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-rw-r--r--src/gui/painting/qpaintengine_raster.cpp87
1 files changed, 58 insertions, 29 deletions
diff --git a/src/gui/painting/qpaintengine_raster.cpp b/src/gui/painting/qpaintengine_raster.cpp
index 05ccff5de0..4ab029cf7a 100644
--- a/src/gui/painting/qpaintengine_raster.cpp
+++ b/src/gui/painting/qpaintengine_raster.cpp
@@ -1,31 +1,37 @@
/****************************************************************************
**
-** Copyright (C) 2015 The Qt Company Ltd.
-** Contact: http://www.qt.io/licensing/
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtGui module of the Qt Toolkit.
**
-** $QT_BEGIN_LICENSE:LGPL21$
+** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
-** and conditions see http://www.qt.io/terms-conditions. For further
-** information use the contact form at http://www.qt.io/contact-us.
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
-** General Public License version 2.1 or version 3 as published by the Free
-** Software Foundation and appearing in the file LICENSE.LGPLv21 and
-** LICENSE.LGPLv3 included in the packaging of this file. Please review the
-** following information to ensure the GNU Lesser General Public License
-** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
-** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
-** As a special exception, The Qt Company gives you certain additional
-** rights. These rights are described in The Qt Company LGPL Exception
-** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or (at your option) the GNU General
+** Public license version 3 or any later version approved by the KDE Free
+** Qt Foundation. The licenses are as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-2.0.html and
+** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
@@ -683,6 +689,7 @@ void QRasterPaintEngine::penChanged()
qDebug() << "QRasterPaintEngine::penChanged():" << state()->pen;
#endif
QRasterPaintEngineState *s = state();
+ Q_ASSERT(s);
s->strokeFlags |= DirtyPen;
s->dirty |= DirtyPen;
}
@@ -1156,7 +1163,7 @@ void QRasterPaintEngine::clip(const QVectorPath &path, Qt::ClipOperation op)
if (s->matrix.type() <= QTransform::TxScale
&& path.isRect()) {
#ifdef QT_DEBUG_DRAW
- qDebug() << " --- optimizing vector clip to rect clip...";
+ qDebug(" --- optimizing vector clip to rect clip...");
#endif
const qreal *points = path.points();
QRectF r(points[0], points[1], points[4]-points[0], points[5]-points[1]);
@@ -1338,9 +1345,9 @@ void QRasterPaintEngine::clip(const QRegion &region, Qt::ClipOperation op)
*/
-/*!
- \internal
-*/
+///*!
+// \internal
+//*/
void QRasterPaintEngine::fillPath(const QPainterPath &path, QSpanData *fillData)
{
#ifdef QT_DEBUG_DRAW
@@ -2194,6 +2201,7 @@ void QRasterPaintEngine::drawImage(const QRectF &r, const QImage &img, const QRe
Q_D(QRasterPaintEngine);
QRasterPaintEngineState *s = state();
+ Q_ASSERT(s);
int sr_l = qFloor(sr.left());
int sr_r = qCeil(sr.right()) - 1;
int sr_t = qFloor(sr.top());
@@ -2431,6 +2439,7 @@ void QRasterPaintEngine::drawTiledPixmap(const QRectF &r, const QPixmap &pixmap,
#endif
Q_D(QRasterPaintEngine);
QRasterPaintEngineState *s = state();
+ Q_ASSERT(s);
QImage image;
@@ -3610,7 +3619,7 @@ QImage QRasterBuffer::colorizeBitmap(const QImage &image, const QColor &color)
{
Q_ASSERT(image.depth() == 1);
- QImage sourceImage = image.convertToFormat(QImage::Format_MonoLSB);
+ const QImage sourceImage = image.convertToFormat(QImage::Format_MonoLSB);
QImage dest = QImage(sourceImage.size(), QImage::Format_ARGB32_Premultiplied);
QRgb fg = qPremultiply(color.rgba());
@@ -3619,7 +3628,7 @@ QImage QRasterBuffer::colorizeBitmap(const QImage &image, const QColor &color)
int height = sourceImage.height();
int width = sourceImage.width();
for (int y=0; y<height; ++y) {
- uchar *source = sourceImage.scanLine(y);
+ const uchar *source = sourceImage.constScanLine(y);
QRgb *target = reinterpret_cast<QRgb *>(dest.scanLine(y));
if (!source || !target)
QT_THROW(std::bad_alloc()); // we must have run out of memory
@@ -4138,7 +4147,8 @@ class QGradientCache
{
inline CacheInfo(QGradientStops s, int op, QGradient::InterpolationMode mode) :
stops(qMove(s)), opacity(op), interpolationMode(mode) {}
- QRgba64 buffer[GRADIENT_STOPTABLE_SIZE];
+ QRgba64 buffer64[GRADIENT_STOPTABLE_SIZE];
+ QRgb buffer32[GRADIENT_STOPTABLE_SIZE];
QGradientStops stops;
int opacity;
QGradient::InterpolationMode interpolationMode;
@@ -4147,7 +4157,9 @@ class QGradientCache
typedef QMultiHash<quint64, CacheInfo> QGradientColorTableHash;
public:
- inline const QRgba64 *getBuffer(const QGradient &gradient, int opacity) {
+ typedef QPair<const QRgb *, const QRgba64 *> ColorBufferPair;
+
+ inline ColorBufferPair getBuffer(const QGradient &gradient, int opacity) {
quint64 hash_val = 0;
const QGradientStops stops = gradient.stops();
@@ -4163,7 +4175,8 @@ public:
do {
const CacheInfo &cache_info = it.value();
if (cache_info.stops == stops && cache_info.opacity == opacity && cache_info.interpolationMode == gradient.interpolationMode())
- return cache_info.buffer;
+ return qMakePair(reinterpret_cast<const QRgb *>(cache_info.buffer32),
+ reinterpret_cast<const QRgba64 *>(cache_info.buffer64));
++it;
} while (it != cache.constEnd() && it.key() == hash_val);
// an exact match for these stops and opacity was not found, create new cache
@@ -4177,14 +4190,18 @@ protected:
inline void generateGradientColorTable(const QGradient& g,
QRgba64 *colorTable,
int size, int opacity) const;
- QRgba64 *addCacheElement(quint64 hash_val, const QGradient &gradient, int opacity) {
+ ColorBufferPair addCacheElement(quint64 hash_val, const QGradient &gradient, int opacity) {
if (cache.size() == maxCacheSize()) {
// may remove more than 1, but OK
cache.erase(cache.begin() + (qrand() % maxCacheSize()));
}
CacheInfo cache_entry(gradient.stops(), opacity, gradient.interpolationMode());
- generateGradientColorTable(gradient, cache_entry.buffer, paletteSize(), opacity);
- return cache.insert(hash_val, cache_entry).value().buffer;
+ generateGradientColorTable(gradient, cache_entry.buffer64, paletteSize(), opacity);
+ for (int i = 0; i < GRADIENT_STOPTABLE_SIZE; ++i)
+ cache_entry.buffer32[i] = cache_entry.buffer64[i].toArgb32();
+ CacheInfo &cache_value = cache.insert(hash_val, cache_entry).value();
+ return qMakePair(reinterpret_cast<const QRgb *>(cache_value.buffer32),
+ reinterpret_cast<const QRgba64 *>(cache_value.buffer64));
}
QGradientColorTableHash cache;
@@ -4418,7 +4435,11 @@ void QSpanData::setup(const QBrush &brush, int alpha, QPainter::CompositionMode
type = LinearGradient;
const QLinearGradient *g = static_cast<const QLinearGradient *>(brush.gradient());
gradient.alphaColor = !brush.isOpaque() || alpha != 256;
- gradient.colorTable = const_cast<QRgba64*>(qt_gradient_cache()->getBuffer(*g, alpha));
+
+ QGradientCache::ColorBufferPair colorBuffers = qt_gradient_cache()->getBuffer(*g, alpha);
+ gradient.colorTable64 = colorBuffers.second;
+ gradient.colorTable32 = colorBuffers.first;
+
gradient.spread = g->spread();
QLinearGradientData &linearData = gradient.linear;
@@ -4435,7 +4456,11 @@ void QSpanData::setup(const QBrush &brush, int alpha, QPainter::CompositionMode
type = RadialGradient;
const QRadialGradient *g = static_cast<const QRadialGradient *>(brush.gradient());
gradient.alphaColor = !brush.isOpaque() || alpha != 256;
- gradient.colorTable = const_cast<QRgba64*>(qt_gradient_cache()->getBuffer(*g, alpha));
+
+ QGradientCache::ColorBufferPair colorBuffers = qt_gradient_cache()->getBuffer(*g, alpha);
+ gradient.colorTable64 = colorBuffers.second;
+ gradient.colorTable32 = colorBuffers.first;
+
gradient.spread = g->spread();
QRadialGradientData &radialData = gradient.radial;
@@ -4456,7 +4481,11 @@ void QSpanData::setup(const QBrush &brush, int alpha, QPainter::CompositionMode
type = ConicalGradient;
const QConicalGradient *g = static_cast<const QConicalGradient *>(brush.gradient());
gradient.alphaColor = !brush.isOpaque() || alpha != 256;
- gradient.colorTable = const_cast<QRgba64*>(qt_gradient_cache()->getBuffer(*g, alpha));
+
+ QGradientCache::ColorBufferPair colorBuffers = qt_gradient_cache()->getBuffer(*g, alpha);
+ gradient.colorTable64 = colorBuffers.second;
+ gradient.colorTable32 = colorBuffers.first;
+
gradient.spread = QGradient::RepeatSpread;
QConicalGradientData &conicalData = gradient.conical;
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-21 02:17:06 +0000