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Viewing changes to source/blender/compositor/operations/COM_BlurBaseOperation.cpp

  • Committer: Package Import Robot
  • Author(s): Jeremy Bicha
  • Date: 2013-03-06 12:08:47 UTC
  • mfrom: (1.5.1) (14.1.8 experimental)
  • Revision ID: package-import@ubuntu.com-20130306120847-frjfaryb2zrotwcg
Tags: 2.66a-1ubuntu1
https://launchpad.net/bugs/1076930
https://launchpad.net/bugs/1089256
https://launchpad.net/bugs/1052743
https://launchpad.net/bugs/999024
* Resynchronize with Debian (LP: #1076930, #1089256, #1052743, #999024,
  #1122888, #1147084)
* debian/control:
  - Lower build-depends on libavcodec-dev since we're not
    doing the libav9 transition in Ubuntu yet

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source/blender/compositor/operations/COM_BlurBaseOperation.cpp
 
1
/*
 
2
 * Copyright 2011, Blender Foundation.
 
3
 *
 
4
 * This program is free software; you can redistribute it and/or
 
5
 * modify it under the terms of the GNU General Public License
 
6
 * as published by the Free Software Foundation; either version 2
 
7
 * of the License, or (at your option) any later version.
 
8
 *
 
9
 * This program is distributed in the hope that it will be useful,
 
10
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 
11
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
12
 * GNU General Public License for more details.
 
13
 *
 
14
 * You should have received a copy of the GNU General Public License
 
15
 * along with this program; if not, write to the Free Software Foundation,
 
16
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 
17
 *
 
18
 * Contributor: 
 
19
 *              Jeroen Bakker 
 
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 *              Monique Dewanchand
 
21
 */
 
22
 
 
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#include "COM_BlurBaseOperation.h"
 
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#include "BLI_math.h"
 
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#include "MEM_guardedalloc.h"
 
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extern "C" {
 
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        #include "RE_pipeline.h"
 
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}
 
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BlurBaseOperation::BlurBaseOperation(DataType data_type) : NodeOperation()
 
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{
 
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        /* data_type is almost always COM_DT_COLOR except for alpha-blur */
 
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        this->addInputSocket(data_type);
 
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        this->addInputSocket(COM_DT_VALUE);
 
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        this->addOutputSocket(data_type);
 
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        this->setComplex(true);
 
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        this->m_inputProgram = NULL;
 
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        this->m_data = NULL;
 
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        this->m_size = 1.0f;
 
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        this->m_deleteData = false;
 
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        this->m_sizeavailable = false;
 
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}
 
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void BlurBaseOperation::initExecution()
 
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{
 
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        this->m_inputProgram = this->getInputSocketReader(0);
 
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        this->m_inputSize = this->getInputSocketReader(1);
 
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        this->m_data->image_in_width = this->getWidth();
 
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        this->m_data->image_in_height = this->getHeight();
 
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        if (this->m_data->relative) {
 
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                switch (this->m_data->aspect) {
 
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                        case CMP_NODE_BLUR_ASPECT_NONE:
 
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                                this->m_data->sizex = (int)(this->m_data->percentx * 0.01f * this->m_data->image_in_width);
 
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                                this->m_data->sizey = (int)(this->m_data->percenty * 0.01f * this->m_data->image_in_height);
 
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                                break;
 
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                        case CMP_NODE_BLUR_ASPECT_Y:
 
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                                this->m_data->sizex = (int)(this->m_data->percentx * 0.01f * this->m_data->image_in_width);
 
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                                this->m_data->sizey = (int)(this->m_data->percenty * 0.01f * this->m_data->image_in_width);
 
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                                break;
 
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                        case CMP_NODE_BLUR_ASPECT_X:
 
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                                this->m_data->sizex = (int)(this->m_data->percentx * 0.01f * this->m_data->image_in_height);
 
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                                this->m_data->sizey = (int)(this->m_data->percenty * 0.01f * this->m_data->image_in_height);
 
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                                break;
 
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                }
 
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        }
 
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        QualityStepHelper::initExecution(COM_QH_MULTIPLY);
 
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}
 
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float *BlurBaseOperation::make_gausstab(int rad)
 
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{
 
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        float *gausstab, sum, val;
 
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        int i, n;
 
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        n = 2 * rad + 1;
 
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        gausstab = (float *)MEM_mallocN(sizeof(float) * n, __func__);
 
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        sum = 0.0f;
 
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        for (i = -rad; i <= rad; i++) {
 
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                val = RE_filter_value(this->m_data->filtertype, (float)i / (float)rad);
 
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                sum += val;
 
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                gausstab[i + rad] = val;
 
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        }
 
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        sum = 1.0f / sum;
 
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        for (i = 0; i < n; i++)
 
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                gausstab[i] *= sum;
 
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        return gausstab;
 
92
}
 
93
 
 
94
/* normalized distance from the current (inverted so 1.0 is close and 0.0 is far)
 
95
 * 'ease' is applied after, looks nicer */
 
96
float *BlurBaseOperation::make_dist_fac_inverse(int rad, int falloff)
 
97
{
 
98
        float *dist_fac_invert, val;
 
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        int i, n;
 
100
 
 
101
        n = 2 * rad + 1;
 
102
 
 
103
        dist_fac_invert = (float *)MEM_mallocN(sizeof(float) * n, __func__);
 
104
 
 
105
        for (i = -rad; i <= rad; i++) {
 
106
                val = 1.0f - fabsf(((float)i / (float)rad));
 
107
 
 
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                /* keep in sync with proportional_falloff_curve_only_items */
 
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                switch (falloff) {
 
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                        case PROP_SMOOTH:
 
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                                /* ease - gives less hard lines for dilate/erode feather */
 
112
                                val = (3.0f * val * val - 2.0f * val * val * val);
 
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                                break;
 
114
                        case PROP_SPHERE:
 
115
                                val = sqrtf(2.0f * val - val * val);
 
116
                                break;
 
117
                        case PROP_ROOT:
 
118
                                val = sqrtf(val);
 
119
                                break;
 
120
                        case PROP_SHARP:
 
121
                                val = val * val;
 
122
                                break;
 
123
                        case PROP_LIN:
 
124
#ifndef NDEBUG
 
125
                        /* uninitialized! */
 
126
                        case -1:
 
127
                                BLI_assert(0);
 
128
#endif
 
129
                        default:
 
130
                                /* nothing */
 
131
                                break;
 
132
                }
 
133
                dist_fac_invert[i + rad] = val;
 
134
        }
 
135
 
 
136
        return dist_fac_invert;
 
137
}
 
138
 
 
139
void BlurBaseOperation::deinitExecution()
 
140
{
 
141
        this->m_inputProgram = NULL;
 
142
        this->m_inputSize = NULL;
 
143
        if (this->m_deleteData) {
 
144
                delete this->m_data;
 
145
        }
 
146
        this->m_data = NULL;
 
147
}
 
148
 
 
149
void BlurBaseOperation::updateSize()
 
150
{
 
151
        if (!this->m_sizeavailable) {
 
152
                float result[4];
 
153
                this->getInputSocketReader(1)->read(result, 0, 0, COM_PS_NEAREST);
 
154
                this->m_size = result[0];
 
155
                this->m_sizeavailable = true;
 
156
        }
 
157
}