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-rw-r--r--src/gui/painting/qpaintengine_alpha.cpp516
1 files changed, 0 insertions, 516 deletions
diff --git a/src/gui/painting/qpaintengine_alpha.cpp b/src/gui/painting/qpaintengine_alpha.cpp
deleted file mode 100644
index beda2c7144..0000000000
--- a/src/gui/painting/qpaintengine_alpha.cpp
+++ /dev/null
@@ -1,516 +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 QtGui module of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** GNU Lesser General Public License Usage
-** This file may be used under the terms of the GNU Lesser General Public
-** License version 2.1 as published by the Free Software Foundation and
-** appearing in the file LICENSE.LGPL included in the packaging of this
-** file. Please review the following information to ensure the GNU Lesser
-** General Public License version 2.1 requirements will be met:
-** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
-**
-** In addition, as a special exception, Nokia gives you certain additional
-** rights. These rights are described in the Nokia Qt 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 3.0 as published by the Free Software Foundation
-** and appearing in the file LICENSE.GPL included in the packaging of this
-** file. Please review the following information to ensure the GNU General
-** Public License version 3.0 requirements will be met:
-** http://www.gnu.org/copyleft/gpl.html.
-**
-** Other Usage
-** Alternatively, this file may be used in accordance with the terms and
-** conditions contained in a signed written agreement between you and Nokia.
-**
-**
-**
-**
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include <qglobal.h>
-
-#ifndef QT_NO_PRINTER
-#include <qdebug.h>
-#include "private/qpaintengine_alpha_p.h"
-
-#include "private/qpicture_p.h"
-#include "private/qfont_p.h"
-#include "QtGui/qpicture.h"
-
-QT_BEGIN_NAMESPACE
-
-QAlphaPaintEngine::QAlphaPaintEngine(QAlphaPaintEnginePrivate &data, PaintEngineFeatures devcaps)
- : QPaintEngine(data, devcaps)
-{
-
-}
-
-QAlphaPaintEngine::~QAlphaPaintEngine()
-{
-
-}
-
-bool QAlphaPaintEngine::begin(QPaintDevice *pdev)
-{
- Q_D(QAlphaPaintEngine);
-
- d->m_continueCall = true;
- if (d->m_pass != 0) {
- return true;
- }
-
- d->m_savedcaps = gccaps;
- d->m_pdev = pdev;
-
- d->m_alphaPen = false;
- d->m_alphaBrush = false;
- d->m_alphaOpacity = false;
- d->m_hasalpha = false;
- d->m_advancedPen = false;
- d->m_advancedBrush = false;
- d->m_complexTransform = false;
- d->m_emulateProjectiveTransforms = false;
-
- // clear alpha region
- d->m_alphargn = QRegion();
- d->m_cliprgn = QRegion();
- d->m_pen = QPen();
- d->m_transform = QTransform();
-
- flushAndInit();
-
- return true;
-}
-
-bool QAlphaPaintEngine::end()
-{
- Q_D(QAlphaPaintEngine);
-
- d->m_continueCall = true;
- if (d->m_pass != 0) {
- return true;
- }
-
- flushAndInit(false);
- return true;
-}
-
-void QAlphaPaintEngine::updateState(const QPaintEngineState &state)
-{
- Q_D(QAlphaPaintEngine);
-
- DirtyFlags flags = state.state();
- if (flags & QPaintEngine::DirtyTransform) {
- d->m_transform = state.transform();
- d->m_complexTransform = (d->m_transform.type() > QTransform::TxScale);
- d->m_emulateProjectiveTransforms = !(d->m_savedcaps & QPaintEngine::PerspectiveTransform)
- && !(d->m_savedcaps & QPaintEngine::AlphaBlend)
- && (d->m_transform.type() >= QTransform::TxProject);
- }
- if (flags & QPaintEngine::DirtyPen) {
- d->m_pen = state.pen();
- if (d->m_pen.style() == Qt::NoPen) {
- d->m_advancedPen = false;
- d->m_alphaPen = false;
- } else {
- d->m_advancedPen = (d->m_pen.brush().style() != Qt::SolidPattern);
- d->m_alphaPen = !d->m_pen.brush().isOpaque();
- }
- }
-
- if (d->m_pass != 0) {
- d->m_continueCall = true;
- return;
- }
- d->m_continueCall = false;
-
- if (flags & QPaintEngine::DirtyOpacity) {
- d->m_alphaOpacity = (state.opacity() != 1.0f);
- }
-
- if (flags & QPaintEngine::DirtyBrush) {
- if (state.brush().style() == Qt::NoBrush) {
- d->m_advancedBrush = false;
- d->m_alphaBrush = false;
- } else {
- d->m_advancedBrush = (state.brush().style() != Qt::SolidPattern);
- d->m_alphaBrush = !state.brush().isOpaque();
- }
- }
-
-
- d->m_hasalpha = d->m_alphaOpacity || d->m_alphaBrush || d->m_alphaPen;
-
- if (d->m_picengine)
- d->m_picengine->updateState(state);
-}
-
-void QAlphaPaintEngine::drawPath(const QPainterPath &path)
-{
- Q_D(QAlphaPaintEngine);
-
- QRectF tr = d->addPenWidth(path);
-
- if (d->m_pass == 0) {
- d->m_continueCall = false;
- if (d->m_hasalpha || d->m_advancedPen || d->m_advancedBrush
- || d->m_emulateProjectiveTransforms)
- {
- d->addAlphaRect(tr);
- }
- if (d->m_picengine)
- d->m_picengine->drawPath(path);
- } else {
- d->m_continueCall = !d->fullyContained(tr);
- }
-}
-
-void QAlphaPaintEngine::drawPolygon(const QPointF *points, int pointCount, PolygonDrawMode mode)
-{
- Q_D(QAlphaPaintEngine);
-
- QPolygonF poly;
- for (int i=0; i<pointCount; ++i)
- poly.append(points[i]);
-
- QPainterPath path;
- path.addPolygon(poly);
- QRectF tr = d->addPenWidth(path);
-
- if (d->m_pass == 0) {
- d->m_continueCall = false;
- if (d->m_hasalpha || d->m_advancedPen || d->m_advancedBrush
- || d->m_emulateProjectiveTransforms)
- {
- d->addAlphaRect(tr);
- }
-
- if (d->m_picengine)
- d->m_picengine->drawPolygon(points, pointCount, mode);
- } else {
- d->m_continueCall = !d->fullyContained(tr);
- }
-}
-
-void QAlphaPaintEngine::drawPixmap(const QRectF &r, const QPixmap &pm, const QRectF &sr)
-{
- Q_D(QAlphaPaintEngine);
-
- QRectF tr = d->m_transform.mapRect(r);
- if (d->m_pass == 0) {
- d->m_continueCall = false;
- if (pm.hasAlpha() || d->m_alphaOpacity || d->m_complexTransform || pm.isQBitmap()) {
- d->addAlphaRect(tr);
- }
-
- if (d->m_picengine)
- d->m_picengine->drawPixmap(r, pm, sr);
-
- } else {
- d->m_continueCall = !d->fullyContained(tr);
- }
-}
-
-void QAlphaPaintEngine::drawImage(const QRectF &r, const QImage &image, const QRectF &sr)
-{
- Q_D(QAlphaPaintEngine);
-
- QRectF tr = d->m_transform.mapRect(r);
- if (d->m_pass == 0) {
- d->m_continueCall = false;
- if (image.hasAlphaChannel() || d->m_alphaOpacity || d->m_complexTransform) {
- d->addAlphaRect(tr);
- }
-
- if (d->m_picengine)
- d->m_picengine->drawImage(r, image, sr);
-
- } else {
- d->m_continueCall = !d->fullyContained(tr);
- }
-}
-
-void QAlphaPaintEngine::drawTextItem(const QPointF &p, const QTextItem &textItem)
-{
- Q_D(QAlphaPaintEngine);
-
- QRectF tr(p.x(), p.y() - textItem.ascent(), textItem.width() + 5, textItem.ascent() + textItem.descent() + 5);
- tr = d->m_transform.mapRect(tr);
-
- if (d->m_pass == 0) {
- d->m_continueCall = false;
- if (d->m_alphaPen || d->m_alphaOpacity || d->m_advancedPen) {
- d->addAlphaRect(tr);
- }
- if (d->m_picengine) {
- d->m_picengine->drawTextItem(p, textItem);
- }
- } else {
- d->m_continueCall = !d->fullyContained(tr);
- }
-}
-
-void QAlphaPaintEngine::drawTiledPixmap(const QRectF &r, const QPixmap &pixmap, const QPointF &s)
-{
- Q_D(QAlphaPaintEngine);
-
- QRectF brect = d->m_transform.mapRect(r);
-
- if (d->m_pass == 0) {
- d->m_continueCall = false;
- if (pixmap.hasAlpha() || d->m_alphaOpacity || d->m_complexTransform || pixmap.isQBitmap()) {
- d->addAlphaRect(brect);
- }
- if (d->m_picengine)
- d->m_picengine->drawTiledPixmap(r, pixmap, s);
- } else {
- d->m_continueCall = !d->fullyContained(brect);
- }
-}
-
-QRegion QAlphaPaintEngine::alphaClipping() const
-{
- Q_D(const QAlphaPaintEngine);
- return d->m_cliprgn;
-}
-
-bool QAlphaPaintEngine::continueCall() const
-{
- Q_D(const QAlphaPaintEngine);
- return d->m_continueCall;
-}
-
-void QAlphaPaintEngine::flushAndInit(bool init)
-{
- Q_D(QAlphaPaintEngine);
- Q_ASSERT(d->m_pass == 0);
-
- if (d->m_pic) {
- d->m_picpainter->end();
-
- // set clip region
- d->m_alphargn = d->m_alphargn.intersected(QRect(0, 0, d->m_pdev->width(), d->m_pdev->height()));
-
- // just use the bounding rect if it's a complex region..
- QVector<QRect> rects = d->m_alphargn.rects();
- if (rects.size() > 10) {
- QRect br = d->m_alphargn.boundingRect();
- d->m_alphargn = QRegion(br);
- rects.clear();
- rects.append(br);
- }
-
- d->m_cliprgn = d->m_alphargn;
-
- // now replay the QPicture
- ++d->m_pass; // we are now doing pass #2
-
- // reset states
- gccaps = d->m_savedcaps;
-
- painter()->save();
- d->resetState(painter());
-
- // make sure the output from QPicture is unscaled
- QTransform mtx;
- mtx.scale(1.0f / (qreal(d->m_pdev->logicalDpiX()) / qreal(qt_defaultDpiX())),
- 1.0f / (qreal(d->m_pdev->logicalDpiY()) / qreal(qt_defaultDpiY())));
- painter()->setTransform(mtx);
- painter()->drawPicture(0, 0, *d->m_pic);
-
- d->m_cliprgn = QRegion();
- d->resetState(painter());
-
- // fill in the alpha images
- for (int i=0; i<rects.size(); ++i)
- d->drawAlphaImage(rects.at(i));
-
- d->m_alphargn = QRegion();
-
- painter()->restore();
-
- --d->m_pass; // pass #2 finished
-
- cleanUp();
- }
-
- if (init) {
- gccaps = PaintEngineFeatures(AllFeatures & ~QPaintEngine::ObjectBoundingModeGradients);
-
- d->m_pic = new QPicture();
- d->m_pic->d_ptr->in_memory_only = true;
- d->m_picpainter = new QPainter(d->m_pic);
- d->m_picengine = d->m_picpainter->paintEngine();
-
- // When newPage() is called and the m_picpainter is recreated
- // we have to copy the current state of the original printer
- // painter back to the m_picpainter
- d->m_picpainter->setPen(painter()->pen());
- d->m_picpainter->setBrush(painter()->brush());
- d->m_picpainter->setBrushOrigin(painter()->brushOrigin());
- d->m_picpainter->setFont(painter()->font());
- d->m_picpainter->setOpacity(painter()->opacity());
- d->m_picpainter->setTransform(painter()->combinedTransform());
- d->m_picengine->syncState();
- }
-}
-
-void QAlphaPaintEngine::cleanUp()
-{
- Q_D(QAlphaPaintEngine);
-
- delete d->m_picpainter;
- delete d->m_pic;
-
- d->m_picpainter = 0;
- d->m_pic = 0;
- d->m_picengine = 0;
-}
-
-QAlphaPaintEnginePrivate::QAlphaPaintEnginePrivate()
- : m_pass(0),
- m_pic(0),
- m_picengine(0),
- m_picpainter(0),
- m_hasalpha(false),
- m_alphaPen(false),
- m_alphaBrush(false),
- m_alphaOpacity(false),
- m_advancedPen(false),
- m_advancedBrush(false),
- m_complexTransform(false)
-{
-
-}
-
-QAlphaPaintEnginePrivate::~QAlphaPaintEnginePrivate()
-{
- delete m_picpainter;
- delete m_pic;
-}
-
-QRectF QAlphaPaintEnginePrivate::addPenWidth(const QPainterPath &path)
-{
- QPainterPath tmp = path;
-
- if (m_pen.style() == Qt::NoPen)
- return (path.controlPointRect() * m_transform).boundingRect();
- if (m_pen.isCosmetic())
- tmp = path * m_transform;
-
- QPainterPathStroker stroker;
- if (m_pen.widthF() == 0.0f)
- stroker.setWidth(1.0);
- else
- stroker.setWidth(m_pen.widthF());
- stroker.setJoinStyle(m_pen.joinStyle());
- stroker.setCapStyle(m_pen.capStyle());
- tmp = stroker.createStroke(tmp);
- if (m_pen.isCosmetic())
- return tmp.controlPointRect();
-
- return (tmp.controlPointRect() * m_transform).boundingRect();
-}
-
-QRect QAlphaPaintEnginePrivate::toRect(const QRectF &rect) const
-{
- QRect r;
- r.setLeft(int(rect.left()));
- r.setTop(int(rect.top()));
- r.setRight(int(rect.right() + 1));
- r.setBottom(int(rect.bottom() + 1));
- return r;
-}
-
-void QAlphaPaintEnginePrivate::addAlphaRect(const QRectF &rect)
-{
- m_alphargn |= toRect(rect);
-}
-
-void QAlphaPaintEnginePrivate::drawAlphaImage(const QRectF &rect)
-{
- Q_Q(QAlphaPaintEngine);
-
- qreal dpiX = qMax(m_pdev->logicalDpiX(), 300);
- qreal dpiY = qMax(m_pdev->logicalDpiY(), 300);
- qreal xscale = (dpiX / m_pdev->logicalDpiX());
- qreal yscale = (dpiY / m_pdev->logicalDpiY());
-
- QTransform picscale;
- picscale.scale(xscale, yscale);
-
- const int tileSize = 2048;
- QSize size((int(rect.width() * xscale)), int(rect.height() * yscale));
- int divw = (size.width() / tileSize);
- int divh = (size.height() / tileSize);
- divw += 1;
- divh += 1;
-
- int incx = int(rect.width() / divw);
- int incy = int(rect.height() / divh);
-
- for (int y=0; y<divh; ++y) {
- int ypos = int((incy * y) + rect.y());
- int height = int((y == (divh - 1)) ? (rect.height() - (incy * y)) : incy) + 1;
-
- for (int x=0; x<divw; ++x) {
- int xpos = int((incx * x) + rect.x());
- int width = int((x == (divw - 1)) ? (rect.width() - (incx * x)) : incx) + 1;
-
- QSize imgsize((int)(width * xscale), (int)(height * yscale));
- QImage img(imgsize, QImage::Format_RGB32);
- img.fill(0xffffffff);
-
- QPainter imgpainter(&img);
- imgpainter.setTransform(picscale);
- QPointF picpos(qreal(-xpos), qreal(-ypos));
- imgpainter.drawPicture(picpos, *m_pic);
- imgpainter.end();
-
- q->painter()->setTransform(QTransform());
- QRect r(xpos, ypos, width, height);
- q->painter()->drawImage(r, img);
- }
- }
-}
-
-bool QAlphaPaintEnginePrivate::fullyContained(const QRectF &rect) const
-{
- QRegion r(toRect(rect));
- return (m_cliprgn.intersected(r) == r);
-}
-
-void QAlphaPaintEnginePrivate::resetState(QPainter *p)
-{
- p->setPen(QPen());
- p->setBrush(QBrush());
- p->setBrushOrigin(0,0);
- p->setBackground(QBrush());
- p->setFont(QFont());
- p->setTransform(QTransform());
- // The view transform is already recorded and included in the
- // picture we're about to replay. If we don't turn if off,
- // the view matrix will be applied twice.
- p->setViewTransformEnabled(false);
- p->setClipRegion(QRegion(), Qt::NoClip);
- p->setClipPath(QPainterPath(), Qt::NoClip);
- p->setClipping(false);
- p->setOpacity(1.0f);
-}
-
-
-QT_END_NAMESPACE
-
-#endif // QT_NO_PRINTER