You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
133 lines
3.9 KiB
133 lines
3.9 KiB
/*
|
|
* Copyright (c) 2002 Patrick Julien <freak@codepimps.org>
|
|
* Copyright (c) 2004 Boudewijn Rempt <boud@valdyas.org>
|
|
* Copyright (c) 2004 Clarence Dang <dang@kde.org>
|
|
* Copyright (c) 2004 Adrian Page <adrian@pagenet.plus.com>
|
|
* Copyright (c) 2004 Cyrille Berger <cberger@cberger.net>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
|
|
#include <tqrect.h>
|
|
|
|
#include <kdebug.h>
|
|
|
|
#include "kis_brush.h"
|
|
#include "kis_global.h"
|
|
#include "kis_paint_device.h"
|
|
#include "tdelocale.h"
|
|
#include "kis_layer.h"
|
|
#include "kis_painter.h"
|
|
#include "kis_types.h"
|
|
#include "kis_paintop.h"
|
|
#include "kis_iterator.h"
|
|
#include "kis_selection.h"
|
|
#include "kis_iterators_pixel.h"
|
|
|
|
#include "kis_penop.h"
|
|
|
|
|
|
KisPaintOp * KisPenOpFactory::createOp(const KisPaintOpSettings */*settings*/, KisPainter * painter)
|
|
{
|
|
KisPaintOp * op = new KisPenOp(painter);
|
|
TQ_CHECK_PTR(op);
|
|
return op;
|
|
}
|
|
|
|
|
|
KisPenOp::KisPenOp(KisPainter * painter)
|
|
: super(painter)
|
|
{
|
|
}
|
|
|
|
KisPenOp::~KisPenOp()
|
|
{
|
|
}
|
|
|
|
void KisPenOp::paintAt(const KisPoint &pos, const KisPaintInformation& info)
|
|
{
|
|
if (!m_painter) return;
|
|
KisPaintDeviceSP device = m_painter->device();
|
|
if (!device) return;
|
|
KisBrush * brush = m_painter->brush();
|
|
if (!brush) return;
|
|
if (! brush->canPaintFor(info) )
|
|
return;
|
|
|
|
KisPoint hotSpot = brush->hotSpot(info);
|
|
KisPoint pt = pos - hotSpot;
|
|
|
|
TQ_INT32 x = pt.roundX();
|
|
TQ_INT32 y = pt.roundY();
|
|
|
|
KisPaintDeviceSP dab = 0;
|
|
if (brush->brushType() == IMAGE ||
|
|
brush->brushType() == PIPE_IMAGE) {
|
|
dab = brush->image(device->colorSpace(), info);
|
|
}
|
|
else {
|
|
// Compute mask without sub-pixel positioning
|
|
KisAlphaMaskSP mask = brush->mask(info);
|
|
dab = computeDab(mask);
|
|
}
|
|
|
|
m_painter->setPressure(info.pressure);
|
|
TQRect dabRect = TQRect(0, 0, brush->maskWidth(info), brush->maskHeight(info));
|
|
TQRect dstRect = TQRect(x, y, dabRect.width(), dabRect.height());
|
|
|
|
KisImage * image = device->image();
|
|
|
|
if (image != 0) {
|
|
dstRect &= image->bounds();
|
|
}
|
|
|
|
if (dstRect.isNull() || dstRect.isEmpty() || !dstRect.isValid()) return;
|
|
|
|
KisColorSpace * cs = dab->colorSpace();
|
|
|
|
// Set all alpha > opaque/2 to opaque, the rest to transparent.
|
|
// XXX: Using 4/10 as the 1x1 circle brush paints nothing with 0.5.
|
|
|
|
KisRectIteratorPixel pixelIt = dab->createRectIterator(dabRect.x(), dabRect.y(), dabRect.width(), dabRect.height(), true);
|
|
|
|
while (!pixelIt.isDone()) {
|
|
TQ_UINT8 alpha = cs->getAlpha(pixelIt.rawData());
|
|
|
|
if (alpha < (4 * OPACITY_OPAQUE) / 10) {
|
|
cs->setAlpha(pixelIt.rawData(), OPACITY_TRANSPARENT, 1);
|
|
} else {
|
|
cs->setAlpha(pixelIt.rawData(), OPACITY_OPAQUE, 1);
|
|
}
|
|
|
|
++pixelIt;
|
|
}
|
|
|
|
TQ_INT32 sx = dstRect.x() - x;
|
|
TQ_INT32 sy = dstRect.y() - y;
|
|
TQ_INT32 sw = dstRect.width();
|
|
TQ_INT32 sh = dstRect.height();
|
|
|
|
if (m_source->hasSelection()) {
|
|
m_painter->bltSelection(dstRect.x(), dstRect.y(), m_painter->compositeOp(), dab.data(),
|
|
m_source->selection(), m_painter->opacity(), sx, sy, sw, sh);
|
|
}
|
|
else {
|
|
m_painter->bitBlt(dstRect.x(), dstRect.y(), m_painter->compositeOp(), dab.data(), m_painter->opacity(), sx, sy, sw, sh);
|
|
}
|
|
|
|
m_painter->addDirtyRect(dstRect);
|
|
}
|