/****************************************************************************
**
** Copyright (C) 2009 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.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** 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 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.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <qmath.h>
#include <private/qpainterpath_p.h>
#include <private/qpaintbuffer_p.h>
//#include <private/qtextengine_p.h>
#include <private/qfontengine_p.h>
#include <private/qemulationpaintengine_p.h>
#include <private/qimage_p.h>
#include <QDebug>
// #define QPAINTBUFFER_DEBUG_DRAW
QT_BEGIN_NAMESPACE
extern int qt_defaultDpiX();
extern int qt_defaultDpiY();
extern void qt_format_text(const QFont &font,
const QRectF &_r, int tf, const QTextOption *option, const QString& str, QRectF *brect,
int tabstops, int* tabarray, int tabarraylen,
QPainter *painter);
QTextItemIntCopy::QTextItemIntCopy(const QTextItem &item)
: m_item(static_cast<const QTextItemInt &>(item))
{
QChar *chars = new QChar[m_item.num_chars];
unsigned short *logClusters = new unsigned short[m_item.num_chars];
memcpy(chars, m_item.chars, m_item.num_chars * sizeof(QChar));
memcpy(logClusters, m_item.logClusters, m_item.num_chars * sizeof(unsigned short));
m_item.chars = chars;
m_item.logClusters = logClusters;
const int size = QGlyphLayout::spaceNeededForGlyphLayout(m_item.glyphs.numGlyphs);
char *glyphLayoutData = new char[size];
QGlyphLayout glyphs(glyphLayoutData, m_item.glyphs.numGlyphs);
memcpy(glyphs.offsets, m_item.glyphs.offsets, m_item.glyphs.numGlyphs * sizeof(QFixedPoint));
memcpy(glyphs.glyphs, m_item.glyphs.glyphs, m_item.glyphs.numGlyphs * sizeof(HB_Glyph));
memcpy(glyphs.advances_x, m_item.glyphs.advances_x, m_item.glyphs.numGlyphs * sizeof(QFixed));
memcpy(glyphs.advances_y, m_item.glyphs.advances_y, m_item.glyphs.numGlyphs * sizeof(QFixed));
memcpy(glyphs.justifications, m_item.glyphs.justifications, m_item.glyphs.numGlyphs * sizeof(QGlyphJustification));
memcpy(glyphs.attributes, m_item.glyphs.attributes, m_item.glyphs.numGlyphs * sizeof(HB_GlyphAttributes));
m_item.glyphs = glyphs;
m_font = *m_item.f;
m_item.f = &m_font;
m_item.fontEngine->ref.ref(); // Increment reference count.
}
QTextItemIntCopy::~QTextItemIntCopy()
{
delete m_item.chars;
delete m_item.logClusters;
delete m_item.glyphs.data();
if (!m_item.fontEngine->ref.deref())
delete m_item.fontEngine;
}
/************************************************************************
*
* QPaintBufferSignalProxy
*
************************************************************************/
Q_GLOBAL_STATIC(QPaintBufferSignalProxy, theSignalProxy)
QPaintBufferSignalProxy *QPaintBufferSignalProxy::instance()
{
return theSignalProxy();
}
/************************************************************************
*
* QPaintBufferPrivate
*
************************************************************************/
QPaintBufferPrivate::QPaintBufferPrivate()
: ref(1), engine(0), penWidthAdjustment(0)
, calculateBoundingRect(true)
, cache(0)
{
}
QPaintBufferPrivate::~QPaintBufferPrivate()
{
QPaintBufferSignalProxy::instance()->emitAboutToDestroy(this);
for (int i = 0; i < commands.size(); ++i) {
const QPaintBufferCommand &cmd = commands.at(i);
if (cmd.id == QPaintBufferPrivate::Cmd_DrawTextItem)
delete reinterpret_cast<QTextItemIntCopy *>(qVariantValue<void *>(variants.at(cmd.offset)));
}
}
inline void QPaintBufferPrivate::updateBoundingRect(const QRectF &br)
{
// transform to device coords and adjust for pen width
Q_ASSERT(engine && engine->painter());
QPainter *painter = engine->painter();
const QTransform transform = painter->transform();
QRectF devRect = transform.mapRect(br);
if (penWidthAdjustment > 0) {
devRect = devRect.adjusted(-penWidthAdjustment, -penWidthAdjustment,
penWidthAdjustment, penWidthAdjustment);
}
if (boundingRect.isEmpty()) {
boundingRect = devRect;
} else {
qreal min_x = qMin(devRect.left(), boundingRect.left());
qreal min_y = qMin(devRect.top(), boundingRect.top());
qreal max_x = qMax(devRect.right(), boundingRect.right());
qreal max_y = qMax(devRect.bottom(), boundingRect.bottom());
boundingRect = QRectF(min_x, min_y, max_x - min_x, max_y - min_y);
}
if (painter->hasClipping())
boundingRect &= transform.mapRect(painter->clipRegion().boundingRect());
}
/************************************************************************
*
* QPaintBuffer
*
************************************************************************/
QPaintBuffer::QPaintBuffer()
: d_ptr(new QPaintBufferPrivate)
{
}
QPaintBuffer::~QPaintBuffer()
{
if (!d_ptr->ref.deref())
delete d_ptr;
}
QPaintBuffer::QPaintBuffer(const QPaintBuffer &other)
: QPaintDevice(), d_ptr(other.d_ptr)
{
d_ptr->ref.ref();
}
QPaintEngine *QPaintBuffer::paintEngine() const
{
QPaintBufferPrivate *d = const_cast<QPaintBuffer *>(this)->d_ptr;
if (!d->engine)
d->engine = new QPaintBufferEngine(d);
return d->engine;
}
int QPaintBuffer::metric(PaintDeviceMetric metric) const
{
int val = 0;
switch (metric) {
case PdmWidth:
val = qCeil(d_ptr->boundingRect.width());
break;
case PdmHeight:
val = qCeil(d_ptr->boundingRect.height());
break;
case PdmDpiX:
case PdmPhysicalDpiX:
val = qt_defaultDpiX();
break;
case PdmDpiY:
case PdmPhysicalDpiY:
val = qt_defaultDpiY();
break;
default:
val = QPaintDevice::metric(metric);
}
return val;
}
int QPaintBuffer::devType() const
{
return QInternal::PaintBuffer;
}
QPaintBuffer &QPaintBuffer::operator=(const QPaintBuffer &other)
{
if (other.d_ptr != d_ptr) {
QPaintBufferPrivate *data = other.d_ptr;
data->ref.ref();
if (d_ptr->ref.deref())
delete d_ptr;
d_ptr = data;
}
return *this;
}
bool QPaintBuffer::isEmpty() const
{
return d_ptr->commands.isEmpty();
}
void QPaintBuffer::draw(QPainter *painter, int frame) const
{
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << "QPaintBuffer::draw() --------------------------------";
Q_D(const QPaintBuffer);
printf("Float buffer:");
for (int i=0; i<d->floats.size(); i++) {
if ((i % 10) == 0) {
printf("\n%4d-%4d: ", i, i+9);
}
printf("%4.2f ", d->floats[i]);
}
printf("\n");
printf("Int Buffer:");
for (int i=0; i<d->ints.size(); i++) {
if ((i % 10) == 0) {
printf("\n%4d-%4d: ", i, i+10);
}
printf("%5d", d->ints[i]);
}
printf("\n");
#endif
if (painter && !painter->isActive())
return;
QPaintEngineEx *xengine = painter->paintEngine()->isExtended()
? (QPaintEngineEx *) painter->paintEngine() : 0;
if (xengine) {
QPaintEngineExReplayer player;
player.draw(*this, painter, frame);
} else {
QPainterReplayer player;
player.draw(*this, painter, frame);
}
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << "QPaintBuffer::draw() -------------------------------- DONE!";
#endif
}
QRectF QPaintBuffer::boundingRect() const
{
return d_ptr->boundingRect;
}
void QPaintBuffer::setBoundingRect(const QRectF &rect)
{
d_ptr->boundingRect = rect;
d_ptr->calculateBoundingRect = false;
}
class QPaintBufferEnginePrivate : public QPaintEngineExPrivate
{
Q_DECLARE_PUBLIC(QPaintBufferEngine)
public:
void systemStateChanged() {
Q_Q(QPaintBufferEngine);
q->buffer->addCommand(QPaintBufferPrivate::Cmd_SystemStateChanged, QVariant(systemClip));
}
};
/************************************************************************
*
* QPaintBufferEngine
*
************************************************************************/
QPaintBufferEngine::QPaintBufferEngine(QPaintBufferPrivate *b)
: QPaintEngineEx(*(new QPaintBufferEnginePrivate))
, buffer(b)
, m_begin_detected(false)
, m_save_detected(false)
, m_stream_raw_text_items(false)
{
}
bool QPaintBufferEngine::begin(QPaintDevice *)
{
Q_D(QPaintBufferEngine);
painter()->save();
d->systemStateChanged();
return true;
}
bool QPaintBufferEngine::end()
{
painter()->restore();
m_created_state = 0;
return true;
}
QPainterState *QPaintBufferEngine::createState(QPainterState *orig) const
{
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << "QPaintBufferEngine: createState, orig=" << orig << ", current=" << state();
#endif
Q_ASSERT(!m_begin_detected);
Q_ASSERT(!m_save_detected);
if (orig == 0) {
m_begin_detected = true;
return new QPainterState();
} else {
m_save_detected = true;
return new QPainterState(orig);
}
}
void QPaintBufferEngine::clip(const QVectorPath &path, Qt::ClipOperation op)
{
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << "QPaintBufferEngine: clip vpath:" << path.elementCount() << "op:" << op;
#endif
QPaintBufferCommand *cmd =
buffer->addCommand(QPaintBufferPrivate::Cmd_ClipVectorPath, path);
cmd->extra = op;
}
void QPaintBufferEngine::clip(const QRect &rect, Qt::ClipOperation op)
{
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << "QPaintBufferEngine: clip rect:" << rect << "op:" << op;
#endif
QPaintBufferCommand *cmd =
buffer->addCommand(QPaintBufferPrivate::Cmd_ClipRect, (int *) &rect, 4, 1);
cmd->extra = op;
}
void QPaintBufferEngine::clip(const QRegion ®ion, Qt::ClipOperation op)
{
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << "QPaintBufferEngine: clip region br:" << region.boundingRect() << "op:" << op;
#endif
QPaintBufferCommand *cmd =
buffer->addCommand(QPaintBufferPrivate::Cmd_ClipRegion, QVariant(region));
cmd->extra = op;
}
void QPaintBufferEngine::clip(const QPainterPath &path, Qt::ClipOperation op)
{
// ### TODO
// QPaintBufferCommand *cmd =
// buffer->addCommand(QPaintBufferPrivate::Cmd_ClipPath, QVariant(path));
// cmd->extra = op;
QPaintEngineEx::clip(path, op);
}
void QPaintBufferEngine::clipEnabledChanged()
{
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << "QPaintBufferEngine: clip enable change" << state()->clipEnabled;
#endif
buffer->addCommand(QPaintBufferPrivate::Cmd_SetClipEnabled, state()->clipEnabled);
}
void QPaintBufferEngine::penChanged()
{
const QPen &pen = state()->pen;
if (!buffer->commands.isEmpty()
&& buffer->commands.last().id == QPaintBufferPrivate::Cmd_SetPen) {
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << "QPaintBufferEngine: penChanged (compressed)" << state()->pen;
#endif
buffer->variants[buffer->commands.last().offset] = pen;
return;
}
if (buffer->calculateBoundingRect) {
if (pen.style() == Qt::NoPen) {
buffer->penWidthAdjustment = 0;
} else {
qreal penWidth = (pen.widthF() == 0) ? 1 : pen.widthF();
QPointF transformedWidth(penWidth, penWidth);
if (!pen.isCosmetic())
transformedWidth = painter()->transform().map(transformedWidth);
buffer->penWidthAdjustment = transformedWidth.x() / 2.0;
}
}
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << "QPaintBufferEngine: penChanged" << state()->pen;
#endif
buffer->addCommand(QPaintBufferPrivate::Cmd_SetPen, pen);
}
void QPaintBufferEngine::brushChanged()
{
const QBrush &brush = state()->brush;
if (!buffer->commands.isEmpty()
&& buffer->commands.last().id == QPaintBufferPrivate::Cmd_SetBrush) {
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << "QPaintBufferEngine: brushChanged (compressed)" << state()->brush;
#endif
buffer->variants[buffer->commands.last().offset] = brush;
return;
}
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << "QPaintBufferEngine: brushChanged" << state()->brush;
#endif
buffer->addCommand(QPaintBufferPrivate::Cmd_SetBrush, brush);
}
void QPaintBufferEngine::brushOriginChanged()
{
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << "QPaintBufferEngine: brush origin changed" << state()->brushOrigin;
#endif
buffer->addCommand(QPaintBufferPrivate::Cmd_SetBrushOrigin, state()->brushOrigin);
}
void QPaintBufferEngine::opacityChanged()
{
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << "QPaintBufferEngine: opacity changed" << state()->opacity;
#endif
buffer->addCommand(QPaintBufferPrivate::Cmd_SetOpacity, state()->opacity);
}
void QPaintBufferEngine::compositionModeChanged()
{
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << "QPaintBufferEngine: composition mode" << state()->composition_mode;
#endif
QPaintBufferCommand *cmd =
buffer->addCommand(QPaintBufferPrivate::Cmd_SetCompositionMode);
cmd->extra = state()->composition_mode;
}
void QPaintBufferEngine::renderHintsChanged()
{
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << "QPaintBufferEngine: render hints changed" << state()->renderHints;
#endif
QPaintBufferCommand *cmd =
buffer->addCommand(QPaintBufferPrivate::Cmd_SetRenderHints);
cmd->extra = state()->renderHints;
}
void QPaintBufferEngine::transformChanged()
{
// ### accumulate, like in QBrush case...
if (!buffer->commands.isEmpty()
&& buffer->commands.last().id == QPaintBufferPrivate::Cmd_SetTransform) {
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << "QPaintBufferEngine: transformChanged (compressing) " << state()->matrix;
#endif
buffer->variants[buffer->commands.last().offset] = state()->matrix;
return;
}
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << "QPaintBufferEngine: transformChanged:" << state()->matrix;
#endif
buffer->addCommand(QPaintBufferPrivate::Cmd_SetTransform, state()->matrix);
}
void QPaintBufferEngine::backgroundModeChanged()
{
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << "QPaintEngineBuffer: background mode changed" << state()->bgMode;
#endif
QPaintBufferCommand *cmd = buffer->addCommand(QPaintBufferPrivate::Cmd_SetBackgroundMode);
cmd->extra = state()->bgMode;
}
void QPaintBufferEngine::draw(const QVectorPath &path)
{
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << "QPaintBufferEngine: draw vpath:" << path.elementCount();
#endif
bool hasBrush = qbrush_style(state()->brush) != Qt::NoBrush;
bool hasPen = qpen_style(state()->pen) != Qt::NoPen
&& qbrush_style(qpen_brush(state()->pen)) != Qt::NoBrush;
if (hasPen || hasBrush)
buffer->addCommand(QPaintBufferPrivate::Cmd_DrawVectorPath, path);
#ifdef QPAINTBUFFER_DEBUG_DRAW
else
qDebug() << " - no pen or brush active, discarded...\n";
#endif
// if (buffer->calculateBoundingRect) {
// QRealRect r = path.controlPointRect();
// buffer->updateBoundingRect(QRectF(r.x1, r.y1, r.x2 - r.x1, r.y2 - r.y1));
// }
}
void QPaintBufferEngine::fill(const QVectorPath &path, const QBrush &brush)
{
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << "QPaintBufferEngine: fill vpath:" << path.elementCount() << brush;
#endif
QPaintBufferCommand *cmd =
buffer->addCommand(QPaintBufferPrivate::Cmd_FillVectorPath, path);
cmd->extra = buffer->addData(QVariant(brush));
// if (buffer->calculateBoundingRect) {
// QRealRect r = path.controlPointRect();
// buffer->updateBoundingRect(QRectF(r.x1, r.y1, r.x2 - r.x1, r.y2 - r.y1));
// }
}
void QPaintBufferEngine::stroke(const QVectorPath &path, const QPen &pen)
{
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << "QPaintBufferEngine: stroke vpath:" << path.elementCount() << pen;
#endif
QPaintBufferCommand *cmd =
buffer->addCommand(QPaintBufferPrivate::Cmd_StrokeVectorPath, path);
cmd->extra = buffer->addData(QVariant(pen));
// if (buffer->calculateBoundingRect) {
// QRealRect r = path.controlPointRect();
// buffer->updateBoundingRect(QRectF(r.x1, r.y1, r.x2 - r.x1, r.y2 - r.y1));
// }
}
void QPaintBufferEngine::fillRect(const QRectF &rect, const QBrush &brush)
{
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << "QPaintBufferEngine: fillRect brush:" << rect << brush;
#endif
QPaintBufferCommand *cmd =
buffer->addCommand(QPaintBufferPrivate::Cmd_FillRectBrush, (qreal *) &rect, 4, 1);
cmd->extra = buffer->addData(brush);
if (buffer->calculateBoundingRect)
buffer->updateBoundingRect(rect);
}
void QPaintBufferEngine::fillRect(const QRectF &rect, const QColor &color)
{
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << "QPaintBufferEngine: fillRect color:" << rect << color;
#endif
QPaintBufferCommand *cmd =
buffer->addCommand(QPaintBufferPrivate::Cmd_FillRectColor, (qreal *) &rect, 4, 1);
cmd->extra = buffer->addData(color);
if (buffer->calculateBoundingRect)
buffer->updateBoundingRect(rect);
}
void QPaintBufferEngine::drawRects(const QRect *rects, int rectCount)
{
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << "QPaintBufferEngine: drawRectsI:" << rectCount;
#endif
QPaintBufferCommand *cmd =
buffer->addCommand(QPaintBufferPrivate::Cmd_DrawRectI, (int *) rects, 4 * rectCount, rectCount);
cmd->extra = rectCount;
if (buffer->calculateBoundingRect) {
if (rectCount == 1) {
buffer->updateBoundingRect(rects[0]);
} else {
int min_x = rects[0].left();
int min_y = rects[0].top();
int max_x = rects[0].left() + rects[0].width();
int max_y = rects[0].top() + rects[0].height();
for (int i=1; i< rectCount; ++i) {
if (rects[i].left() < min_x)
min_x = rects[i].left();
if (rects[i].top() < min_y)
min_y = rects[i].top();
if (rects[i].right() > max_x)
max_x = rects[i].left() + rects[i].width();
if (rects[i].bottom() > max_y)
max_y = rects[i].top() + rects[i].height();
}
buffer->updateBoundingRect(QRectF(min_x, min_y, max_x - min_x, max_y - min_y));
}
}
}
void QPaintBufferEngine::drawRects(const QRectF *rects, int rectCount)
{
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << "QPaintBufferEngine: drawRectsF:" << rectCount;
#endif
QPaintBufferCommand *cmd =
buffer->addCommand(QPaintBufferPrivate::Cmd_DrawRectF, (qreal *) rects, 4 * rectCount, rectCount);
cmd->extra = rectCount;
if (buffer->calculateBoundingRect) {
if (rectCount == 1) {
buffer->updateBoundingRect(rects[0]);
} else {
qreal min_x = rects[0].left();
qreal min_y = rects[0].top();
qreal max_x = rects[0].right();
qreal max_y = rects[0].bottom();
for (int i=1; i< rectCount; ++i) {
if (rects[i].left() < min_x)
min_x = rects[i].left();
if (rects[i].top() < min_y)
min_y = rects[i].top();
if (rects[i].right() > max_x)
max_x = rects[i].right();
if (rects[i].bottom() > max_y)
max_y = rects[i].bottom();
}
buffer->updateBoundingRect(QRectF(min_x, min_y, max_x - min_x, max_y - min_y));
}
}
}
void QPaintBufferEngine::drawLines(const QLine *lines, int lineCount)
{
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << "QPaintBufferEngine: drawLinesI:" << lineCount;
#endif
QPaintBufferCommand *cmd =
buffer->addCommand(QPaintBufferPrivate::Cmd_DrawLineI, (int *) lines, 4 * lineCount, lineCount);
cmd->extra = lineCount;
if (buffer->calculateBoundingRect) {
int min_x = lines[0].p1().x();
int min_y = lines[0].p1().y();
int max_x = lines[0].p2().x();
int max_y = lines[0].p2().y();
if (min_x > max_x)
qSwap(min_x, max_x);
if (min_y > max_y)
qSwap(min_y, max_y);
for (int i=1; i < lineCount; ++i) {
int p1_x = lines[i].p1().x();
int p1_y = lines[i].p1().y();
int p2_x = lines[i].p2().x();
int p2_y = lines[i].p2().y();
if (p1_x > p2_x) {
min_x = qMin(p2_x, min_x);
max_x = qMax(p1_x, max_x);
} else {
min_x = qMin(p1_x, min_x);
max_x = qMax(p2_x, max_x);
}
if (p1_y > p2_y) {
min_y = qMin(p2_y, min_y);
max_y = qMax(p1_y, max_y);
} else {
min_y = qMin(p1_y, min_y);
max_y = qMax(p2_y, max_y);
}
}
buffer->updateBoundingRect(QRectF(min_x, min_y, max_x - min_x, max_y - min_y));
}
}
void QPaintBufferEngine::drawLines(const QLineF *lines, int lineCount)
{
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << "QPaintBufferEngine: drawLinesF:" << lineCount;
#endif
QPaintBufferCommand *cmd =
buffer->addCommand(QPaintBufferPrivate::Cmd_DrawLineF, (qreal *) lines, 4 * lineCount, lineCount);
cmd->extra = lineCount;
if (buffer->calculateBoundingRect) {
qreal min_x = lines[0].p1().x();
qreal min_y = lines[0].p1().y();
qreal max_x = lines[0].p2().x();
qreal max_y = lines[0].p2().y();
if (min_x > max_x)
qSwap(min_x, max_x);
if (min_y > max_y)
qSwap(min_y, max_y);
for (int i=1; i < lineCount; ++i) {
qreal p1_x = lines[i].p1().x();
qreal p1_y = lines[i].p1().y();
qreal p2_x = lines[i].p2().x();
qreal p2_y = lines[i].p2().y();
if (p1_x > p2_x) {
min_x = qMin(p2_x, min_x);
max_x = qMax(p1_x, max_x);
} else {
min_x = qMin(p1_x, min_x);
max_x = qMax(p2_x, max_x);
}
if (p1_y > p2_y) {
min_y = qMin(p2_y, min_y);
max_y = qMax(p1_y, max_y);
} else {
min_y = qMin(p1_y, min_y);
max_y = qMax(p2_y, max_y);
}
}
buffer->updateBoundingRect(QRectF(min_x, min_y, max_x - min_x, max_y - min_y));
}
}
void QPaintBufferEngine::drawEllipse(const QRectF &r)
{
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << "QPaintBufferEngine: drawEllipseF:" << r;
#endif
buffer->addCommand(QPaintBufferPrivate::Cmd_DrawEllipseF, (qreal *) &r, 4, 1);
if (buffer->calculateBoundingRect)
buffer->updateBoundingRect(r);
}
void QPaintBufferEngine::drawEllipse(const QRect &r)
{
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << "QPaintBufferEngine: drawEllipseI:" << r;
#endif
buffer->addCommand(QPaintBufferPrivate::Cmd_DrawEllipseI, (int *) &r, 4, 1);
if (buffer->calculateBoundingRect)
buffer->updateBoundingRect(r);
}
void QPaintBufferEngine::drawPath(const QPainterPath &path)
{
// #ifdef QPAINTBUFFER_DEBUG_DRAW
// qDebug() << "QPaintBufferEngine: drawPath: element count:" << path.elementCount();
// #endif
// // ### Path -> QVariant
// // buffer->addCommand(QPaintBufferPrivate::Cmd_DrawPath, QVariant(path));
QPaintEngineEx::drawPath(path);
// if (buffer->calculateBoundingRect)
// buffer->updateBoundingRect(path.boundingRect());
}
void QPaintBufferEngine::drawPoints(const QPoint *points, int pointCount)
{
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << "QPaintBufferEngine: drawPointsI: " << pointCount;
#endif
buffer->addCommand(QPaintBufferPrivate::Cmd_DrawPointsI, (int *) points, 2 * pointCount, pointCount);
if (buffer->calculateBoundingRect) {
int min_x = points[0].x();
int min_y = points[0].y();
int max_x = points[0].x()+1;
int max_y = points[0].y()+1;
for (int i=1; i<pointCount; ++i) {
int x = points[i].x();
int y = points[i].y();
min_x = qMin(min_x, x);
min_y = qMin(min_y, y);
max_x = qMax(max_x, x+1);
max_y = qMax(max_y, y+1);
}
buffer->updateBoundingRect(QRectF(min_x, min_y, max_x - min_x, max_y - min_y));
}
}
void QPaintBufferEngine::drawPoints(const QPointF *points, int pointCount)
{
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << "QPaintBufferEngine: drawPointsF: " << pointCount;
#endif
buffer->addCommand(QPaintBufferPrivate::Cmd_DrawPointsF, (qreal *) points, 2 * pointCount, pointCount);
if (buffer->calculateBoundingRect) {
qreal min_x = points[0].x();
qreal min_y = points[0].y();
qreal max_x = points[0].x()+1;
qreal max_y = points[0].y()+1;
for (int i=1; i<pointCount; ++i) {
qreal x = points[i].x();
qreal y = points[i].y();
min_x = qMin(min_x, x);
min_y = qMin(min_y, y);
max_x = qMax(max_x, x+1);
max_y = qMax(max_y, y+1);
}
buffer->updateBoundingRect(QRectF(min_x, min_y, max_x - min_x, max_y - min_y));
}
}
void QPaintBufferEngine::drawPolygon(const QPoint *pts, int count, PolygonDrawMode mode)
{
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << "QPaintBufferEngine: drawPolygonI: size:" << count << ", mode:" << mode;
#endif
if (mode == QPaintEngine::OddEvenMode || mode == QPaintEngine::WindingMode) {
QPaintBufferCommand *cmd = buffer->addCommand(QPaintBufferPrivate::Cmd_DrawPolygonI,
(int *) pts, 2 * count, count);
cmd->extra = mode;
} else if (mode == QPaintEngine::PolylineMode) {
buffer->addCommand(QPaintBufferPrivate::Cmd_DrawPolylineI, (int *) pts, 2 * count, count);
} else {
buffer->addCommand(QPaintBufferPrivate::Cmd_DrawConvexPolygonI, (int *) pts, 2 * count, count);
}
if (buffer->calculateBoundingRect) {
int min_x = pts[0].x();
int min_y = pts[0].y();
int max_x = pts[0].x();
int max_y = pts[0].y();
for (int i=1; i<count; ++i) {
int x = pts[i].x();
int y = pts[i].y();
min_x = qMin(min_x, x);
min_y = qMin(min_y, y);
max_x = qMax(max_x, x);
max_y = qMax(max_y, y);
}
buffer->updateBoundingRect(QRectF(min_x, min_y, max_x - min_x, max_y - min_y));
}
}
void QPaintBufferEngine::drawPolygon(const QPointF *pts, int count, PolygonDrawMode mode)
{
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << "QPaintBufferEngine: drawPolygonF: size:" << count << ", mode:" << mode;
#endif
if (mode == QPaintEngine::OddEvenMode || mode == QPaintEngine::WindingMode) {
QPaintBufferCommand *cmd = buffer->addCommand(QPaintBufferPrivate::Cmd_DrawPolygonF,
(qreal *) pts, 2 * count, count);
cmd->extra = mode;
} else if (mode == QPaintEngine::PolylineMode) {
buffer->addCommand(QPaintBufferPrivate::Cmd_DrawPolylineF, (qreal *) pts, 2 * count, count);
} else {
buffer->addCommand(QPaintBufferPrivate::Cmd_DrawConvexPolygonF, (qreal *) pts, 2 * count, count);
}
if (buffer->calculateBoundingRect) {
qreal min_x = pts[0].x();
qreal min_y = pts[0].y();
qreal max_x = pts[0].x();
qreal max_y = pts[0].y();
for (int i=1; i<count; ++i) {
qreal x = pts[i].x();
qreal y = pts[i].y();
min_x = qMin(min_x, x);
min_y = qMin(min_y, y);
max_x = qMax(max_x, x);
max_y = qMax(max_y, y);
}
buffer->updateBoundingRect(QRectF(min_x, min_y, max_x - min_x, max_y - min_y));
}
}
void QPaintBufferEngine::drawPixmap(const QRectF &r, const QPixmap &pm, const QRectF &sr)
{
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << "QPaintBufferEngine: drawPixmap: src/dest rects " << r << sr;
#endif
QPaintBufferCommand *cmd =
buffer->addCommand(QPaintBufferPrivate::Cmd_DrawPixmapRect, QVariant(pm));
cmd->extra = buffer->addData((qreal *) &r, 4);
buffer->addData((qreal *) &sr, 4);
if (buffer->calculateBoundingRect)
buffer->updateBoundingRect(r);
}
void QPaintBufferEngine::drawPixmap(const QPointF &pos, const QPixmap &pm)
{
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << "QPaintBufferEngine: drawPixmap: pos:" << pos;
#endif
QPaintBufferCommand *cmd =
buffer->addCommand(QPaintBufferPrivate::Cmd_DrawPixmapPos, QVariant(pm));
cmd->extra = buffer->addData((qreal *) &pos, 2);
if (buffer->calculateBoundingRect)
buffer->updateBoundingRect(QRectF(pos, pm.size()));
}
static inline QImage qpaintbuffer_storable_image(const QImage &src)
{
QImageData *d = const_cast<QImage &>(src).data_ptr();
return d->own_data ? src : src.copy();
}
void QPaintBufferEngine::drawImage(const QRectF &r, const QImage &image, const QRectF &sr,
Qt::ImageConversionFlags /*flags */)
{
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << "QPaintBufferEngine: drawImage: src/dest rects " << r << sr;
#endif
QPaintBufferCommand *cmd =
buffer->addCommand(QPaintBufferPrivate::Cmd_DrawImageRect,
QVariant(qpaintbuffer_storable_image(image)));
cmd->extra = buffer->addData((qreal *) &r, 4);
buffer->addData((qreal *) &sr, 4);
// ### flags...
if (buffer->calculateBoundingRect)
buffer->updateBoundingRect(r);
}
void QPaintBufferEngine::drawImage(const QPointF &pos, const QImage &image)
{
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << "QPaintBufferEngine: drawImage: pos:" << pos;
#endif
QPaintBufferCommand *cmd =
buffer->addCommand(QPaintBufferPrivate::Cmd_DrawImagePos,
QVariant(qpaintbuffer_storable_image(image)));
cmd->extra = buffer->addData((qreal *) &pos, 2);
if (buffer->calculateBoundingRect)
buffer->updateBoundingRect(QRectF(pos, image.size()));
}
void QPaintBufferEngine::drawTiledPixmap(const QRectF &r, const QPixmap &pm, const QPointF &s)
{
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << "QPaintBufferEngine: drawTiledPixmap: src rect/offset:" << r << s;
#endif
QPaintBufferCommand *cmd =
buffer->addCommand(QPaintBufferPrivate::Cmd_DrawTiledPixmap, QVariant(pm));
cmd->extra = buffer->addData((qreal *) &r, 4);
buffer->addData((qreal *) &s, 2);
if (buffer->calculateBoundingRect)
buffer->updateBoundingRect(r);
}
void QPaintBufferEngine::drawTextItem(const QPointF &pos, const QTextItem &ti)
{
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << "QPaintBufferEngine: drawTextItem: pos:" << pos << ti.text();
#endif
if (m_stream_raw_text_items) {
QPaintBufferCommand *cmd = buffer->addCommand(QPaintBufferPrivate::Cmd_DrawTextItem, qVariantFromValue<void *>(new QTextItemIntCopy(ti)));
QFont font(ti.font());
font.setUnderline(false);
font.setStrikeOut(false);
font.setOverline(false);
const QTextItemInt &si = static_cast<const QTextItemInt &>(ti);
qreal justificationWidth = 0;
if (si.justified)
justificationWidth = si.width.toReal();
int renderFlags = ti.renderFlags();
qreal scaleFactor = font.d->dpi/qreal(qt_defaultDpiY());
buffer->addData(QVariant(font));
cmd->extra = buffer->addData((qreal *) &pos, 2);
buffer->addData((qreal *) &justificationWidth, 1);
buffer->addData((qreal *) &scaleFactor, 1);
cmd->offset2 = buffer->addData((int *) &renderFlags, 1);
} else {
QList<QVariant> variants;
variants << QVariant(ti.font()) << QVariant(ti.text());
QPaintBufferCommand *cmd = buffer->addCommand(QPaintBufferPrivate::Cmd_DrawText, QVariant(variants));
cmd->extra = buffer->addData((qreal *) &pos, 2);
}
if (buffer->calculateBoundingRect)
buffer->updateBoundingRect(QRectF(pos, QSize(ti.width(), ti.ascent() + ti.descent() + 1)));
}
void QPaintBufferEngine::setState(QPainterState *s)
{
if (m_begin_detected) {
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << "QPaintBufferEngine: setState: begin, ignoring.";
#endif
m_begin_detected = false;
} else if (m_save_detected) {
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << "QPaintBufferEngine: setState: save.";
#endif
m_save_detected = false;
buffer->addCommand(QPaintBufferPrivate::Cmd_Save);
} else {
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << "QPaintBufferEngine: setState: restore.";
#endif
buffer->addCommand(QPaintBufferPrivate::Cmd_Restore);
}
QPaintEngineEx::setState(s);
}
/***********************************************************************
*
* class QPaintBufferPlayback_Painter
*
*/
// QFakeDevice is used to create fonts with a custom DPI
//
class QFakeDevice : public QPaintDevice
{
public:
QFakeDevice() { dpi_x = qt_defaultDpiX(); dpi_y = qt_defaultDpiY(); }
void setDpiX(int dpi) { dpi_x = dpi; }
void setDpiY(int dpi) { dpi_y = dpi; }
QPaintEngine *paintEngine() const { return 0; }
int metric(PaintDeviceMetric m) const
{
switch(m) {
case PdmPhysicalDpiX:
case PdmDpiX:
return dpi_x;
case PdmPhysicalDpiY:
case PdmDpiY:
return dpi_y;
default:
return QPaintDevice::metric(m);
}
}
private:
int dpi_x;
int dpi_y;
};
void QPainterReplayer::setupTransform(QPainter *_painter)
{
painter = _painter;
m_world_matrix = painter->transform();
m_world_matrix.scale(qreal(painter->device()->logicalDpiX()) / qreal(qt_defaultDpiX()),
qreal(painter->device()->logicalDpiY()) / qreal(qt_defaultDpiY()));
painter->setTransform(m_world_matrix);
}
void QPainterReplayer::draw(const QPaintBuffer &buffer, QPainter *_painter, int frame)
{
d = buffer.d_ptr;
setupTransform(_painter);
int frameStart = (frame == 0) ? 0 : d->frames.at(frame-1);
int frameEnd = (frame == d->frames.size()) ? d->commands.size() : d->frames.at(frame);
for (int cmdIndex=frameStart; cmdIndex<frameEnd; ++cmdIndex) {
const QPaintBufferCommand &cmd = d->commands.at(cmdIndex);
process(cmd);
}
}
void QPaintBuffer::beginNewFrame()
{
if (!d_ptr->commands.isEmpty())
d_ptr->frames << d_ptr->commands.size();
}
int QPaintBuffer::numFrames() const
{
return d_ptr->frames.size() + 1;
}
void QPainterReplayer::process(const QPaintBufferCommand &cmd)
{
switch (cmd.id) {
case QPaintBufferPrivate::Cmd_Save: {
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << " -> Cmd_Save";
#endif
painter->save();
break; }
case QPaintBufferPrivate::Cmd_Restore: {
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << " -> Cmd_Restore";
#endif
painter->restore();
break; }
case QPaintBufferPrivate::Cmd_SetPen: {
QPen pen = qVariantValue<QPen>(d->variants.at(cmd.offset));
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << " -> Cmd_SetPen: " << pen;
#endif
painter->setPen(pen);
break; }
case QPaintBufferPrivate::Cmd_SetBrush: {
QBrush brush = qVariantValue<QBrush>(d->variants.at(cmd.offset));
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << " -> Cmd_SetBrush: " << brush;
#endif
painter->setBrush(brush);
break; }
case QPaintBufferPrivate::Cmd_SetBrushOrigin: {
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << " -> Cmd_SetBrushOrigin: " << d->variants.at(cmd.offset).toPointF();
#endif
painter->setBrushOrigin(d->variants.at(cmd.offset).toPointF());
break; }
case QPaintBufferPrivate::Cmd_SetTransform: {
QTransform xform = qVariantValue<QTransform>(d->variants.at(cmd.offset));
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << " -> Cmd_SetTransform, offset: " << cmd.offset << xform;
#endif
painter->setTransform(xform * m_world_matrix);
break; }
case QPaintBufferPrivate::Cmd_SetCompositionMode: {
QPainter::CompositionMode mode = (QPainter::CompositionMode) cmd.extra;
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << " -> Cmd_SetCompositionMode, mode: " << mode;
#endif
painter->setCompositionMode(mode);
break; }
case QPaintBufferPrivate::Cmd_SetRenderHints: {
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << " -> Cmd_SetRenderHints, hints: " << cmd.extra;
#endif
QPainter::RenderHints ph = painter->renderHints();
QPainter::RenderHints nh = (QPainter::RenderHints) cmd.extra;
QPainter::RenderHints xored = ph ^ nh;
if (xored & QPainter::Antialiasing)
painter->setRenderHint(QPainter::Antialiasing, nh & QPainter::Antialiasing);
if (xored & QPainter::HighQualityAntialiasing)
painter->setRenderHint(QPainter::HighQualityAntialiasing, nh & QPainter::HighQualityAntialiasing);
if (xored & QPainter::TextAntialiasing)
painter->setRenderHint(QPainter::TextAntialiasing, nh & QPainter::TextAntialiasing);
if (xored & QPainter::SmoothPixmapTransform)
painter->setRenderHint(QPainter::SmoothPixmapTransform, nh & QPainter::SmoothPixmapTransform);
if (xored & QPainter::NonCosmeticDefaultPen)
painter->setRenderHint(QPainter::NonCosmeticDefaultPen, nh & QPainter::NonCosmeticDefaultPen);
break; }
case QPaintBufferPrivate::Cmd_SetOpacity: {
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << " -> Cmd_SetOpacity: " << d->variants.at(cmd.offset).toDouble();
#endif
painter->setOpacity(d->variants.at(cmd.offset).toDouble());
break; }
case QPaintBufferPrivate::Cmd_SetBackgroundMode: {
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << " -> Cmd_SetBackgroundMode: " << cmd.extra;
#endif
painter->setBackgroundMode((Qt::BGMode)cmd.extra);
break; }
case QPaintBufferPrivate::Cmd_DrawVectorPath: {
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << " -> Cmd_DrawVectorPath: size: " << cmd.size
// << ", hints:" << d->ints[cmd.offset2+cmd.size]
<< "pts/elms:" << cmd.offset << cmd.offset2;
#endif
QVectorPathCmd path(d, cmd);
painter->drawPath(path().convertToPainterPath());
break; }
case QPaintBufferPrivate::Cmd_StrokeVectorPath: {
QPen pen = qVariantValue<QPen>(d->variants.at(cmd.extra));
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << " -> Cmd_StrokeVectorPath: size: " << cmd.size
// << ", hints:" << d->ints[cmd.offset2+cmd.size]
<< "pts/elms:" << cmd.offset << cmd.offset2;
#endif
QVectorPathCmd path(d, cmd);
painter->strokePath(path().convertToPainterPath(), pen);
break; }
case QPaintBufferPrivate::Cmd_FillVectorPath: {
QBrush brush = qVariantValue<QBrush>(d->variants.at(cmd.extra));
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << " -> Cmd_FillVectorPath: size: " << cmd.size
// << ", hints:" << d->ints[cmd.offset2+cmd.size]
<< "pts/elms:" << cmd.offset << cmd.offset2 << brush;
#endif
QVectorPathCmd path(d, cmd);
painter->fillPath(path().convertToPainterPath(), brush);
break; }
case QPaintBufferPrivate::Cmd_DrawPolygonF: {
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << " -> Cmd_DrawPolygonF, offset: " << cmd.offset << " size: " << cmd.size
<< " mode: " << cmd.extra
<< d->floats.at(cmd.offset)
<< d->floats.at(cmd.offset+1);
#endif
Qt::FillRule fill = (QPaintEngine::PolygonDrawMode) cmd.extra == QPaintEngine::OddEvenMode
? Qt::OddEvenFill : Qt::WindingFill;
painter->drawPolygon((QPointF *) (d->floats.constData() + cmd.offset), cmd.size, fill);
break; }
case QPaintBufferPrivate::Cmd_DrawPolygonI: {
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << " -> Cmd_DrawPolygonI, offset: " << cmd.offset << " size: " << cmd.size
<< " mode: " << cmd.extra
<< d->ints.at(cmd.offset)
<< d->ints.at(cmd.offset+1);
#endif
Qt::FillRule fill = (QPaintEngine::PolygonDrawMode) cmd.extra == QPaintEngine::OddEvenMode
? Qt::OddEvenFill : Qt::WindingFill;
painter->drawPolygon((QPoint *) (d->ints.constData() + cmd.offset), cmd.size, fill);
break; }
case QPaintBufferPrivate::Cmd_DrawPolylineF: {
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << " -> Cmd_DrawPolylineF, offset: " << cmd.offset << " size: " << cmd.size;
#endif
painter->drawPolyline((QPointF *) (d->floats.constData() + cmd.offset), cmd.size);
break; }
case QPaintBufferPrivate::Cmd_DrawPolylineI: {
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << " -> Cmd_DrawPolylineI, offset: " << cmd.offset << " size: " << cmd.size;
#endif
painter->drawPolyline((QPoint *) (d->ints.constData() + cmd.offset), cmd.size);
break; }
case QPaintBufferPrivate::Cmd_DrawConvexPolygonF: {
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << " -> Cmd_DrawConvexPolygonF, offset: " << cmd.offset << " size: " << cmd.size;
#endif
painter->drawConvexPolygon((QPointF *) (d->floats.constData() + cmd.offset), cmd.size);
break; }
case QPaintBufferPrivate::Cmd_DrawConvexPolygonI: {
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << " -> Cmd_DrawConvexPolygonI, offset: " << cmd.offset << " size: " << cmd.size;
#endif
painter->drawConvexPolygon((QPoint *) (d->ints.constData() + cmd.offset), cmd.size);
break; }
case QPaintBufferPrivate::Cmd_DrawEllipseF: {
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << " -> Cmd_DrawEllipseF, offset: " << cmd.offset;
#endif
painter->drawEllipse(*(QRectF *)(d->floats.constData() + cmd.offset));
break; }
case QPaintBufferPrivate::Cmd_DrawEllipseI: {
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << " -> Cmd_DrawEllipseI, offset: " << cmd.offset;
#endif
painter->drawEllipse(*(QRect *)(d->ints.constData() + cmd.offset));
break; }
case QPaintBufferPrivate::Cmd_DrawLineF: {
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << " -> Cmd_DrawLineF, offset: " << cmd.offset << " size: " << cmd.size;
#endif
painter->drawLines((QLineF *)(d->floats.constData() + cmd.offset), cmd.size);
break; }
case QPaintBufferPrivate::Cmd_DrawLineI: {
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << " -> Cmd_DrawLineI, offset: " << cmd.offset << " size: " << cmd.size;
#endif
painter->drawLines((QLine *)(d->ints.constData() + cmd.offset), cmd.size);
break; }
case QPaintBufferPrivate::Cmd_DrawPointsF: {
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << " -> Cmd_DrawPointsF, offset: " << cmd.offset << " size: " << cmd.size;
#endif
painter->drawPoints((QPointF *)(d->floats.constData() + cmd.offset), cmd.size);
break; }
case QPaintBufferPrivate::Cmd_DrawPointsI: {
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << " -> Cmd_DrawPointsI, offset: " << cmd.offset << " size: " << cmd.size;
#endif
painter->drawPoints((QPoint *)(d->ints.constData() + cmd.offset), cmd.size);
break; }
case QPaintBufferPrivate::Cmd_DrawPixmapRect: {
QPixmap pm(d->variants.at(cmd.offset).value<QPixmap>());
QRectF r(d->floats.at(cmd.extra), d->floats.at(cmd.extra+1),
d->floats.at(cmd.extra+2), d->floats.at(cmd.extra+3));
QRectF sr(d->floats.at(cmd.extra+4), d->floats.at(cmd.extra+5),
d->floats.at(cmd.extra+6), d->floats.at(cmd.extra+7));
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << " -> Cmd_DrawPixmapRect:" << r << sr;
#endif
painter->drawPixmap(r, pm, sr);
break; }
case QPaintBufferPrivate::Cmd_DrawPixmapPos: {
QPixmap pm(d->variants.at(cmd.offset).value<QPixmap>());
QPointF pos(d->floats.at(cmd.extra), d->floats.at(cmd.extra+1));
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << " -> Cmd_DrawPixmapPos:" << pos;
#endif
painter->drawPixmap(pos, pm);
break; }
case QPaintBufferPrivate::Cmd_DrawTiledPixmap: {
QPixmap pm(d->variants.at(cmd.offset).value<QPixmap>());
QRectF r(d->floats.at(cmd.extra), d->floats.at(cmd.extra+1),
d->floats.at(cmd.extra+2), d->floats.at(cmd.extra+3));
QPointF offset(d->floats.at(cmd.extra+4), d->floats.at(cmd.extra+5));
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << " -> Cmd_DrawTiledPixmap:" << r << offset;
#endif
painter->drawTiledPixmap(r, pm, offset);
break; }
case QPaintBufferPrivate::Cmd_DrawImageRect: {
QImage image(d->variants.at(cmd.offset).value<QImage>());
QRectF r(d->floats.at(cmd.extra), d->floats.at(cmd.extra+1),
d->floats.at(cmd.extra+2), d->floats.at(cmd.extra+3));
QRectF sr(d->floats.at(cmd.extra+4), d->floats.at(cmd.extra+5),
d->floats.at(cmd.extra+6), d->floats.at(cmd.extra+7));
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << " -> Cmd_DrawImageRect:" << r << sr;
#endif
painter->drawImage(r, image, sr);
break; }
case QPaintBufferPrivate::Cmd_DrawImagePos: {
QImage image(d->variants.at(cmd.offset).value<QImage>());
QPointF pos(d->floats.at(cmd.extra), d->floats.at(cmd.extra+1));
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << " -> Cmd_DrawImagePos:" << pos;
#endif
painter->drawImage(pos, image);
break; }
case QPaintBufferPrivate::Cmd_DrawRectF: {
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << " -> Cmd_DrawRectF, offset: " << cmd.offset;
#endif
painter->drawRects((QRectF *)(d->floats.constData() + cmd.offset), cmd.size);
break; }
case QPaintBufferPrivate::Cmd_DrawRectI: {
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << " -> Cmd_DrawRectI, offset: " << cmd.offset;
#endif
painter->drawRects((QRect *)(d->ints.constData() + cmd.offset), cmd.size);
break; }
case QPaintBufferPrivate::Cmd_FillRectBrush: {
QBrush brush = qVariantValue<QBrush>(d->variants.at(cmd.extra));
QRectF *rect = (QRectF *)(d->floats.constData() + cmd.offset);
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << " -> Cmd_FillRectBrush, offset: " << cmd.offset << " rect: " << *rect << " brush: " << brush;
#endif
painter->fillRect(*rect, brush);
break; }
case QPaintBufferPrivate::Cmd_FillRectColor: {
QColor color = qVariantValue<QColor>(d->variants.at(cmd.extra));
QRectF *rect = (QRectF *)(d->floats.constData() + cmd.offset);
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << " -> Cmd_FillRectBrush, offset: " << cmd.offset << " rect: " << *rect << " color: " << color;
#endif
painter->fillRect(*rect, color);
break; }
case QPaintBufferPrivate::Cmd_SetClipEnabled: {
bool clipEnabled = d->variants.at(cmd.offset).toBool();
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << " -> Cmd_SetClipEnabled:" << clipEnabled;
#endif
painter->setClipping(clipEnabled);
break; }
case QPaintBufferPrivate::Cmd_ClipVectorPath: {
QVectorPathCmd path(d, cmd);
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << " -> Cmd_ClipVectorPath:" << path().elementCount();
#endif
painter->setClipPath(path().convertToPainterPath(), Qt::ClipOperation(cmd.extra));
break; }
case QPaintBufferPrivate::Cmd_ClipRect: {
QRect rect(QPoint(d->ints.at(cmd.offset), d->ints.at(cmd.offset + 1)),
QPoint(d->ints.at(cmd.offset + 2), d->ints.at(cmd.offset + 3)));
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << " -> Cmd_ClipRect:" << rect << cmd.extra;
#endif
painter->setClipRect(rect, Qt::ClipOperation(cmd.extra));
break; }
case QPaintBufferPrivate::Cmd_ClipRegion: {
QRegion region(d->variants.at(cmd.offset).value<QRegion>());
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << " -> Cmd_ClipRegion:" << region.boundingRect() << cmd.extra;
#endif
painter->setClipRegion(region, Qt::ClipOperation(cmd.extra));
break; }
case QPaintBufferPrivate::Cmd_DrawText: {
QPointF pos(d->floats.at(cmd.extra), d->floats.at(cmd.extra+1));
QList<QVariant> variants(d->variants.at(cmd.offset).value<QList<QVariant> >());
QFont font(variants.at(0).value<QFont>());
QString text(variants.at(1).value<QString>());
painter->setFont(font);
painter->drawText(pos, text);
break; }
case QPaintBufferPrivate::Cmd_DrawTextItem: {
QPointF pos(d->floats.at(cmd.extra), d->floats.at(cmd.extra+1));
QTextItemIntCopy *tiCopy = reinterpret_cast<QTextItemIntCopy *>(qVariantValue<void *>(d->variants.at(cmd.offset)));
QTextItemInt &ti = (*tiCopy)();
QString text(ti.text());
QFont font(ti.font());
font.setUnderline(false);
font.setStrikeOut(false);
font.setOverline(false);
const QTextItemInt &si = static_cast<const QTextItemInt &>(ti);
qreal justificationWidth = 0;
if (si.justified)
justificationWidth = si.width.toReal();
qreal scaleFactor = font.d->dpi/qreal(qt_defaultDpiY());
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << " -> Cmd_DrawTextItem:" << pos << " " << text << " " << scaleFactor;
#endif
if (scaleFactor != 1.0) {
QFont fnt(font);
QFakeDevice fake;
fake.setDpiX(qRound(scaleFactor*qt_defaultDpiX()));
fake.setDpiY(qRound(scaleFactor*qt_defaultDpiY()));
font = QFont(fnt, &fake);
}
int flags = Qt::TextSingleLine | Qt::TextDontClip | Qt::TextForceLeftToRight;
QSizeF size(1, 1);
if (justificationWidth > 0) {
size.setWidth(justificationWidth);
flags |= Qt::TextJustificationForced;
flags |= Qt::AlignJustify;
}
QFontMetrics fm(font);
QPointF pt(pos.x(), pos.y() - fm.ascent());
qt_format_text(font, QRectF(pt, size), flags, /*opt*/0,
text, /*brect=*/0, /*tabstops=*/0, /*...*/0, /*tabarraylen=*/0, painter);
break; }
case QPaintBufferPrivate::Cmd_SystemStateChanged: {
QRegion systemClip(d->variants.at(cmd.offset).value<QRegion>());
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << " -> Cmd_SystemStateChanged:" << systemClip;
#endif
painter->paintEngine()->setSystemClip(systemClip);
painter->paintEngine()->d_ptr->systemStateChanged();
break; }
}
}
void QPaintEngineExReplayer::process(const QPaintBufferCommand &cmd)
{
Q_ASSERT(painter->paintEngine()->isExtended());
QPaintEngineEx *xengine = static_cast<QPaintEngineEx *>(painter->paintEngine());
switch (cmd.id) {
case QPaintBufferPrivate::Cmd_SetBrushOrigin: {
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << " -> ExCmd_SetBrushOrigin: " << d->variants.at(cmd.offset).toPointF();
#endif
xengine->state()->brushOrigin = d->variants.at(cmd.offset).toPointF();
xengine->brushOriginChanged();
break; }
case QPaintBufferPrivate::Cmd_SetCompositionMode: {
QPainter::CompositionMode mode = (QPainter::CompositionMode) cmd.extra;
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << " -> ExCmd_SetCompositionMode, mode: " << mode;
#endif
xengine->state()->composition_mode = mode;
xengine->compositionModeChanged();
break; }
case QPaintBufferPrivate::Cmd_SetOpacity: {
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << " -> ExCmd_SetOpacity: " << d->variants.at(cmd.offset).toDouble();
#endif
xengine->state()->opacity = d->variants.at(cmd.offset).toDouble();
xengine->opacityChanged();
break; }
case QPaintBufferPrivate::Cmd_DrawVectorPath: {
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << " -> ExCmd_DrawVectorPath: size: " << cmd.size
// << ", hints:" << d->ints[cmd.offset2+cmd.size]
<< "pts/elms:" << cmd.offset << cmd.offset2;
#endif
QVectorPathCmd path(d, cmd);
xengine->draw(path());
break; }
case QPaintBufferPrivate::Cmd_StrokeVectorPath: {
QPen pen = qVariantValue<QPen>(d->variants.at(cmd.extra));
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << " -> ExCmd_StrokeVectorPath: size: " << cmd.size
// << ", hints:" << d->ints[cmd.offset2+cmd.size]
<< "pts/elms:" << cmd.offset << cmd.offset2;
#endif
QVectorPathCmd path(d, cmd);
xengine->stroke(path(), pen);
break; }
case QPaintBufferPrivate::Cmd_FillVectorPath: {
QBrush brush = qVariantValue<QBrush>(d->variants.at(cmd.extra));
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << " -> ExCmd_FillVectorPath: size: " << cmd.size
// << ", hints:" << d->ints[cmd.offset2+cmd.size]
<< "pts/elms:" << cmd.offset << cmd.offset2 << brush;
#endif
QVectorPathCmd path(d, cmd);
xengine->fill(path(), brush);
break; }
case QPaintBufferPrivate::Cmd_FillRectBrush: {
QBrush brush = qVariantValue<QBrush>(d->variants.at(cmd.extra));
QRectF *rect = (QRectF *)(d->floats.constData() + cmd.offset);
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << " -> ExCmd_FillRectBrush, offset: " << cmd.offset << " rect: " << *rect << " brush: " << brush;
#endif
xengine->fillRect(*rect, brush);
break; }
case QPaintBufferPrivate::Cmd_FillRectColor: {
QColor color = qVariantValue<QColor>(d->variants.at(cmd.extra));
QRectF *rect = (QRectF *)(d->floats.constData() + cmd.offset);
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << " -> ExCmd_FillRectBrush, offset: " << cmd.offset << " rect: " << *rect << " color: " << color;
#endif
xengine->fillRect(*rect, color);
break; }
case QPaintBufferPrivate::Cmd_DrawPolygonF: {
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << " -> ExCmd_DrawPolygonF, offset: " << cmd.offset << " size: " << cmd.size
<< " mode: " << cmd.extra
<< d->floats.at(cmd.offset)
<< d->floats.at(cmd.offset+1);
#endif
xengine->drawPolygon((QPointF *) (d->floats.constData() + cmd.offset), cmd.size,
(QPaintEngine::PolygonDrawMode) cmd.extra);
break; }
case QPaintBufferPrivate::Cmd_DrawPolygonI: {
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << " -> ExCmd_DrawPolygonI, offset: " << cmd.offset << " size: " << cmd.size
<< " mode: " << cmd.extra
<< d->ints.at(cmd.offset)
<< d->ints.at(cmd.offset+1);
#endif
xengine->drawPolygon((QPoint *) (d->ints.constData() + cmd.offset), cmd.size,
(QPaintEngine::PolygonDrawMode) cmd.extra);
break; }
case QPaintBufferPrivate::Cmd_DrawEllipseF: {
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << " -> ExCmd_DrawEllipseF, offset: " << cmd.offset;
#endif
xengine->drawEllipse(*(QRectF *)(d->floats.constData() + cmd.offset));
break; }
case QPaintBufferPrivate::Cmd_DrawEllipseI: {
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << " -> ExCmd_DrawEllipseI, offset: " << cmd.offset;
#endif
xengine->drawEllipse(*(QRect *)(d->ints.constData() + cmd.offset));
break; }
case QPaintBufferPrivate::Cmd_DrawLineF: {
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << " -> ExCmd_DrawLineF, offset: " << cmd.offset << " size: " << cmd.size;
#endif
xengine->drawLines((QLineF *)(d->floats.constData() + cmd.offset), cmd.size);
break; }
case QPaintBufferPrivate::Cmd_DrawLineI: {
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << " -> ExCmd_DrawLineI, offset: " << cmd.offset << " size: " << cmd.size;
#endif
xengine->drawLines((QLine *)(d->ints.constData() + cmd.offset), cmd.size);
break; }
case QPaintBufferPrivate::Cmd_DrawPointsF: {
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << " -> ExCmd_DrawPointsF, offset: " << cmd.offset << " size: " << cmd.size;
#endif
xengine->drawPoints((QPointF *)(d->floats.constData() + cmd.offset), cmd.size);
break; }
case QPaintBufferPrivate::Cmd_DrawPointsI: {
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << " -> ExCmd_DrawPointsI, offset: " << cmd.offset << " size: " << cmd.size;
#endif
xengine->drawPoints((QPoint *)(d->ints.constData() + cmd.offset), cmd.size);
break; }
case QPaintBufferPrivate::Cmd_DrawPolylineF: {
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << " -> ExCmd_DrawPolylineF, offset: " << cmd.offset << " size: " << cmd.size;
#endif
xengine->drawPolygon((QPointF *) (d->floats.constData() + cmd.offset), cmd.size, QPaintEngine::PolylineMode);
break; }
case QPaintBufferPrivate::Cmd_DrawPolylineI: {
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << " -> ExCmd_DrawPolylineI, offset: " << cmd.offset << " size: " << cmd.size;
#endif
xengine->drawPolygon((QPoint *) (d->ints.constData() + cmd.offset), cmd.size, QPaintEngine::PolylineMode);
break; }
case QPaintBufferPrivate::Cmd_DrawRectF: {
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << " -> ExCmd_DrawRectF, offset: " << cmd.offset << " size: " << cmd.size;
#endif
xengine->drawRects((QRectF *) (d->floats.constData() + cmd.offset), cmd.size);
break; }
case QPaintBufferPrivate::Cmd_DrawRectI: {
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << " -> ExCmd_DrawRectI, offset: " << cmd.offset << " size: " << cmd.size;
#endif
xengine->drawRects((QRect *) (d->ints.constData() + cmd.offset), cmd.size);
break; }
case QPaintBufferPrivate::Cmd_SetClipEnabled: {
bool clipEnabled = d->variants.at(cmd.offset).toBool();
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << " -> ExCmd_SetClipEnabled:" << clipEnabled;
#endif
xengine->state()->clipEnabled = clipEnabled;
xengine->clipEnabledChanged();
break; }
case QPaintBufferPrivate::Cmd_ClipVectorPath: {
QVectorPathCmd path(d, cmd);
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << " -> ExCmd_ClipVectorPath:" << path().elementCount();
#endif
xengine->clip(path(), Qt::ClipOperation(cmd.extra));
break; }
case QPaintBufferPrivate::Cmd_ClipRect: {
QRect rect(QPoint(d->ints.at(cmd.offset), d->ints.at(cmd.offset + 1)),
QPoint(d->ints.at(cmd.offset + 2), d->ints.at(cmd.offset + 3)));
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << " -> ExCmd_ClipRect:" << rect << cmd.extra;
#endif
xengine->clip(rect, Qt::ClipOperation(cmd.extra));
break; }
case QPaintBufferPrivate::Cmd_ClipRegion: {
QRegion region(d->variants.at(cmd.offset).value<QRegion>());
#ifdef QPAINTBUFFER_DEBUG_DRAW
qDebug() << " -> ExCmd_ClipRegion:" << region.boundingRect() << cmd.extra;
#endif
xengine->clip(region, Qt::ClipOperation(cmd.extra));
break; }
default:
QPainterReplayer::process(cmd);
break;
}
}
QPaintBufferResource::QPaintBufferResource(FreeFunc f, QObject *parent) : QObject(parent), free(f)
{
connect(QPaintBufferSignalProxy::instance(), SIGNAL(aboutToDestroy(const QPaintBufferPrivate*)), this, SLOT(remove(const QPaintBufferPrivate*)));
}
QPaintBufferResource::~QPaintBufferResource()
{
for (Cache::iterator it = m_cache.begin(); it != m_cache.end(); ++it)
free(it.value());
}
void QPaintBufferResource::insert(const QPaintBufferPrivate *key, void *value)
{
Cache::iterator it = m_cache.find(key);
if (it != m_cache.end()) {
free(it.value());
it.value() = value;
} else {
m_cache.insert(key, value);
}
}
void *QPaintBufferResource::value(const QPaintBufferPrivate *key)
{
Cache::iterator it = m_cache.find(key);
if (it != m_cache.end())
return it.value();
return 0;
}
void QPaintBufferResource::remove(const QPaintBufferPrivate *key)
{
Cache::iterator it = m_cache.find(key);
if (it != m_cache.end()) {
free(it.value());
m_cache.erase(it);
}
}
QDataStream &operator<<(QDataStream &stream, const QPaintBufferCommand &command)
{
quint32 id = command.id;
quint32 size = command.size;
stream << id << size;
stream << command.offset << command.offset2 << command.extra;
return stream;
}
QDataStream &operator>>(QDataStream &stream, QPaintBufferCommand &command)
{
quint32 id;
quint32 size;
stream >> id >> size;
stream >> command.offset >> command.offset2 >> command.extra;
command.id = id;
command.size = size;
return stream;
}
struct QPaintBufferCacheEntry
{
QVariant::Type type;
quint64 cacheKey;
};
QT_END_NAMESPACE
Q_DECLARE_METATYPE(QPaintBufferCacheEntry)
QT_BEGIN_NAMESPACE
QDataStream &operator<<(QDataStream &stream, const QPaintBufferCacheEntry &entry)
{
return stream << entry.type << entry.cacheKey;
}
QDataStream &operator>>(QDataStream &stream, QPaintBufferCacheEntry &entry)
{
return stream >> entry.type >> entry.cacheKey;
}
static int qRegisterPaintBufferMetaTypes()
{
qRegisterMetaType<QPaintBufferCacheEntry>();
qRegisterMetaTypeStreamOperators<QPaintBufferCacheEntry>("QPaintBufferCacheEntry");
return 0; // something
}
Q_CONSTRUCTOR_FUNCTION(qRegisterPaintBufferMetaTypes)
QDataStream &operator<<(QDataStream &stream, const QPaintBuffer &buffer)
{
QHash<qint64, QPixmap> pixmaps;
QHash<qint64, QImage> images;
QVector<QVariant> variants = buffer.d_ptr->variants;
for (int i = 0; i < variants.size(); ++i) {
const QVariant &v = variants.at(i);
if (v.type() == QVariant::Image) {
const QImage image(v.value<QImage>());
images[image.cacheKey()] = image;
QPaintBufferCacheEntry entry;
entry.type = QVariant::Image;
entry.cacheKey = image.cacheKey();
variants[i] = QVariant::fromValue(entry);
} else if (v.type() == QVariant::Pixmap) {
const QPixmap pixmap(v.value<QPixmap>());
pixmaps[pixmap.cacheKey()] = pixmap;
QPaintBufferCacheEntry entry;
entry.type = QVariant::Pixmap;
entry.cacheKey = pixmap.cacheKey();
variants[i] = QVariant::fromValue(entry);
}
}
stream << pixmaps;
stream << images;
stream << buffer.d_ptr->ints;
stream << buffer.d_ptr->floats;
stream << variants;
stream << buffer.d_ptr->commands;
stream << buffer.d_ptr->boundingRect;
stream << buffer.d_ptr->frames;
return stream;
}
QDataStream &operator>>(QDataStream &stream, QPaintBuffer &buffer)
{
QHash<qint64, QPixmap> pixmaps;
QHash<qint64, QImage> images;
stream >> pixmaps;
stream >> images;
stream >> buffer.d_ptr->ints;
stream >> buffer.d_ptr->floats;
stream >> buffer.d_ptr->variants;
stream >> buffer.d_ptr->commands;
stream >> buffer.d_ptr->boundingRect;
stream >> buffer.d_ptr->frames;
QVector<QVariant> &variants = buffer.d_ptr->variants;
for (int i = 0; i < variants.size(); ++i) {
const QVariant &v = variants.at(i);
if (v.canConvert<QPaintBufferCacheEntry>()) {
QPaintBufferCacheEntry entry = v.value<QPaintBufferCacheEntry>();
if (entry.type == QVariant::Image)
variants[i] = QVariant(images.value(entry.cacheKey));
else
variants[i] = QVariant(pixmaps.value(entry.cacheKey));
}
}
return stream;
}
QT_END_NAMESPACE