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Add support for rotated gradients

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tobid7
2026-04-18 14:33:31 +02:00
parent 6dbf5a4812
commit b99fc39444
5 changed files with 136 additions and 2 deletions
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14
include/pd/core/color.hpp
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@@ -121,6 +121,20 @@ class PD_API Color {
return *this;
}
/**
* Lerp
* @param v Target color
* @param t interpolation factor
* @return Class Reference
*/
constexpr Color& Lerp(const Color& v, float t) {
a = static_cast<u8>(a + (v.a - a) * t);
b = static_cast<u8>(b + (v.b - b) * t);
g = static_cast<u8>(g + (v.g - g) * t);
r = static_cast<u8>(r + (v.r - r) * t);
return *this;
}
/**
* Get 32Bit Color Value
* @return 32Bit Color Value (ABGR iirc)

5
include/pd/lithium/drawlist.hpp
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@@ -26,6 +26,7 @@ using LiDrawFlags = PD::u32;
enum LiDrawFlags_ : PD::u32 {
LiDrawFlags_None = 0,
LiDrawFlags_Close = 1 << 0,
LiDrawFlags_AA = 1 << 1,
};
namespace PD {
@@ -58,6 +59,8 @@ class PD_API Drawlist {
void PathStroke(const PD::Color& color, int t = 1,
LiDrawFlags flags = LiDrawFlags_None);
void PathFill(const PD::Color& color);
void PathFillGradient(const PD::Color& a, const PD::Color& b,
float rad = 0.f);
void PathArcToN(const fvec2& c, float r, float amin, float amax, int s);
void PathFastArcToN(const fvec2& c, float r, float amin, float amax, int s);
void PathRect(const fvec2& tl, const fvec2& br, float r = 0.f);
@@ -97,6 +100,8 @@ class PD_API Drawlist {
void DrawPolyLine(const Pool<fvec2>& points, const PD::Color& color,
LiDrawFlags flags = LiDrawFlags_None, int t = 1);
void DrawConvexPolyFilled(const Pool<fvec2>& points, const PD::Color& color);
void DrawConvexPolyFilled(const Pool<fvec2>& points, const PD::Color& a,
const PD::Color b, float rad = 0.f);
void PrimQuad(Command& cmd, const Rect& quad, const Rect& uv,
const PD::Color& color);