diff options
Diffstat (limited to 'doc/src/snippets/code/src_gui_painting_qpainter.cpp')
-rw-r--r-- | doc/src/snippets/code/src_gui_painting_qpainter.cpp | 259 |
1 files changed, 0 insertions, 259 deletions
diff --git a/doc/src/snippets/code/src_gui_painting_qpainter.cpp b/doc/src/snippets/code/src_gui_painting_qpainter.cpp deleted file mode 100644 index 8caffa46f4..0000000000 --- a/doc/src/snippets/code/src_gui_painting_qpainter.cpp +++ /dev/null @@ -1,259 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). -** Contact: http://www.qt-project.org/ -** -** This file is part of the documentation of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** You may use this file under the terms of the BSD license as follows: -** -** "Redistribution and use in source and binary forms, with or without -** modification, are permitted provided that the following conditions are -** met: -** * Redistributions of source code must retain the above copyright -** notice, this list of conditions and the following disclaimer. -** * Redistributions in binary form must reproduce the above copyright -** notice, this list of conditions and the following disclaimer in -** the documentation and/or other materials provided with the -** distribution. -** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor -** the names of its contributors may be used to endorse or promote -** products derived from this software without specific prior written -** permission. -** -** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -//! [0] -void SimpleExampleWidget::paintEvent(QPaintEvent *) -{ - QPainter painter(this); - painter.setPen(Qt::blue); - painter.setFont(QFont("Arial", 30)); - painter.drawText(rect(), Qt::AlignCenter, "Qt"); -} -//! [0] - - -//! [1] -void MyWidget::paintEvent(QPaintEvent *) -{ - QPainter p; - p.begin(this); - p.drawLine(...); // drawing code - p.end(); -} -//! [1] - - -//! [2] -void MyWidget::paintEvent(QPaintEvent *) -{ - QPainter p(this); - p.drawLine(...); // drawing code -} -//! [2] - - -//! [3] -painter->begin(0); // impossible - paint device cannot be 0 - -QPixmap image(0, 0); -painter->begin(&image); // impossible - image.isNull() == true; - -painter->begin(myWidget); -painter2->begin(myWidget); // impossible - only one painter at a time -//! [3] - - -//! [4] -void QPainter::rotate(qreal angle) -{ - QMatrix matrix; - matrix.rotate(angle); - setWorldMatrix(matrix, true); -} -//! [4] - - -//! [5] -QPainterPath path; -path.moveTo(20, 80); -path.lineTo(20, 30); -path.cubicTo(80, 0, 50, 50, 80, 80); - -QPainter painter(this); -painter.drawPath(path); -//! [5] - - -//! [6] -QLineF line(10.0, 80.0, 90.0, 20.0); - -QPainter(this); -painter.drawLine(line); -//! [6] - - -//! [7] -QRectF rectangle(10.0, 20.0, 80.0, 60.0); - -QPainter painter(this); -painter.drawRect(rectangle); -//! [7] - - -//! [8] -QRectF rectangle(10.0, 20.0, 80.0, 60.0); - -QPainter painter(this); -painter.drawRoundedRect(rectangle, 20.0, 15.0); -//! [8] - - -//! [9] -QRectF rectangle(10.0, 20.0, 80.0, 60.0); - -QPainter painter(this); -painter.drawEllipse(rectangle); -//! [9] - - -//! [10] -QRectF rectangle(10.0, 20.0, 80.0, 60.0); -int startAngle = 30 * 16; -int spanAngle = 120 * 16; - -QPainter painter(this); -painter.drawArc(rectangle, startAngle, spanAngle); -//! [10] - - -//! [11] -QRectF rectangle(10.0, 20.0, 80.0, 60.0); -int startAngle = 30 * 16; -int spanAngle = 120 * 16; - -QPainter painter(this); -painter.drawPie(rectangle, startAngle, spanAngle); -//! [11] - - -//! [12] -QRectF rectangle(10.0, 20.0, 80.0, 60.0); -int startAngle = 30 * 16; -int spanAngle = 120 * 16; - -QPainter painter(this); -painter.drawChord(rect, startAngle, spanAngle); -//! [12] - - -//! [13] -static const QPointF points[3] = { - QPointF(10.0, 80.0), - QPointF(20.0, 10.0), - QPointF(80.0, 30.0), -}; - -QPainter painter(this); -painter.drawPolyline(points, 3); -//! [13] - - -//! [14] -static const QPointF points[4] = { - QPointF(10.0, 80.0), - QPointF(20.0, 10.0), - QPointF(80.0, 30.0), - QPointF(90.0, 70.0) -}; - -QPainter painter(this); -painter.drawPolygon(points, 4); -//! [14] - - -//! [15] -static const QPointF points[4] = { - QPointF(10.0, 80.0), - QPointF(20.0, 10.0), - QPointF(80.0, 30.0), - QPointF(90.0, 70.0) -}; - -QPainter painter(this); -painter.drawConvexPolygon(points, 4); -//! [15] - - -//! [16] -QRectF target(10.0, 20.0, 80.0, 60.0); -QRectF source(0.0, 0.0, 70.0, 40.0); -QPixmap pixmap(":myPixmap.png"); - -QPainter(this); -painter.drawPixmap(target, image, source); -//! [16] - - -//! [17] -QPainter painter(this); -painter.drawText(rect, Qt::AlignCenter, tr("Qt by\nNokia")); -//! [17] - - -//! [18] -QPicture picture; -QPointF point(10.0, 20.0) -picture.load("drawing.pic"); - -QPainter painter(this); -painter.drawPicture(0, 0, picture); -//! [18] - - -//! [19] -fillRect(rectangle, background()). -//! [19] - - -//! [20] -QRectF target(10.0, 20.0, 80.0, 60.0); -QRectF source(0.0, 0.0, 70.0, 40.0); -QImage image(":/images/myImage.png"); - -QPainter painter(this); -painter.drawImage(target, image, source); -//! [20] - - -//! [21] -QPainter painter(this); -painter.fillRect(0, 0, 128, 128, Qt::green); -painter.beginNativePainting(); - -glEnable(GL_SCISSOR_TEST); -glScissor(0, 0, 64, 64); - -glClearColor(1, 0, 0, 1); -glClear(GL_COLOR_BUFFER_BIT); - -glDisable(GL_SCISSOR_TEST); - -painter.endNativePainting(); -//! [21] |