summaryrefslogtreecommitdiffstats
path: root/examples/openvg/star/starwidget.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'examples/openvg/star/starwidget.cpp')
-rw-r--r--examples/openvg/star/starwidget.cpp115
1 files changed, 0 insertions, 115 deletions
diff --git a/examples/openvg/star/starwidget.cpp b/examples/openvg/star/starwidget.cpp
deleted file mode 100644
index 93438edb1e..0000000000
--- a/examples/openvg/star/starwidget.cpp
+++ /dev/null
@@ -1,115 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
-** All rights reserved.
-** Contact: Nokia Corporation (qt-info@nokia.com)
-**
-** This file is part of the QtOpenGL module 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."
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include "starwidget.h"
-
-StarWidget::StarWidget(QWidget *parent)
- : QWidget(parent)
- , path(VG_INVALID_HANDLE)
- , pen(Qt::red, 4.0, Qt::SolidLine, Qt::RoundCap, Qt::RoundJoin)
- , brush(Qt::yellow)
-{
- setMinimumSize(220, 250);
- setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::MinimumExpanding);
-}
-
-static VGubyte const starSegments[] = {
- VG_MOVE_TO_ABS,
- VG_LINE_TO_REL,
- VG_LINE_TO_REL,
- VG_LINE_TO_REL,
- VG_LINE_TO_REL,
- VG_CLOSE_PATH
-};
-static VGfloat const starCoords[] = {
- 110, 35,
- 50, 160,
- -130, -100,
- 160, 0,
- -130, 100
-};
-
-void StarWidget::paintEvent(QPaintEvent *)
-{
- QPainter painter;
- painter.begin(this);
-
- // Make sure that we are using the OpenVG paint engine.
- if (painter.paintEngine()->type() != QPaintEngine::OpenVG) {
-#ifdef Q_WS_QWS
- qWarning("Not using OpenVG: use the '-display' option to specify an OpenVG driver");
-#else
- qWarning("Not using OpenVG: specify '-graphicssystem OpenVG'");
-#endif
- return;
- }
-
- // Select a pen and a brush for drawing the star.
- painter.setPen(pen);
- painter.setBrush(brush);
-
- // We want the star border to be anti-aliased.
- painter.setRenderHints(QPainter::Antialiasing);
-
- // Flush the state changes to the OpenVG implementation
- // and prepare to perform raw OpenVG calls.
- painter.beginNativePainting();
-
- // Cache the path if we haven't already or if the path has
- // become invalid because the window's context has changed.
- if (path == VG_INVALID_HANDLE || !vgGetPathCapabilities(path)) {
- path = vgCreatePath(VG_PATH_FORMAT_STANDARD,
- VG_PATH_DATATYPE_F,
- 1.0f, // scale
- 0.0f, // bias
- 6, // segmentCapacityHint
- 10, // coordCapacityHint
- VG_PATH_CAPABILITY_ALL);
- vgAppendPathData(path, sizeof(starSegments), starSegments, starCoords);
- }
-
- // Draw the star directly using the OpenVG API.
- vgDrawPath(path, VG_FILL_PATH | VG_STROKE_PATH);
-
- // Restore normal QPainter operations.
- painter.endNativePainting();
-
- painter.end();
-}