diff options
Diffstat (limited to 'src/gui/painting/qpainter.cpp')
| -rw-r--r-- | src/gui/painting/qpainter.cpp | 272 |
1 files changed, 136 insertions, 136 deletions
diff --git a/src/gui/painting/qpainter.cpp b/src/gui/painting/qpainter.cpp index 43429abe8a..0f5468df4e 100644 --- a/src/gui/painting/qpainter.cpp +++ b/src/gui/painting/qpainter.cpp @@ -984,41 +984,41 @@ void QPainterPrivate::updateState(QPainterState *newState) \list - \o font() is the font used for drawing text. If the painter + \li font() is the font used for drawing text. If the painter isActive(), you can retrieve information about the currently set font, and its metrics, using the fontInfo() and fontMetrics() functions respectively. - \o brush() defines the color or pattern that is used for filling + \li brush() defines the color or pattern that is used for filling shapes. - \o pen() defines the color or stipple that is used for drawing + \li pen() defines the color or stipple that is used for drawing lines or boundaries. - \o backgroundMode() defines whether there is a background() or + \li backgroundMode() defines whether there is a background() or not, i.e it is either Qt::OpaqueMode or Qt::TransparentMode. - \o background() only applies when backgroundMode() is \l + \li background() only applies when backgroundMode() is \l Qt::OpaqueMode and pen() is a stipple. In that case, it describes the color of the background pixels in the stipple. - \o brushOrigin() defines the origin of the tiled brushes, normally + \li brushOrigin() defines the origin of the tiled brushes, normally the origin of widget's background. - \o viewport(), window(), worldTransform() make up the painter's coordinate + \li viewport(), window(), worldTransform() make up the painter's coordinate transformation system. For more information, see the \l {Coordinate Transformations} section and the \l {Coordinate System} documentation. - \o hasClipping() tells whether the painter clips at all. (The paint + \li hasClipping() tells whether the painter clips at all. (The paint device clips, too.) If the painter clips, it clips to clipRegion(). - \o layoutDirection() defines the layout direction used by the + \li layoutDirection() defines the layout direction used by the painter when drawing text. - \o worldMatrixEnabled() tells whether world transformation is enabled. + \li worldMatrixEnabled() tells whether world transformation is enabled. - \o viewTransformEnabled() tells whether view transformation is + \li viewTransformEnabled() tells whether view transformation is enabled. \endlist @@ -1052,9 +1052,9 @@ void QPainterPrivate::updateState(QPainterState *newState) \table 100% \row - \o \inlineimage qpainter-basicdrawing.png - \o - \bold {Basic Drawing Example} + \li \inlineimage qpainter-basicdrawing.png + \li + \b {Basic Drawing Example} The \l {painting/basicdrawing}{Basic Drawing} example shows how to display basic graphics primitives in a variety of styles using the @@ -1068,8 +1068,8 @@ void QPainterPrivate::updateState(QPainterState *newState) \table 100% \row - \o - \bold {Painter Paths example} + \li + \b {Painter Paths example} The QPainterPath class provides a container for painting operations, enabling graphical shapes to be constructed and @@ -1078,7 +1078,7 @@ void QPainterPrivate::updateState(QPainterState *newState) The \l {painting/painterpaths}{Painter Paths} example shows how painter paths can be used to build complex shapes for rendering. - \o \inlineimage qpainter-painterpaths.png + \li \inlineimage qpainter-painterpaths.png \endtable QPainter also provides the fillPath() function which fills the @@ -1096,13 +1096,13 @@ void QPainterPrivate::updateState(QPainterState *newState) \table \header - \o \l {painting/deform}{Vector Deformation} - \o \l {painting/gradients}{Gradients} - \o \l {painting/pathstroke}{Path Stroking} + \li \l {painting/deform}{Vector Deformation} + \li \l {painting/gradients}{Gradients} + \li \l {painting/pathstroke}{Path Stroking} \row - \o \inlineimage qpainter-vectordeformation.png - \o \inlineimage qpainter-gradients.png - \o \inlineimage qpainter-pathstroking.png + \li \inlineimage qpainter-vectordeformation.png + \li \inlineimage qpainter-gradients.png + \li \inlineimage qpainter-pathstroking.png \endtable @@ -1136,9 +1136,9 @@ void QPainterPrivate::updateState(QPainterState *newState) \table 100% \row - \o \inlineimage qpainter-concentriccircles.png - \o - \bold {Concentric Circles Example} + \li \inlineimage qpainter-concentriccircles.png + \li + \b {Concentric Circles Example} The \l {painting/concentriccircles}{Concentric Circles} example shows the improved rendering quality that can be obtained using @@ -1176,12 +1176,12 @@ void QPainterPrivate::updateState(QPainterState *newState) \table \header - \o nop \o rotate() \o scale() \o translate() + \li nop \li rotate() \li scale() \li translate() \row - \o \inlineimage qpainter-clock.png - \o \inlineimage qpainter-rotation.png - \o \inlineimage qpainter-scale.png - \o \inlineimage qpainter-translation.png + \li \inlineimage qpainter-clock.png + \li \inlineimage qpainter-rotation.png + \li \inlineimage qpainter-scale.png + \li \inlineimage qpainter-translation.png \endtable The most commonly used transformations are scaling, rotation, @@ -1200,15 +1200,15 @@ void QPainterPrivate::updateState(QPainterState *newState) \table 100% \row - \o - \bold {Affine Transformations Example} + \li + \b {Affine Transformations Example} The \l {painting/affine}{Affine Transformations} example shows Qt's ability to perform affine transformations on painting operations. The demo also allows the user to experiment with the transformation operations and see the results immediately. - \o \inlineimage qpainter-affinetransformations.png + \li \inlineimage qpainter-affinetransformations.png \endtable All the tranformation operations operate on the transformation @@ -1282,10 +1282,10 @@ void QPainterPrivate::updateState(QPainterState *newState) \table 100% \row - \o \inlineimage qpainter-compositiondemo.png + \li \inlineimage qpainter-compositiondemo.png - \o - \bold {Composition Modes Example} + \li + \b {Composition Modes Example} The \l {painting/composition}{Composition Modes} example, available in Qt's examples directory, allows you to experiment with the various @@ -1333,14 +1333,14 @@ void QPainterPrivate::updateState(QPainterState *newState) \list - \o Raster - This backend implements all rendering in pure software + \li Raster - This backend implements all rendering in pure software and is always used to render into QImages. For optimal performance only use the format types QImage::Format_ARGB32_Premultiplied, QImage::Format_RGB32 or QImage::Format_RGB16. Any other format, including QImage::Format_ARGB32, has significantly worse performance. This engine is used by default for QWidget and QPixmap. - \o OpenGL 2.0 (ES) - This backend is the primary backend for + \li OpenGL 2.0 (ES) - This backend is the primary backend for hardware accelerated graphics. It can be run on desktop machines and embedded devices supporting the OpenGL 2.0 or OpenGL/ES 2.0 specification. This includes most graphics chips produced in the @@ -1348,7 +1348,7 @@ void QPainterPrivate::updateState(QPainterState *newState) onto a QOpenGLWidget or by passing \c {-graphicssystem opengl} on the command line when the underlying system supports it. - \o OpenVG - This backend implements the Khronos standard for 2D + \li OpenVG - This backend implements the Khronos standard for 2D and Vector Graphics. It is primarily for embedded devices with hardware support for OpenVG. The engine can be enabled by passing \c {-graphicssystem openvg} on the command line when @@ -1360,26 +1360,26 @@ void QPainterPrivate::updateState(QPainterState *newState) \list - \o Simple transformations, meaning translation and scaling, pluss + \li Simple transformations, meaning translation and scaling, pluss 0, 90, 180, 270 degree rotations. - \o \c drawPixmap() in combination with simple transformations and + \li \c drawPixmap() in combination with simple transformations and opacity with non-smooth transformation mode (\c QPainter::SmoothPixmapTransform not enabled as a render hint). - \o Rectangle fills with solid color, two-color linear gradients + \li Rectangle fills with solid color, two-color linear gradients and simple transforms. - \o Rectangular clipping with simple transformations and intersect + \li Rectangular clipping with simple transformations and intersect clip. - \o Composition Modes \c QPainter::CompositionMode_Source and + \li Composition Modes \c QPainter::CompositionMode_Source and QPainter::CompositionMode_SourceOver - \o Rounded rectangle filling using solid color and two-color + \li Rounded rectangle filling using solid color and two-color linear gradients fills. - \o 3x3 patched pixmaps, via qDrawBorderPixmap. + \li 3x3 patched pixmaps, via qDrawBorderPixmap. \endlist @@ -1963,14 +1963,14 @@ QPaintEngine *QPainter::paintEngine() const 2 engine: \list - \i blending is disabled - \i the depth, stencil and scissor tests are disabled - \i the active texture unit is reset to 0 - \i the depth mask, depth function and the clear depth are reset to their + \li blending is disabled + \li the depth, stencil and scissor tests are disabled + \li the active texture unit is reset to 0 + \li the depth mask, depth function and the clear depth are reset to their default values - \i the stencil mask, stencil operation and stencil function are reset to + \li the stencil mask, stencil operation and stencil function are reset to their default values - \i the current color is reset to solid white + \li the current color is reset to solid white \endlist If, for example, the OpenGL polygon mode is changed by the user inside a @@ -2885,10 +2885,10 @@ void QPainter::setClipRegion(const QRegion &r, Qt::ClipOperation op) The following functions can transform the coordinate system without using a QMatrix: \list - \i translate() - \i scale() - \i shear() - \i rotate() + \li translate() + \li scale() + \li shear() + \li rotate() \endlist They operate on the painter's worldMatrix() and are implemented like this: @@ -3360,8 +3360,8 @@ void QPainter::fillPath(const QPainterPath &path, const QBrush &brush) \table 100% \row - \o \inlineimage qpainter-path.png - \o + \li \inlineimage qpainter-path.png + \li \snippet doc/src/snippets/code/src_gui_painting_qpainter.cpp 5 \endtable @@ -3405,8 +3405,8 @@ void QPainter::drawPath(const QPainterPath &path) \table 100% \row - \o \inlineimage qpainter-line.png - \o + \li \inlineimage qpainter-line.png + \li \snippet doc/src/snippets/code/src_gui_painting_qpainter.cpp 6 \endtable @@ -3452,8 +3452,8 @@ void QPainter::drawPath(const QPainterPath &path) \table 100% \row - \o \inlineimage qpainter-rectangle.png - \o + \li \inlineimage qpainter-rectangle.png + \li \snippet doc/src/snippets/code/src_gui_painting_qpainter.cpp 7 \endtable @@ -4121,8 +4121,8 @@ const QFont &QPainter::font() const \table 100% \row - \o \inlineimage qpainter-roundrect.png - \o + \li \inlineimage qpainter-roundrect.png + \li \snippet doc/src/snippets/code/src_gui_painting_qpainter.cpp 8 \endtable @@ -4221,8 +4221,8 @@ void QPainter::drawRoundRect(const QRectF &r, int xRnd, int yRnd) \table 100% \row - \o \inlineimage qpainter-ellipse.png - \o + \li \inlineimage qpainter-ellipse.png + \li \snippet doc/src/snippets/code/src_gui_painting_qpainter.cpp 9 \endtable @@ -4347,8 +4347,8 @@ void QPainter::drawEllipse(const QRect &r) \table 100% \row - \o \inlineimage qpainter-arc.png - \o + \li \inlineimage qpainter-arc.png + \li \snippet doc/src/snippets/code/src_gui_painting_qpainter.cpp 10 \endtable @@ -4411,8 +4411,8 @@ void QPainter::drawArc(const QRectF &r, int a, int alen) \table 100% \row - \o \inlineimage qpainter-pie.png - \o + \li \inlineimage qpainter-pie.png + \li \snippet doc/src/snippets/code/src_gui_painting_qpainter.cpp 11 \endtable @@ -4480,8 +4480,8 @@ void QPainter::drawPie(const QRectF &r, int a, int alen) \table 100% \row - \o \inlineimage qpainter-chord.png - \o + \li \inlineimage qpainter-chord.png + \li \snippet doc/src/snippets/code/src_gui_painting_qpainter.cpp 12 \endtable @@ -4696,7 +4696,7 @@ void QPainter::drawLines(const QPoint *pointPairs, int lineCount) \table 100% \row - \o + \li \snippet doc/src/snippets/code/src_gui_painting_qpainter.cpp 13 \endtable @@ -4802,8 +4802,8 @@ void QPainter::drawPolyline(const QPoint *points, int pointCount) \table 100% \row - \o \inlineimage qpainter-polygon.png - \o + \li \inlineimage qpainter-polygon.png + \li \snippet doc/src/snippets/code/src_gui_painting_qpainter.cpp 14 \endtable @@ -4915,8 +4915,8 @@ void QPainter::drawPolygon(const QPoint *points, int pointCount, Qt::FillRule fi \table 100% \row - \o \inlineimage qpainter-polygon.png - \o + \li \inlineimage qpainter-polygon.png + \li \snippet doc/src/snippets/code/src_gui_painting_qpainter.cpp 15 \endtable @@ -5039,7 +5039,7 @@ static inline QPointF roundInDeviceCoordinates(const QPointF &p, const QTransfor \table 100% \row - \o + \li \snippet doc/src/snippets/code/src_gui_painting_qpainter.cpp 16 \endtable @@ -5952,8 +5952,8 @@ void QPainter::drawText(const QRect &r, int flags, const QString &str, QRect *br \table 100% \row - \o \inlineimage qpainter-text.png - \o + \li \inlineimage qpainter-text.png + \li \snippet doc/src/snippets/code/src_gui_painting_qpainter.cpp 17 \endtable @@ -5962,20 +5962,20 @@ void QPainter::drawText(const QRect &r, int flags, const QString &str, QRect *br OR of the following flags: \list - \o Qt::AlignLeft - \o Qt::AlignRight - \o Qt::AlignHCenter - \o Qt::AlignJustify - \o Qt::AlignTop - \o Qt::AlignBottom - \o Qt::AlignVCenter - \o Qt::AlignCenter - \o Qt::TextDontClip - \o Qt::TextSingleLine - \o Qt::TextExpandTabs - \o Qt::TextShowMnemonic - \o Qt::TextWordWrap - \o Qt::TextIncludeTrailingSpaces + \li Qt::AlignLeft + \li Qt::AlignRight + \li Qt::AlignHCenter + \li Qt::AlignJustify + \li Qt::AlignTop + \li Qt::AlignBottom + \li Qt::AlignVCenter + \li Qt::AlignCenter + \li Qt::TextDontClip + \li Qt::TextSingleLine + \li Qt::TextExpandTabs + \li Qt::TextShowMnemonic + \li Qt::TextWordWrap + \li Qt::TextIncludeTrailingSpaces \endlist \sa Qt::AlignmentFlag, Qt::TextFlag, boundingRect(), layoutDirection() @@ -6044,18 +6044,18 @@ void QPainter::drawText(const QRectF &r, int flags, const QString &str, QRectF * the following flags: \list - \o Qt::AlignLeft - \o Qt::AlignRight - \o Qt::AlignHCenter - \o Qt::AlignJustify - \o Qt::AlignTop - \o Qt::AlignBottom - \o Qt::AlignVCenter - \o Qt::AlignCenter - \o Qt::TextSingleLine - \o Qt::TextExpandTabs - \o Qt::TextShowMnemonic - \o Qt::TextWordWrap + \li Qt::AlignLeft + \li Qt::AlignRight + \li Qt::AlignHCenter + \li Qt::AlignJustify + \li Qt::AlignTop + \li Qt::AlignBottom + \li Qt::AlignVCenter + \li Qt::AlignCenter + \li Qt::TextSingleLine + \li Qt::TextExpandTabs + \li Qt::TextShowMnemonic + \li Qt::TextWordWrap \endlist By default, QPainter draws text anti-aliased. @@ -6472,18 +6472,18 @@ void QPainter::drawTextItem(const QPointF &p, const QTextItem &_ti) The \a flags argument is a bitwise OR of the following flags: \list - \o Qt::AlignLeft - \o Qt::AlignRight - \o Qt::AlignHCenter - \o Qt::AlignTop - \o Qt::AlignBottom - \o Qt::AlignVCenter - \o Qt::AlignCenter - \o Qt::TextSingleLine - \o Qt::TextExpandTabs - \o Qt::TextShowMnemonic - \o Qt::TextWordWrap - \o Qt::TextIncludeTrailingSpaces + \li Qt::AlignLeft + \li Qt::AlignRight + \li Qt::AlignHCenter + \li Qt::AlignTop + \li Qt::AlignBottom + \li Qt::AlignVCenter + \li Qt::AlignCenter + \li Qt::TextSingleLine + \li Qt::TextExpandTabs + \li Qt::TextShowMnemonic + \li Qt::TextWordWrap + \li Qt::TextIncludeTrailingSpaces \endlist If several of the horizontal or several of the vertical alignment flags are set, the resulting alignment is undefined. @@ -6691,7 +6691,7 @@ void QPainter::drawTiledPixmap(const QRectF &r, const QPixmap &pixmap, const QPo \table 100% \row - \o + \li \snippet doc/src/snippets/code/src_gui_painting_qpainter.cpp 18 \endtable @@ -7675,7 +7675,7 @@ void QPainterState::init(QPainter *p) { \table 100% \row - \o + \li \snippet doc/src/snippets/code/src_gui_painting_qpainter.cpp 20 \endtable @@ -7791,21 +7791,21 @@ void QPainterState::init(QPainter *p) { \target GetFunction \table - \header \o Property Flag \o Current Property Value - \row \o QPaintEngine::DirtyBackground \o backgroundBrush() - \row \o QPaintEngine::DirtyBackgroundMode \o backgroundMode() - \row \o QPaintEngine::DirtyBrush \o brush() - \row \o QPaintEngine::DirtyBrushOrigin \o brushOrigin() - \row \o QPaintEngine::DirtyClipRegion \e or QPaintEngine::DirtyClipPath - \o clipOperation() - \row \o QPaintEngine::DirtyClipPath \o clipPath() - \row \o QPaintEngine::DirtyClipRegion \o clipRegion() - \row \o QPaintEngine::DirtyCompositionMode \o compositionMode() - \row \o QPaintEngine::DirtyFont \o font() - \row \o QPaintEngine::DirtyTransform \o transform() - \row \o QPaintEngine::DirtyClipEnabled \o isClipEnabled() - \row \o QPaintEngine::DirtyPen \o pen() - \row \o QPaintEngine::DirtyHints \o renderHints() + \header \li Property Flag \li Current Property Value + \row \li QPaintEngine::DirtyBackground \li backgroundBrush() + \row \li QPaintEngine::DirtyBackgroundMode \li backgroundMode() + \row \li QPaintEngine::DirtyBrush \li brush() + \row \li QPaintEngine::DirtyBrushOrigin \li brushOrigin() + \row \li QPaintEngine::DirtyClipRegion \e or QPaintEngine::DirtyClipPath + \li clipOperation() + \row \li QPaintEngine::DirtyClipPath \li clipPath() + \row \li QPaintEngine::DirtyClipRegion \li clipRegion() + \row \li QPaintEngine::DirtyCompositionMode \li compositionMode() + \row \li QPaintEngine::DirtyFont \li font() + \row \li QPaintEngine::DirtyTransform \li transform() + \row \li QPaintEngine::DirtyClipEnabled \li isClipEnabled() + \row \li QPaintEngine::DirtyPen \li pen() + \row \li QPaintEngine::DirtyHints \li renderHints() \endtable The QPaintEngineState class also provide the painter() function |