Mercurial > fife-parpg
annotate engine/core/video/image.cpp @ 161:e62122d12727
Fixed a tiny off-by-one in the getBixel
function.
author | phoku@33b003aa-7bff-0310-803a-e67f0ece8222 |
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date | Tue, 14 Oct 2008 20:20:29 +0000 |
parents | 90005975cdbb |
children | c3418554467f |
rev | line source |
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0
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1 /*************************************************************************** |
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2 * Copyright (C) 2005-2008 by the FIFE team * |
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3 * http://www.fifengine.de * |
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4 * This file is part of FIFE. * |
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5 * * |
46
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6 * FIFE is free software; you can redistribute it and/or * |
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7 * modify it under the terms of the GNU Lesser General Public * |
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8 * License as published by the Free Software Foundation; either * |
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9 * version 2.1 of the License, or (at your option) any later version. * |
0
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10 * * |
46
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11 * This library is distributed in the hope that it will be useful, * |
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12 * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
46
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * |
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14 * Lesser General Public License for more details. * |
0
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15 * * |
46
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16 * You should have received a copy of the GNU Lesser General Public * |
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17 * License along with this library; if not, write to the * |
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18 * Free Software Foundation, Inc., * |
46
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19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * |
0
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20 ***************************************************************************/ |
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21 |
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22 // Standard C++ library includes |
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23 #include <cassert> |
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24 #include <iostream> |
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25 |
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26 // 3rd party library includes |
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27 #include <SDL.h> |
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28 |
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29 // FIFE includes |
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30 // These includes are split up in two parts, separated by one empty line |
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31 // First block: files included from the FIFE root src directory |
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32 // Second block: files included from the same folder |
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33 #include "image.h" |
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34 |
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35 namespace FIFE { |
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36 |
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37 Image::Image(SDL_Surface* surface): |
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38 m_location(ResourceLocation("")), |
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39 m_surface(NULL) { |
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40 reset(surface); |
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41 } |
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42 |
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43 Image::Image(const uint8_t* data, unsigned int width, unsigned int height): |
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44 m_location(ResourceLocation("")), |
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45 m_surface(NULL) { |
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46 SDL_Surface* surface = SDL_CreateRGBSurface(SDL_SWSURFACE | SDL_SRCALPHA, width,height, 32, |
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47 RMASK, GMASK, BMASK ,AMASK); |
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48 SDL_LockSurface(surface); |
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49 |
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50 unsigned int size = width * height * 4; |
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51 uint8_t* pixeldata = static_cast<uint8_t*>(surface->pixels); |
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52 std::copy(data, data + size, pixeldata); |
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53 SDL_UnlockSurface(surface); |
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54 reset(surface); |
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55 } |
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56 |
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57 void Image::reset(SDL_Surface* surface) { |
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58 if( m_surface ) { |
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59 SDL_FreeSurface(m_surface); |
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60 } |
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61 m_surface = surface; |
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62 m_xshift = 0; |
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63 m_yshift = 0; |
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64 while (!m_clipstack.empty()) { |
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65 m_clipstack.pop(); |
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66 } |
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67 m_area.x = m_area.y = m_area.w = m_area.h = 0; |
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68 m_surface = surface; |
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69 } |
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70 |
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71 Image::~Image() { |
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72 //assert(m_refcount == 0); |
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73 reset(NULL); |
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74 } |
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75 |
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76 SDL_Surface* Image::detachSurface() { |
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77 SDL_Surface* srf = m_surface; |
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78 m_surface = NULL; |
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79 return srf; |
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80 } |
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81 |
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82 unsigned int Image::getWidth() const { |
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83 if (!m_surface) { |
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84 return 0; |
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85 } |
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86 return m_surface->w; |
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87 } |
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88 |
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89 unsigned int Image::getHeight() const { |
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90 if (!m_surface) { |
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91 return 0; |
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92 } |
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93 return m_surface->h; |
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94 } |
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95 |
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96 const Rect& Image::getArea() { |
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97 m_area.w = getWidth(); |
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98 m_area.h = getHeight(); |
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99 return m_area; |
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* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
100 } |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
101 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
102 void Image::setXShift(int xshift) { |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
103 m_xshift = xshift; |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
104 } |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
105 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
106 void Image::setYShift(int yshift) { |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
107 m_yshift = yshift; |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
108 } |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
109 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
110 void Image::getPixelRGBA(int x, int y, uint8_t* r, uint8_t* g, uint8_t* b, uint8_t* a) { |
161
e62122d12727
Fixed a tiny off-by-one in the getBixel
phoku@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
46
diff
changeset
|
111 if ((x < 0) || (x > m_surface->w) || (y < 0) || (y > m_surface->h)) { |
0
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
112 r = 0; |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
113 g = 0; |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
114 b = 0; |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
115 a = 0; |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
116 return; |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
117 } |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
118 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
119 int bpp = m_surface->format->BytesPerPixel; |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
120 Uint8 *p = (Uint8*)m_surface->pixels + y * m_surface->pitch + x * bpp; |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
121 uint32_t pixel; |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
122 switch(bpp) { |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
123 case 1: |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
124 pixel = *p; |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
125 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
126 case 2: |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
127 pixel = *(Uint16 *)p; |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
128 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
129 case 3: |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
130 if (SDL_BYTEORDER == SDL_BIG_ENDIAN) { |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
131 pixel = p[0] << 16 | p[1] << 8 | p[2]; |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
132 } else { |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
133 pixel = p[0] | p[1] << 8 | p[2] << 16; |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
134 } |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
135 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
136 case 4: |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
137 pixel = *(Uint32 *)p; |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
138 } |
34
d66538926e78
fix getPixelRGBA - it should return r g b and not r b g...
spq@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
0
diff
changeset
|
139 SDL_GetRGBA(pixel, m_surface->format, r, g, b, a); |
0
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
140 } |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
141 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
142 void Image::render(const Rect& rect, unsigned char alpha) { |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
143 render(rect, SDL_GetVideoSurface(), alpha); |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
144 } |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
145 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
146 void Image::pushClipArea(const Rect& cliparea, bool clear) { |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
147 ClipInfo ci; |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
148 ci.r = cliparea; |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
149 ci.clearing = clear; |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
150 m_clipstack.push(ci); |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
151 setClipArea(cliparea, clear); |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
152 } |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
153 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
154 void Image::popClipArea() { |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
155 assert(!m_clipstack.empty()); |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
156 m_clipstack.pop(); |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
157 if (m_clipstack.empty()) { |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
158 clearClipArea(); |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
159 } else { |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
160 ClipInfo ci = m_clipstack.top(); |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
161 setClipArea(ci.r, ci.clearing); |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
162 } |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
163 } |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
164 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
165 const Rect& Image::getClipArea() const { |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
166 if (m_clipstack.empty()) { |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
167 return m_clipstack.top().r; |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
168 } else { |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
169 return m_area; |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
170 } |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
171 } |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
172 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
173 void Image::clearClipArea() { |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
174 setClipArea(m_area, true); |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
175 } |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
176 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
177 void Image::saveAsPng(const std::string& filename, SDL_Surface& surface) { |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
178 FILE *fp; |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
179 png_structp pngptr; |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
180 png_infop infoptr; |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
181 int colortype; |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
182 png_bytep *rowpointers = NULL; |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
183 Uint32 rmask, gmask, bmask, amask; |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
184 //get endian |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
185 #if SDL_BYTEORDER == SDL_BIG_ENDIAN |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
186 rmask = 0xff000000; gmask = 0x00ff0000; bmask = 0x0000ff00; amask = 0x000000ff; |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
187 #else |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
188 rmask = 0x000000ff; gmask = 0x0000ff00; bmask = 0x00ff0000; amask = 0xff000000; |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
189 #endif |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
190 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
191 fp = fopen(filename.c_str(), "wb"); |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
192 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
193 if (fp == NULL) { |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
194 return; |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
195 } |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
196 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
197 //create the png file |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
198 pngptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
199 NULL, NULL, NULL); |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
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200 if (pngptr == NULL) { |
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* Datasets becomes the new trunk and retires after that :-)
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201 fclose(fp); |
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* Datasets becomes the new trunk and retires after that :-)
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202 return; |
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* Datasets becomes the new trunk and retires after that :-)
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203 } |
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* Datasets becomes the new trunk and retires after that :-)
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204 |
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* Datasets becomes the new trunk and retires after that :-)
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205 //create information struct |
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* Datasets becomes the new trunk and retires after that :-)
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206 infoptr = png_create_info_struct(pngptr); |
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* Datasets becomes the new trunk and retires after that :-)
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207 if (infoptr == NULL) { |
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* Datasets becomes the new trunk and retires after that :-)
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208 fclose(fp); |
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* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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209 png_destroy_write_struct(&pngptr, (png_infopp)NULL); |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
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210 return; |
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* Datasets becomes the new trunk and retires after that :-)
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211 } |
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* Datasets becomes the new trunk and retires after that :-)
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212 |
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* Datasets becomes the new trunk and retires after that :-)
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213 if (setjmp(png_jmpbuf(pngptr))) { |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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214 png_destroy_write_struct(&pngptr, &infoptr); |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
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215 fclose(fp); |
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* Datasets becomes the new trunk and retires after that :-)
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216 return; |
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* Datasets becomes the new trunk and retires after that :-)
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217 } |
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* Datasets becomes the new trunk and retires after that :-)
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218 |
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* Datasets becomes the new trunk and retires after that :-)
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219 //initialize io |
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* Datasets becomes the new trunk and retires after that :-)
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220 png_init_io(pngptr, fp); |
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* Datasets becomes the new trunk and retires after that :-)
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221 |
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* Datasets becomes the new trunk and retires after that :-)
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222 //lock the surface for access |
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* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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223 SDL_LockSurface(&surface); |
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* Datasets becomes the new trunk and retires after that :-)
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224 |
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* Datasets becomes the new trunk and retires after that :-)
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225 colortype = PNG_COLOR_TYPE_RGB; |
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* Datasets becomes the new trunk and retires after that :-)
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226 if(m_surface->format->palette){ |
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* Datasets becomes the new trunk and retires after that :-)
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227 colortype |= PNG_COLOR_TYPE_PALETTE; |
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* Datasets becomes the new trunk and retires after that :-)
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228 } |
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* Datasets becomes the new trunk and retires after that :-)
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229 else if (m_surface->format->Amask){ |
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* Datasets becomes the new trunk and retires after that :-)
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230 colortype |= PNG_COLOR_TYPE_RGB_ALPHA; |
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* Datasets becomes the new trunk and retires after that :-)
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parents:
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231 } |
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* Datasets becomes the new trunk and retires after that :-)
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parents:
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232 else{} |
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* Datasets becomes the new trunk and retires after that :-)
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233 |
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* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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234 png_set_IHDR(pngptr, infoptr, surface.w, surface.h, 8, colortype, |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
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235 PNG_INTERLACE_NONE, PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT); |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
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parents:
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236 |
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* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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237 png_write_info(pngptr, infoptr); |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
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|
238 png_set_packing(pngptr); |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
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parents:
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239 |
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* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
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240 rowpointers = new png_bytep[surface.h]; |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
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changeset
|
241 for (int i = 0; i < surface.h; i++) { |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
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|
242 rowpointers[i] = (png_bytep)(Uint8 *)surface.pixels + i*surface.pitch; |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
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|
243 } |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
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|
244 //write the image |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
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changeset
|
245 png_write_image(pngptr, rowpointers); |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
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|
246 png_write_end(pngptr, infoptr); |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
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|
247 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
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|
248 SDL_UnlockSurface(&surface); |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
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|
249 delete [] rowpointers; |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
250 png_destroy_write_struct(&pngptr, &infoptr); |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
251 fclose(fp); |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
252 |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
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|
253 } |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff
changeset
|
254 } |