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428
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1 /* This file contains compatibility routines for systems without Xmu.
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2 * You would be better served by installing Xmu on your machine or
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3 * yelling at your vendor to ship it.
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4 */
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5
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6 /* XEmacs changes: rindex -> strrchr */
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7
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8 /* Synched up with: Not in FSF. */
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9
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10 #include <config.h>
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11
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12 #ifndef HAVE_XMU
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13 /*
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14 * Copyright 1989 Massachusetts Institute of Technology
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15 *
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16 * Permission to use, copy, modify, and distribute this software and its
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17 * documentation for any purpose and without fee is hereby granted, provided
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18 * that the above copyright notice appear in all copies and that both that
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19 * copyright notice and this permission notice appear in supporting
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20 * documentation, and that the name of M.I.T. not be used in advertising
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21 * or publicity pertaining to distribution of the software without specific,
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22 * written prior permission. M.I.T. makes no representations about the
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23 * suitability of this software for any purpose. It is provided "as is"
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24 * without express or implied warranty.
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25 *
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26 * M.I.T. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
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27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL M.I.T.
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28 * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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29 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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30 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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31 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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32 */
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33 #include <X11/cursorfont.h>
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34 #include <X11/Xlib.h>
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35 #include <X11/Xutil.h>
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36 #include <X11/Intrinsic.h>
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37
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38 /* for XmuCopyISOLatin1Lowered */
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39 #define XK_LATIN1
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40 #include <X11/keysymdef.h>
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41 #undef XK_LATIN1
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42
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43 #if (XtSpecificationRelease >= 5)
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44 /*
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45 * Don't know why, but this works with X11R5, not X11R4.
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46 * Anyway, _XExtension is defined in Xlib.h in X11R4, so we do not need
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47 * Xlibint in that case...
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48 */
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49 #include <X11/Xlibint.h>
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50 #endif
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51 #include <X11/Xproto.h>
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52 #include <stdio.h>
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53 #include <ctype.h>
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54
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55
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56 int XmuCursorNameToIndex (CONST char *name)
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57 {
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58 static CONST struct _CursorName {
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59 CONST char *name;
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60 unsigned int shape;
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61 } cursor_names[] = {
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62 {"x_cursor", XC_X_cursor},
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63 {"arrow", XC_arrow},
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64 {"based_arrow_down", XC_based_arrow_down},
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65 {"based_arrow_up", XC_based_arrow_up},
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66 {"boat", XC_boat},
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67 {"bogosity", XC_bogosity},
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68 {"bottom_left_corner", XC_bottom_left_corner},
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69 {"bottom_right_corner", XC_bottom_right_corner},
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70 {"bottom_side", XC_bottom_side},
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71 {"bottom_tee", XC_bottom_tee},
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72 {"box_spiral", XC_box_spiral},
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73 {"center_ptr", XC_center_ptr},
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74 {"circle", XC_circle},
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75 {"clock", XC_clock},
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76 {"coffee_mug", XC_coffee_mug},
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77 {"cross", XC_cross},
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78 {"cross_reverse", XC_cross_reverse},
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79 {"crosshair", XC_crosshair},
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80 {"diamond_cross", XC_diamond_cross},
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81 {"dot", XC_dot},
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82 {"dotbox", XC_dotbox},
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83 {"double_arrow", XC_double_arrow},
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84 {"draft_large", XC_draft_large},
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85 {"draft_small", XC_draft_small},
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86 {"draped_box", XC_draped_box},
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87 {"exchange", XC_exchange},
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88 {"fleur", XC_fleur},
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89 {"gobbler", XC_gobbler},
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90 {"gumby", XC_gumby},
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91 {"hand1", XC_hand1},
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92 {"hand2", XC_hand2},
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93 {"heart", XC_heart},
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94 {"icon", XC_icon},
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95 {"iron_cross", XC_iron_cross},
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96 {"left_ptr", XC_left_ptr},
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97 {"left_side", XC_left_side},
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98 {"left_tee", XC_left_tee},
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99 {"leftbutton", XC_leftbutton},
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100 {"ll_angle", XC_ll_angle},
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101 {"lr_angle", XC_lr_angle},
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102 {"man", XC_man},
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103 {"middlebutton", XC_middlebutton},
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104 {"mouse", XC_mouse},
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105 {"pencil", XC_pencil},
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106 {"pirate", XC_pirate},
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107 {"plus", XC_plus},
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108 {"question_arrow", XC_question_arrow},
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109 {"right_ptr", XC_right_ptr},
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110 {"right_side", XC_right_side},
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111 {"right_tee", XC_right_tee},
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112 {"rightbutton", XC_rightbutton},
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113 {"rtl_logo", XC_rtl_logo},
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114 {"sailboat", XC_sailboat},
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115 {"sb_down_arrow", XC_sb_down_arrow},
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116 {"sb_h_double_arrow", XC_sb_h_double_arrow},
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117 {"sb_left_arrow", XC_sb_left_arrow},
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118 {"sb_right_arrow", XC_sb_right_arrow},
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119 {"sb_up_arrow", XC_sb_up_arrow},
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120 {"sb_v_double_arrow", XC_sb_v_double_arrow},
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121 {"shuttle", XC_shuttle},
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122 {"sizing", XC_sizing},
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123 {"spider", XC_spider},
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124 {"spraycan", XC_spraycan},
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125 {"star", XC_star},
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126 {"target", XC_target},
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127 {"tcross", XC_tcross},
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128 {"top_left_arrow", XC_top_left_arrow},
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129 {"top_left_corner", XC_top_left_corner},
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130 {"top_right_corner", XC_top_right_corner},
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131 {"top_side", XC_top_side},
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132 {"top_tee", XC_top_tee},
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133 {"trek", XC_trek},
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134 {"ul_angle", XC_ul_angle},
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135 {"umbrella", XC_umbrella},
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136 {"ur_angle", XC_ur_angle},
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137 {"watch", XC_watch},
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138 {"xterm", XC_xterm},
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139 };
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140 CONST struct _CursorName *table;
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141 int i;
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142 char tmp[40];
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143
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144 if (strlen (name) >= sizeof tmp) return -1;
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145 for (i=0; i<strlen(name); i++)
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146 if (isupper((unsigned char) name[i]))
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147 tmp[i] = tolower((unsigned char) name[i]);
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148 else
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149 tmp[i] = name[i];
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150 tmp[i] = 0;
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151
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152 for (i=0, table=cursor_names; i < XtNumber(cursor_names); i++, table++ ) {
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153 if (strcmp(tmp, table->name) == 0) return table->shape;
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154 }
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155
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156 return -1;
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157 }
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158
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159
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160 /*
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161 * Based on an optimized version provided by Jim Becker, August 5, 1988.
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162 */
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163
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164
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165 #define MAX_SIZE 255
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166
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167 /* shared data for the image read/parse logic */
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168 static short hexTable[256]; /* conversion value */
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169 static int hex_initialized; /* easier to fill in at run time */
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170
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171
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172 /*
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173 * Table index for the hex values. Initialized once, first time.
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174 * Used for translation value or delimiter significance lookup.
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175 */
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176 static void initHexTable (void)
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177 {
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178 /*
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179 * We build the table at run time for several reasons:
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180 *
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181 * 1. portable to non-ASCII machines.
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182 * 2. still reentrant since we set the init flag after setting table.
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183 * 3. easier to extend.
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184 * 4. less prone to bugs.
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185 */
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186 hexTable['0'] = 0; hexTable['1'] = 1;
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187 hexTable['2'] = 2; hexTable['3'] = 3;
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188 hexTable['4'] = 4; hexTable['5'] = 5;
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189 hexTable['6'] = 6; hexTable['7'] = 7;
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190 hexTable['8'] = 8; hexTable['9'] = 9;
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191 hexTable['A'] = 10; hexTable['B'] = 11;
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192 hexTable['C'] = 12; hexTable['D'] = 13;
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193 hexTable['E'] = 14; hexTable['F'] = 15;
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194 hexTable['a'] = 10; hexTable['b'] = 11;
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195 hexTable['c'] = 12; hexTable['d'] = 13;
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196 hexTable['e'] = 14; hexTable['f'] = 15;
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197
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198 /* delimiters of significance are flagged w/ negative value */
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199 hexTable[' '] = -1; hexTable[','] = -1;
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200 hexTable['}'] = -1; hexTable['\n'] = -1;
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201 hexTable['\t'] = -1;
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202
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203 hex_initialized = 1;
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204 }
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205
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206 /*
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207 * read next hex value in the input stream, return -1 if EOF
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208 */
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209 static int NextInt (FILE *fstream)
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210 {
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211 int ch;
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212 int value = 0;
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213 int gotone = 0;
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214 int done = 0;
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215
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216 /* loop, accumulate hex value until find delimiter */
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217 /* skip any initial delimiters found in read stream */
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218
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219 while (!done) {
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220 ch = getc(fstream);
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221 if (ch == EOF) {
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222 value = -1;
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223 done++;
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224 } else {
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225 /* trim high bits, check type and accumulate */
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226 ch &= 0xff;
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227 if (isascii(ch) && isxdigit(ch)) {
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228 value = (value << 4) + hexTable[ch];
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229 gotone++;
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230 } else if ((hexTable[ch]) < 0 && gotone)
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231 done++;
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232 }
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233 }
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234 return value;
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235 }
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236
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237
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238 /*
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239 * The data returned by the following routine is always in left-most byte
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240 * first and left-most bit first. If it doesn't return BitmapSuccess then
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241 * its arguments won't have been touched. This routine should look as much
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242 * like the Xlib routine XReadBitmapfile as possible.
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243 */
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244 int XmuReadBitmapData (
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245 FILE *fstream, /* handle on file */
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246 unsigned int *width, /* RETURNED */
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247 unsigned int *height, /* RETURNED */
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248 unsigned char **datap, /* RETURNED */
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249 int *x_hot, int *y_hot) /* RETURNED */
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250 {
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251 unsigned char *data = NULL; /* working variable */
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252 char line[MAX_SIZE]; /* input line from file */
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253 int size; /* number of bytes of data */
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254 char name_and_type[MAX_SIZE]; /* an input line */
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255 char *type; /* for parsing */
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256 int value; /* from an input line */
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257 int version10p; /* boolean, old format */
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258 int padding; /* to handle alignment */
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259 int bytes_per_line; /* per scanline of data */
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260 unsigned int ww = 0; /* width */
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261 unsigned int hh = 0; /* height */
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262 int hx = -1; /* x hotspot */
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263 int hy = -1; /* y hotspot */
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264
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265 #ifndef Xmalloc
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266 #define Xmalloc(size) malloc(size)
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267 #endif
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268
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269 /* first time initialization */
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270 if (!hex_initialized) initHexTable();
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271
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272 /* error cleanup and return macro */
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273 #define RETURN(code) { if (data) free (data); return code; }
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274
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275 while (fgets(line, MAX_SIZE, fstream)) {
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276 if (strlen(line) == MAX_SIZE-1) {
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277 RETURN (BitmapFileInvalid);
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278 }
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279 if (sscanf(line,"#define %s %d",name_and_type,&value) == 2) {
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280 if (!(type = strrchr(name_and_type, '_')))
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281 type = name_and_type;
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282 else
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283 type++;
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284
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285 if (!strcmp("width", type))
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286 ww = (unsigned int) value;
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287 if (!strcmp("height", type))
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288 hh = (unsigned int) value;
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289 if (!strcmp("hot", type)) {
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290 if (type-- == name_and_type || type-- == name_and_type)
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291 continue;
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292 if (!strcmp("x_hot", type))
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293 hx = value;
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294 if (!strcmp("y_hot", type))
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295 hy = value;
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296 }
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297 continue;
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298 }
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299
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300 if (sscanf(line, "static short %s = {", name_and_type) == 1)
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301 version10p = 1;
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302 else if (sscanf(line,"static unsigned char %s = {",name_and_type) == 1)
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303 version10p = 0;
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304 else if (sscanf(line, "static char %s = {", name_and_type) == 1)
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305 version10p = 0;
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306 else
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307 continue;
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308
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309 if (!(type = strrchr(name_and_type, '_')))
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310 type = name_and_type;
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311 else
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312 type++;
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313
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314 if (strcmp("bits[]", type))
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315 continue;
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316
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317 if (!ww || !hh)
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318 RETURN (BitmapFileInvalid);
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319
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320 if ((ww % 16) && ((ww % 16) < 9) && version10p)
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321 padding = 1;
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322 else
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323 padding = 0;
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324
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325 bytes_per_line = (ww+7)/8 + padding;
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326
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327 size = bytes_per_line * hh;
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328 data = (unsigned char *) Xmalloc ((unsigned int) size);
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329 if (!data)
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330 RETURN (BitmapNoMemory);
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331
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332 if (version10p) {
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333 unsigned char *ptr;
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334 int bytes;
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335
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336 for (bytes=0, ptr=data; bytes<size; (bytes += 2)) {
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337 if ((value = NextInt(fstream)) < 0)
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338 RETURN (BitmapFileInvalid);
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339 *(ptr++) = value;
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340 if (!padding || ((bytes+2) % bytes_per_line))
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341 *(ptr++) = value >> 8;
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342 }
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343 } else {
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344 unsigned char *ptr;
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345 int bytes;
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346
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347 for (bytes=0, ptr=data; bytes<size; bytes++, ptr++) {
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348 if ((value = NextInt(fstream)) < 0)
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349 RETURN (BitmapFileInvalid);
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350 *ptr=value;
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351 }
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352 }
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353 break;
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354 } /* end while */
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355
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356 if (data == NULL) {
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357 RETURN (BitmapFileInvalid);
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358 }
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359
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360 *datap = data;
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361 data = NULL;
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362 *width = ww;
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363 *height = hh;
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364 if (x_hot) *x_hot = hx;
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365 if (y_hot) *y_hot = hy;
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366
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367 RETURN (BitmapSuccess);
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368 }
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369
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370
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371 int XmuReadBitmapDataFromFile (CONST char *filename,
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372 /* Remaining args are RETURNED */
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373 unsigned int *width,
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374 unsigned int *height,
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375 unsigned char **datap,
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376 int *x_hot, int *y_hot)
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377 {
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378 FILE *fstream;
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379 int status;
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380
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381 if ((fstream = fopen (filename, "r")) == NULL) {
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382 return BitmapOpenFailed;
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383 }
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384 status = XmuReadBitmapData (fstream, width, height, datap, x_hot, y_hot);
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385 fclose (fstream);
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386 return status;
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387 }
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388
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389 /*
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390 * XmuPrintDefaultErrorMessage - print a nice error that looks like the usual
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391 * message. Return 1 if the caller should consider exiting, else 0.
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392 */
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393 int XmuPrintDefaultErrorMessage (Display *dpy, XErrorEvent *event, FILE *fp)
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394 {
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395 char buffer[BUFSIZ];
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396 char mesg[BUFSIZ];
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397 char number[32];
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398 char *mtype = "XlibMessage";
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399 _XExtension *ext = (_XExtension *)NULL;
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400 XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
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401 XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
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402 fprintf(fp, "%s: %s\n ", mesg, buffer);
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403 XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d",
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404 mesg, BUFSIZ);
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|
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405 fprintf(fp, mesg, event->request_code);
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406 if (event->request_code < 128) {
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407 sprintf(number, "%d", event->request_code);
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408 XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
|
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409 } else {
|
|
|
410 /* XXX this is non-portable */
|
|
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411 for (ext = dpy->ext_procs;
|
|
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412 ext && (ext->codes.major_opcode != event->request_code);
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413 ext = ext->next)
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414 ;
|
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|
415 if (ext)
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416 strcpy(buffer, ext->name);
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417 else
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418 buffer[0] = '\0';
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|
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419 }
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|
|
420 fprintf(fp, " (%s)", buffer);
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|
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421 fputs("\n ", fp);
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422 #if (XtSpecificationRelease >= 5)
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423 if (event->request_code >= 128) {
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424 XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
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425 mesg, BUFSIZ);
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426 fprintf(fp, mesg, event->minor_code);
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|
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427 if (ext) {
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428 sprintf(mesg, "%s.%d", ext->name, event->minor_code);
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429 XGetErrorDatabaseText(dpy, "XRequest", mesg, "", buffer, BUFSIZ);
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430 fprintf(fp, " (%s)", buffer);
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431 }
|
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432 fputs("\n ", fp);
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433 }
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|
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434 if (event->error_code >= 128) {
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|
435 /* let extensions try to print the values */
|
|
|
436 /* XXX this is non-portable code */
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437 for (ext = dpy->ext_procs; ext; ext = ext->next) {
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|
|
438 if (ext->error_values)
|
|
|
439 (*ext->error_values)(dpy, event, fp);
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|
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440 }
|
|
|
441 /* the rest is a fallback, providing a simple default */
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|
|
442 /* kludge, try to find the extension that caused it */
|
|
|
443 buffer[0] = '\0';
|
|
|
444 for (ext = dpy->ext_procs; ext; ext = ext->next) {
|
|
|
445 if (ext->error_string)
|
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446 (*ext->error_string)(dpy, event->error_code, &ext->codes,
|
|
|
447 buffer, BUFSIZ);
|
|
|
448 if (buffer[0])
|
|
|
449 break;
|
|
|
450 }
|
|
|
451 if (buffer[0])
|
|
|
452 sprintf(buffer, "%s.%d", ext->name,
|
|
|
453 event->error_code - ext->codes.first_error);
|
|
|
454 else
|
|
|
455 strcpy(buffer, "Value");
|
|
|
456 XGetErrorDatabaseText(dpy, mtype, buffer, "", mesg, BUFSIZ);
|
|
|
457 if (*mesg) {
|
|
|
458 fprintf(fp, mesg, event->resourceid);
|
|
|
459 fputs("\n ", fp);
|
|
|
460 }
|
|
|
461 } else if ((event->error_code == BadWindow) ||
|
|
|
462 (event->error_code == BadPixmap) ||
|
|
|
463 (event->error_code == BadCursor) ||
|
|
|
464 (event->error_code == BadFont) ||
|
|
|
465 (event->error_code == BadDrawable) ||
|
|
|
466 (event->error_code == BadColor) ||
|
|
|
467 (event->error_code == BadGC) ||
|
|
|
468 (event->error_code == BadIDChoice) ||
|
|
|
469 (event->error_code == BadValue) ||
|
|
|
470 (event->error_code == BadAtom)) {
|
|
|
471 if (event->error_code == BadValue)
|
|
|
472 XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
|
|
|
473 mesg, BUFSIZ);
|
|
|
474 else if (event->error_code == BadAtom)
|
|
|
475 XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
|
|
|
476 mesg, BUFSIZ);
|
|
|
477 else
|
|
|
478 XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
|
|
|
479 mesg, BUFSIZ);
|
|
|
480 fprintf(fp, mesg, event->resourceid);
|
|
|
481 fputs("\n ", fp);
|
|
|
482 }
|
|
|
483 #elif (XtSpecificationRelease == 4)
|
|
|
484 XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
|
|
|
485 mesg, BUFSIZ);
|
|
|
486 fprintf(fp, mesg, event->minor_code);
|
|
|
487 fputs("\n ", fp);
|
|
|
488 if (ext) {
|
|
|
489 sprintf(mesg, "%s.%d", ext->name, event->minor_code);
|
|
|
490 XGetErrorDatabaseText(dpy, "XRequest", mesg, "", buffer, BUFSIZ);
|
|
|
491 fprintf(fp, " (%s)", buffer);
|
|
|
492 }
|
|
|
493 XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
|
|
|
494 mesg, BUFSIZ);
|
|
|
495 fprintf(fp, mesg, event->resourceid);
|
|
|
496 fputs("\n ", fp);
|
|
|
497 #else
|
|
|
498 ERROR! Unsupported release of X11
|
|
|
499 #endif
|
|
|
500 XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
|
|
|
501 mesg, BUFSIZ);
|
|
|
502 fprintf(fp, mesg, event->serial);
|
|
|
503 fputs("\n ", fp);
|
|
|
504 XGetErrorDatabaseText(dpy, mtype, "CurrentSerial", "Current Serial #%d",
|
|
|
505 mesg, BUFSIZ);
|
|
|
506 fprintf(fp, mesg, NextRequest(dpy)-1);
|
|
|
507 fputs("\n", fp);
|
|
|
508 if (event->error_code == BadImplementation) return 0;
|
|
|
509 return 1;
|
|
|
510 }
|
|
|
511
|
|
|
512
|
|
|
513 /*
|
|
|
514 * XmuSimpleErrorHandler - ignore errors for XQueryTree, XGetWindowAttributes,
|
|
|
515 * and XGetGeometry; print a message for everything else. In all case, do
|
|
|
516 * not exit.
|
|
|
517 */
|
|
|
518 int XmuSimpleErrorHandler (Display *dpy, XErrorEvent *errorp)
|
|
|
519 {
|
|
|
520 switch (errorp->request_code) {
|
|
|
521 case X_QueryTree:
|
|
|
522 case X_GetWindowAttributes:
|
|
|
523 if (errorp->error_code == BadWindow) return 0;
|
|
|
524 break;
|
|
|
525 case X_GetGeometry:
|
|
|
526 if (errorp->error_code == BadDrawable) return 0;
|
|
|
527 break;
|
|
|
528 }
|
|
|
529 /* got a "real" X error */
|
|
|
530 return XmuPrintDefaultErrorMessage (dpy, errorp, stderr);
|
|
|
531 }
|
|
|
532
|
|
|
533 void XmuCopyISOLatin1Lowered(char *dst, CONST char *src)
|
|
|
534 {
|
|
|
535 unsigned char *dest = (unsigned char *) dst;
|
|
|
536 unsigned char *source = (unsigned char *) src;
|
|
|
537
|
|
|
538 for ( ; *source; source++, dest++)
|
|
|
539 {
|
|
|
540 if ((*source >= XK_A) && (*source <= XK_Z))
|
|
|
541 *dest = *source + (XK_a - XK_A);
|
|
|
542 else if ((*source >= XK_Agrave) && (*source <= XK_Odiaeresis))
|
|
|
543 *dest = *source + (XK_agrave - XK_Agrave);
|
|
|
544 else if ((*source >= XK_Ooblique) && (*source <= XK_Thorn))
|
|
|
545 *dest = *source + (XK_oslash - XK_Ooblique);
|
|
|
546 else
|
|
|
547 *dest = *source;
|
|
|
548 }
|
|
|
549 *dest = '\0';
|
|
|
550 }
|
|
|
551 #endif /* !HAVE_XMU */
|
