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
|
/*
* 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.
*
* Copyright 2012, Blender Foundation.
*/
#include "COM_KeyingBlurOperation.h"
#include "MEM_guardedalloc.h"
#include "BLI_listbase.h"
#include "BLI_math.h"
KeyingBlurOperation::KeyingBlurOperation()
{
this->addInputSocket(DataType::Value);
this->addOutputSocket(DataType::Value);
this->m_size = 0;
this->m_axis = BLUR_AXIS_X;
this->setComplex(true);
}
void *KeyingBlurOperation::initializeTileData(rcti *rect)
{
void *buffer = getInputOperation(0)->initializeTileData(rect);
return buffer;
}
void KeyingBlurOperation::executePixel(float output[4], int x, int y, void *data)
{
MemoryBuffer *inputBuffer = (MemoryBuffer *)data;
const int bufferWidth = inputBuffer->getWidth();
float *buffer = inputBuffer->getBuffer();
int count = 0;
float average = 0.0f;
if (this->m_axis == 0) {
const int start = MAX2(0, x - this->m_size + 1), end = MIN2(bufferWidth, x + this->m_size);
for (int cx = start; cx < end; cx++) {
int bufferIndex = (y * bufferWidth + cx);
average += buffer[bufferIndex];
count++;
}
}
else {
const int start = MAX2(0, y - this->m_size + 1),
end = MIN2(inputBuffer->getHeight(), y + this->m_size);
for (int cy = start; cy < end; cy++) {
int bufferIndex = (cy * bufferWidth + x);
average += buffer[bufferIndex];
count++;
}
}
average /= (float)count;
output[0] = average;
}
bool KeyingBlurOperation::determineDependingAreaOfInterest(rcti *input,
ReadBufferOperation *readOperation,
rcti *output)
{
rcti newInput;
if (this->m_axis == BLUR_AXIS_X) {
newInput.xmin = input->xmin - this->m_size;
newInput.ymin = input->ymin;
newInput.xmax = input->xmax + this->m_size;
newInput.ymax = input->ymax;
}
else {
newInput.xmin = input->xmin;
newInput.ymin = input->ymin - this->m_size;
newInput.xmax = input->xmax;
newInput.ymax = input->ymax + this->m_size;
}
return NodeOperation::determineDependingAreaOfInterest(&newInput, readOperation, output);
}
|
