QPixmap PostEffect::process(const QPixmap &in, int effect)
{
QPixmap pix;
switch (effect)
{
case EFFECT_DROP_SHADOW:
{
//pix = shadoizePixmap(in);
pix = drawShadowedPixmap(in);
break;
}
case EFFECT_POLAROID_DROP_SHADOW:
{
//pix = shadoizePixmapWithBorder(in);
pix = drawShadowedPixmap( addBorderToPixmap(in,defaultBorderColor,defaultBorderSize) );
break;
}
case EFFECT_PROGRESSIVE_EDGE:
{
pix = progressivePixmap(in);
break;
}
case EFFECT_TORN_EDGE:
{
pix = tornEdgePixmap(in);
break;
}
case EFFECT_NONE:
default:
{
pix = in;
break;
}
}
return pix;
}
void EWASiteDrawer::makeThumbnailFromImage( QPixmap& srcImg, qreal blurR )
{
int iW = srcImg.width();
int iH = srcImg.height();
int iDstDemension = EWAApplication::getScreenSize().width()/5;
if( qMax( iW, iH ) > iDstDemension )
{
srcImg = iW >= iH
? srcImg.scaledToWidth( iDstDemension, Qt::SmoothTransformation )
: srcImg.scaledToHeight( iDstDemension, Qt::SmoothTransformation );
}
QPixmap res( srcImg.width() + blurR + blurR, srcImg.height() + blurR + blurR);
res.fill( QToolTip::palette().color( QPalette::Inactive, QPalette::AlternateBase ) );
QPainter p( &res );
p.setRenderHints( EWAApplication::getRenderHints() );
drawShadowedPixmap( &p, srcImg, (res.width()-srcImg.width())/2-blurR/2, (res.height()-srcImg.height())/2-blurR/2, false );
srcImg = res.copy();
}
// algorithm from Greenshot - http://getgreenshot.org/
static QPixmap CreateTornEdge(const QPixmap& sourceImage, int toothHeight, int horizontalToothRange, int verticalToothRange)
{
QPixmap returnImage( sourceImage.width(), sourceImage.height() );
returnImage.fill (Qt::transparent);
QPainterPath path;
int horizontalRegions = (int)(sourceImage.width() / horizontalToothRange);
int verticalRegions = (int)(sourceImage.height() / verticalToothRange);
// Start
QPointF previousEndingPoint = QPointF( horizontalToothRange, MiscFunctions::random(1, toothHeight) );
QPointF newEndingPoint;
// Top
path.moveTo(previousEndingPoint);
for (int i = 0; i < horizontalRegions; i++)
{
int x = (int)previousEndingPoint.x() + horizontalToothRange;
int y = MiscFunctions::random(1, toothHeight);
newEndingPoint = QPointF(x, y);
//path.lineTo(previousEndingPoint, newEndingPoint);
path.lineTo(newEndingPoint);
previousEndingPoint = newEndingPoint;
}
// Right
for (int i = 0; i < verticalRegions; i++)
{
int x = sourceImage.width() - MiscFunctions::random(1, toothHeight);
int y = (int)previousEndingPoint.y() + verticalToothRange;
newEndingPoint = QPointF(x, y);
path.lineTo(newEndingPoint);
previousEndingPoint = newEndingPoint;
}
// Bottom
for (int i = 0; i < horizontalRegions; i++)
{
int x = (int)previousEndingPoint.x() - horizontalToothRange;
int y = sourceImage.height() - MiscFunctions::random(1, toothHeight);
newEndingPoint = QPointF(x, y);
path.lineTo(newEndingPoint);
previousEndingPoint = newEndingPoint;
}
// Left
for (int i = 0; i < verticalRegions; i++)
{
int x = MiscFunctions::random(1, toothHeight);
int y = (int)previousEndingPoint.y() - verticalToothRange;
newEndingPoint = QPointF(x, y);
path.lineTo(newEndingPoint);
previousEndingPoint = newEndingPoint;
}
path.closeSubpath();
QPainter painter(&returnImage);
painter.setPen(Qt::NoPen);
painter.setRenderHint(QPainter::Antialiasing, true);
painter.setClipPath(path);
painter.drawPixmap(0,0,sourceImage);
return drawShadowedPixmap(returnImage);
}
