267
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1 /* mswindows-specific Lisp objects.
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2 Copyright (C) 1998 Free Software Foundation, Inc.
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3
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4 This file is part of XEmacs.
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5
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6 XEmacs is free software; you can redistribute it and/or modify it
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7 under the terms of the GNU General Public License as published by the
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8 Free Software Foundation; either version 2, or (at your option) any
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9 later version.
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10
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11 XEmacs is distributed in the hope that it will be useful, but WITHOUT
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12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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14 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 XEmacs; see the file COPYING. If not, write to
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18 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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19 Boston, MA 02111-1307, USA. */
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20
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21 /* Synched up with: Not in FSF. */
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22
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23 /* written by Andy Piper <andyp@parallax.co.uk> plagerising buts from
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24 glyphs-x.c */
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25
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26 #include <config.h>
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27 #include "lisp.h"
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28 #include "lstream.h"
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29 #include "console-msw.h"
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30 #include "glyphs-msw.h"
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31 #include "objects-msw.h"
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32
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33 #include "buffer.h"
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34 #include "frame.h"
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35 #include "insdel.h"
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36 #include "opaque.h"
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37 #include "sysfile.h"
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38 #include "faces.h"
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39 #include "imgproc.h"
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40
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41 #ifdef HAVE_XPM
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42 #include <X11/xpm.h>
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43 #endif
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44
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45 #ifdef FILE_CODING
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46 #include "file-coding.h"
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47 #endif
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48
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49 DEFINE_IMAGE_INSTANTIATOR_FORMAT (bmp);
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50 Lisp_Object Qbmp;
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51 Lisp_Object Vmswindows_bitmap_file_path;
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52
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53 static void
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54 mswindows_initialize_dibitmap_image_instance (struct Lisp_Image_Instance *ii,
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55 enum image_instance_type type);
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56
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57 COLORREF mswindows_string_to_color(CONST char *name);
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58
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59 /************************************************************************/
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60 /* convert from a series of RGB triples to a BITMAPINFO formated for the*/
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61 /* proper display */
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62 /************************************************************************/
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63 BITMAPINFO* EImage2DIBitmap(Lisp_Object device, int width, int height,
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64 unsigned char *pic,
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65 int *bit_count,
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66 unsigned char** bmp_data)
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67 {
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68 struct device *d = XDEVICE (device);
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69 int i;
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70 RGBQUAD* colortbl;
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71 int ncolors;
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72 BITMAPINFO* bmp_info;
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73
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74 if (DEVICE_MSWINDOWS_BITSPIXEL(d) > 16)
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75 {
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76 /* FIXME: we can do this because 24bpp implies no colour table, once
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77 * we start paletizing this is no longer true. The X versions of
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78 * this function quantises to 256 colours or bit masks down to a
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79 * long. Windows can actually handle rgb triples in the raw so I
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80 * don't see much point trying to optimise down to the best
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81 * structure - unless it has memory / color allocation implications
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82 * .... */
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83 bmp_info=xnew_and_zero(BITMAPINFO);
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84
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85 if (!bmp_info)
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86 {
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87 return NULL;
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88 }
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89
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90 bmp_info->bmiHeader.biBitCount=24; /* just RGB triples for now */
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91 bmp_info->bmiHeader.biCompression=BI_RGB; /* just RGB triples for now */
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92 bmp_info->bmiHeader.biSizeImage=width*height*3;
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93
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94 /* bitmap data needs to be in blue, green, red triples - in that
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95 order, eimage is in RGB format so we need to convert */
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96 *bmp_data = xnew_array_and_zero (unsigned char, width * height * 3);
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97 *bit_count = width * height * 3;
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98
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99 if (!bmp_data)
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100 {
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101 xfree(bmp_info);
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102 return NULL;
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103 }
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104 for (i=0; i<width*height; i++)
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105 {
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106 (*bmp_data)[2]=*pic;
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107 (*bmp_data)[1]= pic[1];
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108 **bmp_data = pic[2];
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109 (*bmp_data) += 3;
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110 }
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111 }
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112 else /* scale to 256 colors */
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113 {
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114 int rd,gr,bl, j;
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115 unsigned char *ip, *dp;
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116 quant_table *qtable;
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117 int bpline= (int)(~3UL & (unsigned long)(width +3));
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118 /* Quantize the image and get a histogram while we're at it.
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119 Do this first to save memory */
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120 qtable = EImage_build_quantable(pic, width, height, 256);
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121 if (qtable == NULL) return NULL;
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122
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123 /* use our quantize table to allocate the colors */
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124 ncolors = qtable->num_active_colors;
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125 bmp_info=(BITMAPINFO*)xmalloc_and_zero(sizeof(BITMAPINFOHEADER) +
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126 sizeof(RGBQUAD) * ncolors);
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127 if (!bmp_info)
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128 {
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129 xfree(qtable);
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130 return NULL;
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131 }
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132
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133 colortbl=(RGBQUAD*)(((unsigned char*)bmp_info)+sizeof(BITMAPINFOHEADER));
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134
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135 bmp_info->bmiHeader.biBitCount=8;
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136 bmp_info->bmiHeader.biCompression=BI_RGB;
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137 bmp_info->bmiHeader.biSizeImage=bpline*height;
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138 bmp_info->bmiHeader.biClrUsed=ncolors;
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139 bmp_info->bmiHeader.biClrImportant=ncolors;
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140
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141 *bmp_data = (unsigned char *) xmalloc_and_zero (bpline * height);
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142 *bit_count = bpline * height;
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143
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144 if (!*bmp_data)
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145 {
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146 xfree(qtable);
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147 xfree(bmp_info);
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148 return NULL;
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149 }
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150
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151 /* build up an RGBQUAD colortable */
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152 for (i = 0; i < qtable->num_active_colors; i++) {
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153 colortbl[i].rgbRed = qtable->rm[i];
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154 colortbl[i].rgbGreen = qtable->gm[i];
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155 colortbl[i].rgbBlue = qtable->bm[i];
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156 colortbl[i].rgbReserved = 0;
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157 }
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158
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159 /* now build up the data. picture has to be upside-down and
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160 back-to-front for msw bitmaps */
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161 ip = pic;
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162 for (i = height-1; i >= 0; i--) {
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163 dp = (*bmp_data) + (i * bpline);
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164 for (j = 0; j < width; j++) {
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165 rd = *ip++;
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166 gr = *ip++;
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167 bl = *ip++;
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168 *dp++ = QUANT_GET_COLOR(qtable,rd,gr,bl);
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169 }
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170 }
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171 xfree(qtable);
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172 }
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173 /* fix up the standard stuff */
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174 bmp_info->bmiHeader.biWidth=width;
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175 bmp_info->bmiHeader.biHeight=height;
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176 bmp_info->bmiHeader.biPlanes=1;
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177 bmp_info->bmiHeader.biSize=sizeof(BITMAPINFOHEADER);
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178 bmp_info->bmiHeader.biXPelsPerMeter=3779; /* unless you know better */
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179 bmp_info->bmiHeader.biYPelsPerMeter=3779;
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180
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181 return bmp_info;
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182 }
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183
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184 /* Given a pixmap filename, look through all of the "standard" places
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185 where the file might be located. Return a full pathname if found;
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186 otherwise, return Qnil. */
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187
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188 static Lisp_Object
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189 locate_pixmap_file (Lisp_Object name)
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190 {
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191 /* This function can GC if IN_REDISPLAY is false */
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192
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193 /* Check non-absolute pathnames with a directory component relative to
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194 the search path; that's the way Xt does it. */
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195 /* #### Unix-specific */
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196 if (XSTRING_BYTE (name, 0) == '/' ||
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197 (XSTRING_BYTE (name, 0) == '.' &&
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198 (XSTRING_BYTE (name, 1) == '/' ||
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199 (XSTRING_BYTE (name, 1) == '.' &&
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200 (XSTRING_BYTE (name, 2) == '/')))))
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201 {
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202 if (!NILP (Ffile_readable_p (name)))
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203 return name;
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204 else
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205 return Qnil;
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206 }
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207
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208 if (!NILP(Vmswindows_bitmap_file_path))
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209 {
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210 Lisp_Object found;
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211 if (locate_file (Vmswindows_bitmap_file_path, name, "", &found, R_OK) < 0)
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212 {
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213 Lisp_Object temp = list1 (Vdata_directory);
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214 struct gcpro gcpro1;
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215
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216 GCPRO1 (temp);
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217 locate_file (temp, name, "", &found, R_OK);
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218 UNGCPRO;
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219 }
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220
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221 return found;
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222 }
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223 else
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224 return Qnil;
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225 }
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226
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227 /* If INSTANTIATOR refers to inline data, return Qnil.
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228 If INSTANTIATOR refers to data in a file, return the full filename
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229 if it exists; otherwise, return a cons of (filename).
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230
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231 FILE_KEYWORD and DATA_KEYWORD are symbols specifying the
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232 keywords used to look up the file and inline data,
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233 respectively, in the instantiator. Normally these would
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234 be Q_file and Q_data, but might be different for mask data. */
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235
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236 static Lisp_Object
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237 potential_pixmap_file_instantiator (Lisp_Object instantiator,
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238 Lisp_Object file_keyword,
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239 Lisp_Object data_keyword)
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240 {
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241 Lisp_Object file;
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242 Lisp_Object data;
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243
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244 assert (VECTORP (instantiator));
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245
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246 data = find_keyword_in_vector (instantiator, data_keyword);
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247 file = find_keyword_in_vector (instantiator, file_keyword);
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248
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249 if (!NILP (file) && NILP (data))
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250 {
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251 Lisp_Object retval = locate_pixmap_file (file);
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252 if (!NILP (retval))
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253 return retval;
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254 else
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255 return Fcons (file, Qnil); /* should have been file */
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256 }
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257
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258 return Qnil;
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259 }
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260
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261 static Lisp_Object
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262 simple_image_type_normalize (Lisp_Object inst, Lisp_Object console_type,
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263 Lisp_Object image_type_tag)
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264 {
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265 /* This function can call lisp */
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266 Lisp_Object file = Qnil;
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267 struct gcpro gcpro1, gcpro2;
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268 Lisp_Object alist = Qnil;
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269
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270 GCPRO2 (file, alist);
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271
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272 /* Now, convert any file data into inline data. At the end of this,
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273 `data' will contain the inline data (if any) or Qnil, and `file'
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274 will contain the name this data was derived from (if known) or
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275 Qnil.
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276
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277 Note that if we cannot generate any regular inline data, we
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278 skip out. */
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279
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280 file = potential_pixmap_file_instantiator (inst, Q_file, Q_data);
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281
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282 if (CONSP (file)) /* failure locating filename */
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283 signal_double_file_error ("Opening pixmap file",
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284 "no such file or directory",
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285 Fcar (file));
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286
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287 if (NILP (file)) /* no conversion necessary */
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288 RETURN_UNGCPRO (inst);
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289
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290 alist = tagged_vector_to_alist (inst);
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291
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292 {
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293 Lisp_Object data = make_string_from_file (file);
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294 alist = remassq_no_quit (Q_file, alist);
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295 /* there can't be a :data at this point. */
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296 alist = Fcons (Fcons (Q_file, file),
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297 Fcons (Fcons (Q_data, data), alist));
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298 }
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299
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300 {
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301 Lisp_Object result = alist_to_tagged_vector (image_type_tag, alist);
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302 free_alist (alist);
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303 RETURN_UNGCPRO (result);
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304 }
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305 }
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306
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307
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308 /* Initialize an image instance from a bitmap
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309
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310 DEST_MASK specifies the mask of allowed image types.
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311
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312 If this fails, signal an error. INSTANTIATOR is only used
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313 in the error message. */
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314
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315 static void
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316 init_image_instance_from_dibitmap (struct Lisp_Image_Instance *ii,
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317 BITMAPINFO *bmp_info,
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318 int dest_mask,
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319 void *bmp_data,
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320 int bmp_bits,
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321 Lisp_Object instantiator)
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322 {
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323 Lisp_Object device = IMAGE_INSTANCE_DEVICE (ii);
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324 struct device *d = XDEVICE (device);
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325 struct frame *f = XFRAME (DEVICE_SELECTED_FRAME(d));
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326 void* bmp_buf=0;
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327 HBITMAP bitmap;
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328 HDC hdc, cdc;
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329
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330 if (!DEVICE_MSWINDOWS_P (d))
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331 signal_simple_error ("Not an mswindows device", device);
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332
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333 if (NILP (DEVICE_SELECTED_FRAME (d)))
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334 signal_simple_error ("No selected frame on mswindows device", device);
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335
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336 if (!(dest_mask & IMAGE_COLOR_PIXMAP_MASK))
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337 incompatible_image_types (instantiator, dest_mask,
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338 IMAGE_COLOR_PIXMAP_MASK);
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339 hdc = FRAME_MSWINDOWS_DC (f);
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340
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341 bitmap=CreateDIBSection(hdc,
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342 bmp_info,
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343 DIB_RGB_COLORS,
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344 &bmp_buf,
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345 0,0);
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346
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347 if (!bitmap || !bmp_buf)
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348 signal_simple_error ("Unable to create bitmap", instantiator);
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349
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350 /* copy in the actual bitmap */
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351 memcpy(bmp_buf, bmp_data, bmp_bits);
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352
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353 /* create a memory dc */
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354 cdc = CreateCompatibleDC(hdc);
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355
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356 mswindows_initialize_dibitmap_image_instance (ii, IMAGE_COLOR_PIXMAP);
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357
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358 IMAGE_INSTANCE_PIXMAP_FILENAME (ii) =
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359 find_keyword_in_vector (instantiator, Q_file);
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360
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361 IMAGE_INSTANCE_MSWINDOWS_BITMAP (ii) = bitmap;
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362 IMAGE_INSTANCE_MSWINDOWS_DC (ii) = cdc;
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363 IMAGE_INSTANCE_PIXMAP_WIDTH (ii) = bmp_info->bmiHeader.biWidth;
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364 IMAGE_INSTANCE_PIXMAP_HEIGHT (ii) = bmp_info->bmiHeader.biHeight;
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365 IMAGE_INSTANCE_PIXMAP_DEPTH (ii) = bmp_info->bmiHeader.biBitCount;
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366 }
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367
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368 /**********************************************************************
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369 * XPM *
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370 **********************************************************************/
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371
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372 #ifdef HAVE_XPM
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373 static int xpm_to_eimage(Lisp_Object image, CONST Extbyte *buffer,
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374 unsigned char** data,
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375 int* width, int* height,
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376 COLORREF bg)
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377 {
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378 XpmImage xpmimage;
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379 XpmInfo xpminfo;
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380 int result, i;
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381 unsigned char* dptr;
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382 unsigned int* sptr;
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383 COLORREF color; /* the american spelling virus hits again .. */
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384 COLORREF* colortbl;
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385
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386 memset (&xpmimage, 0, sizeof (xpmimage));
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387 memset (&xpminfo, 0, sizeof (xpmimage));
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388
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389 result = XpmCreateXpmImageFromBuffer((char*)buffer,
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390 &xpmimage,
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391 &xpminfo);
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392 switch(result)
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393 {
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394 case XpmSuccess:
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395 break;
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396 case XpmFileInvalid:
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397 {
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398 signal_simple_error ("invalid XPM data", image);
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399 }
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400 case XpmNoMemory:
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401 {
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402 signal_double_file_error ("Parsing pixmap data",
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403 "out of memory", image);
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404 }
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405 default:
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406 {
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407 signal_double_file_error_2 ("Parsing pixmap data",
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408 "unknown error code",
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409 make_int (result), image);
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410 }
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411 }
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412
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413 *width = xpmimage.width;
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414 *height = xpmimage.height;
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415
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416 *data = xnew_array_and_zero (unsigned char, *width * *height * 3);
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417 if (!*data)
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418 {
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419 XpmFreeXpmImage(&xpmimage);
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420 XpmFreeXpmInfo(&xpminfo);
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421 return 0;
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422 }
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423
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424 /* build a color table to speed things up */
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425 colortbl = xnew_array_and_zero (COLORREF, xpmimage.ncolors);
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426 if (!colortbl)
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427 {
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428 xfree(*data);
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429 XpmFreeXpmImage(&xpmimage);
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430 XpmFreeXpmInfo(&xpminfo);
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431 return 0;
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432 }
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433
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434 for (i=0; i<xpmimage.ncolors; i++)
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435 {
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436 /* pick up transparencies */
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437 if (!strcmp(xpmimage.colorTable[i].c_color,"None"))
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438 {
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439 colortbl[i]=bg;
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440 }
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441 else
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442 {
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443 colortbl[i]=
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444 mswindows_string_to_color(xpmimage.colorTable[i].c_color);
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445 }
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446 }
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447
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448 /* convert the image */
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449 sptr=xpmimage.data;
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450 dptr=*data;
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451 for (i = 0; i< *width * *height; i++)
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452 {
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453 color = colortbl[*sptr++];
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454
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455 /* split out the 0x02bbggrr colorref into an rgb triple */
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456 *dptr++=GetRValue(color); /* red */
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457 *dptr++=GetGValue(color); /* green */
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458 *dptr++=GetBValue(color); /* blue */
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459 }
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460
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461 XpmFreeXpmImage(&xpmimage);
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462 XpmFreeXpmInfo(&xpminfo);
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463 xfree(colortbl);
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464 return TRUE;
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465 }
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466
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467 void
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468 mswindows_xpm_instantiate (Lisp_Object image_instance,
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469 Lisp_Object instantiator,
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470 Lisp_Object pointer_fg, Lisp_Object pointer_bg,
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471 int dest_mask, Lisp_Object domain)
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472 {
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473 struct Lisp_Image_Instance *ii = XIMAGE_INSTANCE (image_instance);
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474 Lisp_Object device = IMAGE_INSTANCE_DEVICE (ii);
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475 CONST Extbyte *bytes;
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476 Extcount len;
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477 unsigned char *eimage;
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478 int width, height;
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479 BITMAPINFO* bmp_info;
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|
480 unsigned char* bmp_data;
|
|
481 int bmp_bits;
|
|
482 COLORREF bkcolor;
|
|
483
|
|
484 Lisp_Object data = find_keyword_in_vector (instantiator, Q_data);
|
|
485
|
|
486 if (!DEVICE_MSWINDOWS_P (XDEVICE (device)))
|
|
487 signal_simple_error ("Not an mswindows device", device);
|
|
488
|
|
489 assert (!NILP (data));
|
|
490
|
|
491 GET_STRING_BINARY_DATA_ALLOCA (data, bytes, len);
|
|
492
|
|
493 /* this is a hack but MaskBlt and TransparentBlt are not supported
|
|
494 on most windows variants */
|
|
495 bkcolor = COLOR_INSTANCE_MSWINDOWS_COLOR
|
|
496 (XCOLOR_INSTANCE (FACE_BACKGROUND(Vdefault_face, domain)));
|
|
497
|
|
498 /* convert to an eimage to make processing easier */
|
|
499 if (!xpm_to_eimage(image_instance, bytes, &eimage, &width, &height,
|
|
500 bkcolor))
|
|
501 {
|
|
502 signal_simple_error ("XPM to EImage conversion failed",
|
|
503 image_instance);
|
|
504 }
|
|
505
|
|
506 /* build a bitmap from the eimage */
|
|
507 if (!(bmp_info=EImage2DIBitmap(device, width, height, eimage,
|
|
508 &bmp_bits, &bmp_data)))
|
|
509 {
|
|
510 signal_simple_error ("XPM to EImage conversion failed",
|
|
511 image_instance);
|
|
512 }
|
|
513 xfree(eimage);
|
|
514
|
|
515 /* Now create the pixmap and set up the image instance */
|
|
516 init_image_instance_from_dibitmap (ii, bmp_info, dest_mask,
|
|
517 bmp_data, bmp_bits, instantiator);
|
|
518
|
|
519 xfree(bmp_info);
|
|
520 xfree(bmp_data);
|
|
521 }
|
|
522 #endif /* HAVE_XPM */
|
|
523
|
|
524 /**********************************************************************
|
|
525 * BMP *
|
|
526 **********************************************************************/
|
|
527
|
|
528 static void
|
|
529 bmp_validate (Lisp_Object instantiator)
|
|
530 {
|
|
531 file_or_data_must_be_present (instantiator);
|
|
532 }
|
|
533
|
|
534 static Lisp_Object
|
|
535 bmp_normalize (Lisp_Object inst, Lisp_Object console_type)
|
|
536 {
|
|
537 return simple_image_type_normalize (inst, console_type, Qbmp);
|
|
538 }
|
|
539
|
|
540 static int
|
|
541 bmp_possible_dest_types (void)
|
|
542 {
|
|
543 return IMAGE_COLOR_PIXMAP_MASK;
|
|
544 }
|
|
545
|
|
546 static void
|
|
547 bmp_instantiate (Lisp_Object image_instance, Lisp_Object instantiator,
|
|
548 Lisp_Object pointer_fg, Lisp_Object pointer_bg,
|
|
549 int dest_mask, Lisp_Object domain)
|
|
550 {
|
|
551 struct Lisp_Image_Instance *ii = XIMAGE_INSTANCE (image_instance);
|
|
552 Lisp_Object device = IMAGE_INSTANCE_DEVICE (ii);
|
|
553 CONST Extbyte *bytes;
|
|
554 Extcount len;
|
|
555 BITMAPFILEHEADER* bmp_file_header;
|
|
556 BITMAPINFO* bmp_info;
|
|
557 void* bmp_data;
|
|
558 int bmp_bits;
|
|
559 Lisp_Object data = find_keyword_in_vector (instantiator, Q_data);
|
|
560
|
|
561 if (!DEVICE_MSWINDOWS_P (XDEVICE (device)))
|
|
562 signal_simple_error ("Not an mswindows device", device);
|
|
563
|
|
564 assert (!NILP (data));
|
|
565
|
|
566 GET_STRING_BINARY_DATA_ALLOCA (data, bytes, len);
|
|
567
|
|
568 /* Then slurp the image into memory, decoding along the way.
|
|
569 The result is the image in a simple one-byte-per-pixel
|
|
570 format. */
|
|
571
|
|
572 bmp_file_header=(BITMAPFILEHEADER*)bytes;
|
|
573 bmp_info = (BITMAPINFO*)(bytes + sizeof(BITMAPFILEHEADER));
|
|
574 bmp_data = (Extbyte*)bytes + bmp_file_header->bfOffBits;
|
|
575 bmp_bits = bmp_file_header->bfSize - bmp_file_header->bfOffBits;
|
|
576
|
|
577 /* Now create the pixmap and set up the image instance */
|
|
578 init_image_instance_from_dibitmap (ii, bmp_info, dest_mask,
|
|
579 bmp_data, bmp_bits, instantiator);
|
|
580 }
|
|
581
|
|
582
|
|
583 /************************************************************************/
|
|
584 /* image instance methods */
|
|
585 /************************************************************************/
|
|
586
|
|
587 static void
|
|
588 mswindows_print_image_instance (struct Lisp_Image_Instance *p,
|
|
589 Lisp_Object printcharfun,
|
|
590 int escapeflag)
|
|
591 {
|
|
592 char buf[100];
|
|
593
|
|
594 switch (IMAGE_INSTANCE_TYPE (p))
|
|
595 {
|
|
596 case IMAGE_MONO_PIXMAP:
|
|
597 case IMAGE_COLOR_PIXMAP:
|
|
598 case IMAGE_POINTER:
|
|
599 sprintf (buf, " (0x%lx",
|
|
600 (unsigned long) IMAGE_INSTANCE_MSWINDOWS_BITMAP (p));
|
|
601 write_c_string (buf, printcharfun);
|
|
602 if (IMAGE_INSTANCE_MSWINDOWS_MASK (p))
|
|
603 {
|
|
604 sprintf (buf, "/0x%lx",
|
|
605 (unsigned long) IMAGE_INSTANCE_MSWINDOWS_MASK (p));
|
|
606 write_c_string (buf, printcharfun);
|
|
607 }
|
|
608 write_c_string (")", printcharfun);
|
|
609 break;
|
|
610 default:
|
|
611 break;
|
|
612 }
|
|
613 }
|
|
614
|
|
615 static void
|
|
616 mswindows_finalize_image_instance (struct Lisp_Image_Instance *p)
|
|
617 {
|
|
618 if (!p->data)
|
|
619 return;
|
|
620
|
|
621 if (DEVICE_LIVE_P (XDEVICE (p->device)))
|
|
622 {
|
|
623 if (IMAGE_INSTANCE_MSWINDOWS_DC (p))
|
|
624 DeleteDC(IMAGE_INSTANCE_MSWINDOWS_DC (p));
|
|
625 if (IMAGE_INSTANCE_MSWINDOWS_BITMAP (p))
|
|
626 DeleteObject(IMAGE_INSTANCE_MSWINDOWS_BITMAP (p));
|
|
627 IMAGE_INSTANCE_MSWINDOWS_BITMAP (p) = 0;
|
|
628 IMAGE_INSTANCE_MSWINDOWS_DC (p) = 0;
|
|
629 }
|
|
630
|
|
631 xfree (p->data);
|
|
632 p->data = 0;
|
|
633 }
|
|
634
|
|
635 static int
|
|
636 mswindows_image_instance_equal (struct Lisp_Image_Instance *p1,
|
|
637 struct Lisp_Image_Instance *p2, int depth)
|
|
638 {
|
|
639 switch (IMAGE_INSTANCE_TYPE (p1))
|
|
640 {
|
|
641 case IMAGE_MONO_PIXMAP:
|
|
642 case IMAGE_COLOR_PIXMAP:
|
|
643 case IMAGE_POINTER:
|
|
644 if (IMAGE_INSTANCE_MSWINDOWS_BITMAP (p1)
|
|
645 != IMAGE_INSTANCE_MSWINDOWS_BITMAP (p2))
|
|
646 return 0;
|
|
647 break;
|
|
648 default:
|
|
649 break;
|
|
650 }
|
|
651
|
|
652 return 1;
|
|
653 }
|
|
654
|
|
655 static unsigned long
|
|
656 mswindows_image_instance_hash (struct Lisp_Image_Instance *p, int depth)
|
|
657 {
|
|
658 switch (IMAGE_INSTANCE_TYPE (p))
|
|
659 {
|
|
660 case IMAGE_MONO_PIXMAP:
|
|
661 case IMAGE_COLOR_PIXMAP:
|
|
662 case IMAGE_POINTER:
|
|
663 return (unsigned long) IMAGE_INSTANCE_MSWINDOWS_BITMAP (p);
|
|
664 default:
|
|
665 return 0;
|
|
666 }
|
|
667 }
|
|
668
|
|
669 /* Set all the slots in an image instance structure to reasonable
|
|
670 default values. This is used somewhere within an instantiate
|
|
671 method. It is assumed that the device slot within the image
|
|
672 instance is already set -- this is the case when instantiate
|
|
673 methods are called. */
|
|
674
|
|
675 static void
|
|
676 mswindows_initialize_dibitmap_image_instance (struct Lisp_Image_Instance *ii,
|
|
677 enum image_instance_type type)
|
|
678 {
|
|
679 ii->data = xnew_and_zero (struct mswindows_image_instance_data);
|
|
680 IMAGE_INSTANCE_TYPE (ii) = type;
|
|
681 IMAGE_INSTANCE_PIXMAP_FILENAME (ii) = Qnil;
|
|
682 IMAGE_INSTANCE_PIXMAP_MASK_FILENAME (ii) = Qnil;
|
|
683 IMAGE_INSTANCE_PIXMAP_HOTSPOT_X (ii) = Qnil;
|
|
684 IMAGE_INSTANCE_PIXMAP_HOTSPOT_Y (ii) = Qnil;
|
|
685 IMAGE_INSTANCE_PIXMAP_FG (ii) = Qnil;
|
|
686 IMAGE_INSTANCE_PIXMAP_BG (ii) = Qnil;
|
|
687 }
|
|
688
|
|
689
|
|
690 /************************************************************************/
|
|
691 /* initialization */
|
|
692 /************************************************************************/
|
|
693
|
|
694 void
|
|
695 syms_of_glyphs_mswindows (void)
|
|
696 {
|
|
697 }
|
|
698
|
|
699 void
|
|
700 console_type_create_glyphs_mswindows (void)
|
|
701 {
|
|
702 /* image methods */
|
|
703
|
|
704 CONSOLE_HAS_METHOD (mswindows, print_image_instance);
|
|
705 CONSOLE_HAS_METHOD (mswindows, finalize_image_instance);
|
|
706 CONSOLE_HAS_METHOD (mswindows, image_instance_equal);
|
|
707 CONSOLE_HAS_METHOD (mswindows, image_instance_hash);
|
|
708 }
|
|
709
|
|
710 void
|
|
711 image_instantiator_format_create_glyphs_mswindows (void)
|
|
712 {
|
|
713 /* image-instantiator types */
|
|
714
|
|
715 INITIALIZE_IMAGE_INSTANTIATOR_FORMAT (bmp, "bmp");
|
|
716
|
|
717 IIFORMAT_HAS_METHOD (bmp, validate);
|
|
718 IIFORMAT_HAS_METHOD (bmp, normalize);
|
|
719 IIFORMAT_HAS_METHOD (bmp, possible_dest_types);
|
|
720 IIFORMAT_HAS_METHOD (bmp, instantiate);
|
|
721
|
|
722 IIFORMAT_VALID_KEYWORD (bmp, Q_data, check_valid_string);
|
|
723 IIFORMAT_VALID_KEYWORD (bmp, Q_file, check_valid_string);
|
|
724 }
|
|
725
|
|
726 void
|
|
727 vars_of_glyphs_mswindows (void)
|
|
728 {
|
|
729 Fprovide (Qbmp);
|
|
730 DEFVAR_LISP ("mswindows-bitmap-file-path", &Vmswindows_bitmap_file_path /*
|
|
731 A list of the directories in which mswindows bitmap files may be found.
|
|
732 This is used by the `make-image-instance' function.
|
|
733 */ );
|
|
734 Vmswindows_bitmap_file_path = Qnil;
|
|
735 }
|
|
736
|
|
737 void
|
|
738 complex_vars_of_glyphs_mswindows (void)
|
|
739 {
|
|
740 }
|
|
741
|