1 | /* $Xorg: gcstruct.h,v 1.4 2001/02/09 02:05:15 xorgcvs Exp $ */
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2 | /***********************************************************
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3 |
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4 | Copyright 1987, 1998 The Open Group
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5 |
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6 | Permission to use, copy, modify, distribute, and sell this software and its
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7 | documentation for any purpose is hereby granted without fee, provided that
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8 | the above copyright notice appear in all copies and that both that
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9 | copyright notice and this permission notice appear in supporting
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10 | documentation.
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11 |
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12 | The above copyright notice and this permission notice shall be included in
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13 | all copies or substantial portions of the Software.
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14 |
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15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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18 | OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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19 | AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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20 | CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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21 |
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22 | Except as contained in this notice, the name of The Open Group shall not be
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23 | used in advertising or otherwise to promote the sale, use or other dealings
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24 | in this Software without prior written authorization from The Open Group.
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25 |
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26 |
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27 | Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
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28 |
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29 | All Rights Reserved
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30 |
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31 | Permission to use, copy, modify, and distribute this software and its
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32 | documentation for any purpose and without fee is hereby granted,
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33 | provided that the above copyright notice appear in all copies and that
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34 | both that copyright notice and this permission notice appear in
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35 | supporting documentation, and that the name of Digital not be
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36 | used in advertising or publicity pertaining to distribution of the
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37 | software without specific, written prior permission.
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38 |
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39 | DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
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40 | ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
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41 | DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
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42 | ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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43 | WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
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44 | ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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45 | SOFTWARE.
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46 |
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47 | ******************************************************************/
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48 |
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49 |
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50 | /* $XFree86: xc/programs/Xserver/include/gcstruct.h,v 1.7 2003/04/27 21:31:04 herrb Exp $ */
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51 |
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52 | #ifndef GCSTRUCT_H
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53 | #define GCSTRUCT_H
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54 |
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55 | #include "gc.h"
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56 |
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57 | #include "regionstr.h"
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58 | #include "region.h"
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59 | #include "pixmap.h"
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60 | #include "screenint.h"
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61 | #include <X11/Xprotostr.h>
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62 |
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63 | /*
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64 | * functions which modify the state of the GC
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65 | */
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66 |
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67 | typedef struct _GCFuncs {
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68 | void (* ValidateGC)(
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69 | GCPtr /*pGC*/,
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70 | unsigned long /*stateChanges*/,
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71 | DrawablePtr /*pDrawable*/);
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72 |
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73 | void (* ChangeGC)(
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74 | GCPtr /*pGC*/,
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75 | unsigned long /*mask*/);
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76 |
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77 | void (* CopyGC)(
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78 | GCPtr /*pGCSrc*/,
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79 | unsigned long /*mask*/,
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80 | GCPtr /*pGCDst*/);
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81 |
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82 | void (* DestroyGC)(
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83 | GCPtr /*pGC*/);
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84 |
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85 | void (* ChangeClip)(
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86 | GCPtr /*pGC*/,
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87 | int /*type*/,
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88 | pointer /*pvalue*/,
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89 | int /*nrects*/);
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90 |
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91 | void (* DestroyClip)(
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92 | GCPtr /*pGC*/);
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93 |
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94 | void (* CopyClip)(
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95 | GCPtr /*pgcDst*/,
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96 | GCPtr /*pgcSrc*/);
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97 | DevUnion devPrivate;
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98 | } GCFuncs;
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99 |
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100 | /*
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101 | * graphics operations invoked through a GC
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102 | */
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103 |
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104 | typedef struct _GCOps {
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105 | void (* FillSpans)(
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106 | DrawablePtr /*pDrawable*/,
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107 | GCPtr /*pGC*/,
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108 | int /*nInit*/,
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109 | DDXPointPtr /*pptInit*/,
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110 | int * /*pwidthInit*/,
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111 | int /*fSorted*/);
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112 |
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113 | void (* SetSpans)(
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114 | DrawablePtr /*pDrawable*/,
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115 | GCPtr /*pGC*/,
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116 | char * /*psrc*/,
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117 | DDXPointPtr /*ppt*/,
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118 | int * /*pwidth*/,
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119 | int /*nspans*/,
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120 | int /*fSorted*/);
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121 |
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122 | void (* PutImage)(
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123 | DrawablePtr /*pDrawable*/,
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124 | GCPtr /*pGC*/,
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125 | int /*depth*/,
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126 | int /*x*/,
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127 | int /*y*/,
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128 | int /*w*/,
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129 | int /*h*/,
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130 | int /*leftPad*/,
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131 | int /*format*/,
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132 | char * /*pBits*/);
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133 |
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134 | RegionPtr (* CopyArea)(
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135 | DrawablePtr /*pSrc*/,
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136 | DrawablePtr /*pDst*/,
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137 | GCPtr /*pGC*/,
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138 | int /*srcx*/,
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139 | int /*srcy*/,
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140 | int /*w*/,
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141 | int /*h*/,
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142 | int /*dstx*/,
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143 | int /*dsty*/);
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144 |
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145 | RegionPtr (* CopyPlane)(
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146 | DrawablePtr /*pSrcDrawable*/,
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147 | DrawablePtr /*pDstDrawable*/,
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148 | GCPtr /*pGC*/,
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149 | int /*srcx*/,
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150 | int /*srcy*/,
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151 | int /*width*/,
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152 | int /*height*/,
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153 | int /*dstx*/,
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154 | int /*dsty*/,
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155 | unsigned long /*bitPlane*/);
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156 | void (* PolyPoint)(
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157 | DrawablePtr /*pDrawable*/,
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158 | GCPtr /*pGC*/,
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159 | int /*mode*/,
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160 | int /*npt*/,
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161 | DDXPointPtr /*pptInit*/);
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162 |
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163 | void (* Polylines)(
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164 | DrawablePtr /*pDrawable*/,
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165 | GCPtr /*pGC*/,
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166 | int /*mode*/,
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167 | int /*npt*/,
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168 | DDXPointPtr /*pptInit*/);
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169 |
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170 | void (* PolySegment)(
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171 | DrawablePtr /*pDrawable*/,
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172 | GCPtr /*pGC*/,
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173 | int /*nseg*/,
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174 | xSegment * /*pSegs*/);
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175 |
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176 | void (* PolyRectangle)(
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177 | DrawablePtr /*pDrawable*/,
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178 | GCPtr /*pGC*/,
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179 | int /*nrects*/,
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180 | xRectangle * /*pRects*/);
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181 |
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182 | void (* PolyArc)(
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183 | DrawablePtr /*pDrawable*/,
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184 | GCPtr /*pGC*/,
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185 | int /*narcs*/,
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186 | xArc * /*parcs*/);
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187 |
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188 | void (* FillPolygon)(
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189 | DrawablePtr /*pDrawable*/,
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190 | GCPtr /*pGC*/,
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191 | int /*shape*/,
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192 | int /*mode*/,
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193 | int /*count*/,
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194 | DDXPointPtr /*pPts*/);
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195 |
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196 | void (* PolyFillRect)(
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197 | DrawablePtr /*pDrawable*/,
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198 | GCPtr /*pGC*/,
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199 | int /*nrectFill*/,
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200 | xRectangle * /*prectInit*/);
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201 |
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202 | void (* PolyFillArc)(
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203 | DrawablePtr /*pDrawable*/,
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204 | GCPtr /*pGC*/,
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205 | int /*narcs*/,
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206 | xArc * /*parcs*/);
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207 |
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208 | int (* PolyText8)(
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209 | DrawablePtr /*pDrawable*/,
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210 | GCPtr /*pGC*/,
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211 | int /*x*/,
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212 | int /*y*/,
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213 | int /*count*/,
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214 | char * /*chars*/);
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215 |
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216 | int (* PolyText16)(
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217 | DrawablePtr /*pDrawable*/,
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218 | GCPtr /*pGC*/,
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219 | int /*x*/,
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220 | int /*y*/,
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221 | int /*count*/,
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222 | unsigned short * /*chars*/);
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223 |
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224 | void (* ImageText8)(
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225 | DrawablePtr /*pDrawable*/,
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226 | GCPtr /*pGC*/,
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227 | int /*x*/,
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228 | int /*y*/,
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229 | int /*count*/,
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230 | char * /*chars*/);
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231 |
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232 | void (* ImageText16)(
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233 | DrawablePtr /*pDrawable*/,
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234 | GCPtr /*pGC*/,
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235 | int /*x*/,
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236 | int /*y*/,
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237 | int /*count*/,
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238 | unsigned short * /*chars*/);
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239 |
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240 | void (* ImageGlyphBlt)(
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241 | DrawablePtr /*pDrawable*/,
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242 | GCPtr /*pGC*/,
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243 | int /*x*/,
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244 | int /*y*/,
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245 | unsigned int /*nglyph*/,
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246 | CharInfoPtr * /*ppci*/,
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247 | pointer /*pglyphBase*/);
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248 |
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249 | void (* PolyGlyphBlt)(
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250 | DrawablePtr /*pDrawable*/,
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251 | GCPtr /*pGC*/,
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252 | int /*x*/,
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253 | int /*y*/,
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254 | unsigned int /*nglyph*/,
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255 | CharInfoPtr * /*ppci*/,
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256 | pointer /*pglyphBase*/);
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257 |
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258 | void (* PushPixels)(
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259 | GCPtr /*pGC*/,
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260 | PixmapPtr /*pBitMap*/,
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261 | DrawablePtr /*pDst*/,
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262 | int /*w*/,
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263 | int /*h*/,
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264 | int /*x*/,
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265 | int /*y*/);
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266 |
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267 | #ifdef NEED_LINEHELPER
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268 | void (* LineHelper)();
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269 | #endif
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270 |
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271 | DevUnion devPrivate;
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272 | } GCOps;
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273 |
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274 | /* there is padding in the bit fields because the Sun compiler doesn't
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275 | * force alignment to 32-bit boundaries. losers.
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276 | */
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277 | typedef struct _GC {
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278 | ScreenPtr pScreen;
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279 | unsigned char depth;
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280 | unsigned char alu;
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281 | unsigned short lineWidth;
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282 | unsigned short dashOffset;
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283 | unsigned short numInDashList;
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284 | unsigned char *dash;
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285 | unsigned int lineStyle : 2;
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286 | unsigned int capStyle : 2;
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287 | unsigned int joinStyle : 2;
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288 | unsigned int fillStyle : 2;
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289 | unsigned int fillRule : 1;
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290 | unsigned int arcMode : 1;
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291 | unsigned int subWindowMode : 1;
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292 | unsigned int graphicsExposures : 1;
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293 | unsigned int clientClipType : 2; /* CT_<kind> */
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294 | unsigned int miTranslate:1; /* should mi things translate? */
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295 | unsigned int tileIsPixel:1; /* tile is solid pixel */
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296 | unsigned int fExpose:1; /* Call exposure handling */
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297 | unsigned int freeCompClip:1; /* Free composite clip */
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298 | unsigned int unused:14; /* see comment above */
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299 | unsigned long planemask;
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300 | unsigned long fgPixel;
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301 | unsigned long bgPixel;
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302 | /*
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303 | * alas -- both tile and stipple must be here as they
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304 | * are independently specifiable
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305 | */
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306 | PixUnion tile;
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307 | PixmapPtr stipple;
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308 | DDXPointRec patOrg; /* origin for (tile, stipple) */
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309 | struct _Font *font;
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310 | DDXPointRec clipOrg;
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311 | DDXPointRec lastWinOrg; /* position of window last validated */
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312 | pointer clientClip;
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313 | unsigned long stateChanges; /* masked with GC_<kind> */
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314 | unsigned long serialNumber;
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315 | GCFuncs *funcs;
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316 | GCOps *ops;
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317 | DevUnion *devPrivates;
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318 | /*
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319 | * The following were moved here from private storage to allow device-
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320 | * independent access to them from screen wrappers.
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321 | * --- 1997.11.03 Marc Aurele La France ([email protected])
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322 | */
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323 | PixmapPtr pRotatedPixmap; /* tile/stipple rotated for alignment */
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324 | RegionPtr pCompositeClip;
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325 | /* fExpose & freeCompClip defined above */
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326 | } GC;
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327 |
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328 | #endif /* GCSTRUCT_H */
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