Added Image::getImagePart

Core/Contents/Include/PolyImage.h

@@ -218,9 +218,20 @@ namespace Polycode {
 			* @param x X position of the area to return.
 			* @param y Y position of the area to return.
 			* @param width Width of the area to return.
-			* @param height Height of the area to return.					
+			* @param height Height of the area to return.
+			* @return Raw image data, in the format specified by the constructor.
 			*/			
 			char *getPixelsInRect(unsigned int x, unsigned int y, unsigned int width, unsigned int height);
+
+			/**
+			* Returns a copy of the specified subRect part of the image.
+			*
+			* @param subRect The part of the image to copy. (0, 0) refers to the top left of the image.
+			* @return A pointer to an Image object allocated with new. You have to manually delete this
+			*         object using free.
+			*/
+			Image *getImagePart(PolyRectangle subRect);
+			
 			
 			/**
 			* Returns the x position of the brush.
@@ -250,7 +261,7 @@ namespace Polycode {
 			
 			/**
 			* Returns the raw image data
-			* @return Pointer to raw image data.
+			* @return Pointer to raw image data, in the format specified by the constructor.
 			*/						
 			char *getPixels();
 			

Core/Contents/Source/PolyImage.cpp

@@ -147,6 +147,11 @@ char *Image::getPixelsInRect(unsigned int x, unsigned int y, unsigned int width,
 	return retBuf;
 }
 
+Image *Image::getImagePart(PolyRectangle subRect) {
+	char *newData = getPixelsInRect( (int) subRect.x, (int) subRect.y, (int) subRect.w, (int) subRect.h);
+	return new Image(newData, subRect.w, subRect.h, this->imageType);
+}
+
 
 Color Image::getPixel(int x, int y) {
 	if(x < 0 || x >= width || y < 0 || y >= height)