/**
* Returns an image resource.
*
* @param fileName The filename of the image.
*
* @return The image.
*
* @throw ResourceNotLoadedExcpetion
*/
ImageResource* ResourceManager::image(std::string fileName) {
std::string id = ImageResource::createID(fileName);
if (!hasResource(id)) {
ImageResource* res = ImageResource::open(fileName);
insertResource(res->getName(), res);
return res;
} else {
return static_cast<ImageResource*>(getResource(id));
}
}
/**
* Returns an image resource. The image will be scaled and rotated.
*
* @param fileName The filename of the image.
* @param width The width of the image.
* @param height The height of the image.
* @param keepRatio True if to keep the aspect ratio of the original image.
* It is possible that the width or height of the image will be less than the given values.
* @param angle The angle of the rotation (in degrees).
*
* @return The image.
*
* @throw ResourceNotLoadedExcpetion
*/
ImageResource* ResourceManager::image(std::string fileName, int width,
int height, bool keepRatio, int angle) {
std::string id = ImageResource::createID(fileName, width, height, keepRatio, angle);
if (!hasResource(id)) {
ImageResource* res = image(fileName);
ImageResource* scaled = res->scaleAndRotate(width, height, keepRatio, angle);
free(res);
insertResource(scaled->getName(), scaled);
return scaled;
} else {
return static_cast<ImageResource*>(getResource(id));
}
}
