diff options
Diffstat (limited to 'src/libjin/graphics/bitmap.cpp')
-rw-r--r-- | src/libjin/graphics/bitmap.cpp | 348 |
1 files changed, 174 insertions, 174 deletions
diff --git a/src/libjin/graphics/bitmap.cpp b/src/libjin/graphics/bitmap.cpp index cae6f0b..b038d6c 100644 --- a/src/libjin/graphics/bitmap.cpp +++ b/src/libjin/graphics/bitmap.cpp @@ -12,178 +12,178 @@ using namespace JinEngine::Math; namespace JinEngine { - namespace Graphics - { - - Bitmap* Bitmap::clone() - { - Bitmap* b = new Bitmap(this); - return b; - } - - Bitmap::Bitmap() - : width(0) - , height(0) - , pixels(nullptr) - { - } - - Bitmap::Bitmap(unsigned w, unsigned h) - { - width = w; - height = h; - pixels = new Color[w*h]; - if (pixels == nullptr) - throw Exception("No enough memory."); - } - - Bitmap::Bitmap(const char* path) - { - AssetDatabase* ad = AssetDatabase::get(); - Buffer buffer; - ad->read(path, buffer); - new (this) Bitmap(&buffer, buffer.size()); - } - - Bitmap::Bitmap(const void* pix, unsigned w, unsigned h) - { - new (this) Bitmap(w, h); - memcpy(pixels, pix, w * h * sizeof(Color)); - } - - Bitmap::Bitmap(const void* imgData, size_t size) - { - if (imgData == nullptr) - return; - int w, h; - void* data = stbi_load_from_memory((unsigned char *)imgData, size, &w, &h, NULL, STBI_rgb_alpha); - if (data == nullptr) - { - throw Exception("Could not create bitmap from image data."); - return; - } - new (this) Bitmap(); - pixels = (Color*)data; - width = w; - height = h; - } - - Bitmap::Bitmap(int w, int h, Color color) - { - new (this) Bitmap(w, h); - if (color != Color::BLACK) - setPixels(color); - } - - Bitmap::Bitmap(int w, int h, std::function<Color(int, int, int, int)> drawer) - { - new (this) Bitmap(w, h); - for (int y = 0; y < height; ++y) - { - for (int x = 0; x < width; ++x) - { - Color c = drawer(width, height, x, y); - setPixel(c, x, y); - } - } - } - - Bitmap::Bitmap(const Bitmap* bitmap) - { - new (this) Bitmap(); - int w = bitmap->getWidth(); - int h = bitmap->getHeight(); - resetPixels(bitmap->getPixels(), w, h); - } - - Bitmap::~Bitmap() - { - stbi_image_free(pixels); - } - - void Bitmap::bind(Color* p, int w, int h) - { - if (pixels != nullptr) - delete[] pixels; - pixels = p; - width = w; - height = h; - } - - void Bitmap::resetPixels(const Color* p, int w, int h) - { - if (pixels != nullptr) - delete[] pixels; - pixels = new Color[w*h]; - if (pixels == nullptr) - throw Exception("Not enough memory."); - size_t s = w * h * sizeof(Color); - memcpy(pixels, p, s); - width = w; - height = h; - } - - void Bitmap::setPixel(const Color& c, int x, int y) - { - if (pixels == nullptr) - throw Exception("Bitmap don't have pixel space."); - if (without<int>(x, 0, width - 1) || without<int>(y, 0, height - 1)) - return; - if (x + y * width >= width * height) - throw Exception("Pixel <%d, %d> of bitmap is out of range.", x, y); - pixels[x + y * width] = c; - } - - void Bitmap::resetPixels(const Color& c, int w, int h) - { - if (pixels != nullptr) - delete[] pixels; - pixels = new Color[w*h]; - if (pixels == nullptr) - throw Exception("Not enough memory."); - width = w; - height = h; - for (int x = 0; x < w; ++x) - { - for (int y = 0; y < h; ++y) - { - pixels[x + y * w] = c; - } - } - } - - void Bitmap::setPixels(Color* p, int count) - { - if (count > width * height) - throw Exception("Pixels are out of range."); - size_t s = width * height * sizeof(Color); - memcpy(pixels, p, s); - } - - void Bitmap::setPixels(Color c) - { - for (int x = 0; x < width; ++x) - { - for (int y = 0; y < height; ++y) - { - pixels[x + y * width] = c; - } - } - } - - Color Bitmap::getPixel(int x, int y) - { - if (pixels == nullptr) - return Color::BLACK; - if (without<int>(x, 0, width - 1) || without<int>(y, 0, height - 1)) - return Color::BLACK; - return pixels[x + y * width]; - } - - const Color* Bitmap::getPixels() const - { - return pixels; - } - - } // namespace Graphics + namespace Graphics + { + + Bitmap* Bitmap::clone() + { + Bitmap* b = new Bitmap(this); + return b; + } + + Bitmap::Bitmap() + : width(0) + , height(0) + , pixels(nullptr) + { + } + + Bitmap::Bitmap(unsigned w, unsigned h) + { + width = w; + height = h; + pixels = new Color[w*h]; + if (pixels == nullptr) + throw Exception("No enough memory."); + } + + Bitmap::Bitmap(const char* path) + { + AssetDatabase* ad = AssetDatabase::get(); + Buffer buffer; + ad->read(path, buffer); + new (this) Bitmap(&buffer, buffer.size()); + } + + Bitmap::Bitmap(const void* pix, unsigned w, unsigned h) + { + new (this) Bitmap(w, h); + memcpy(pixels, pix, w * h * sizeof(Color)); + } + + Bitmap::Bitmap(const void* imgData, size_t size) + { + if (imgData == nullptr) + return; + int w, h; + void* data = stbi_load_from_memory((unsigned char *)imgData, size, &w, &h, NULL, STBI_rgb_alpha); + if (data == nullptr) + { + throw Exception("Could not create bitmap from image data."); + return; + } + new (this) Bitmap(); + pixels = (Color*)data; + width = w; + height = h; + } + + Bitmap::Bitmap(int w, int h, Color color) + { + new (this) Bitmap(w, h); + if (color != Color::BLACK) + setPixels(color); + } + + Bitmap::Bitmap(int w, int h, std::function<Color(int, int, int, int)> drawer) + { + new (this) Bitmap(w, h); + for (int y = 0; y < height; ++y) + { + for (int x = 0; x < width; ++x) + { + Color c = drawer(width, height, x, y); + setPixel(c, x, y); + } + } + } + + Bitmap::Bitmap(const Bitmap* bitmap) + { + new (this) Bitmap(); + int w = bitmap->getWidth(); + int h = bitmap->getHeight(); + resetPixels(bitmap->getPixels(), w, h); + } + + Bitmap::~Bitmap() + { + stbi_image_free(pixels); + } + + void Bitmap::bind(Color* p, int w, int h) + { + if (pixels != nullptr) + delete[] pixels; + pixels = p; + width = w; + height = h; + } + + void Bitmap::resetPixels(const Color* p, int w, int h) + { + if (pixels != nullptr) + delete[] pixels; + pixels = new Color[w*h]; + if (pixels == nullptr) + throw Exception("Not enough memory."); + size_t s = w * h * sizeof(Color); + memcpy(pixels, p, s); + width = w; + height = h; + } + + void Bitmap::setPixel(const Color& c, int x, int y) + { + if (pixels == nullptr) + throw Exception("Bitmap don't have pixel space."); + if (without<int>(x, 0, width - 1) || without<int>(y, 0, height - 1)) + return; + if (x + y * width >= width * height) + throw Exception("Pixel <%d, %d> of bitmap is out of range.", x, y); + pixels[x + y * width] = c; + } + + void Bitmap::resetPixels(const Color& c, int w, int h) + { + if (pixels != nullptr) + delete[] pixels; + pixels = new Color[w*h]; + if (pixels == nullptr) + throw Exception("Not enough memory."); + width = w; + height = h; + for (int x = 0; x < w; ++x) + { + for (int y = 0; y < h; ++y) + { + pixels[x + y * w] = c; + } + } + } + + void Bitmap::setPixels(Color* p, int count) + { + if (count > width * height) + throw Exception("Pixels are out of range."); + size_t s = width * height * sizeof(Color); + memcpy(pixels, p, s); + } + + void Bitmap::setPixels(Color c) + { + for (int x = 0; x < width; ++x) + { + for (int y = 0; y < height; ++y) + { + pixels[x + y * width] = c; + } + } + } + + Color Bitmap::getPixel(int x, int y) + { + if (pixels == nullptr) + return Color::BLACK; + if (without<int>(x, 0, width - 1) || without<int>(y, 0, height - 1)) + return Color::BLACK; + return pixels[x + y * width]; + } + + const Color* Bitmap::getPixels() const + { + return pixels; + } + + } // namespace Graphics } // namespace JinEngine
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