ofxMsdfgen/libs/msdf-atlas-gen/include/msdfgen/core/BitmapRef.hpp

43 lines
1.2 KiB
C++

#pragma once
#include <cstdlib>
namespace msdfgen {
typedef unsigned char byte;
/// Reference to a 2D image bitmap or a buffer acting as one. Pixel storage not owned or managed by the object.
template <typename T, int N = 1>
struct BitmapRef {
T *pixels;
int width, height;
inline BitmapRef() : pixels(NULL), width(0), height(0) { }
inline BitmapRef(T *pixels, int width, int height) : pixels(pixels), width(width), height(height) { }
inline T * operator()(int x, int y) const {
return pixels+N*(width*y+x);
}
};
/// Constant reference to a 2D image bitmap or a buffer acting as one. Pixel storage not owned or managed by the object.
template <typename T, int N = 1>
struct BitmapConstRef {
const T *pixels;
int width, height;
inline BitmapConstRef() : pixels(NULL), width(0), height(0) { }
inline BitmapConstRef(const T *pixels, int width, int height) : pixels(pixels), width(width), height(height) { }
inline BitmapConstRef(const BitmapRef<T, N> &orig) : pixels(orig.pixels), width(orig.width), height(orig.height) { }
inline const T * operator()(int x, int y) const {
return pixels+N*(width*y+x);
}
};
}