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 1.6 2001/12/14 19:59:54 dawes 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 "miscstruct.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 "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 | #if NeedNestedPrototypes
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70 | GCPtr /*pGC*/,
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71 | unsigned long /*stateChanges*/,
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72 | DrawablePtr /*pDrawable*/
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73 | #endif
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74 | );
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75 |
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76 | void (* ChangeGC)(
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77 | #if NeedNestedPrototypes
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78 | GCPtr /*pGC*/,
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79 | unsigned long /*mask*/
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80 | #endif
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81 | );
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82 |
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83 | void (* CopyGC)(
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84 | #if NeedNestedPrototypes
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85 | GCPtr /*pGCSrc*/,
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86 | unsigned long /*mask*/,
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87 | GCPtr /*pGCDst*/
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88 | #endif
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89 | );
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90 |
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91 | void (* DestroyGC)(
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92 | #if NeedNestedPrototypes
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93 | GCPtr /*pGC*/
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94 | #endif
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95 | );
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96 |
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97 | void (* ChangeClip)(
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98 | #if NeedNestedPrototypes
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99 | GCPtr /*pGC*/,
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100 | int /*type*/,
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101 | pointer /*pvalue*/,
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102 | int /*nrects*/
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103 | #endif
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104 | );
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105 |
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106 | void (* DestroyClip)(
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107 | #if NeedNestedPrototypes
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108 | GCPtr /*pGC*/
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109 | #endif
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110 | );
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111 |
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112 | void (* CopyClip)(
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113 | #if NeedNestedPrototypes
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114 | GCPtr /*pgcDst*/,
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115 | GCPtr /*pgcSrc*/
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116 | #endif
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117 | );
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118 | DevUnion devPrivate;
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119 | } GCFuncs;
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120 |
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121 | /*
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122 | * graphics operations invoked through a GC
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123 | */
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124 |
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125 | typedef struct _GCOps {
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126 | void (* FillSpans)(
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127 | #if NeedNestedPrototypes
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128 | DrawablePtr /*pDrawable*/,
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129 | GCPtr /*pGC*/,
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130 | int /*nInit*/,
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131 | DDXPointPtr /*pptInit*/,
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132 | int * /*pwidthInit*/,
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133 | int /*fSorted*/
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134 | #endif
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135 | );
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136 |
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137 | void (* SetSpans)(
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138 | #if NeedNestedPrototypes
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139 | DrawablePtr /*pDrawable*/,
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140 | GCPtr /*pGC*/,
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141 | char * /*psrc*/,
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142 | DDXPointPtr /*ppt*/,
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143 | int * /*pwidth*/,
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144 | int /*nspans*/,
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145 | int /*fSorted*/
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146 | #endif
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147 | );
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148 |
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149 | void (* PutImage)(
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150 | #if NeedNestedPrototypes
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151 | DrawablePtr /*pDrawable*/,
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152 | GCPtr /*pGC*/,
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153 | int /*depth*/,
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154 | int /*x*/,
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155 | int /*y*/,
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156 | int /*w*/,
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157 | int /*h*/,
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158 | int /*leftPad*/,
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159 | int /*format*/,
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160 | char * /*pBits*/
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161 | #endif
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162 | );
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163 |
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164 | RegionPtr (* CopyArea)(
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165 | #if NeedNestedPrototypes
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166 | DrawablePtr /*pSrc*/,
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167 | DrawablePtr /*pDst*/,
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168 | GCPtr /*pGC*/,
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169 | int /*srcx*/,
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170 | int /*srcy*/,
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171 | int /*w*/,
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172 | int /*h*/,
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173 | int /*dstx*/,
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174 | int /*dsty*/
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175 | #endif
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176 | );
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177 |
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178 | RegionPtr (* CopyPlane)(
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179 | #if NeedNestedPrototypes
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180 | DrawablePtr /*pSrcDrawable*/,
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181 | DrawablePtr /*pDstDrawable*/,
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182 | GCPtr /*pGC*/,
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183 | int /*srcx*/,
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184 | int /*srcy*/,
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185 | int /*width*/,
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186 | int /*height*/,
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187 | int /*dstx*/,
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188 | int /*dsty*/,
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189 | unsigned long /*bitPlane*/
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190 | #endif
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191 | );
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192 | void (* PolyPoint)(
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193 | #if NeedNestedPrototypes
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194 | DrawablePtr /*pDrawable*/,
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195 | GCPtr /*pGC*/,
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196 | int /*mode*/,
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197 | int /*npt*/,
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198 | DDXPointPtr /*pptInit*/
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199 | #endif
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200 | );
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201 |
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202 | void (* Polylines)(
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203 | #if NeedNestedPrototypes
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204 | DrawablePtr /*pDrawable*/,
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205 | GCPtr /*pGC*/,
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206 | int /*mode*/,
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207 | int /*npt*/,
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208 | DDXPointPtr /*pptInit*/
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209 | #endif
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210 | );
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211 |
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212 | void (* PolySegment)(
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213 | #if NeedNestedPrototypes
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214 | DrawablePtr /*pDrawable*/,
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215 | GCPtr /*pGC*/,
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216 | int /*nseg*/,
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217 | xSegment * /*pSegs*/
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218 | #endif
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219 | );
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220 |
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221 | void (* PolyRectangle)(
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222 | #if NeedNestedPrototypes
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223 | DrawablePtr /*pDrawable*/,
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224 | GCPtr /*pGC*/,
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225 | int /*nrects*/,
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226 | xRectangle * /*pRects*/
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227 | #endif
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228 | );
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229 |
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230 | void (* PolyArc)(
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231 | #if NeedNestedPrototypes
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232 | DrawablePtr /*pDrawable*/,
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233 | GCPtr /*pGC*/,
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234 | int /*narcs*/,
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235 | xArc * /*parcs*/
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236 | #endif
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237 | );
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238 |
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239 | void (* FillPolygon)(
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240 | #if NeedNestedPrototypes
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241 | DrawablePtr /*pDrawable*/,
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242 | GCPtr /*pGC*/,
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243 | int /*shape*/,
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244 | int /*mode*/,
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245 | int /*count*/,
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246 | DDXPointPtr /*pPts*/
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247 | #endif
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248 | );
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249 |
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250 | void (* PolyFillRect)(
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251 | #if NeedNestedPrototypes
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252 | DrawablePtr /*pDrawable*/,
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253 | GCPtr /*pGC*/,
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254 | int /*nrectFill*/,
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255 | xRectangle * /*prectInit*/
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256 | #endif
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257 | );
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258 |
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259 | void (* PolyFillArc)(
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260 | #if NeedNestedPrototypes
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261 | DrawablePtr /*pDrawable*/,
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262 | GCPtr /*pGC*/,
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263 | int /*narcs*/,
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264 | xArc * /*parcs*/
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265 | #endif
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266 | );
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267 |
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268 | int (* PolyText8)(
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269 | #if NeedNestedPrototypes
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270 | DrawablePtr /*pDrawable*/,
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271 | GCPtr /*pGC*/,
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272 | int /*x*/,
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273 | int /*y*/,
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274 | int /*count*/,
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275 | char * /*chars*/
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276 | #endif
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277 | );
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278 |
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279 | int (* PolyText16)(
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280 | #if NeedNestedPrototypes
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281 | DrawablePtr /*pDrawable*/,
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282 | GCPtr /*pGC*/,
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283 | int /*x*/,
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284 | int /*y*/,
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285 | int /*count*/,
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286 | unsigned short * /*chars*/
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287 | #endif
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288 | );
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289 |
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290 | void (* ImageText8)(
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291 | #if NeedNestedPrototypes
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292 | DrawablePtr /*pDrawable*/,
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293 | GCPtr /*pGC*/,
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294 | int /*x*/,
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295 | int /*y*/,
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296 | int /*count*/,
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297 | char * /*chars*/
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298 | #endif
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299 | );
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300 |
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301 | void (* ImageText16)(
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302 | #if NeedNestedPrototypes
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303 | DrawablePtr /*pDrawable*/,
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304 | GCPtr /*pGC*/,
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305 | int /*x*/,
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306 | int /*y*/,
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307 | int /*count*/,
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308 | unsigned short * /*chars*/
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309 | #endif
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310 | );
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311 |
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312 | void (* ImageGlyphBlt)(
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313 | #if NeedNestedPrototypes
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314 | DrawablePtr /*pDrawable*/,
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315 | GCPtr /*pGC*/,
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316 | int /*x*/,
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317 | int /*y*/,
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318 | unsigned int /*nglyph*/,
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319 | CharInfoPtr * /*ppci*/,
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320 | pointer /*pglyphBase*/
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321 | #endif
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322 | );
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323 |
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324 | void (* PolyGlyphBlt)(
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325 | #if NeedNestedPrototypes
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326 | DrawablePtr /*pDrawable*/,
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327 | GCPtr /*pGC*/,
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328 | int /*x*/,
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329 | int /*y*/,
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330 | unsigned int /*nglyph*/,
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331 | CharInfoPtr * /*ppci*/,
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332 | pointer /*pglyphBase*/
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333 | #endif
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334 | );
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335 |
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336 | void (* PushPixels)(
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337 | #if NeedNestedPrototypes
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338 | GCPtr /*pGC*/,
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339 | PixmapPtr /*pBitMap*/,
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340 | DrawablePtr /*pDst*/,
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341 | int /*w*/,
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342 | int /*h*/,
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343 | int /*x*/,
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344 | int /*y*/
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345 | #endif
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346 | );
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347 |
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348 | #ifdef NEED_LINEHELPER
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349 | void (* LineHelper)();
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350 | #endif
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351 |
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352 | DevUnion devPrivate;
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353 | } GCOps;
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354 |
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355 | /* there is padding in the bit fields because the Sun compiler doesn't
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356 | * force alignment to 32-bit boundaries. losers.
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357 | */
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358 | typedef struct _GC {
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359 | ScreenPtr pScreen;
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360 | unsigned char depth;
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361 | unsigned char alu;
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362 | unsigned short lineWidth;
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363 | unsigned short dashOffset;
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364 | unsigned short numInDashList;
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365 | unsigned char *dash;
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366 | unsigned int lineStyle : 2;
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367 | unsigned int capStyle : 2;
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368 | unsigned int joinStyle : 2;
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369 | unsigned int fillStyle : 2;
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370 | unsigned int fillRule : 1;
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371 | unsigned int arcMode : 1;
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372 | unsigned int subWindowMode : 1;
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373 | unsigned int graphicsExposures : 1;
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374 | unsigned int clientClipType : 2; /* CT_<kind> */
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375 | unsigned int miTranslate:1; /* should mi things translate? */
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376 | unsigned int tileIsPixel:1; /* tile is solid pixel */
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377 | unsigned int fExpose:1; /* Call exposure handling */
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378 | unsigned int freeCompClip:1; /* Free composite clip */
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379 | unsigned int unused:14; /* see comment above */
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380 | unsigned long planemask;
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381 | unsigned long fgPixel;
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382 | unsigned long bgPixel;
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383 | /*
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384 | * alas -- both tile and stipple must be here as they
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385 | * are independently specifiable
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386 | */
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387 | PixUnion tile;
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388 | PixmapPtr stipple;
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389 | DDXPointRec patOrg; /* origin for (tile, stipple) */
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390 | struct _Font *font;
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391 | DDXPointRec clipOrg;
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392 | DDXPointRec lastWinOrg; /* position of window last validated */
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393 | pointer clientClip;
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394 | unsigned long stateChanges; /* masked with GC_<kind> */
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395 | unsigned long serialNumber;
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396 | GCFuncs *funcs;
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397 | GCOps *ops;
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398 | DevUnion *devPrivates;
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399 | /*
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400 | * The following were moved here from private storage to allow device-
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401 | * independent access to them from screen wrappers.
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402 | * --- 1997.11.03 Marc Aurele La France ([email protected])
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403 | */
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404 | PixmapPtr pRotatedPixmap; /* tile/stipple rotated for alignment */
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405 | RegionPtr pCompositeClip;
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406 | /* fExpose & freeCompClip defined above */
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407 | } GC;
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408 |
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409 | #endif /* GCSTRUCT_H */
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