void Gosu::saveImageFile(const Gosu::Bitmap& bitmap, Gosu::Writer writer, const std::wstring& formatHint) { unsigned char* rgba = const_cast<unsigned char*>(reinterpret_cast<const unsigned char*>(bitmap.data())); // TODO: Use the new *_to_func functions in stb_imagewrite.h instead: // https://github.com/nothings/stb/blob/master/stb_image_write.h#L39 int length; unsigned char* png = stbi_write_png_to_mem(rgba, 0, bitmap.width(), bitmap.height(), 4, &length); if (png == 0) throw std::runtime_error("Could not save image data to memory"); try { writer.write(png, length); } catch (...) { STBIW_FREE(png); throw; } STBIW_FREE(png); }
void Gosu::saveImageFile(const Gosu::Bitmap& bitmap, Gosu::Writer writer, const std::wstring& formatHint) { unsigned char* rgba = const_cast<unsigned char*>(reinterpret_cast<const unsigned char*>(bitmap.data())); int length; unsigned char* png = stbi_write_png_to_mem(rgba, 0, bitmap.width(), bitmap.height(), 4, &length); if (png == 0) throw std::runtime_error("Could not save image data to memory"); try { writer.write(png, length); } catch (...) { STBIW_FREE(png); throw; } STBIW_FREE(png); }