void BitmapImage::drawPattern(GraphicsContext* ctxt, const FloatRect& tileRect, const AffineTransform& patternTransform,
const FloatPoint& phase, CompositeOperator op, const FloatRect& destRect)
{
QPixmap* framePixmap = nativeImageForCurrentFrame();
if (!framePixmap) // If it's too early we won't have an image yet.
return;
QPixmap pixmap = *framePixmap;
QRect tr = QRectF(tileRect).toRect();
if (tr.x() || tr.y() || tr.width() != pixmap.width() || tr.height() != pixmap.height()) {
pixmap = pixmap.copy(tr);
}
if (patternTransform.isIdentity()) {
ctxt->save();
ctxt->setCompositeOperation(op);
QPainter* p = ctxt->platformContext();
p->setBrushOrigin(phase);
p->drawTiledPixmap(destRect, pixmap);
ctxt->restore();
} else {
QBrush b(pixmap);
b.setMatrix(patternTransform);
ctxt->save();
ctxt->setCompositeOperation(op);
QPainter* p = ctxt->platformContext();
p->setBrushOrigin(phase);
p->fillRect(destRect, b);
ctxt->restore();
}
}
void Image::drawPattern(GraphicsContext* ctxt, const FloatRect& tileRect, const TransformationMatrix& patternTransform,
const FloatPoint& phase, CompositeOperator op, const FloatRect& destRect)
{
QPixmap* framePixmap = nativeImageForCurrentFrame();
if (!framePixmap) // If it's too early we won't have an image yet.
return;
QPixmap pixmap = *framePixmap;
QRect tr = QRectF(tileRect).toRect();
if (tr.x() || tr.y() || tr.width() != pixmap.width() || tr.height() != pixmap.height())
pixmap = pixmap.copy(tr);
QBrush b(pixmap);
b.setTransform(patternTransform);
ctxt->save();
ctxt->setCompositeOperation(op);
QPainter* p = ctxt->platformContext();
if (!pixmap.hasAlpha() && p->compositionMode() == QPainter::CompositionMode_SourceOver)
p->setCompositionMode(QPainter::CompositionMode_Source);
p->setBrushOrigin(phase);
p->fillRect(destRect, b);
ctxt->restore();
if (imageObserver())
imageObserver()->didDraw(this);
}
/* static */
void AbstractAreaBase::paintBackgroundAttributes( QPainter& painter, const QRect& rect,
const KChart::BackgroundAttributes& attributes )
{
if ( !attributes.isVisible() ) return;
/* first draw the brush (may contain a pixmap)*/
if ( Qt::NoBrush != attributes.brush().style() ) {
KChart::PainterSaver painterSaver( &painter );
painter.setPen( Qt::NoPen );
const QPointF newTopLeft( painter.deviceMatrix().map( rect.topLeft() ) );
painter.setBrushOrigin( newTopLeft );
painter.setBrush( attributes.brush() );
painter.drawRect( rect.adjusted( 0, 0, -1, -1 ) );
}
/* next draw the backPixmap over the brush */
if ( !attributes.pixmap().isNull() &&
attributes.pixmapMode() != BackgroundAttributes::BackgroundPixmapModeNone ) {
QPointF ol = rect.topLeft();
if ( BackgroundAttributes::BackgroundPixmapModeCentered == attributes.pixmapMode() )
{
ol.setX( rect.center().x() - attributes.pixmap().width() / 2 );
ol.setY( rect.center().y() - attributes.pixmap().height()/ 2 );
painter.drawPixmap( ol, attributes.pixmap() );
} else {
QMatrix m;
qreal zW = (qreal)rect.width() / (qreal)attributes.pixmap().width();
qreal zH = (qreal)rect.height() / (qreal)attributes.pixmap().height();
switch ( attributes.pixmapMode() ) {
case BackgroundAttributes::BackgroundPixmapModeScaled:
{
qreal z;
z = qMin( zW, zH );
m.scale( z, z );
}
break;
case BackgroundAttributes::BackgroundPixmapModeStretched:
m.scale( zW, zH );
break;
default:
; // Cannot happen, previously checked
}
QPixmap pm = attributes.pixmap().transformed( m );
ol.setX( rect.center().x() - pm.width() / 2 );
ol.setY( rect.center().y() - pm.height()/ 2 );
painter.drawPixmap( ol, pm );
}
}
}
void
PlayField::mouseMoveEvent(QMouseEvent *e) {
lastMouseXPos_ = e->x();
lastMouseYPos_ = e->y();
if (!dragInProgress_) return highlight();
int old_x = dragX_, old_y = dragY_;
dragX_ = lastMouseXPos_ - mousePosX_;
dragY_ = lastMouseYPos_ - mousePosY_;
{
int x = pixel2x(dragX_ + size_/2);
int y = pixel2y(dragY_ + size_/2);
if (x >= 0 && x < levelMap_->width() &&
y >= 0 && y < levelMap_->height() &&
pathFinder_.canDragTo(x, y)) {
x = x2pixel(x);
y = y2pixel(y);
if (dragX_ >= x - size_/4 &&
dragX_ < x + size_/4 &&
dragY_ >= y - size_/4 &&
dragY_ < y + size_/4) {
dragX_ = x;
dragY_ = y;
}
}
}
if (dragX_ == old_x && dragY_ == old_y) return;
QRect rect(dragX_, dragY_, size_, size_);
dragXpm_= QPixmap(size_, size_);
QPainter paint;
paint.begin(&dragXpm_);
paint.setBackground(palette().color(backgroundRole()));
paint.setBrushOrigin(- dragX_, - dragY_);
paint.translate((double) (- dragX_), (double) (- dragY_));
paintPainter(paint, rect);
paint.end();
dragImage_ = dragXpm_.toImage();
for (int yy=0; yy<size_; yy++) {
for (int xx=0; xx<size_; xx++) {
QRgb rgb1 = imageData_->objectImg().pixel(xx, yy);
int r1 = qRed(rgb1);
int g1 = qGreen(rgb1);
int b1 = qBlue(rgb1);
if (r1 != g1 || r1 != b1 || r1 == 255) {
QRgb rgb2 = dragImage_.pixel(xx, yy);
int r2 = qRed(rgb2);
int g2 = qGreen(rgb2);
int b2 = qBlue(rgb2);
r2 = (int) (0.75 * r1 + 0.25 * r2 + 0.5);
g2 = (int) (0.75 * g1 + 0.25 * g2 + 0.5);
b2 = (int) (0.75 * b1 + 0.25 * b2 + 0.5);
dragImage_.setPixel(xx, yy, qRgb(r2, g2, b2));
}
}
}
paint.begin(this);
// the following line is a workaround for a bug in Qt 2.0.1
// (and possibly earlier versions)
paint.setBrushOrigin(0, 0);
dragXpm_ = QPixmap::fromImage(dragImage_,
Qt::OrderedDither|Qt::OrderedAlphaDither|
Qt::ColorOnly|Qt::AvoidDither);
paint.drawPixmap(dragX_, dragY_, dragXpm_);
{
int dx = dragX_ - old_x;
int dy = dragY_ - old_y;
int y2 = old_y;
if (dy > 0) {
paintPainterClip(paint, old_x, old_y, size_, dy);
// NOTE: clipping is now activated in the QPainter paint
y2 += dy;
} else if (dy < 0) {
paintPainterClip(paint, old_x, old_y+size_+dy, size_, -dy);
// NOTE: clipping is now activated in the QPainter paint
dy = -dy;
}
if (dx > 0) {
paintPainterClip(paint, old_x, y2, dx, size_-dy);
// NOTE: clipping is now activated in the QPainter paint
} else if (dx < 0) {
paintPainterClip(paint, old_x+size_+dx, y2, -dx, size_-dy);
// NOTE: clipping is now activated in the QPainter paint
}
}
paint.end();
}
