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/cvs/deliantra/Deliantra-Client/Client.xs
Revision: 1.12
Committed: Mon Apr 10 22:16:33 2006 UTC (18 years, 1 month ago) by root
Branch: MAIN
Changes since 1.11: +20 -2 lines
Log Message:
support npot tetxures and use an utility function to draw quads

File Contents

# Content
1 #include "EXTERN.h"
2 #include "perl.h"
3 #include "XSUB.h"
4
5 #include <string.h>
6
7 #include <SDL.h>
8 #include <SDL_opengl.h>
9
10 #include <pango/pango.h>
11 #include <pango/pangofc-fontmap.h>
12 #include <pango/pangoft2.h>
13
14 #include <sys/types.h>
15 #include <sys/socket.h>
16 #include <netinet/in.h>
17 #include <netinet/tcp.h>
18
19 static PangoContext *context;
20 static PangoFontMap *fontmap;
21
22 MODULE = Crossfire::Client PACKAGE = Crossfire::Client
23
24 PROTOTYPES: ENABLE
25
26 BOOT:
27 {
28 fontmap = pango_ft2_font_map_new ();
29 context = pango_ft2_font_map_create_context ((PangoFT2FontMap *)fontmap);
30 }
31
32 void
33 lowdelay (int fd, int val = 1)
34 CODE:
35 setsockopt (fd, IPPROTO_TCP, TCP_NODELAY, &val, sizeof (val));
36
37 char *
38 gl_version ()
39 CODE:
40 RETVAL = (char *)glGetString (GL_VERSION);
41 OUTPUT:
42 RETVAL
43
44 char *
45 gl_extensions ()
46 CODE:
47 RETVAL = (char *)glGetString (GL_EXTENSIONS);
48 OUTPUT:
49 RETVAL
50
51 void
52 set_font (char *file)
53 CODE:
54 {
55 int count;
56 FcPattern *pattern = FcFreeTypeQuery ((const FcChar8 *)file, 0, 0, &count);
57 FcConfigAppFontAddFile (0, (const FcChar8 *)file); /* no idea wether this is required */
58 PangoFontDescription *font = pango_fc_font_description_from_pattern (pattern, 0);
59 FcPatternDestroy (pattern);
60 pango_context_set_font_description (context, font);
61 }
62
63 void
64 font_render (SV *text_, int height = 10)
65 PPCODE:
66 {
67 STRLEN textlen;
68 char *text = SvPVutf8 (text_, textlen);
69 SV *retval;
70 int w, h;
71 FT_Bitmap bitmap;
72 PangoLayout *layout;
73 PangoFontDescription *font = pango_context_get_font_description (context);
74 pango_font_description_set_absolute_size (font, height * PANGO_SCALE);
75
76 layout = pango_layout_new (context);
77 pango_layout_set_markup (layout, text, textlen);
78 pango_layout_get_pixel_size (layout, &w, &h);
79
80 w = (w + 3) & ~3;
81 if (!w) w = 1;
82 if (!h) h = 1;
83
84 retval = newSV (w * h);
85 SvPOK_only (retval);
86 SvCUR_set (retval, w * h);
87
88 bitmap.rows = h;
89 bitmap.width = w;
90 bitmap.pitch = w;
91 bitmap.buffer = (unsigned char*)SvPVX (retval);
92 bitmap.num_grays = 256;
93 bitmap.pixel_mode = FT_PIXEL_MODE_GRAY;
94
95 memset (bitmap.buffer, 0, w * h);
96
97 pango_ft2_render_layout (&bitmap, layout, 0 * PANGO_SCALE, 0 * PANGO_SCALE);
98 g_object_unref (layout);
99
100 EXTEND (SP, 3);
101 PUSHs (sv_2mortal (newSViv (w)));
102 PUSHs (sv_2mortal (newSViv (h)));
103 PUSHs (sv_2mortal (retval));
104 }
105
106 MODULE = Crossfire::Client PACKAGE = Crossfire::Client::Texture
107
108 void
109 draw_quad (SV *self, double x, double y, double w = 0, double h = 0)
110 PROTOTYPE: $$$;$$
111 CODE:
112 {
113 HV *hv = (HV *)SvRV (self);
114 double s = SvNV (*hv_fetch (hv, "s", 1, 1));
115 double t = SvNV (*hv_fetch (hv, "t", 1, 1));
116 int name = SvIV (*hv_fetch (hv, "name", 4, 1));
117
118 if (items < 5)
119 {
120 w = SvNV (*hv_fetch (hv, "width", 5, 1));
121 h = SvNV (*hv_fetch (hv, "height", 6, 1));
122 }
123
124 glBindTexture (GL_TEXTURE_2D, name);
125 glBegin (GL_QUADS);
126 glTexCoord2d (0, 0); glVertex2d (x , y );
127 glTexCoord2d (0, t); glVertex2d (x , y + h);
128 glTexCoord2d (s, t); glVertex2d (x + w, y + h);
129 glTexCoord2d (s, 0); glVertex2d (x + w, y );
130 glEnd ();
131 }