#include <QtCore/qglobal.h>
#include <QtCore/qmutex.h>
#include <private/qrasterdefs_p.h>
#include <private/qgrayraster_p.h>
#include <qpainterpath.h>
#include <qdebug.h>
#include <qbitmap.h>
#include "qmath_p.h"
#include <qrandom.h>
#include <private/qtextengine_p.h>
#include <private/qfontengine_p.h>
#include <private/qpixmap_raster_p.h>
#include <private/qimage_p.h>
#include <private/qstatictext_p.h>
#include <private/qcosmeticstroker_p.h>
#include <private/qdrawhelper_p.h>
#include <private/qmemrotate_p.h>
#include <private/qpixellayout_p.h>
#include <private/qrgba64_p.h>
#include "qpaintengine_raster_p.h"
#include "qoutlinemapper_p.h"
#include <limits.h>
#include <algorithm>

Include dependency graph for qpaintengine_raster.cpp:

Classes
class	QRectVectorPath

struct	ClipData

struct	QRasterFloatPoint

struct	VisibleGlyphRange

class	QGradientCache

struct	QGradientCache::CacheInfo

Macros
#define	QT_FT_BEGIN_HEADER

#define	QT_FT_END_HEADER

#define	qt_swap_int(x, y) { int tmp = (x); (x) = (y); (y) = tmp; }

#define	qt_swap_qreal(x, y) { qreal tmp = (x); (x) = (y); (y) = tmp; }

#define	QT_FAST_SPANS

#define	int_dim(pos, dim) (int(pos+dim) - int(pos))

Enumerations
enum	LineDrawMode { LineDrawClipped , LineDrawNormal , LineDrawIncludeLastPixel }

Functions
Q_GUI_EXPORT bool	qt_scaleForTransform (const QTransform &transform, qreal *scale)

static void	qt_span_fill_clipRect (int count, const QT_FT_Span spans, void userData)

static void	qt_span_fill_clipped (int count, const QT_FT_Span spans, void userData)

static void	qt_span_clip (int count, const QT_FT_Span spans, void userData)

static void	drawEllipse_midpoint_i (const QRect &rect, const QRect &clip, ProcessSpans pen_func, ProcessSpans brush_func, QSpanData pen_data, QSpanData brush_data)

static void	qt_ft_outline_move_to (qfixed x, qfixed y, void *data)

static void	qt_ft_outline_line_to (qfixed x, qfixed y, void *data)

static void	qt_ft_outline_cubic_to (qfixed c1x, qfixed c1y, qfixed c2x, qfixed c2y, qfixed ex, qfixed ey, void *data)

static void	qrasterpaintengine_state_setNoClip (QRasterPaintEngineState *s)

static void	qrasterpaintengine_dirty_clip (QRasterPaintEnginePrivate d, QRasterPaintEngineState s)

static void	fillRect_normalized (const QRect &r, QSpanData data, QRasterPaintEnginePrivate pe)

static QColor	qPremultiplyWithExtraAlpha (const QColor &c, int alpha)

static bool	isAbove (const QPointF a, const QPointF b)

static bool	splitPolygon (const QPointF points, int pointCount, QList< QPointF > upper, QList< QPointF > *lower)

static int	fast_ceil_positive (const qreal &v)

static const QRect	toAlignedRect_positive (const QRectF &rect)

QRectF	qt_mapRect_non_normalizing (const QRectF &r, const QTransform &t)

static bool	monoVal (const uchar *s, int x)

static VisibleGlyphRange	visibleGlyphRange (const QRectF &clip, QFontEngine fontEngine, glyph_t glyphs, QFixedPoint *positions, int numGlyphs)

int	q_gray_rendered_spans (QT_FT_Raster raster)

static uchar *	alignAddress (uchar *address, quintptr alignmentMask)

static const QT_FT_Span *	qt_intersect_spans (const QClipData clip, int currentClip, const QT_FT_Span spans, const QT_FT_Span end, QT_FT_Span **outSpans, int available)

static int	qt_intersect_spans (QT_FT_Span *&spans, int numSpans, const QRect &clip)

Q_GUI_EXPORT QImage	qt_imageForBrush (int brushStyle, bool invert)

static void	drawEllipsePoints (int x, int y, int length, const QRect &rect, const QRect &clip, ProcessSpans pen_func, ProcessSpans brush_func, QSpanData pen_data, QSpanData brush_data)

Macro Definition Documentation

◆ int_dim

#define int_dim	(	pos,
		dim
	)	(int(pos+dim) - int(pos))

Definition at line 115 of file qpaintengine_raster.cpp.

◆ QT_FAST_SPANS

#define QT_FAST_SPANS

Definition at line 109 of file qpaintengine_raster.cpp.

◆ QT_FT_BEGIN_HEADER

#define QT_FT_BEGIN_HEADER

Definition at line 7 of file qpaintengine_raster.cpp.

◆ QT_FT_END_HEADER

#define QT_FT_END_HEADER

Definition at line 8 of file qpaintengine_raster.cpp.

◆ qt_swap_int

#define qt_swap_int	(	x,
		y
	)	{ int tmp = (x); (x) = (y); (y) = tmp; }

Definition at line 101 of file qpaintengine_raster.cpp.

◆ qt_swap_qreal

#define qt_swap_qreal	(	x,
		y
	)	{ qreal tmp = (x); (x) = (y); (y) = tmp; }

Definition at line 102 of file qpaintengine_raster.cpp.

Enumeration Type Documentation

◆ LineDrawMode

enum LineDrawMode

Enumerator
LineDrawClipped
LineDrawNormal
LineDrawIncludeLastPixel

Definition at line 157 of file qpaintengine_raster.cpp.

Function Documentation

◆ alignAddress()

static uchar * alignAddress	(	uchar *	address,
		quintptr	alignmentMask
	)

inlinestatic

Definition at line 3558 of file qpaintengine_raster.cpp.

Referenced by QRasterPaintEnginePrivate::rasterize().

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◆ drawEllipse_midpoint_i()

static void drawEllipse_midpoint_i	(	const QRect &	rect,
		const QRect &	clip,
		ProcessSpans	pen_func,
		ProcessSpans	brush_func,
		QSpanData *	pen_data,
		QSpanData *	brush_data
	)

static

Draws an ellipse using the integer point midpoint algorithm.

Definition at line 4800 of file qpaintengine_raster.cpp.

References d, drawEllipsePoints(), and rect.

Referenced by QRasterPaintEngine::drawEllipse().

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◆ drawEllipsePoints()

static void drawEllipsePoints	(	int	x,
		int	y,
		int	length,
		const QRect &	rect,
		const QRect &	clip,
		ProcessSpans	pen_func,
		ProcessSpans	brush_func,
		QSpanData *	pen_data,
		QSpanData *	brush_data
	)

inlinestatic

x and y is relative to the midpoint of rect.

Definition at line 4726 of file qpaintengine_raster.cpp.

References QT_FT_Span_::coverage, fill(), QT_FT_Span_::len, qMax(), qMin(), qt_intersect_spans(), rect, QT_FT_Span_::x, and QT_FT_Span_::y.

Referenced by drawEllipse_midpoint_i().

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◆ fast_ceil_positive()

static int fast_ceil_positive ( const qreal & v )

inlinestatic

Definition at line 2075 of file qpaintengine_raster.cpp.

Referenced by toAlignedRect_positive().

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◆ fillRect_normalized()

static void fillRect_normalized	(	const QRect &	r,
		QSpanData *	data,
		QRasterPaintEnginePrivate *	pe
	)

static

Definition at line 1362 of file qpaintengine_raster.cpp.

References QRasterBuffer::compositionMode, QPainter::CompositionMode_Source, QPainter::CompositionMode_SourceOver, QT_FT_Span_::coverage, QRasterPaintEnginePrivate::deviceRect, QColor::ExtendedRgb, QRect::height(), i, QRasterPaintEnginePrivate::isUnclipped_normalized(), QT_FT_Span_::len, Q_ASSERT, qMax(), qMin(), QRasterPaintEnginePrivate::rasterBuffer, QRect::width(), QRect::x(), QT_FT_Span_::x, QRect::y(), and QT_FT_Span_::y.

Referenced by QRasterPaintEngine::drawImage(), QRasterPaintEngine::drawImage(), QRasterPaintEngine::drawRects(), QRasterPaintEngine::drawTiledPixmap(), and QRasterPaintEngine::fill().

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◆ isAbove()

static bool isAbove	(	const QPointF *	a,
		const QPointF *	b
	)

inlinestatic

Definition at line 1789 of file qpaintengine_raster.cpp.

Referenced by splitPolygon().

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◆ monoVal()

static bool monoVal	(	const uchar *	s,
		int	x
	)

inlinestatic

Definition at line 2519 of file qpaintengine_raster.cpp.

Referenced by QRasterPaintEngine::alphaPenBlt().

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◆ q_gray_rendered_spans()

int q_gray_rendered_spans ( QT_FT_Raster raster )

◆ qPremultiplyWithExtraAlpha()

static QColor qPremultiplyWithExtraAlpha	(	const QColor &	c,
		int	alpha
	)

static

Definition at line 1754 of file qpaintengine_raster.cpp.

References combineAlpha256(), QColor::ExtendedRgb, QColor::fromRgbF(), qPremultiply(), and Qt::transparent.

Referenced by QRasterPaintEngine::fillRect(), and QSpanData::setup().

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◆ qrasterpaintengine_dirty_clip()

static void qrasterpaintengine_dirty_clip	(	QRasterPaintEnginePrivate *	d,
		QRasterPaintEngineState *	s
	)

static

Definition at line 1101 of file qpaintengine_raster.cpp.

References d, and QPaintEngine::DirtyClipPath.

Referenced by QRasterPaintEngine::clip(), and QRasterPaintEngine::clip().

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◆ qrasterpaintengine_state_setNoClip()

static void qrasterpaintengine_state_setNoClip ( QRasterPaintEngineState * s )

static

Definition at line 1093 of file qpaintengine_raster.cpp.

Referenced by QRasterPaintEngine::clip(), QRasterPaintEngine::clip(), QRasterPaintEngine::clip(), and QRasterPaintEnginePrivate::updateClipping().

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◆ qt_ft_outline_cubic_to()

static void qt_ft_outline_cubic_to	(	qfixed	c1x,
		qfixed	c1y,
		qfixed	c2x,
		qfixed	c2y,
		qfixed	ex,
		qfixed	ey,
		void *	data
	)

static

Definition at line 204 of file qpaintengine_raster.cpp.

References qt_fixed_to_real.

◆ qt_ft_outline_line_to()

static void qt_ft_outline_line_to	(	qfixed	x,
		qfixed	y,
		void *	data
	)

static

Definition at line 199 of file qpaintengine_raster.cpp.

References qt_fixed_to_real.

◆ qt_ft_outline_move_to()

static void qt_ft_outline_move_to	(	qfixed	x,
		qfixed	y,
		void *	data
	)

static

Definition at line 194 of file qpaintengine_raster.cpp.

References qt_fixed_to_real.

◆ qt_imageForBrush()

Q_GUI_EXPORT QImage qt_imageForBrush	(	int	brushStyle,
		bool	invert
	)

Definition at line 146 of file qbrush.cpp.

◆ qt_intersect_spans() [1/2]

static const QT_FT_Span * qt_intersect_spans	(	const QClipData *	clip,
		int *	currentClip,
		const QT_FT_Span *	spans,
		const QT_FT_Span *	end,
		QT_FT_Span **	outSpans,
		int	available
	)

static

spans must be sorted on y

Definition at line 4016 of file qpaintengine_raster.cpp.

References QClipData::count, QT_FT_Span_::coverage, initialize(), QT_FT_Span_::len, QClipData::m_clipLines, QClipData::m_spans, out, Q_ASSERT, qMax(), qMin(), qt_div_255(), QClipData::ClipLine::spans, QT_FT_Span_::x, and QT_FT_Span_::y.

Referenced by drawEllipsePoints(), qt_span_clip(), qt_span_fill_clipped(), and qt_span_fill_clipRect().

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◆ qt_intersect_spans() [2/2]

static int qt_intersect_spans	(	QT_FT_Span *&	spans,
		int	numSpans,
		const QRect &	clip
	)

static

Definition at line 4106 of file qpaintengine_raster.cpp.

References QRect::bottom(), QRect::left(), QT_FT_Span_::len, qMin(), QRect::right(), QRect::top(), and QT_FT_Span_::y.

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◆ qt_mapRect_non_normalizing()

QRectF qt_mapRect_non_normalizing	(	const QRectF &	r,
		const QTransform &	t
	)

Definition at line 2151 of file qpaintengine_raster.cpp.

Referenced by QRasterPaintEngine::drawImage().

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◆ qt_scaleForTransform()

Q_GUI_EXPORT bool qt_scaleForTransform	(	const QTransform &	transform,
		qreal *	scale
	)

Definition at line 2301 of file qtransform.cpp.

◆ qt_span_clip()

static void qt_span_clip	(	int	count,
		const QT_FT_Span *	spans,
		void *	userData
	)

static

Definition at line 4160 of file qpaintengine_raster.cpp.

References QClipData::allocated, QClipData::appendSpans(), QClipData::count, QClipData::initialize(), Qt::IntersectClip, QClipData::m_spans, ClipData::newClip, Qt::NoClip, ClipData::oldClip, ClipData::operation, qt_intersect_spans(), and Qt::ReplaceClip.

Referenced by QRasterPaintEngine::clip().

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◆ qt_span_fill_clipped()

static void qt_span_fill_clipped	(	int	count,
		const QT_FT_Span *	spans,
		void *	userData
	)

static

Definition at line 4079 of file qpaintengine_raster.cpp.

References QSpanData::blend, QSpanData::clip, Q_ASSERT, qt_intersect_spans(), and QSpanData::unclipped_blend.

Referenced by QSpanData::adjustSpanMethods().

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◆ qt_span_fill_clipRect()

static void qt_span_fill_clipRect	(	int	count,
		const QT_FT_Span *	spans,
		void *	userData
	)

static

Definition at line 4143 of file qpaintengine_raster.cpp.

References QSpanData::blend, QSpanData::clip, QClipData::clipRect, QRect::isEmpty(), Q_ASSERT, qt_intersect_spans(), and QSpanData::unclipped_blend.

Referenced by QSpanData::adjustSpanMethods().

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◆ splitPolygon()

static bool splitPolygon	(	const QPointF *	points,
		int	pointCount,
		QList< QPointF > *	upper,
		QList< QPointF > *	lower
	)

static

Definition at line 1794 of file qpaintengine_raster.cpp.

References QList< T >::at(), QList< T >::begin(), QList< T >::end(), i, isAbove(), Q_ASSERT, qFuzzyCompare(), QList< T >::reserve(), QList< T >::size(), QPointF::x(), and QPointF::y().

Referenced by QRasterPaintEngine::fillPolygon().

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◆ toAlignedRect_positive()

static const QRect toAlignedRect_positive ( const QRectF & rect )

inlinestatic

Definition at line 2084 of file qpaintengine_raster.cpp.

References fast_ceil_positive(), and rect.

Referenced by QRasterPaintEngine::drawImage().

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◆ visibleGlyphRange()

static VisibleGlyphRange visibleGlyphRange	(	const QRectF &	clip,
		QFontEngine *	fontEngine,
		glyph_t *	glyphs,
		QFixedPoint *	positions,
		int	numGlyphs
	)

static

Definition at line 3001 of file qpaintengine_raster.cpp.

References QRectF::bottom(), QFontEngine::boundingBox(), QFixed::fromReal(), QRectF::left(), positions, QRectF::right(), and QRectF::top().

Referenced by QRasterPaintEngine::drawStaticTextItem(), and QRasterPaintEngine::drawTextItem().

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Classes

Macros

Enumerations

Functions

Macro Definition Documentation

◆ int_dim

◆ QT_FAST_SPANS

◆ QT_FT_BEGIN_HEADER

◆ QT_FT_END_HEADER

◆ qt_swap_int

◆ qt_swap_qreal

Enumeration Type Documentation

◆ LineDrawMode

Function Documentation

◆ alignAddress()

◆ drawEllipse_midpoint_i()

◆ drawEllipsePoints()

◆ fast_ceil_positive()

◆ fillRect_normalized()

◆ isAbove()

◆ monoVal()

◆ q_gray_rendered_spans()

◆ qPremultiplyWithExtraAlpha()

◆ qrasterpaintengine_dirty_clip()

◆ qrasterpaintengine_state_setNoClip()

◆ qt_ft_outline_cubic_to()

◆ qt_ft_outline_line_to()

◆ qt_ft_outline_move_to()

◆ qt_imageForBrush()

◆ qt_intersect_spans() [1/2]

◆ qt_intersect_spans() [2/2]

◆ qt_mapRect_non_normalizing()

◆ qt_scaleForTransform()

◆ qt_span_clip()

◆ qt_span_fill_clipped()

◆ qt_span_fill_clipRect()

◆ splitPolygon()

◆ toAlignedRect_positive()

◆ visibleGlyphRange()