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/cvs/deliantra/Deliantra-Client/Client.xs
Revision: 1.8
Committed: Sun Apr 9 01:19:15 2006 UTC (18 years, 1 month ago) by root
Branch: MAIN
Changes since 1.7: +14 -2 lines
Log Message:
*** empty log message ***

File Contents

# User Rev Content
1 root 1.1 #include "EXTERN.h"
2     #include "perl.h"
3     #include "XSUB.h"
4    
5 root 1.5 #include <string.h>
6    
7 root 1.2 #include <SDL.h>
8 root 1.3 #include <SDL_opengl.h>
9 root 1.5
10     #include <pango/pango.h>
11     #include <pango/pangoft2.h>
12    
13     static PangoContext *context;
14     static PangoFontMap *fontmap;
15 root 1.2
16 root 1.1 MODULE = Crossfire::Client PACKAGE = Crossfire::Client
17    
18 root 1.5 BOOT:
19     {
20     fontmap = pango_ft2_font_map_new ();
21 root 1.8 context = pango_ft2_font_map_create_context ((PangoFT2FontMap *)fontmap);
22 root 1.5 }
23    
24 root 1.3 char *
25 root 1.4 gl_version ()
26     CODE:
27 root 1.5 RETVAL = (char *)glGetString (GL_VERSION);
28 root 1.4 OUTPUT:
29     RETVAL
30    
31     char *
32 root 1.3 gl_extensions ()
33     CODE:
34 root 1.5 RETVAL = (char *)glGetString (GL_EXTENSIONS);
35 root 1.3 OUTPUT:
36     RETVAL
37    
38 root 1.5 void
39 root 1.8 add_font (char *file)
40     CODE:
41     FcConfigAppFontAddFile (0, (const FcChar8 *)file);
42    
43     void
44     set_font (char *pango_font)
45     CODE:
46     {
47     PangoFontDescription *font = pango_font_description_from_string (pango_font);
48     pango_context_set_font_description (context, font);
49     }
50    
51     void
52 root 1.7 font_render (SV *text_, int height = 10)
53 root 1.5 PPCODE:
54     {
55     STRLEN textlen;
56     char *text = SvPVutf8 (text_, textlen);
57     SV *retval;
58     int w, h;
59     FT_Bitmap bitmap;
60     PangoLayout *layout;
61     PangoFontDescription *font = pango_context_get_font_description (context);
62 root 1.7 pango_font_description_set_absolute_size (font, height * PANGO_SCALE);
63 root 1.5
64     layout = pango_layout_new (context);
65     pango_layout_set_markup (layout, text, textlen);
66     pango_layout_get_pixel_size (layout, &w, &h);
67    
68     w = (w + 3) & ~3;
69 root 1.6 if (!w) w = 1;
70     if (!h) h = 1;
71 root 1.5
72     retval = newSV (w * h);
73     SvPOK_only (retval);
74     SvCUR_set (retval, w * h);
75    
76     bitmap.rows = h;
77     bitmap.width = w;
78     bitmap.pitch = w;
79     bitmap.buffer = (unsigned char*)SvPVX (retval);
80     bitmap.num_grays = 256;
81     bitmap.pixel_mode = FT_PIXEL_MODE_GRAY;
82    
83     memset (bitmap.buffer, 0, w * h);
84    
85     pango_ft2_render_layout (&bitmap, layout, 0 * PANGO_SCALE, 0 * PANGO_SCALE);
86     g_object_unref (layout);
87 root 1.1
88 root 1.5 EXTEND (SP, 3);
89     PUSHs (sv_2mortal (newSViv (w)));
90     PUSHs (sv_2mortal (newSViv (h)));
91     PUSHs (sv_2mortal (retval));
92     }