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