| 1 | |
| 2 | #pragma once |
| 3 | |
| 4 | #include <cstdlib> |
| 5 | |
| 6 | namespace msdfgen { |
| 7 | |
| 8 | typedef unsigned char byte; |
| 9 | |
| 10 | /// Reference to a 2D image bitmap or a buffer acting as one. Pixel storage not owned or managed by the object. |
| 11 | template <typename T, int N = 1> |
| 12 | struct BitmapRef { |
| 13 | |
| 14 | T *pixels; |
| 15 | int width, height; |
| 16 | |
| 17 | inline BitmapRef() : pixels(NULL), width(0), height(0) { } |
| 18 | inline BitmapRef(T *pixels, int width, int height) : pixels(pixels), width(width), height(height) { } |
| 19 | |
| 20 | inline T * operator()(int x, int y) const { |
| 21 | return pixels+N*(width*y+x); |
| 22 | } |
| 23 | |
| 24 | }; |
| 25 | |
| 26 | /// Constant reference to a 2D image bitmap or a buffer acting as one. Pixel storage not owned or managed by the object. |
| 27 | template <typename T, int N = 1> |
| 28 | struct BitmapConstRef { |
| 29 | |
| 30 | const T *pixels; |
| 31 | int width, height; |
| 32 | |
| 33 | inline BitmapConstRef() : pixels(NULL), width(0), height(0) { } |
| 34 | inline BitmapConstRef(const T *pixels, int width, int height) : pixels(pixels), width(width), height(height) { } |
| 35 | inline BitmapConstRef(const BitmapRef<T, N> &orig) : pixels(orig.pixels), width(orig.width), height(orig.height) { } |
| 36 | |
| 37 | inline const T * operator()(int x, int y) const { |
| 38 | return pixels+N*(width*y+x); |
| 39 | } |
| 40 | |
| 41 | }; |
| 42 | |
| 43 | } |
| 44 | |