initial commit, 4.5 stable

thirdparty/msdfgen/core/Bitmap.hpp

@@ -0,0 +1,117 @@
+
+#include "Bitmap.h"
+
+#include <cstdlib>
+#include <cstring>
+
+namespace msdfgen {
+
+template <typename T, int N>
+Bitmap<T, N>::Bitmap() : pixels(NULL), w(0), h(0) { }
+
+template <typename T, int N>
+Bitmap<T, N>::Bitmap(int width, int height) : w(width), h(height) {
+    pixels = new T[N*w*h];
+}
+
+template <typename T, int N>
+Bitmap<T, N>::Bitmap(const BitmapConstRef<T, N> &orig) : w(orig.width), h(orig.height) {
+    pixels = new T[N*w*h];
+    memcpy(pixels, orig.pixels, sizeof(T)*N*w*h);
+}
+
+template <typename T, int N>
+Bitmap<T, N>::Bitmap(const Bitmap<T, N> &orig) : w(orig.w), h(orig.h) {
+    pixels = new T[N*w*h];
+    memcpy(pixels, orig.pixels, sizeof(T)*N*w*h);
+}
+
+#ifdef MSDFGEN_USE_CPP11
+template <typename T, int N>
+Bitmap<T, N>::Bitmap(Bitmap<T, N> &&orig) : pixels(orig.pixels), w(orig.w), h(orig.h) {
+    orig.pixels = NULL;
+    orig.w = 0, orig.h = 0;
+}
+#endif
+
+template <typename T, int N>
+Bitmap<T, N>::~Bitmap() {
+    delete [] pixels;
+}
+
+template <typename T, int N>
+Bitmap<T, N> &Bitmap<T, N>::operator=(const BitmapConstRef<T, N> &orig) {
+    if (pixels != orig.pixels) {
+        delete [] pixels;
+        w = orig.width, h = orig.height;
+        pixels = new T[N*w*h];
+        memcpy(pixels, orig.pixels, sizeof(T)*N*w*h);
+    }
+    return *this;
+}
+
+template <typename T, int N>
+Bitmap<T, N> &Bitmap<T, N>::operator=(const Bitmap<T, N> &orig) {
+    if (this != &orig) {
+        delete [] pixels;
+        w = orig.w, h = orig.h;
+        pixels = new T[N*w*h];
+        memcpy(pixels, orig.pixels, sizeof(T)*N*w*h);
+    }
+    return *this;
+}
+
+#ifdef MSDFGEN_USE_CPP11
+template <typename T, int N>
+Bitmap<T, N> &Bitmap<T, N>::operator=(Bitmap<T, N> &&orig) {
+    if (this != &orig) {
+        delete [] pixels;
+        pixels = orig.pixels;
+        w = orig.w, h = orig.h;
+        orig.pixels = NULL;
+    }
+    return *this;
+}
+#endif
+
+template <typename T, int N>
+int Bitmap<T, N>::width() const {
+    return w;
+}
+
+template <typename T, int N>
+int Bitmap<T, N>::height() const {
+    return h;
+}
+
+template <typename T, int N>
+T *Bitmap<T, N>::operator()(int x, int y) {
+    return pixels+N*(w*y+x);
+}
+
+template <typename T, int N>
+const T *Bitmap<T, N>::operator()(int x, int y) const {
+    return pixels+N*(w*y+x);
+}
+
+template <typename T, int N>
+Bitmap<T, N>::operator T *() {
+    return pixels;
+}
+
+template <typename T, int N>
+Bitmap<T, N>::operator const T *() const {
+    return pixels;
+}
+
+template <typename T, int N>
+Bitmap<T, N>::operator BitmapRef<T, N>() {
+    return BitmapRef<T, N>(pixels, w, h);
+}
+
+template <typename T, int N>
+Bitmap<T, N>::operator BitmapConstRef<T, N>() const {
+    return BitmapConstRef<T, N>(pixels, w, h);
+}
+
+}