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/cvs/deliantra/Deliantra-Client/Client.xs
Revision: 1.23
Committed: Wed Apr 12 20:42:52 2006 UTC (18 years, 1 month ago) by root
Branch: MAIN
Changes since 1.22: +56 -0 lines
Log Message:
no gtk+ anymore

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_image.h>
9 #include <SDL_opengl.h>
10
11 #include <pango/pango.h>
12 #include <pango/pangofc-fontmap.h>
13 #include <pango/pangoft2.h>
14
15 #include <sys/time.h>
16 #include <sys/types.h>
17 #include <unistd.h>
18
19 #include <sys/types.h>
20 #include <sys/socket.h>
21 #include <netinet/in.h>
22 #include <netinet/tcp.h>
23
24 static PangoContext *context;
25 static PangoFontMap *fontmap;
26
27 typedef struct cf_layout {
28 PangoLayout *pl;
29 int base_height;
30 } *CFClient__Layout;
31
32 static void
33 substitute_func (FcPattern *pattern, gpointer data)
34 {
35 FcPatternAddBool (pattern, FC_HINTING , 1);
36 FcPatternAddBool (pattern, FC_AUTOHINT, 1);
37 }
38
39 static void
40 layout_update (CFClient__Layout self)
41 {
42 /* use a random scale factor to account for unknown descenders, 0.8 works
43 * reasonably well with bitstream vera
44 */
45 PangoFontDescription *font = pango_context_get_font_description (context);
46 pango_font_description_set_absolute_size (font, self->base_height * (PANGO_SCALE * 8 / 10));
47 }
48
49 static void
50 layout_get_pixel_size (CFClient__Layout self, int *w, int *h)
51 {
52 layout_update (self);
53
54 pango_layout_get_pixel_size (self->pl, w, h);
55
56 *w = (*w + 3) & ~3;
57 if (!*w) *w = 1;
58 if (!*h) *h = 1;
59 }
60
61 MODULE = CFClient PACKAGE = CFClient
62
63 PROTOTYPES: ENABLE
64
65 BOOT:
66 {
67 fontmap = pango_ft2_font_map_new ();
68 pango_ft2_font_map_set_default_substitute ((PangoFT2FontMap *)fontmap, substitute_func, 0, 0);
69 context = pango_ft2_font_map_create_context ((PangoFT2FontMap *)fontmap);
70 }
71
72 void
73 lowdelay (int fd, int val = 1)
74 CODE:
75 setsockopt (fd, IPPROTO_TCP, TCP_NODELAY, &val, sizeof (val));
76
77 char *
78 gl_version ()
79 CODE:
80 RETVAL = (char *)glGetString (GL_VERSION);
81 OUTPUT:
82 RETVAL
83
84 char *
85 gl_extensions ()
86 CODE:
87 RETVAL = (char *)glGetString (GL_EXTENSIONS);
88 OUTPUT:
89 RETVAL
90
91 void
92 add_font (char *file)
93 CODE:
94 FcConfigAppFontAddFile (0, (const FcChar8 *)file); /* no idea wether this is required */
95
96 void
97 set_font (char *file)
98 CODE:
99 {
100 int count;
101 FcPattern *pattern = FcFreeTypeQuery ((const FcChar8 *)file, 0, 0, &count);
102 PangoFontDescription *font = pango_fc_font_description_from_pattern (pattern, 0);
103 FcPatternDestroy (pattern);
104 pango_context_set_font_description (context, font);
105 }
106
107 void
108 load_image_inline (SV *image_)
109 ALIAS:
110 load_image_file = 1
111 PPCODE:
112 {
113 STRLEN image_len;
114 char *image = (char *)SvPVbyte (image_, image_len);
115 SDL_Surface *surface, *surface2;
116 SDL_PixelFormat fmt;
117 SDL_RWops *rw = ix
118 ? SDL_RWFromFile (image, "r")
119 : SDL_RWFromConstMem (image, image_len);
120
121 if (!rw)
122 croak ("load_image: unable to open file");
123
124 surface = IMG_Load_RW (rw, 1);
125 if (!surface)
126 croak ("load_image: unable to read file");
127
128 fmt.palette = NULL;
129 fmt.BitsPerPixel = 32;
130 fmt.BytesPerPixel = 4;
131 fmt.Rmask = 0x000000ff;
132 fmt.Gmask = 0x0000ff00;
133 fmt.Bmask = 0x00ff0000;
134 fmt.Amask = 0xff000000;
135 fmt.Rloss = 0;
136 fmt.Gloss = 0;
137 fmt.Bloss = 0;
138 fmt.Aloss = 0;
139 fmt.Rshift = 0;
140 fmt.Gshift = 8;
141 fmt.Bshift = 16;
142 fmt.Ashift = 24;
143 fmt.colorkey = 0;
144 fmt.alpha = 0;
145
146 surface2 = SDL_ConvertSurface (surface, &fmt, SDL_SWSURFACE);
147
148 EXTEND (SP, 5);
149 PUSHs (sv_2mortal (newSViv (surface2->w)));
150 PUSHs (sv_2mortal (newSViv (surface2->h)));
151 SDL_LockSurface (surface2);
152 PUSHs (sv_2mortal (newSVpvn (surface2->pixels, surface2->h * surface2->pitch)));
153 SDL_UnlockSurface (surface2);
154 PUSHs (sv_2mortal (newSViv (surface->format->Amask ? GL_RGBA : GL_RGB)));
155 PUSHs (sv_2mortal (newSViv (GL_RGBA)));
156 PUSHs (sv_2mortal (newSViv (GL_UNSIGNED_INT_8_8_8_8_REV)));
157
158 SDL_FreeSurface (surface);
159 SDL_FreeSurface (surface2);
160 }
161
162 MODULE = CFClient PACKAGE = CFClient::Layout
163
164 CFClient::Layout
165 new (SV *class, int base_height = 10)
166 CODE:
167 New (0, RETVAL, 1, struct cf_layout);
168 RETVAL->base_height = base_height;
169 RETVAL->pl = pango_layout_new (context);
170 pango_layout_set_wrap (RETVAL->pl, PANGO_WRAP_WORD_CHAR);
171 OUTPUT:
172 RETVAL
173
174 void
175 DESTROY (CFClient::Layout self)
176 CODE:
177 g_object_unref (self->pl);
178 Safefree (self);
179
180 void
181 set_markup (CFClient::Layout self, SV *text_)
182 CODE:
183 {
184 STRLEN textlen;
185 char *text = SvPVutf8 (text_, textlen);
186
187 pango_layout_set_markup (self->pl, text, textlen);
188 }
189
190 void
191 set_height (CFClient::Layout self, int base_height)
192 CODE:
193 self->base_height = base_height;
194
195 void
196 set_width (CFClient::Layout self, int max_width = -1)
197 CODE:
198 pango_layout_set_width (self->pl, max_width < 0 ? max_width : max_width * PANGO_SCALE);
199
200 void
201 size (CFClient::Layout self)
202 PPCODE:
203 {
204 int w, h;
205
206 layout_update (self);
207 layout_get_pixel_size (self, &w, &h);
208
209 EXTEND (SP, 2);
210 PUSHs (sv_2mortal (newSViv (w)));
211 PUSHs (sv_2mortal (newSViv (h)));
212 }
213
214 int
215 xy_to_index (CFClient::Layout self, int x, int y)
216 CODE:
217 {
218 int index, trailing;
219
220 layout_update (self);
221 pango_layout_xy_to_index (self->pl, x * PANGO_SCALE, y * PANGO_SCALE, &index, &trailing);
222
223 RETVAL = index;
224 }
225 OUTPUT:
226 RETVAL
227
228 void
229 cursor_pos (CFClient::Layout self, int index)
230 PPCODE:
231 {
232 PangoRectangle strong_pos;
233 layout_update (self);
234 pango_layout_get_cursor_pos (self->pl, index, &strong_pos, 0);
235 EXTEND (SP, 3);
236 PUSHs (sv_2mortal (newSViv (strong_pos.x / PANGO_SCALE)));
237 PUSHs (sv_2mortal (newSViv (strong_pos.y / PANGO_SCALE)));
238 PUSHs (sv_2mortal (newSViv (strong_pos.height / PANGO_SCALE)));
239 }
240
241 void
242 render (CFClient::Layout self)
243 PPCODE:
244 {
245 SV *retval;
246 int w, h;
247 FT_Bitmap bitmap;
248
249 layout_update (self);
250 layout_get_pixel_size (self, &w, &h);
251
252 retval = newSV (w * h);
253 SvPOK_only (retval);
254 SvCUR_set (retval, w * h);
255
256 bitmap.rows = h;
257 bitmap.width = w;
258 bitmap.pitch = w;
259 bitmap.buffer = (unsigned char*)SvPVX (retval);
260 bitmap.num_grays = 256;
261 bitmap.pixel_mode = FT_PIXEL_MODE_GRAY;
262
263 memset (bitmap.buffer, 0, w * h);
264
265 pango_ft2_render_layout (&bitmap, self->pl, 0 * PANGO_SCALE, 0 * PANGO_SCALE);
266
267 EXTEND (SP, 3);
268 PUSHs (sv_2mortal (newSViv (w)));
269 PUSHs (sv_2mortal (newSViv (h)));
270 PUSHs (sv_2mortal (retval));
271 }
272
273 MODULE = CFClient PACKAGE = CFClient::Texture
274
275 void
276 draw_quad (SV *self, double x, double y, double w = 0, double h = 0)
277 PROTOTYPE: $$$;$$
278 CODE:
279 {
280 HV *hv = (HV *)SvRV (self);
281 double s = SvNV (*hv_fetch (hv, "s", 1, 1));
282 double t = SvNV (*hv_fetch (hv, "t", 1, 1));
283 int name = SvIV (*hv_fetch (hv, "name", 4, 1));
284
285 if (items < 5)
286 {
287 w = SvNV (*hv_fetch (hv, "w", 1, 1));
288 h = SvNV (*hv_fetch (hv, "h", 1, 1));
289 }
290
291 glBindTexture (GL_TEXTURE_2D, name);
292 glBegin (GL_QUADS);
293 glTexCoord2d (0, 0); glVertex2d (x , y );
294 glTexCoord2d (0, t); glVertex2d (x , y + h);
295 glTexCoord2d (s, t); glVertex2d (x + w, y + h);
296 glTexCoord2d (s, 0); glVertex2d (x + w, y );
297 glEnd ();
298 }