QGLPathMaskGenerator Class Reference

Inheritance diagram for QGLPathMaskGenerator:

Public Functions
	QGLPathMaskGenerator (const QPainterPath &path, const QTransform &matrix, QGLOffscreen &offscreen, GLuint maskFragmentProgram)
Public Functions inherited from QGLTrapezoidMaskGenerator
void	drawMask (const QRect &rect)
	QGLTrapezoidMaskGenerator (const QPainterPath &path, const QTransform &matrix, QGLOffscreen &offscreen, GLuint maskFragmentProgram, qreal strokeWidth=-1.0)
QRect	screenRect ()
Public Functions inherited from QGLMaskGenerator
QTransform	matrix () const
QPainterPath	path () const
	QGLMaskGenerator (const QPainterPath &path, const QTransform &matrix, qreal stroke_width=-1)
qreal	strokeWidth () const
virtual	~QGLMaskGenerator ()

Private Functions
QRect	computeScreenRect ()
QVector< QGLTrapezoid >	generateTrapezoids ()

Properties
QPolygonF	poly

Detailed Description

Definition at line 3052 of file qpaintengine_opengl.cpp.

Constructors and Destructors

QGLPathMaskGenerator()

QGLPathMaskGenerator::QGLPathMaskGenerator	(	const QPainterPath &	path,
		const QTransform &	matrix,
		QGLOffscreen &	offscreen,
		GLuint	maskFragmentProgram
	)

Definition at line 3187 of file qpaintengine_opengl.cpp.

    : QGLTrapezoidMaskGenerator(path, matrix, offs, program)
{
}

Functions

computeScreenRect()

QRect QGLPathMaskGenerator::computeScreenRect ( )

privatevirtual

Implements QGLTrapezoidMaskGenerator.

Definition at line 3192 of file qpaintengine_opengl.cpp.

{
    poly = path().toFillPolygon(matrix());
    return poly.boundingRect().toAlignedRect();
}

generateTrapezoids()

QVector< QGLTrapezoid > QGLPathMaskGenerator::generateTrapezoids ( )

privatevirtual

Implements QGLTrapezoidMaskGenerator.

Definition at line 3198 of file qpaintengine_opengl.cpp.

{
    QOpenGLImmediateModeTessellator tessellator;
    tessellator.tessellate(poly.data(), poly.count(), path().fillRule() == Qt::WindingFill);
    return tessellator.trapezoids;
}

Properties

poly

QPolygonF QGLPathMaskGenerator::poly

private

Definition at line 3061 of file qpaintengine_opengl.cpp.

Referenced by computeScreenRect(), and generateTrapezoids().

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

• /src/opengl/qpaintengine_opengl.cpp