/usr/lib/pike7.8/modules/_Image_XPM.pmod is in pike7.8-image 7.8.866-5build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 | #pike __REAL_VERSION__
inherit Image._XPM;
#if 0
# define TE( X ) werror("XPM profile: %-20s ... ", (X));
int old_time,start_time;
# define TI(X) start_time=old_time=gethrtime();TE(X)
# define TD( X ) do{\
werror("%3.02f (%3.02f)\n", (gethrtime()-old_time)/1000000.0,(gethrtime()-start_time)/1000000.0);\
TE(X); \
old_time = gethrtime(); \
} while(0);
#else
# define TI(X)
# define TD(X)
# define TE(X)
#endif
mapping _decode( string what, void|mapping opts )
{
array data;
mapping retopts = ([ ]);
if(!opts)
opts = ([]);
TI("Scan for header");
if(sscanf(what, "%*s/*%*[ \t]XPM%*[ \t]*/%*s{%s", what) != 5)
error("This is not a XPM image (1)\n");
if(sizeof(what)<100000)
{
TD("Extra scan for small images");
sscanf(what, "%s\n/* XPM */", what ) ||
sscanf(what, "%s\n/*\tXPM\t*/", what ) ||
sscanf(what, "%s\n/*\tXPM */", what )||
sscanf(what, "%s\n/* XPM */", what );
/* This is just a sanity check... */
what = reverse(what);
if(sscanf(what, "%*s}%s", what) != 2)
error("This is not a XPM image (3)\n");
what = reverse(what);
}
TD("Explode");
data = what/"\n";
what = 0;
int len = sizeof(data);
TD("Trim");
_xpm_trim_rows( data );
array values = (array(int))(replace(data[0], "\t", " ")/" "-({""}));
int width = values[0];
int height = values[1];
if(!width || !height)
error("Width or height == 0\n");
int ncolors = values[2];
int cpp = values[3];
if(sizeof(values)>5)
{
retopts->hot_x = values[4];
retopts->hot_y = values[5];
}
TD("Colors");
if(sizeof(data) < ncolors+2)
error("Too few elements in array to decode color values\n");
array colors;
// kludge? probable FIXME?
// I can't see why the colors not always must be sorted...
// /Mirar 2003-01-31
// if(cpp < 4)
// colors = data[1..ncolors];
// else
colors = sort(data[1..ncolors]);
TD("Creating images");
object i = Image.Image( width, height );
object a = Image.Image( width, height,255,255,255 );
TD("Decoding image");
// for(int y = 0; y<height && y<sizeof(data); y++)
_xpm_write_rows( i,a,cpp,colors,data );
// _xpm_write_row( height, i, a, data[ncolors+y+1], cpp, colors );
TD("Done");
retopts->image = i;
retopts->alpha = a;
return retopts;
}
array ok = ({
"`", ".", "+", "@", "#", "$", "%", "*", "=", "-", ";", ">", ",",
"'", ")", "!", "~", "{", "]", "^", "/", "(", "_", ":", "<", "[",
"}", "|", "1", "2", "3", "4", "5", "6", "7", "8", "9", "0", "a",
"b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n",
"o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z", "A",
"B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N",
"O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z", " ",
});
array cmap_t;
string encode( object what, mapping|void options )
{
int x,y,q;
TI("Encode init");
if(!options) options = ([]);
if(!cmap_t)
{
cmap_t = allocate( 8100 );
for(x=0; x<90; x++)
for(y=0; y<90; y++)
cmap_t[q++] = ok[x]+ok[y];
}
TD("Encode CT");
if(!options->colortable)
{
options->colortable = Image.Colortable( what, 8089 );
options->colortable->rigid( 25, 25, 25 );
options->colortable->floyd_steinberg();
}
if(!options->name)
options->name = "image";
int alpha_used;
TD("Encode map");
array rows=options->colortable->index(what)/what->xsize();
TD("Encode colors");
int ncolors;
array colors = ({});
int n;
foreach(((string)options->colortable)/3, mixed c)
{
colors += ({sprintf("%s c #%02x%02x%02x",cmap_t[n++],c[0],c[1],c[2])});
ncolors++;
}
TD("Encode alpha");
if(options->alpha)
{
object ac = Image.Colortable( ({ Image.Color.white, Image.Color.black }) );
array q = ac->index( options->alpha )/what->xsize();
string alpha_color = " ";
string minus_ett = " ";
alpha_color[0] = ncolors;
minus_ett[0] = -1;
for(y=0; y<sizeof(q); y++)
rows[y]=replace(rows[y]|replace(q[y],"\1",minus_ett),minus_ett,alpha_color );
}
if(alpha_used)
{
colors += ({cmap_t[ncolors]+" c None"});
ncolors++;
}
TD("Encode color output");
string res =
"/* XPM */\n"+
(options->comment?
"/* "+replace(options->comment, ({"/*", "*/"}), ({"/", "/"}))+" */\n":"")+
"static char* "+options->name+" = {\n"
"\""+what->xsize()+" "+what->ysize()+" "+ncolors+" 2\",\n";
foreach(colors, string c)
res += "\""+c+"\",\n";
TD(sprintf("Encode %d rows", sizeof(rows)));
q = sizeof(rows);
foreach(rows, string row)
{
string r = "";
int i;
r += "\"";
for(i=0; i<sizeof(row); i++)
r += cmap_t[row[i]];
res += r+"\",\n";
}
TD(sprintf("Encoded %d rows", sizeof(rows)));
res = res+"};\n";
TE("Done");
return res;
}
object decode( string what )
{
return _decode(what)->image;
}
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