2960e0f58f
Namely:
- [[deprecated("Use operator+(Vec2)")]]
- [[deprecated("Use operator-(Vec2)")]]
- [[deprecated("Use video")]]
- [[deprecated("Use persistentVideo")]]
- [[deprecated("Use wrapVideo")]]
39 lines
780 B
C++
39 lines
780 B
C++
#pragma once
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#include "Brush.h"
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#include <cmath>
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class TriangleBrush: public Brush
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{
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public:
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virtual ~TriangleBrush() override = default;
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std::unique_ptr<unsigned char []> GenerateBitmap() const override
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{
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ui::Point size = radius * 2 + Vec2{ 1, 1 };
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auto bitmap = std::make_unique<unsigned char []>(size.X * size.Y);
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int rx = radius.X;
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int ry = radius.Y;
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for(int x = -rx; x <= rx; x++)
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{
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for(int y = -ry; y <= ry; y++)
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{
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if ((abs((rx+2*x)*ry+rx*y) + abs(2*rx*(y-ry)) + abs((rx-2*x)*ry+rx*y))<=(4*rx*ry))
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{
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bitmap[(y+ry)*(size.X)+x+rx] = 255;
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}
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else
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{
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bitmap[(y+ry)*(size.X)+x+rx] = 0;
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}
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}
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}
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return bitmap;
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}
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std::unique_ptr<Brush> Clone() const override
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{
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return std::make_unique<TriangleBrush>(*this);
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}
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};
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