius = radius + thickness * 0.5f;
else if (stroke_pos == ImDrawFlags_StrokeCenterPixelAligned)
outer_radius = radius + CalculateCenterPixelAlignedOffset(thickness, _FringeScale);
else if (stroke_pos == ImDrawFlags_StrokeCenterAligned)
outer_radius = radius + CalculateCenterAlignedOffset(thickness, _FringeScale);
else if (stroke_pos == ImDrawFlags_StrokeInside)
outer_radius = radius;
else if (stroke_pos == ImDrawFlags_StrokeOutside)
@@ -2822,8 +2822,8 @@ void ImDrawList::AddNgon(const ImVec2& center, float radius, ImU32 col, int num_
float outer_radius = radius;
if (stroke_pos == ImDrawFlags_StrokeCenter)
outer_radius = radius + miter_thickness * 0.5f;
else if (stroke_pos == ImDrawFlags_StrokeCenterPixelAligned)
outer_radius = radius + CalculateCenterPixelAlignedOffset(miter_thickness, _FringeScale);
else if (stroke_pos == ImDrawFlags_StrokeCenterAligned)
outer_radius = radius + CalculateCenterAlignedOffset(miter_thickness, _FringeScale);
else if (stroke_pos == ImDrawFlags_StrokeInside)
outer_radius = radius;
else if (stroke_pos == ImDrawFlags_StrokeOutside)