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48 lines
2.1 KiB
C++
48 lines
2.1 KiB
C++
#include <cstdio>
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#include <cmath>
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#include "starlight/datatypes/Color.h"
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#include "starlight/GFXManager.h"
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#include "DrawableNinePatch.h"
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using starlight::Vector2;
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using starlight::VRect;
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using starlight::Color;
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using starlight::GFXManager;
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using starlight::gfx::DrawableNinePatch;
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using starlight::gfx::RenderCore;
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using starlight::gfx::CRenderTarget;
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void DrawableNinePatch::Draw(const VRect& rect, OptRef<VRect> sampleRect, OptRef<Color> color, BlendMode mode) {
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if (GFXManager::PrepareForDrawing()) {
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texture->Bind(color ? color.get() : Color(1,1,1,1), mode);
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VRect rr = rect.IntSnap();
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const VRect& sr = (sampleRect ? sampleRect.get() : VRect(Vector2::zero, texture->size)).IntSnap();
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// here comes the fun, doo doot doo doo~
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Vector2 m = Vector2::one / texture->txSize;
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// top left
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RenderCore::DrawQuad(rr.TopEdge(margin.y).LeftEdge(margin.x), sr.TopEdge(margin.y).LeftEdge(margin.x) * m);
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// top
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RenderCore::DrawQuad(rr.TopEdge(margin.y).Expand(-margin.x, 0), sr.TopEdge(margin.y).Expand(-margin.x, 0) * m);
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// top right
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RenderCore::DrawQuad(rr.TopEdge(margin.y).RightEdge(margin.x), sr.TopEdge(margin.y).RightEdge(margin.x) * m);
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// left
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RenderCore::DrawQuad(rr.Expand(0, -margin.y).LeftEdge(margin.x), sr.Expand(0, -margin.y).LeftEdge(margin.x) * m);
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// center
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RenderCore::DrawQuad(rr.Expand(-margin.x, -margin.y), sr.Expand(-margin.x, -margin.y) * m);
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// right
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RenderCore::DrawQuad(rr.Expand(0, -margin.y).RightEdge(margin.x), sr.Expand(0, -margin.y).RightEdge(margin.x) * m);
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// bottom left
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RenderCore::DrawQuad(rr.BottomEdge(margin.y).LeftEdge(margin.x), sr.BottomEdge(margin.y).LeftEdge(margin.x) * m);
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// bottom
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RenderCore::DrawQuad(rr.BottomEdge(margin.y).Expand(-margin.x, 0), sr.BottomEdge(margin.y).Expand(-margin.x, 0) * m);
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// bottom right
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RenderCore::DrawQuad(rr.BottomEdge(margin.y).RightEdge(margin.x), sr.BottomEdge(margin.y).RightEdge(margin.x) * m);
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// probably could be done with a bit less math, but preoptimization etc. etc.
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}
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}//*/
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