MyOpenGLGraphics Class Reference

#include <widgets.h>

Inheritance diagram for MyOpenGLGraphics:

List of all members.

Public Member Functions
virtual void	_beginDraw ()
virtual void	_endDraw ()
virtual void	drawImage (const gcn::Image *image, int srcX, int srcY, int dstX, int dstY, int width, int height)
virtual void	drawPoint (int x, int y)
virtual void	drawLine (int x1, int y1, int x2, int y2)
virtual void	drawRectangle (const gcn::Rectangle &rectangle)
virtual void	fillRectangle (const gcn::Rectangle &rectangle)
virtual void	setColor (const gcn::Color &color)
virtual const gcn::Color &	getColor ()

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Detailed Description

Definition at line 52 of file widgets.h.

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Member Function Documentation

void MyOpenGLGraphics::_beginDraw

(

)

[virtual]

Initializes drawing. Called by the Gui when Gui::draw() is called. It is needed by some implementations of Graphics to perform preparations before drawing. An example of such an implementation would be OpenGLGraphics.

NOTE: You will never need to call this function yourself. Gui will do it for you.

See also:

_endDraw, Gui::draw

Reimplemented from gcn::Graphics.

Definition at line 212 of file widgets.cpp.

References CVideo::Height, gcn::Graphics::pushClipArea(), Video, and CVideo::Width.

void MyOpenGLGraphics::_endDraw

(

)

[virtual]

Deinitializes drawing. Called by the Gui when a Gui::draw() is done. done. It should reset any state changes made by _beginDraw().

NOTE: You will never need to call this function yourself. Gui will do it for you.

See also:

_beginDraw, Gui::draw

Reimplemented from gcn::Graphics.

Definition at line 218 of file widgets.cpp.

References gcn::Graphics::popClipArea().

void MyOpenGLGraphics::drawImage	(	const gcn::Image *	image,
		int	srcX,
		int	srcY,
		int	dstX,
		int	dstY,
		int	width,
		int	height
	)			[virtual]

Draws a part of an Image.

NOTE: Width and height arguments will not scale the Image but specifies the size of the part to be drawn. If you want to draw the whole Image there is a simplified version of this function.

EXAMPLE:

 drawImage(myImage, 10, 10, 20, 20, 40, 40); 

Will draw a rectangular piece of myImage starting at coordinate (10, 10) in myImage, with width and height 40. The piece will be drawn with it's top left corner at coordinate (20, 20).

Parameters:

	image	the Image to draw.
	srcX	source Image x coordinate.
	srcY	source Image y coordinate.
	dstX	destination x coordinate.
	dstY	destination y coordinate.
	width	the width of the piece.
	height	the height of the piece.

Implements gcn::Graphics.

Definition at line 223 of file widgets.cpp.

References gcn::Graphics::getCurrentClipArea(), CVideo::Height, gcn::Rectangle::height, gcn::Graphics::mClipStack, PopClipping(), PushClipping(), SetClipping(), Video, CVideo::Width, gcn::Rectangle::width, gcn::Rectangle::x, and gcn::Rectangle::y.

void MyOpenGLGraphics::drawPoint	(	int	x,
		int	y
	)			[virtual]

Draws a single point/pixel.

Parameters:

	x	the x coordinate.
	y	the y coordinate.

Implements gcn::Graphics.

Definition at line 241 of file widgets.cpp.

References gcn::Color::a, gcn::Color::b, CVideo::DrawPixelClip(), gcn::Color::g, getColor(), CVideo::MapRGBA(), gcn::Graphics::mClipStack, gcn::Color::r, and Video.

void MyOpenGLGraphics::drawLine	(	int	x1,
		int	y1,
		int	x2,
		int	y2
	)			[virtual]

Ddraws a line.

Parameters:

	x1	the first x coordinate.
	y1	the first y coordinate.
	x2	the second x coordinate.
	y2	the second y coordinate.

Implements gcn::Graphics.

Definition at line 248 of file widgets.cpp.

References gcn::Color::a, gcn::Color::b, CVideo::DrawLineClip(), gcn::Color::g, getColor(), CVideo::MapRGBA(), gcn::Graphics::mClipStack, gcn::Color::r, and Video.

void MyOpenGLGraphics::drawRectangle

(

const gcn::Rectangle &

rectangle

)

[virtual]

Draws a simple, non-filled, Rectangle with one pixel width.

Parameters:

rectangle

the Rectangle to draw.

Implements gcn::Graphics.

Definition at line 256 of file widgets.cpp.

References gcn::Color::a, gcn::Color::b, CVideo::DrawTransRectangle(), gcn::Color::g, getColor(), gcn::Rectangle::height, gcn::Rectangle::intersect(), CVideo::MapRGB(), gcn::Graphics::mClipStack, gcn::Color::r, Video, gcn::Rectangle::width, gcn::Rectangle::x, gcn::ClipRectangle::xOffset, gcn::Rectangle::y, and gcn::ClipRectangle::yOffset.

void MyOpenGLGraphics::fillRectangle

(

const gcn::Rectangle &

rectangle

)

[virtual]

Draws a filled Rectangle.

Parameters:

rectangle

the filled Rectangle to draw.

Implements gcn::Graphics.

Definition at line 278 of file widgets.cpp.

References gcn::Color::a, gcn::Color::b, CVideo::FillTransRectangle(), gcn::Color::g, getColor(), gcn::Rectangle::height, gcn::Rectangle::intersect(), CVideo::MapRGB(), gcn::Graphics::mClipStack, gcn::Color::r, Video, gcn::Rectangle::width, gcn::Rectangle::x, gcn::ClipRectangle::xOffset, gcn::Rectangle::y, and gcn::ClipRectangle::yOffset.

virtual void MyOpenGLGraphics::setColor

(

const gcn::Color &

color

)

[inline, virtual]

Sets the Color to use when drawing.

Parameters:

color

a Color.

Implements gcn::Graphics.

Definition at line 66 of file widgets.h.

virtual const gcn::Color& MyOpenGLGraphics::getColor

(

)

[inline, virtual]

Gets the Color to use when drawing.

Returns:

the Color used when drawing.

Implements gcn::Graphics.

Definition at line 67 of file widgets.h.

Referenced by drawLine(), drawPoint(), drawRectangle(), and fillRectangle().

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The documentation for this class was generated from the following files:

• widgets.h
• widgets.cpp