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Diffstat (limited to 'src/libjin/Graphics/je_bitmap.cpp')
| -rw-r--r-- | src/libjin/Graphics/je_bitmap.cpp | 188 |
1 files changed, 0 insertions, 188 deletions
diff --git a/src/libjin/Graphics/je_bitmap.cpp b/src/libjin/Graphics/je_bitmap.cpp deleted file mode 100644 index cdab46d..0000000 --- a/src/libjin/Graphics/je_bitmap.cpp +++ /dev/null @@ -1,188 +0,0 @@ -#define STB_IMAGE_IMPLEMENTATION -#include "stb/stb_image.h" - -#include "../common/je_exception.h" -#include "../filesystem/je_asset_database.h" -#include "../math/je_math.h" - -#include "je_bitmap.h" - -using namespace JinEngine::Filesystem; -using namespace JinEngine::Math; - -namespace JinEngine -{ - namespace Graphics - { - - Bitmap* Bitmap::createBitmap(const char* path) - { - AssetDatabase* ad = AssetDatabase::get(); - Buffer buffer; - ad->read(path, buffer); - return createBitmap(&buffer, buffer.size()); - } - - Bitmap* Bitmap::createBitmap(const void* pixel, unsigned width, unsigned height) - { - Bitmap* bitmap = new Bitmap(width, height); - memcpy(bitmap->pixels, pixel, width*height * sizeof(Color)); - return bitmap; - } - - /*static*/ Bitmap* Bitmap::createBitmap(const void* imgData, size_t size) - { - if (imgData == nullptr) - return nullptr; - 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 nullptr; - } - Bitmap* bitmap = new Bitmap(); - bitmap->pixels = (Color*)data; - bitmap->width = w; - bitmap->height = h; - return bitmap; - } - - /*static*/ Bitmap* Bitmap::createBitmap(int w, int h, Color color) - { - Bitmap* bitmap = new Bitmap(w, h); - if (color != Color::BLACK) - bitmap->setPixels(color); - return bitmap; - } - - /*static*/ Bitmap* Bitmap::createBitmap(int width, int height, std::function<Color(int, int, int, int)> drawer) - { - Bitmap* bitmap = new Bitmap(width, height); - for (int y = 0; y < height; ++y) - { - for (int x = 0; x < width; ++x) - { - Color c = drawer(width, height, x, y); - bitmap->setPixel(c, x, y); - } - } - return bitmap; - } - - /*static */ Bitmap* Bitmap::clone(const Bitmap* bitmap) - { - Bitmap* b = new Bitmap(); - int w = bitmap->getWidth(); - int h = bitmap->getHeight(); - b->resetPixels(bitmap->getPixels(), w, h); - 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() - { - 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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