| Absolute File Name: | /home/qt/qt5_coco/qt5/qtbase/src/gui/painting/qpaintdevice.cpp |
| Source code | Switch to Preprocessed file |
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| 1 | /**************************************************************************** | - | ||||||
| 2 | ** | - | ||||||
| 3 | ** Copyright (C) 2015 The Qt Company Ltd. | - | ||||||
| 4 | ** Contact: http://www.qt.io/licensing/ | - | ||||||
| 5 | ** | - | ||||||
| 6 | ** This file is part of the QtGui module of the Qt Toolkit. | - | ||||||
| 7 | ** | - | ||||||
| 8 | ** $QT_BEGIN_LICENSE:LGPL21$ | - | ||||||
| 9 | ** Commercial License Usage | - | ||||||
| 10 | ** Licensees holding valid commercial Qt licenses may use this file in | - | ||||||
| 11 | ** accordance with the commercial license agreement provided with the | - | ||||||
| 12 | ** Software or, alternatively, in accordance with the terms contained in | - | ||||||
| 13 | ** a written agreement between you and The Qt Company. For licensing terms | - | ||||||
| 14 | ** and conditions see http://www.qt.io/terms-conditions. For further | - | ||||||
| 15 | ** information use the contact form at http://www.qt.io/contact-us. | - | ||||||
| 16 | ** | - | ||||||
| 17 | ** GNU Lesser General Public License Usage | - | ||||||
| 18 | ** Alternatively, this file may be used under the terms of the GNU Lesser | - | ||||||
| 19 | ** General Public License version 2.1 or version 3 as published by the Free | - | ||||||
| 20 | ** Software Foundation and appearing in the file LICENSE.LGPLv21 and | - | ||||||
| 21 | ** LICENSE.LGPLv3 included in the packaging of this file. Please review the | - | ||||||
| 22 | ** following information to ensure the GNU Lesser General Public License | - | ||||||
| 23 | ** requirements will be met: https://www.gnu.org/licenses/lgpl.html and | - | ||||||
| 24 | ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. | - | ||||||
| 25 | ** | - | ||||||
| 26 | ** As a special exception, The Qt Company gives you certain additional | - | ||||||
| 27 | ** rights. These rights are described in The Qt Company LGPL Exception | - | ||||||
| 28 | ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. | - | ||||||
| 29 | ** | - | ||||||
| 30 | ** $QT_END_LICENSE$ | - | ||||||
| 31 | ** | - | ||||||
| 32 | ****************************************************************************/ | - | ||||||
| 33 | - | |||||||
| 34 | #include "qpaintdevice.h" | - | ||||||
| 35 | - | |||||||
| 36 | QT_BEGIN_NAMESPACE | - | ||||||
| 37 | - | |||||||
| 38 | QPaintDevice::QPaintDevice() Q_DECL_NOEXCEPT | - | ||||||
| 39 | { | - | ||||||
| 40 | reserved = 0; | - | ||||||
| 41 | painters = 0; | - | ||||||
| 42 | } never executed: end of block | 0 | ||||||
| 43 | - | |||||||
| 44 | QPaintDevice::~QPaintDevice() | - | ||||||
| 45 | { | - | ||||||
| 46 | if (paintingActive())
| 0 | ||||||
| 47 | qWarning("QPaintDevice: Cannot destroy paint device that is being " never executed: QMessageLogger(__FILE__, 47, __PRETTY_FUNCTION__).warning("QPaintDevice: Cannot destroy paint device that is being " "painted"); | 0 | ||||||
| 48 | "painted"); never executed: QMessageLogger(__FILE__, 47, __PRETTY_FUNCTION__).warning("QPaintDevice: Cannot destroy paint device that is being " "painted"); | 0 | ||||||
| 49 | } never executed: end of block | 0 | ||||||
| 50 | - | |||||||
| 51 | - | |||||||
| 52 | /*! | - | ||||||
| 53 | \internal | - | ||||||
| 54 | */ | - | ||||||
| 55 | void QPaintDevice::initPainter(QPainter *) const | - | ||||||
| 56 | { | - | ||||||
| 57 | } | - | ||||||
| 58 | - | |||||||
| 59 | /*! | - | ||||||
| 60 | \internal | - | ||||||
| 61 | */ | - | ||||||
| 62 | QPaintDevice *QPaintDevice::redirected(QPoint *) const | - | ||||||
| 63 | { | - | ||||||
| 64 | return 0; never executed: return 0; | 0 | ||||||
| 65 | } | - | ||||||
| 66 | - | |||||||
| 67 | /*! | - | ||||||
| 68 | \internal | - | ||||||
| 69 | */ | - | ||||||
| 70 | QPainter *QPaintDevice::sharedPainter() const | - | ||||||
| 71 | { | - | ||||||
| 72 | return 0; never executed: return 0; | 0 | ||||||
| 73 | } | - | ||||||
| 74 | - | |||||||
| 75 | Q_GUI_EXPORT int qt_paint_device_metric(const QPaintDevice *device, QPaintDevice::PaintDeviceMetric metric) | - | ||||||
| 76 | { | - | ||||||
| 77 | return device->metric(metric); never executed: return device->metric(metric); | 0 | ||||||
| 78 | } | - | ||||||
| 79 | - | |||||||
| 80 | int QPaintDevice::metric(PaintDeviceMetric m) const | - | ||||||
| 81 | { | - | ||||||
| 82 | // Fallback: A subclass has not implemented PdmDevicePixelRatioScaled but might | - | ||||||
| 83 | // have implemented PdmDevicePixelRatio. | - | ||||||
| 84 | if (m == PdmDevicePixelRatioScaled)
| 0 | ||||||
| 85 | return this->metric(PdmDevicePixelRatio) * devicePixelRatioFScale(); never executed: return this->metric(PdmDevicePixelRatio) * devicePixelRatioFScale(); | 0 | ||||||
| 86 | - | |||||||
| 87 | qWarning("QPaintDevice::metrics: Device has no metric information"); | - | ||||||
| 88 | - | |||||||
| 89 | if (m == PdmDpiX) {
| 0 | ||||||
| 90 | return 72; never executed: return 72; | 0 | ||||||
| 91 | } else if (m == PdmDpiY) {
| 0 | ||||||
| 92 | return 72; never executed: return 72; | 0 | ||||||
| 93 | } else if (m == PdmNumColors) {
| 0 | ||||||
| 94 | // FIXME: does this need to be a real value? | - | ||||||
| 95 | return 256; never executed: return 256; | 0 | ||||||
| 96 | } else if (m == PdmDevicePixelRatio) {
| 0 | ||||||
| 97 | return 1; never executed: return 1; | 0 | ||||||
| 98 | } else { | - | ||||||
| 99 | qDebug("Unrecognised metric %d!",m); | - | ||||||
| 100 | return 0; never executed: return 0; | 0 | ||||||
| 101 | } | - | ||||||
| 102 | } | - | ||||||
| 103 | - | |||||||
| 104 | QT_END_NAMESPACE | - | ||||||
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