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godotengine
GitHub Repository: godotengine/godot
 Path: blob/master/thirdparty/msdfgen/core/Bitmap.hpp
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#include "Bitmap.h"

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#include <cstdlib>

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#include <cstring>

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namespace msdfgen {

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template <typename T, int N>

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Bitmap<T, N>::Bitmap() : pixels(NULL), w(0), h(0) { }

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template <typename T, int N>

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Bitmap<T, N>::Bitmap(int width, int height) : w(width), h(height) {

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    pixels = new T[N*w*h];

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}

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template <typename T, int N>

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Bitmap<T, N>::Bitmap(const BitmapConstRef<T, N> &orig) : w(orig.width), h(orig.height) {

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    pixels = new T[N*w*h];

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    memcpy(pixels, orig.pixels, sizeof(T)*N*w*h);

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}

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template <typename T, int N>

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Bitmap<T, N>::Bitmap(const Bitmap<T, N> &orig) : w(orig.w), h(orig.h) {

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    pixels = new T[N*w*h];

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    memcpy(pixels, orig.pixels, sizeof(T)*N*w*h);

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}

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#ifdef MSDFGEN_USE_CPP11

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template <typename T, int N>

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Bitmap<T, N>::Bitmap(Bitmap<T, N> &&orig) : pixels(orig.pixels), w(orig.w), h(orig.h) {

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    orig.pixels = NULL;

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    orig.w = 0, orig.h = 0;

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}

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#endif

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template <typename T, int N>

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Bitmap<T, N>::~Bitmap() {

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    delete [] pixels;

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}

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template <typename T, int N>

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Bitmap<T, N> &Bitmap<T, N>::operator=(const BitmapConstRef<T, N> &orig) {

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    if (pixels != orig.pixels) {

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        delete [] pixels;

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        w = orig.width, h = orig.height;

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        pixels = new T[N*w*h];

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        memcpy(pixels, orig.pixels, sizeof(T)*N*w*h);

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    }

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    return *this;

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}

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template <typename T, int N>

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Bitmap<T, N> &Bitmap<T, N>::operator=(const Bitmap<T, N> &orig) {

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    if (this != &orig) {

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        delete [] pixels;

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        w = orig.w, h = orig.h;

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        pixels = new T[N*w*h];

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        memcpy(pixels, orig.pixels, sizeof(T)*N*w*h);

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    }

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    return *this;

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}

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#ifdef MSDFGEN_USE_CPP11

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template <typename T, int N>

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Bitmap<T, N> &Bitmap<T, N>::operator=(Bitmap<T, N> &&orig) {

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    if (this != &orig) {

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        delete [] pixels;

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        pixels = orig.pixels;

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        w = orig.w, h = orig.h;

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        orig.pixels = NULL;

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    }

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    return *this;

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}

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#endif

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template <typename T, int N>

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int Bitmap<T, N>::width() const {

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    return w;

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}

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template <typename T, int N>

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int Bitmap<T, N>::height() const {

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    return h;

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}

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template <typename T, int N>

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T *Bitmap<T, N>::operator()(int x, int y) {

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    return pixels+N*(w*y+x);

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}

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template <typename T, int N>

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const T *Bitmap<T, N>::operator()(int x, int y) const {

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    return pixels+N*(w*y+x);

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}

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template <typename T, int N>

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Bitmap<T, N>::operator T *() {

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    return pixels;

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}

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template <typename T, int N>

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Bitmap<T, N>::operator const T *() const {

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    return pixels;

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}

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template <typename T, int N>

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Bitmap<T, N>::operator BitmapRef<T, N>() {

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    return BitmapRef<T, N>(pixels, w, h);

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}

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template <typename T, int N>

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Bitmap<T, N>::operator BitmapConstRef<T, N>() const {

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    return BitmapConstRef<T, N>(pixels, w, h);

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}

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}

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