info = CGImageGetBitmapInfo(ref);
alphaInfo = CGImageGetAlphaInfo(ref);
colorSpace = CGImageGetColorSpace(ref);
+ bitsPerComponent = CGImageGetBitsPerComponent(ref);
dataRef = CGDataProviderCopyData(CGImageGetDataProvider(ref));
CGImageRelease(ref);
GLfloat Image::height() const { return _height; }
// TODO: Properly implement this for both internal format + format
-GLuint Image::format() const {
+GLenum Image::format() const {
if (CGColorSpaceGetModel(colorSpace) == kCGColorSpaceModelMonochrome) {
return GL_DEPTH_COMPONENT;
}
return GL_RGBA;
}
+GLint Image::internalFormat() const {
+ switch (format()) {
+ case GL_DEPTH_COMPONENT: return GL_DEPTH_COMPONENT;
+ case GL_RGB: return GL_RGB;
+ default: return GL_RGBA;
+ }
+}
+
+GLenum Image::type() const {
+ bool isFloat = info & kCGBitmapFloatComponents;
+ if (isFloat) return GL_FLOAT;
+ return GL_UNSIGNED_BYTE;
+
+ //TODO:
+ /* switch (bitsPerComponent) { */
+ /* case 1: return GL_UNSIGNED_BYTE; */
+ /* case 16: return GL_UNSIGNED_SHORT; */
+ /* case 24: */
+}
+
Image::~Image() { CFRelease(dataRef); }