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
|
//
// libavg - Media Playback Engine.
// Copyright (C) 2003-2014 Ulrich von Zadow
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library 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
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
// Current versions can be found at www.libavg.de
//
#include "GPUHueSatFilter.h"
#include "ShaderRegistry.h"
#include "OGLShader.h"
#include "../base/ObjectCounter.h"
#include "../base/Logger.h"
#define SHADERID_HSL_COLOR "huesat"
using namespace std;
namespace avg {
GPUHueSatFilter::GPUHueSatFilter(const IntPoint& size, bool bUseAlpha, bool bStandalone)
: GPUFilter(SHADERID_HSL_COLOR, bUseAlpha, bStandalone),
m_LightnessOffset(0.0),
m_Hue(0.0),
m_Saturation(0.0)
{
ObjectCounter::get()->incRef(&typeid(*this));
setDimensions(size);
OGLShaderPtr pShader = getShader();
m_pHueParam = pShader->getParam<float>("u_Hue");
m_pSatParam = pShader->getParam<float>("u_Sat");
m_pLightnessParam = pShader->getParam<float>("u_LightnessOffset");
m_pColorizeParam = pShader->getParam<int>("u_bColorize");
m_pTextureParam = pShader->getParam<int>("u_Texture");
}
GPUHueSatFilter::~GPUHueSatFilter()
{
ObjectCounter::get()->decRef(&typeid(*this));
}
void GPUHueSatFilter::setParams(int hue, int saturation,
int light_add, bool colorize)
{
m_Hue = float(hue);
m_Saturation = saturation / 100.0f;
m_LightnessOffset = light_add / 100.0f;
m_bColorize = colorize;
}
void GPUHueSatFilter::applyOnGPU(GLTexturePtr pSrcTex)
{
getShader()->activate();
m_pHueParam->set(m_Hue);
m_pSatParam->set(m_Saturation);
m_pLightnessParam->set(m_LightnessOffset);
m_pColorizeParam->set((int)(m_bColorize));
m_pTextureParam->set(0);
draw(pSrcTex);
}
}
|
