Move source/Irrlicht/ to src/

src/CGUIImageList.cpp

@@ -0,0 +1,84 @@
+// This file is part of the "Irrlicht Engine".
+// written by Reinhard Ostermeier, reinhard@nospam.r-ostermeier.de
+// modified by Thomas Alten
+
+#include "CGUIImageList.h"
+
+namespace irr
+{
+namespace gui
+{
+
+//! constructor
+CGUIImageList::CGUIImageList(video::IVideoDriver *driver) :
+		Driver(driver),
+		Texture(0),
+		ImageCount(0),
+		ImageSize(0, 0),
+		ImagesPerRow(0),
+		UseAlphaChannel(false)
+{
+#ifdef _DEBUG
+	setDebugName("CGUIImageList");
+#endif
+
+	if (Driver) {
+		Driver->grab();
+	}
+}
+
+//! destructor
+CGUIImageList::~CGUIImageList()
+{
+	if (Driver) {
+		Driver->drop();
+	}
+
+	if (Texture) {
+		Texture->drop();
+	}
+}
+
+//! Creates the image list from texture.
+bool CGUIImageList::createImageList(video::ITexture *texture,
+		core::dimension2d<s32> imageSize,
+		bool useAlphaChannel)
+{
+	if (!texture) {
+		return false;
+	}
+
+	Texture = texture;
+	Texture->grab();
+
+	ImageSize = imageSize;
+
+	ImagesPerRow = Texture->getSize().Width / ImageSize.Width;
+	ImageCount = ImagesPerRow * Texture->getSize().Height / ImageSize.Height;
+
+	UseAlphaChannel = useAlphaChannel;
+
+	return true;
+}
+
+//! Draws an image and clips it to the specified rectangle if wanted
+void CGUIImageList::draw(s32 index, const core::position2d<s32> &destPos,
+		const core::rect<s32> *clip /*= 0*/)
+{
+	core::rect<s32> sourceRect;
+
+	if (!Driver || index < 0 || index >= ImageCount) {
+		return;
+	}
+
+	sourceRect.UpperLeftCorner.X = (index % ImagesPerRow) * ImageSize.Width;
+	sourceRect.UpperLeftCorner.Y = (index / ImagesPerRow) * ImageSize.Height;
+	sourceRect.LowerRightCorner.X = sourceRect.UpperLeftCorner.X + ImageSize.Width;
+	sourceRect.LowerRightCorner.Y = sourceRect.UpperLeftCorner.Y + ImageSize.Height;
+
+	Driver->draw2DImage(Texture, destPos, sourceRect, clip,
+			video::SColor(255, 255, 255, 255), UseAlphaChannel);
+}
+
+} // end namespace gui
+} // end namespace irr