Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/thirdparty/freeglut/src/egl/fg_state_egl.c @ 21:2f43e400f144

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Provide an "all" target to build both the sdist and the wheel
author Franz Glasner <fzglas.hg@dom66.de>
date Fri, 19 Sep 2025 10:28:53 +0200
parents b50eed0cc0ef
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 * fg_state_egl.c
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3 *
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4 * EGL-specific freeglut state query methods.
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5 *
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6 * Copyright (C) 2012 Sylvain Beucler
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7 *
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8 * Permission is hereby granted, free of charge, to any person obtaining a
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9 * copy of this software and associated documentation files (the "Software"),
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10 * to deal in the Software without restriction, including without limitation
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11 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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12 * and/or sell copies of the Software, and to permit persons to whom the
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13 * Software is furnished to do so, subject to the following conditions:
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14 *
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15 * The above copyright notice and this permission notice shall be included
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16 * in all copies or substantial portions of the Software.
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17 *
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18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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21 * PAWEL W. OLSZTA BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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22 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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23 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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24 */
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26 #include <GL/freeglut.h>
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27 #include "fg_internal.h"
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28 #include "egl/fg_window_egl.h"
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30 /*
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31 * Queries the GL context about some attributes
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32 */
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33 static int fgPlatformGetConfig( int attribute )
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34 {
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35 int returnValue = 0;
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36 int result __fg_unused; /* Not checked */
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38 if( fgStructure.CurrentWindow )
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39 result = eglGetConfigAttrib( fgDisplay.pDisplay.egl.Display,
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40 fgStructure.CurrentWindow->Window.pContext.egl.Config,
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41 attribute,
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42 &returnValue );
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43
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44 return returnValue;
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45 }
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46
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47 int fghPlatformGlutGetEGL ( GLenum eWhat )
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48 {
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49 int nsamples = 0;
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51 switch( eWhat )
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52 {
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53 /*
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54 * The window/context specific queries are handled mostly by
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55 * fgPlatformGetConfig().
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56 */
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57 case GLUT_WINDOW_NUM_SAMPLES:
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58 glGetIntegerv(GL_SAMPLES, &nsamples);
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59 return nsamples;
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60
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61 /*
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62 * The rest of GLX queries under X are general enough to use a macro to
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63 * check them
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64 */
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65 # define EGL_QUERY(a,b) case a: return fgPlatformGetConfig( b );
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66
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67 EGL_QUERY( GLUT_WINDOW_BUFFER_SIZE, EGL_BUFFER_SIZE );
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68 EGL_QUERY( GLUT_WINDOW_STENCIL_SIZE, EGL_STENCIL_SIZE );
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69 EGL_QUERY( GLUT_WINDOW_DEPTH_SIZE, EGL_DEPTH_SIZE );
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70 EGL_QUERY( GLUT_WINDOW_RED_SIZE, EGL_RED_SIZE );
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71 EGL_QUERY( GLUT_WINDOW_GREEN_SIZE, EGL_GREEN_SIZE );
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72 EGL_QUERY( GLUT_WINDOW_BLUE_SIZE, EGL_BLUE_SIZE );
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73 EGL_QUERY( GLUT_WINDOW_ALPHA_SIZE, EGL_ALPHA_SIZE );
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74
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75 # undef EGL_QUERY
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76
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77 /* I do not know yet if there will be a fgChooseVisual() function for Win32 */
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78 case GLUT_DISPLAY_MODE_POSSIBLE:
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79 {
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80 /* We should not have to call fghChooseConfig again here. */
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81 EGLConfig config;
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82 return fghChooseConfig(&config);
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83 }
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84
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85 /* This is system-dependent */
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86 case GLUT_WINDOW_FORMAT_ID:
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87 if( fgStructure.CurrentWindow == NULL )
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88 return 0;
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89 return fgPlatformGetConfig( EGL_NATIVE_VISUAL_ID );
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91 case GLUT_WINDOW_DOUBLEBUFFER:
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92 return 1; /* EGL is always double-buffered */
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93
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94 default:
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95 fgWarning( "glutGet(): missing enum handle %d", eWhat );
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96 break;
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97 }
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98
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99 return -1;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
100 }
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
101
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
102 int* fgPlatformGlutGetModeValues(GLenum eWhat, int *size)
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
103 {
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
104 int *array;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
105
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
106 int attributes[9];
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
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107 int attribute_name = 0;
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parents:
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108
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
109 array = NULL;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
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110 *size = 0;
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parents:
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111
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Franz Glasner <fzglas.hg@dom66.de>
parents:
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112 switch (eWhat)
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parents:
diff changeset
113 {
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Franz Glasner <fzglas.hg@dom66.de>
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114 case GLUT_AUX:
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
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115 break;
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parents:
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116
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117 case GLUT_MULTISAMPLE:
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parents:
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118 attributes[0] = EGL_BUFFER_SIZE;
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119 attributes[1] = EGL_DONT_CARE;
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120 attributes[2] = EGL_SAMPLE_BUFFERS;
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parents:
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121 attributes[3] = 1;
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parents:
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122 attributes[4] = EGL_SAMPLES;
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parents:
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123 attributes[5] = 1;
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parents:
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124 attributes[6] = EGL_NONE;
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parents:
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125
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126 attribute_name = EGL_SAMPLES;
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127
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parents:
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128 EGLConfig* configArray;
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129 EGLint configArraySize = 0;
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130
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parents:
diff changeset
131 /* Get number of available configs */
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132 if (!eglChooseConfig(fgDisplay.pDisplay.egl.Display,
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parents:
diff changeset
133 attributes, NULL, 0,
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Franz Glasner <fzglas.hg@dom66.de>
parents:
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134 &configArraySize))
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parents:
diff changeset
135 break;
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parents:
diff changeset
136 configArray = calloc(configArraySize, sizeof(EGLConfig));
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parents:
diff changeset
137
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parents:
diff changeset
138 if (!eglChooseConfig(fgDisplay.pDisplay.egl.Display,
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parents:
diff changeset
139 attributes, configArray, configArraySize,
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parents:
diff changeset
140 &configArraySize))
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
141 break;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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parents:
diff changeset
142
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
143 /* We get results in ascending order */
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
144 {
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
145 int previous_value = 0;
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
146 int i;
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parents:
diff changeset
147
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
148 array = malloc(sizeof(int) * configArraySize);
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parents:
diff changeset
149
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
150 for (i = 0; i < configArraySize; i++) {
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parents:
diff changeset
151 int value = 0;
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parents:
diff changeset
152 eglGetConfigAttrib(fgDisplay.pDisplay.egl.Display,
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
153 configArray[i], attribute_name, &value);
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
154 if (value > previous_value)
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
155 {
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
156 previous_value = value;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
157 array[*size] = value;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
158 (*size)++;
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
159 }
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
160 }
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
161
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
162 array = realloc(array, sizeof(int) * (*size));
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
163 }
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
164 free(configArray);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
165 break;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
166
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
167 default:
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
168 break;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
169 }
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
170
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
171 return array;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
172 }