Draw (gb.qt4)

This class is used for drawing on a Picture, or a DrawingArea object.

Before starting drawing anything, you must call the Begin method by passing it the object where you want to draw.

Then you can call any of the drawing methods to draw points, lines, texts, pictures...

When your drawing is finished, you must call the End method.

Константы

Disabled	This constant is used by the style methods for drawing a control in its disable state.
Focus	This constant is used by the style methods for drawing a control having the focus.
Hover	This constant is used by the style methods for drawing a control hovered by the mouse cursor.
Normal	This constant is used by the style methods for drawing a control in its active state.

Статические свойства

Background	Returns or sets the background color used for drawing brushes or text.
Clip	Returns a virtual object used for managing the clipping area of a drawing.
ClipRect	Return or set the clipping rectangle.
Device	Returns the device being drawn.
FillColor	Returns or sets the color used by filling drawing methods.
FillStyle	Returns or sets the style used by filling drawing methods.
FillX	Returns or sets the horizontal origin of the brushes used by filling drawing methods.
FillY	Returns or sets the vertical origin of the brushes used by filling drawing methods.
Font	Returns or sets the font used for drawing texts.
Foreground	Returns or sets the foreground color used for drawing brushes, text and lines.
H	A synonymous for the Height property.
Height	Returns the height of the area that can be drawn.
Invert	Indicates that all drawing primitives combine their pixel colors with the pixel colors of the destination with an exclusive or operation.
LineStyle	Returns or sets the style used for drawing lines.
LineWidth	Returns or sets the width used for drawing lines.
Style	Returns a virtual class that groups the style drawing methods together.
Transparent	Indicates that some drawing methods like Draw.Text are transparent, i.e. that they do not fill their background.
W	A synonymous for the Width property.
Width	Returns the width of the area that can be drawn.

Статические методы

Arc	Draw an arc.
Begin	Begins a new drawing. The device can be one of the following objects:
Circle	Draw a circle or a pie.
Clear	Clears the drawing device with the background color.
Ellipse	Draw an ellipse or a pie.
End	Ends a drawing.
FillRect	Fills the specified rectangle with the specified color.
Image	Draws an Image, or part of it.
Line	Draws a line.
Picture	Draws a Picture, or part of it.
Point	Draws a single pixel.
PolyLine	Draws a polyline, i.e. a void polygon.
Polygon	Draws a polygon.
Rect	Draws a rectangle.
Reset	Resets the transformation matrix.
Restore	Restore the state of all drawing properties that were previously saved by the Save method.
RichText	Draws a piece of rich text.
RichTextHeight	Returns the height of a piece of rich text.
RichTextWidth	Returns the width of a piece of rich text.
Save	Saves the state of all drawing properties.
Scale	Modify the transformation matrix so that drawing are scaled by the specified vector.
Text	Draws a text.
TextHeight	Returns the height of a text drawing.
TextWidth	Returns the width of a text drawing.
Tile	Draws a tiled picture.
Translate	Modify the transformation matrix so that drawing are translated by the specified vector.
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