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
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
|
/*
* Copyright (c) 2004 Cyrille Berger <cberger@cberger.net>
* 2004 Sven Langkamp <longamp@reallygood.de>
*
* 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 "kis_gradient.h"
#include "kis_autogradient_resource.h"
// FIXME: use the same #define as in kis_gradient.cpp, probably best customizable?
#define PREVIEW_WIDTH 64
#define PREVIEW_HEIGHT 64
void KisAutogradientResource::createSegment( int interpolation, int colorInterpolation, double startOffset, double endOffset, double middleOffset, TQColor left, TQColor right )
{
pushSegment(new KisGradientSegment(interpolation, colorInterpolation, startOffset, middleOffset, endOffset, Color( left, 1 ), Color( right, 1 )));
}
const TQValueVector<double> KisAutogradientResource::getHandlePositions() const
{
TQValueVector<double> handlePositions;
handlePositions.push_back(m_segments[0]->startOffset());
for (uint i = 0; i < m_segments.count(); i++)
{
handlePositions.push_back(m_segments[i]->endOffset());
}
return handlePositions;
}
const TQValueVector<double> KisAutogradientResource::getMiddleHandlePositions() const
{
TQValueVector<double> middleHandlePositions;
for (uint i = 0; i < m_segments.count(); i++)
{
middleHandlePositions.push_back(m_segments[i]->middleOffset());
}
return middleHandlePositions;
}
void KisAutogradientResource::moveSegmentStartOffset( KisGradientSegment* segment, double t)
{
TQValueVector<KisGradientSegment*>::iterator it = tqFind( m_segments.begin(), m_segments.end(), segment );
if ( it != m_segments.end() )
{
if ( it == m_segments.begin() )
{
segment->setStartOffset( 0.0 );
return;
}
KisGradientSegment* previousSegment = (*(it-1));
if ( t > segment->startOffset() )
{
if( t > segment->middleOffset() )
t = segment->middleOffset();
}
else {
if( t < previousSegment->middleOffset() )
t = previousSegment->middleOffset();
}
previousSegment->setEndOffset( t );
segment->setStartOffset( t );
}
}
void KisAutogradientResource::moveSegmentEndOffset( KisGradientSegment* segment, double t)
{
TQValueVector<KisGradientSegment*>::iterator it = tqFind( m_segments.begin(), m_segments.end(), segment );
if ( it != m_segments.end() )
{
if ( it+1 == m_segments.end() )
{
segment->setEndOffset( 1.0 );
return;
}
KisGradientSegment* followingSegment = (*(it+1));
if ( t < segment->endOffset() )
{
if( t < segment->middleOffset() )
t = segment->middleOffset();
}
else {
if( t > followingSegment->middleOffset() )
t = followingSegment->middleOffset();
}
followingSegment->setStartOffset( t );
segment->setEndOffset( t );
}
}
void KisAutogradientResource::moveSegmentMiddleOffset( KisGradientSegment* segment, double t)
{
if( segment )
{
if( t > segment->endOffset() )
segment->setMiddleOffset( segment->endOffset() );
else if( t < segment->startOffset() )
segment->setMiddleOffset( segment->startOffset() );
else
segment->setMiddleOffset( t );
}
}
void KisAutogradientResource::splitSegment( KisGradientSegment* segment )
{
Q_ASSERT(segment != 0);
TQValueVector<KisGradientSegment*>::iterator it = tqFind( m_segments.begin(), m_segments.end(), segment );
if ( it != m_segments.end() )
{
KisGradientSegment* newSegment = new KisGradientSegment(
segment->interpolation(), segment->colorInterpolation(),
segment ->startOffset(),
( segment->middleOffset() - segment->startOffset() ) / 2 + segment->startOffset(),
segment->middleOffset(),
segment->startColor(),
segment->colorAt( segment->middleOffset() ) );
m_segments.insert( it, newSegment );
segment->setStartColor( segment->colorAt( segment->middleOffset() ) );
segment->setStartOffset( segment->middleOffset() );
segment->setMiddleOffset( ( segment->endOffset() - segment->startOffset() ) / 2 + segment->startOffset() );
}
}
void KisAutogradientResource::duplicateSegment( KisGradientSegment* segment )
{
Q_ASSERT(segment != 0);
TQValueVector<KisGradientSegment*>::iterator it = tqFind( m_segments.begin(), m_segments.end(), segment );
if ( it != m_segments.end() )
{
double middlePostionPercentage = ( segment->middleOffset() - segment->startOffset() ) / segment->length();
double center = segment->startOffset() + segment->length() / 2;
KisGradientSegment* newSegment = new KisGradientSegment(
segment->interpolation(), segment->colorInterpolation(),
segment ->startOffset(),
segment->length() / 2 * middlePostionPercentage + segment->startOffset(),
center, segment->startColor(),
segment->endColor() );
m_segments.insert( it, newSegment );
segment->setStartOffset( center );
segment->setMiddleOffset( segment->length() * middlePostionPercentage + segment->startOffset() );
}
}
void KisAutogradientResource::mirrorSegment( KisGradientSegment* segment )
{
Q_ASSERT(segment != 0);
Color tmpColor = segment->startColor();
segment->setStartColor( segment->endColor() );
segment->setEndColor( tmpColor );
segment->setMiddleOffset( segment->endOffset() - ( segment->middleOffset() - segment->startOffset() ) );
if( segment->interpolation() == INTERP_SPHERE_INCREASING )
segment->setInterpolation( INTERP_SPHERE_DECREASING );
else if( segment->interpolation() == INTERP_SPHERE_DECREASING )
segment->setInterpolation( INTERP_SPHERE_INCREASING );
if( segment->colorInterpolation() == COLOR_INTERP_HSV_CW )
segment->setColorInterpolation( COLOR_INTERP_HSV_CCW );
else if( segment->colorInterpolation() == COLOR_INTERP_HSV_CCW )
segment->setColorInterpolation( COLOR_INTERP_HSV_CW );
}
KisGradientSegment* KisAutogradientResource::removeSegment( KisGradientSegment* segment )
{
Q_ASSERT(segment != 0);
if( m_segments.count() < 2 )
return 0;
TQValueVector<KisGradientSegment*>::iterator it = tqFind( m_segments.begin(), m_segments.end(), segment );
if ( it != m_segments.end() )
{
double middlePostionPercentage;
KisGradientSegment* nextSegment;
if( it == m_segments.begin() )
{
nextSegment = (*(it+1));
middlePostionPercentage = ( nextSegment->middleOffset() - nextSegment->startOffset() ) / nextSegment->length();
nextSegment->setStartOffset( segment->startOffset() );
nextSegment->setMiddleOffset( middlePostionPercentage * nextSegment->length() + nextSegment->startOffset() );
}
else
{
nextSegment = (*(it-1));
middlePostionPercentage = ( nextSegment->middleOffset() - nextSegment->startOffset() ) / nextSegment->length();
nextSegment->setEndOffset( segment->endOffset() );
nextSegment->setMiddleOffset( middlePostionPercentage * nextSegment->length() + nextSegment->startOffset() );
}
delete segment;
m_segments.erase( it );
return nextSegment;
}
return 0;
}
bool KisAutogradientResource::removeSegmentPossible() const
{
if( m_segments.count() < 2 )
return false;
return true;
}
void KisAutogradientResource::updatePreview()
{
setImage( generatePreview( PREVIEW_WIDTH, PREVIEW_HEIGHT ) );
}
|
