1 | /*
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2 | rdesktop: A Remote Desktop Protocol client.
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3 | RDP order processing
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4 | Copyright (C) Matthew Chapman 1999-2007
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5 |
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6 | This program is free software; you can redistribute it and/or modify
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7 | it under the terms of the GNU General Public License as published by
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8 | the Free Software Foundation; either version 2 of the License, or
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9 | (at your option) any later version.
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10 |
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11 | This program is distributed in the hope that it will be useful,
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12 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 | GNU General Public License for more details.
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15 |
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16 | You should have received a copy of the GNU General Public License
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17 | along with this program; if not, write to the Free Software
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18 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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19 | */
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20 |
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21 | /*
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22 | * Oracle GPL Disclaimer: For the avoidance of doubt, except that if any license choice
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23 | * other than GPL or LGPL is available it will apply instead, Oracle elects to use only
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24 | * the General Public License version 2 (GPLv2) at this time for any software where
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25 | * a choice of GPL license versions is made available with the language indicating
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26 | * that GPLv2 or any later version may be used, or where a choice of which version
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27 | * of the GPL is applied is otherwise unspecified.
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28 | */
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29 |
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30 | #define RDP_ORDER_STANDARD 0x01
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31 | #define RDP_ORDER_SECONDARY 0x02
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32 | #define RDP_ORDER_BOUNDS 0x04
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33 | #define RDP_ORDER_CHANGE 0x08
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34 | #define RDP_ORDER_DELTA 0x10
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35 | #define RDP_ORDER_LASTBOUNDS 0x20
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36 | #define RDP_ORDER_SMALL 0x40
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37 | #define RDP_ORDER_TINY 0x80
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38 |
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39 | enum RDP_ORDER_TYPE
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40 | {
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41 | RDP_ORDER_DESTBLT = 0,
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42 | RDP_ORDER_PATBLT = 1,
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43 | RDP_ORDER_SCREENBLT = 2,
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44 | RDP_ORDER_LINE = 9,
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45 | RDP_ORDER_RECT = 10,
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46 | RDP_ORDER_DESKSAVE = 11,
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47 | RDP_ORDER_MEMBLT = 13,
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48 | RDP_ORDER_TRIBLT = 14,
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49 | RDP_ORDER_POLYGON = 20,
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50 | RDP_ORDER_POLYGON2 = 21,
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51 | RDP_ORDER_POLYLINE = 22,
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52 | RDP_ORDER_ELLIPSE = 25,
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53 | RDP_ORDER_ELLIPSE2 = 26,
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54 | RDP_ORDER_TEXT2 = 27
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55 | };
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56 |
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57 | enum RDP_SECONDARY_ORDER_TYPE
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58 | {
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59 | RDP_ORDER_RAW_BMPCACHE = 0,
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60 | RDP_ORDER_COLCACHE = 1,
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61 | RDP_ORDER_BMPCACHE = 2,
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62 | RDP_ORDER_FONTCACHE = 3,
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63 | RDP_ORDER_RAW_BMPCACHE2 = 4,
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64 | RDP_ORDER_BMPCACHE2 = 5,
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65 | RDP_ORDER_BRUSHCACHE = 7
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66 | };
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67 |
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68 | typedef struct _DESTBLT_ORDER
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69 | {
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70 | sint16 x;
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71 | sint16 y;
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72 | sint16 cx;
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73 | sint16 cy;
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74 | uint8 opcode;
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75 |
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76 | }
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77 | DESTBLT_ORDER;
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78 |
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79 | typedef struct _PATBLT_ORDER
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80 | {
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81 | sint16 x;
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82 | sint16 y;
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83 | sint16 cx;
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84 | sint16 cy;
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85 | uint8 opcode;
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86 | uint32 bgcolour;
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87 | uint32 fgcolour;
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88 | BRUSH brush;
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89 |
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90 | }
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91 | PATBLT_ORDER;
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92 |
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93 | typedef struct _SCREENBLT_ORDER
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94 | {
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95 | sint16 x;
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96 | sint16 y;
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97 | sint16 cx;
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98 | sint16 cy;
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99 | uint8 opcode;
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100 | sint16 srcx;
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101 | sint16 srcy;
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102 |
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103 | }
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104 | SCREENBLT_ORDER;
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105 |
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106 | typedef struct _LINE_ORDER
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107 | {
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108 | uint16 mixmode;
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109 | sint16 startx;
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110 | sint16 starty;
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111 | sint16 endx;
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112 | sint16 endy;
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113 | uint32 bgcolour;
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114 | uint8 opcode;
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115 | PEN pen;
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116 |
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117 | }
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118 | LINE_ORDER;
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119 |
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120 | typedef struct _RECT_ORDER
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121 | {
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122 | sint16 x;
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123 | sint16 y;
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124 | sint16 cx;
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125 | sint16 cy;
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126 | uint32 colour;
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127 |
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128 | }
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129 | RECT_ORDER;
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130 |
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131 | typedef struct _DESKSAVE_ORDER
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132 | {
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133 | uint32 offset;
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134 | sint16 left;
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135 | sint16 top;
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136 | sint16 right;
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137 | sint16 bottom;
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138 | uint8 action;
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139 |
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140 | }
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141 | DESKSAVE_ORDER;
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142 |
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143 | typedef struct _TRIBLT_ORDER
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144 | {
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145 | uint8 colour_table;
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146 | uint8 cache_id;
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147 | sint16 x;
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148 | sint16 y;
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149 | sint16 cx;
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150 | sint16 cy;
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151 | uint8 opcode;
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152 | sint16 srcx;
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153 | sint16 srcy;
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154 | uint32 bgcolour;
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155 | uint32 fgcolour;
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156 | BRUSH brush;
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157 | uint16 cache_idx;
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158 | uint16 unknown;
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159 |
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160 | }
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161 | TRIBLT_ORDER;
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162 |
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163 | typedef struct _MEMBLT_ORDER
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164 | {
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165 | uint8 colour_table;
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166 | uint8 cache_id;
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167 | sint16 x;
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168 | sint16 y;
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169 | sint16 cx;
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170 | sint16 cy;
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171 | uint8 opcode;
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172 | sint16 srcx;
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173 | sint16 srcy;
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174 | uint16 cache_idx;
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175 |
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176 | }
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177 | MEMBLT_ORDER;
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178 |
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179 | #define MAX_DATA 256
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180 |
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181 | typedef struct _POLYGON_ORDER
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182 | {
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183 | sint16 x;
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184 | sint16 y;
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185 | uint8 opcode;
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186 | uint8 fillmode;
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187 | uint32 fgcolour;
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188 | uint8 npoints;
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189 | uint8 datasize;
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190 | uint8 data[MAX_DATA];
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191 |
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192 | }
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193 | POLYGON_ORDER;
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194 |
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195 | typedef struct _POLYGON2_ORDER
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196 | {
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197 | sint16 x;
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198 | sint16 y;
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199 | uint8 opcode;
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200 | uint8 fillmode;
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201 | uint32 bgcolour;
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202 | uint32 fgcolour;
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203 | BRUSH brush;
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204 | uint8 npoints;
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205 | uint8 datasize;
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206 | uint8 data[MAX_DATA];
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207 |
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208 | }
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209 | POLYGON2_ORDER;
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210 |
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211 | typedef struct _POLYLINE_ORDER
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212 | {
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213 | sint16 x;
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214 | sint16 y;
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215 | uint8 opcode;
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216 | uint32 fgcolour;
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217 | uint8 lines;
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218 | uint8 datasize;
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219 | uint8 data[MAX_DATA];
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220 |
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221 | }
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222 | POLYLINE_ORDER;
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223 |
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224 | typedef struct _ELLIPSE_ORDER
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225 | {
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226 | sint16 left;
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227 | sint16 top;
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228 | sint16 right;
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229 | sint16 bottom;
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230 | uint8 opcode;
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231 | uint8 fillmode;
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232 | uint32 fgcolour;
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233 |
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234 | }
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235 | ELLIPSE_ORDER;
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236 |
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237 | typedef struct _ELLIPSE2_ORDER
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238 | {
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239 | sint16 left;
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240 | sint16 top;
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241 | sint16 right;
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242 | sint16 bottom;
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243 | uint8 opcode;
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244 | uint8 fillmode;
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245 | BRUSH brush;
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246 | uint32 bgcolour;
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247 | uint32 fgcolour;
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248 |
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249 | }
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250 | ELLIPSE2_ORDER;
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251 |
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252 | #define MAX_TEXT 256
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253 |
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254 | typedef struct _TEXT2_ORDER
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255 | {
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256 | uint8 font;
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257 | uint8 flags;
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258 | uint8 opcode;
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259 | uint8 mixmode;
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260 | uint32 bgcolour;
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261 | uint32 fgcolour;
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262 | sint16 clipleft;
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263 | sint16 cliptop;
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264 | sint16 clipright;
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265 | sint16 clipbottom;
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266 | sint16 boxleft;
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267 | sint16 boxtop;
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268 | sint16 boxright;
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269 | sint16 boxbottom;
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270 | BRUSH brush;
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271 | sint16 x;
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272 | sint16 y;
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273 | uint8 length;
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274 | uint8 text[MAX_TEXT];
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275 |
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276 | }
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277 | TEXT2_ORDER;
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278 |
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279 | typedef struct _RDP_ORDER_STATE
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280 | {
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281 | uint8 order_type;
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282 | BOUNDS bounds;
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283 |
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284 | DESTBLT_ORDER destblt;
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285 | PATBLT_ORDER patblt;
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286 | SCREENBLT_ORDER screenblt;
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287 | LINE_ORDER line;
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288 | RECT_ORDER rect;
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289 | DESKSAVE_ORDER desksave;
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290 | MEMBLT_ORDER memblt;
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291 | TRIBLT_ORDER triblt;
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292 | POLYGON_ORDER polygon;
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293 | POLYGON2_ORDER polygon2;
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294 | POLYLINE_ORDER polyline;
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295 | ELLIPSE_ORDER ellipse;
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296 | ELLIPSE2_ORDER ellipse2;
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297 | TEXT2_ORDER text2;
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298 |
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299 | }
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300 | RDP_ORDER_STATE;
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301 |
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302 | typedef struct _RDP_RAW_BMPCACHE_ORDER
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303 | {
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304 | uint8 cache_id;
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305 | uint8 pad1;
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306 | uint8 width;
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307 | uint8 height;
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308 | uint8 bpp;
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309 | uint16 bufsize;
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310 | uint16 cache_idx;
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311 | uint8 *data;
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312 |
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313 | }
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314 | RDP_RAW_BMPCACHE_ORDER;
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315 |
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316 | typedef struct _RDP_BMPCACHE_ORDER
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317 | {
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318 | uint8 cache_id;
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319 | uint8 pad1;
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320 | uint8 width;
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321 | uint8 height;
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322 | uint8 bpp;
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323 | uint16 bufsize;
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324 | uint16 cache_idx;
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325 | uint16 pad2;
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326 | uint16 size;
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327 | uint16 row_size;
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328 | uint16 final_size;
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329 | uint8 *data;
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330 |
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331 | }
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332 | RDP_BMPCACHE_ORDER;
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333 |
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334 | /* RDP_BMPCACHE2_ORDER */
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335 | #define ID_MASK 0x0007
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336 | #define MODE_MASK 0x0038
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337 | #define SQUARE 0x0080
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338 | #define PERSIST 0x0100
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339 | #define FLAG_51_UNKNOWN 0x0800
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340 |
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341 | #define MODE_SHIFT 3
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342 |
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343 | #define LONG_FORMAT 0x80
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344 | #define BUFSIZE_MASK 0x3FFF /* or 0x1FFF? */
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345 |
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346 | #define MAX_GLYPH 32
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347 |
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348 | typedef struct _RDP_FONT_GLYPH
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349 | {
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350 | uint16 character;
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351 | uint16 unknown;
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352 | uint16 baseline;
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353 | uint16 width;
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354 | uint16 height;
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355 | uint8 data[MAX_GLYPH];
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356 |
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357 | }
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358 | RDP_FONT_GLYPH;
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359 |
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360 | #define MAX_GLYPHS 256
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361 |
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362 | typedef struct _RDP_FONTCACHE_ORDER
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363 | {
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364 | uint8 font;
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365 | uint8 nglyphs;
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366 | RDP_FONT_GLYPH glyphs[MAX_GLYPHS];
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367 |
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368 | }
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369 | RDP_FONTCACHE_ORDER;
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370 |
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371 | typedef struct _RDP_COLCACHE_ORDER
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372 | {
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373 | uint8 cache_id;
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374 | COLOURMAP map;
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375 |
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376 | }
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377 | RDP_COLCACHE_ORDER;
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