Crop stamp thumbnails that don't fit even when resized

src/client/ThumbnailRendererTask.cpp

@@ -32,6 +32,16 @@ bool ThumbnailRendererTask::doWork()
 			int scale = scaleX > scaleY ? scaleX : scaleY;
 			int newWidth = thumbnail->Width / scale, newHeight = thumbnail->Height / scale;
 			thumbnail->Resize(newWidth, newHeight, true);
+			newWidth = thumbnail->Width;
+			newHeight = thumbnail->Height;
+			if (newWidth > Width || newHeight > Height)
+			{
+				auto croppedWidth = newWidth > Width ? Width : newWidth;
+				auto croppedHeight = newHeight > Height ? Height : newHeight;
+				thumbnail->Crop(croppedWidth, croppedHeight, (newWidth - croppedWidth) / 2, (newHeight - croppedHeight) / 2);
+				newWidth = thumbnail->Width;
+				newHeight = thumbnail->Height;
+			}
 			Width = newWidth;
 			Height = newHeight;
 		}

src/graphics/Graphics.cpp

@@ -36,12 +36,27 @@ VideoBuffer::VideoBuffer(VideoBuffer * old):
 	std::copy(old->Buffer, old->Buffer+(old->Width*old->Height), Buffer);
 };
 
-VideoBuffer::VideoBuffer(pixel * buffer, int width, int height):
+VideoBuffer::VideoBuffer(pixel * buffer, int width, int height, int pitch):
 	Width(width),
 	Height(height)
 {
 	Buffer = new pixel[width*height];
-	std::copy(buffer, buffer+(width*height), Buffer);
+	CopyData(buffer, width, height, pitch ? pitch : width);
+}
+
+void VideoBuffer::CopyData(pixel * buffer, int width, int height, int pitch)
+{
+	for (auto y = 0; y < height; ++y)
+	{
+		std::copy(buffer + y * pitch, buffer + y * pitch + width, Buffer + y * width);
+	}
+}
+
+void VideoBuffer::Crop(int width, int height, int x, int y)
+{
+	CopyData(Buffer + y * Width + x, width, height, Width);
+	Width = width;
+	Height = height;
 }
 
 void VideoBuffer::Resize(float factor, bool resample)

src/graphics/Graphics.h

@@ -19,10 +19,11 @@ public:
 
 	VideoBuffer(const VideoBuffer & old);
 	VideoBuffer(VideoBuffer * old);
-	VideoBuffer(pixel * buffer, int width, int height);
+	VideoBuffer(pixel * buffer, int width, int height, int pitch = 0);
 	VideoBuffer(int width, int height);
 	void Resize(float factor, bool resample = false);
 	void Resize(int width, int height, bool resample = false, bool fixedRatio = true);
+	void Crop(int width, int height, int x, int y);
 	TPT_INLINE void BlendPixel(int x, int y, int r, int g, int b, int a)
 	{
 	#ifdef PIX32OGL
@@ -85,6 +86,8 @@ public:
 	int BlendCharacter(int x, int y, String::value_type c, int r, int g, int b, int a);
 	int AddCharacter(int x, int y, String::value_type c, int r, int g, int b, int a);
 	~VideoBuffer();
+
+	void CopyData(pixel * buffer, int width, int height, int pitch);
 };
 
 class Graphics