[556] | 1 | /****************************************************************************
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| 2 | **
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[846] | 3 | ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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[556] | 4 | ** All rights reserved.
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| 5 | ** Contact: Nokia Corporation ([email protected])
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| 6 | **
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| 7 | ** This file is part of the QtOpenVG module of the Qt Toolkit.
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| 8 | **
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| 9 | ** $QT_BEGIN_LICENSE:LGPL$
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| 10 | ** Commercial Usage
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| 11 | ** Licensees holding valid Qt Commercial licenses may use this file in
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| 12 | ** accordance with the Qt Commercial License Agreement provided with the
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| 13 | ** Software or, alternatively, in accordance with the terms contained in
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| 14 | ** a written agreement between you and Nokia.
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| 15 | **
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| 16 | ** GNU Lesser General Public License Usage
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| 17 | ** Alternatively, this file may be used under the terms of the GNU Lesser
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| 18 | ** General Public License version 2.1 as published by the Free Software
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| 19 | ** Foundation and appearing in the file LICENSE.LGPL included in the
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| 20 | ** packaging of this file. Please review the following information to
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| 21 | ** ensure the GNU Lesser General Public License version 2.1 requirements
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| 22 | ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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| 23 | **
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| 24 | ** In addition, as a special exception, Nokia gives you certain additional
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| 25 | ** rights. These rights are described in the Nokia Qt LGPL Exception
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| 26 | ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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| 27 | **
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| 28 | ** GNU General Public License Usage
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| 29 | ** Alternatively, this file may be used under the terms of the GNU
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| 30 | ** General Public License version 3.0 as published by the Free Software
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| 31 | ** Foundation and appearing in the file LICENSE.GPL included in the
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| 32 | ** packaging of this file. Please review the following information to
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| 33 | ** ensure the GNU General Public License version 3.0 requirements will be
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| 34 | ** met: http://www.gnu.org/copyleft/gpl.html.
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| 35 | **
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| 36 | ** If you have questions regarding the use of this file, please contact
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| 37 | ** Nokia at [email protected].
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| 38 | ** $QT_END_LICENSE$
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| 39 | **
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| 40 | ****************************************************************************/
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| 41 |
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| 42 | #include "qpixmapdata_vg_p.h"
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| 43 | #include "qpaintengine_vg_p.h"
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| 44 | #include <QtGui/private/qdrawhelper_p.h>
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[846] | 45 | #if !defined(QT_NO_EGL)
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| 46 | #include <QtGui/private/qegl_p.h>
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| 47 | #endif
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[556] | 48 | #include "qvg_p.h"
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| 49 | #include "qvgimagepool_p.h"
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[846] | 50 | #include <QBuffer>
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| 51 | #include <QImageReader>
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| 52 | #include <QtGui/private/qimage_p.h>
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[556] | 53 |
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| 54 | QT_BEGIN_NAMESPACE
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| 55 |
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| 56 | static int qt_vg_pixmap_serial = 0;
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| 57 |
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| 58 | QVGPixmapData::QVGPixmapData(PixelType type)
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| 59 | : QPixmapData(type, OpenVGClass)
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| 60 | {
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| 61 | Q_ASSERT(type == QPixmapData::PixmapType);
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| 62 | vgImage = VG_INVALID_HANDLE;
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| 63 | vgImageOpacity = VG_INVALID_HANDLE;
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| 64 | cachedOpacity = 1.0f;
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| 65 | recreate = true;
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| 66 | inImagePool = false;
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| 67 | inLRU = false;
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[846] | 68 | failedToAlloc = false;
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[556] | 69 | #if !defined(QT_NO_EGL)
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| 70 | context = 0;
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| 71 | qt_vg_register_pixmap(this);
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| 72 | #endif
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| 73 | setSerialNumber(++qt_vg_pixmap_serial);
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| 74 | }
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| 75 |
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| 76 | QVGPixmapData::~QVGPixmapData()
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| 77 | {
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| 78 | destroyImageAndContext();
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| 79 | #if !defined(QT_NO_EGL)
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| 80 | qt_vg_unregister_pixmap(this);
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| 81 | #endif
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| 82 | }
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| 83 |
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| 84 | void QVGPixmapData::destroyImages()
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| 85 | {
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| 86 | if (inImagePool) {
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| 87 | QVGImagePool *pool = QVGImagePool::instance();
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| 88 | if (vgImage != VG_INVALID_HANDLE)
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| 89 | pool->releaseImage(this, vgImage);
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| 90 | if (vgImageOpacity != VG_INVALID_HANDLE)
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| 91 | pool->releaseImage(this, vgImageOpacity);
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| 92 | } else {
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| 93 | if (vgImage != VG_INVALID_HANDLE)
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| 94 | vgDestroyImage(vgImage);
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| 95 | if (vgImageOpacity != VG_INVALID_HANDLE)
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| 96 | vgDestroyImage(vgImageOpacity);
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| 97 | }
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| 98 | vgImage = VG_INVALID_HANDLE;
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| 99 | vgImageOpacity = VG_INVALID_HANDLE;
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| 100 | inImagePool = false;
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| 101 | }
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| 102 |
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| 103 | void QVGPixmapData::destroyImageAndContext()
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| 104 | {
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| 105 | if (vgImage != VG_INVALID_HANDLE) {
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| 106 | // We need to have a context current to destroy the image.
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| 107 | #if !defined(QT_NO_EGL)
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| 108 | if (context->isCurrent()) {
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| 109 | destroyImages();
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| 110 | } else {
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| 111 | // We don't currently have a widget surface active, but we
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| 112 | // need a surface to make the context current. So use the
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| 113 | // shared pbuffer surface instead.
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| 114 | context->makeCurrent(qt_vg_shared_surface());
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| 115 | destroyImages();
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| 116 | context->lazyDoneCurrent();
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| 117 | }
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| 118 | #else
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| 119 | destroyImages();
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| 120 | #endif
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| 121 | }
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| 122 | #if !defined(QT_NO_EGL)
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| 123 | if (context) {
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| 124 | qt_vg_destroy_context(context, QInternal::Pixmap);
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| 125 | context = 0;
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| 126 | }
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| 127 | #endif
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| 128 | recreate = true;
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| 129 | }
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| 130 |
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| 131 | QPixmapData *QVGPixmapData::createCompatiblePixmapData() const
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| 132 | {
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| 133 | return new QVGPixmapData(pixelType());
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| 134 | }
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| 135 |
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| 136 | bool QVGPixmapData::isValid() const
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| 137 | {
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| 138 | return (w > 0 && h > 0);
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| 139 | }
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| 140 |
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| 141 | void QVGPixmapData::resize(int wid, int ht)
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| 142 | {
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| 143 | if (w == wid && h == ht)
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| 144 | return;
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| 145 |
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| 146 | w = wid;
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| 147 | h = ht;
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| 148 | d = 32; // We always use ARGB_Premultiplied for VG pixmaps.
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| 149 | is_null = (w <= 0 || h <= 0);
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| 150 | source = QImage();
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| 151 | recreate = true;
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| 152 |
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| 153 | setSerialNumber(++qt_vg_pixmap_serial);
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| 154 | }
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| 155 |
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| 156 | void QVGPixmapData::fromImage
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| 157 | (const QImage &image, Qt::ImageConversionFlags flags)
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| 158 | {
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[846] | 159 | if(image.isNull())
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| 160 | return;
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| 161 |
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| 162 | QImage img = image;
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| 163 | createPixmapForImage(img, flags, false);
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