Irrlicht Engine

Code: Select all

Index: include/IVideoDriver.h
===================================================================
--- include/IVideoDriver.h	(revision 2023)
+++ include/IVideoDriver.h	(working copy)
@@ -569,7 +569,7 @@
 		virtual void draw2DRectangle(SColor color, const core::rect<s32>& pos,
 			const core::rect<s32>* clip = 0) = 0;
 
-		//! Draws an 2d rectangle with a gradient.
+		//! Draws a 2d rectangle with a gradient.
 		/** \param colorLeftUp Color of the upper left corner to draw.
 		The alpha component will not be ignored and specifies how
 		transparent the rectangle will be.
@@ -591,6 +591,15 @@
 				SColor colorLeftDown, SColor colorRightDown,
 				const core::rect<s32>* clip = 0) = 0;
 
+		//! Draws the outline of a 2D rectangle.
+		/** \param pos Position of the rectangle.
+		\param color Color of the rectangle to draw. The alpha
+		component will not be ignored and specifies how transparent the
+		rectangle outline will be.
+		*/
+		virtual void draw2DRectangleOutline(const core::recti& pos, 
+				SColor color=SColor(255,255,255,255)) = 0 ;
+
 		//! Draws a 2d line.
 		/** \param start: Screen coordinates of the start of the line
 		in pixels.
Index: include/rect.h
===================================================================
--- include/rect.h	(revision 2023)
+++ include/rect.h	(working copy)
@@ -252,6 +252,8 @@
 		position2d<T> LowerRightCorner;
 	};
 
+	typedef rect<f32> rectf;
+	typedef rect<s32> recti;
 
 } // end namespace core
 } // end namespace irr
Index: source/Irrlicht/CNullDriver.cpp
===================================================================
--- source/Irrlicht/CNullDriver.cpp	(revision 2023)
+++ source/Irrlicht/CNullDriver.cpp	(working copy)
@@ -669,7 +669,7 @@
 }
 
 
-//! draws an 2d image, using a color (if color is other then Color(255,255,255,255)) and the alpha channel of the texture if wanted.
+//! Draws a 2d image, using a color (if color is other then Color(255,255,255,255)) and the alpha channel of the texture if wanted.
 void CNullDriver::draw2DImage(const video::ITexture* texture, const core::position2d<s32>& destPos,
 				const core::rect<s32>& sourceRect,
 				const core::rect<s32>* clipRect, SColor color,
@@ -678,8 +678,17 @@
 }
 
 
+//! Draws the outline of a 2d rectangle
+void CNullDriver::draw2DRectangleOutline(const core::recti& pos, SColor color)
+{
+	draw2DLine( pos.UpperLeftCorner , core::position2di( pos.LowerRightCorner.X , pos.UpperLeftCorner.Y ) , color ) ;
+	draw2DLine( core::position2di( pos.LowerRightCorner.X , pos.UpperLeftCorner.Y ) , pos.LowerRightCorner , color ) ;
+	draw2DLine( pos.LowerRightCorner , core::position2di( pos.UpperLeftCorner.X , pos.LowerRightCorner.Y ) , color ) ;
+	draw2DLine( core::position2di( pos.UpperLeftCorner.X , pos.LowerRightCorner.Y ) , pos.UpperLeftCorner , color ) ;
+}
 
-//! draw an 2d rectangle
+
+//! Draw a 2d rectangle
 void CNullDriver::draw2DRectangle(SColor color, const core::rect<s32>& pos, const core::rect<s32>* clip)
 {
 	draw2DRectangle(pos, color, color, color, color, clip);
@@ -687,7 +696,7 @@
 
 
 
-//!Draws an 2d rectangle with a gradient.
+//! Draws a 2d rectangle with a gradient.
 void CNullDriver::draw2DRectangle(const core::rect<s32>& pos,
 	SColor colorLeftUp, SColor colorRightUp, SColor colorLeftDown, SColor colorRightDown,
 	const core::rect<s32>* clip)
Index: source/Irrlicht/CNullDriver.h
===================================================================
--- source/Irrlicht/CNullDriver.h	(revision 2023)
+++ source/Irrlicht/CNullDriver.h	(working copy)
@@ -163,7 +163,7 @@
 				SColor color=SColor(255,255,255,255),
 				bool useAlphaChannelOfTexture=false);
 
-		//! draws an 2d image, using a color (if color is other then Color(255,255,255,255)) and the alpha channel of the texture if wanted.
+		//! Draws a 2d image, using a color (if color is other then Color(255,255,255,255)) and the alpha channel of the texture if wanted.
 		virtual void draw2DImage(const video::ITexture* texture, const core::position2d<s32>& destPos,
 			const core::rect<s32>& sourceRect, const core::rect<s32>* clipRect = 0,
 			SColor color=SColor(255,255,255,255), bool useAlphaChannelOfTexture=false);
@@ -173,14 +173,17 @@
 			const core::rect<s32>& sourceRect, const core::rect<s32>* clipRect = 0,
 			const video::SColor* const colors=0, bool useAlphaChannelOfTexture=false);
 
-		//! draw an 2d rectangle
+		//! Draws a 2d rectangle
 		virtual void draw2DRectangle(SColor color, const core::rect<s32>& pos, const core::rect<s32>* clip = 0);
 
-		//!Draws an 2d rectangle with a gradient.
+		//! Draws a 2d rectangle with a gradient.
 		virtual void draw2DRectangle(const core::rect<s32>& pos,
 			SColor colorLeftUp, SColor colorRightUp, SColor colorLeftDown, SColor colorRightDown,
 			const core::rect<s32>* clip = 0);
 
+		//! Draws the outline of a 2d rectangle
+		virtual void draw2DRectangleOutline(const core::recti& pos, SColor color=SColor(255,255,255,255));
+
 		//! Draws a 2d line.
 		virtual void draw2DLine(const core::position2d<s32>& start,
 					const core::position2d<s32>& end,

Code: Select all

#include <irrlicht.h>

using namespace irr;

#ifdef _IRR_WINDOWS_
#pragma comment(lib, "Irrlicht.lib")
#endif

int main()
{
	IrrlichtDevice *device =
		createDevice( video::EDT_OPENGL, core::dimension2di(640, 480), 16,
			false, false, false, 0);
	video::IVideoDriver* driver = device->getVideoDriver();

	while(device->run())
	{
		driver->beginScene(true, true, video::SColor(255,100,101,140));

		core::recti r;
		r.UpperLeftCorner = core::vector2di(1,1);
		r.LowerRightCorner = device->getCursorControl()->getPosition();
		driver->draw2DRectangleOutline( r ) ;

		r += core::vector2di( 10 , 10 ) ;
		driver->draw2DRectangleOutline( r , video::SColor(128, 255, 128, 128) ) ;

		driver->endScene();
	}

	device->drop();
	return 0;
}