Qt 4.8
qpaintengine_opengl_p.h
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41 
42 #ifndef QPAINTENGINE_OPENGL_P_H
43 #define QPAINTENGINE_OPENGL_P_H
44 
45 //
46 // W A R N I N G
47 // -------------
48 //
49 // This file is not part of the Qt API. It exists for the convenience
50 // of the QLibrary class. This header file may change from
51 // version to version without notice, or even be removed.
52 //
53 // We mean it.
54 //
55 
56 #include <private/qpaintengineex_p.h>
57 
59 
61 class QGLTexture;
62 
64 {
65 public:
69 
74 };
75 
77 {
79 public:
82 
83  bool begin(QPaintDevice *pdev);
84  bool end();
85 
86  // new stuff
87  void clipEnabledChanged();
88  void penChanged();
89  void brushChanged();
90  void brushOriginChanged();
91  void opacityChanged();
92  void compositionModeChanged();
93  void renderHintsChanged();
94  void transformChanged();
95 
96  void fill(const QVectorPath &path, const QBrush &brush);
97  void clip(const QVectorPath &path, Qt::ClipOperation op);
98 
99  void setState(QPainterState *s);
100  QPainterState *createState(QPainterState *orig) const;
102  return static_cast<QOpenGLPaintEngineState *>(QPaintEngineEx::state());
103  }
104  inline const QOpenGLPaintEngineState *state() const {
105  return static_cast<const QOpenGLPaintEngineState *>(QPaintEngineEx::state());
106  }
107 
108 
109  // old stuff
110  void updateState(const QPaintEngineState &state);
111 
112  void updatePen(const QPen &pen);
113  void updateBrush(const QBrush &brush, const QPointF &pt);
114  void updateFont(const QFont &font);
115  void updateMatrix(const QTransform &matrix);
116  void updateClipRegion(const QRegion &region, Qt::ClipOperation op);
117  void updateRenderHints(QPainter::RenderHints hints);
118  void updateCompositionMode(QPainter::CompositionMode composition_mode);
119 
120  void drawRects(const QRectF *r, int rectCount);
121  void drawLines(const QLineF *lines, int lineCount);
122  void drawPoints(const QPointF *p, int pointCount);
123  void drawRects(const QRect *r, int rectCount);
124  void drawLines(const QLine *lines, int lineCount);
125  void drawPoints(const QPoint *p, int pointCount);
126 
127  void drawPixmap(const QRectF &r, const QPixmap &pm, const QRectF &sr);
128 
129  void drawPath(const QPainterPath &path);
130  void drawPolygon(const QPointF *points, int pointCount, PolygonDrawMode mode);
131  void drawPolygon(const QPoint *points, int pointCount, PolygonDrawMode mode);
132  void drawTiledPixmap(const QRectF &r, const QPixmap &pixmap, const QPointF &s);
133  void drawImage(const QRectF &r, const QImage &image, const QRectF &sr,
134  Qt::ImageConversionFlags conversionFlags);
135  void drawTextItem(const QPointF &p, const QTextItem &ti);
136  void drawStaticTextItem(QStaticTextItem *staticTextItem);
137 
138  void drawEllipse(const QRectF &rect);
139 
140 #ifdef Q_WS_WIN
141  HDC handle() const;
142 #else
143  Qt::HANDLE handle() const;
144 #endif
145  inline Type type() const { return QPaintEngine::OpenGL; }
146  bool supportsTransformations(qreal, const QTransform &) const { return true; }
147 
148 private:
149  void drawPolyInternal(const QPolygonF &pa, bool close = true);
150  void drawTextureRect(int tx_width, int tx_height, const QRectF &r, const QRectF &sr,
151  GLenum target, QGLTexture *tex);
153 };
154 
155 
157 
158 #endif // QPAINTENGINE_OPENGL_P_H
QPaintEngine::DirtyFlags state() const
Returns a combination of flags identifying the set of properties that need to be updated when updatin...
Definition: qpaintengine.h:292
double qreal
Definition: qglobal.h:1193
#define QT_END_NAMESPACE
This macro expands to.
Definition: qglobal.h:90
CompositionMode
Defines the modes supported for digital image compositing.
Definition: qpainter.h:138
The QLine class provides a two-dimensional vector using integer precision.
Definition: qline.h:57
QPainter::CompositionMode composition_mode
Definition: qpainter_p.h:174
The QPainterPath class provides a container for painting operations, enabling graphical shapes to be ...
Definition: qpainterpath.h:67
The QPointF class defines a point in the plane using floating point precision.
Definition: qpoint.h:214
#define Q_DISABLE_COPY(Class)
Disables the use of copy constructors and assignment operators for the given Class.
Definition: qglobal.h:2523
bool supportsTransformations(qreal, const QTransform &) const
QMatrix matrix() const
Returns the matrix in the current paint engine state.
Definition: qpainter.cpp:9355
The QPen class defines how a QPainter should draw lines and outlines of shapes.
Definition: qpen.h:64
The QLineF class provides a two-dimensional vector using floating point precision.
Definition: qline.h:212
#define QT_BEGIN_NAMESPACE
This macro expands to.
Definition: qglobal.h:89
QBrush brush() const
Returns the brush in the current paint engine state.
Definition: qpainter.cpp:9273
The QRectF class defines a rectangle in the plane using floating point precision. ...
Definition: qrect.h:511
QOpenGLPaintEngineState * state()
QFont font() const
Returns the font in the current paint engine state.
Definition: qpainter.cpp:9331
static void drawRects(const T *rects, int n, const QTransform &transform, IDirectFBSurface *surface)
The QPolygonF class provides a vector of points using floating point precision.
Definition: qpolygon.h:134
The QImage class provides a hardware-independent image representation that allows direct access to th...
Definition: qimage.h:87
unsigned int uint
Definition: qglobal.h:996
The QRegion class specifies a clip region for a painter.
Definition: qregion.h:68
void * HANDLE
Definition: qnamespace.h:1671
const QOpenGLPaintEngineState * state() const
The QBrush class defines the fill pattern of shapes drawn by QPainter.
Definition: qbrush.h:76
unsigned int GLenum
Definition: main.cpp:50
Type type() const
Reimplement this function to return the paint engine Type.
The QFont class specifies a font used for drawing text.
Definition: qfont.h:64
The QPoint class defines a point in the plane using integer precision.
Definition: qpoint.h:53
The QRect class defines a rectangle in the plane using integer precision.
Definition: qrect.h:58
static void drawPoints(const T *points, int n, const QTransform &transform, IDirectFBSurface *surface)
The QPixmap class is an off-screen image representation that can be used as a paint device...
Definition: qpixmap.h:71
The QPaintEngineState class provides information about the active paint engine&#39;s current state...
Definition: qpaintengine.h:289
#define Q_DECLARE_PRIVATE(Class)
Definition: qglobal.h:2467
QPen pen() const
Returns the pen in the current paint engine state.
Definition: qpainter.cpp:9259
static void drawLines(const T *lines, int n, const QTransform &transform, IDirectFBSurface *surface)
The QTextItem class provides all the information required to draw text in a custom paint engine...
Definition: qpaintengine.h:68
static const KeyPair *const end
QPainterState * state()
The QTransform class specifies 2D transformations of a coordinate system.
Definition: qtransform.h:65
ClipOperation
Definition: qnamespace.h:1495