1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
|
/*
* 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);
}
|
