cf.schmorp.de/Deliantra-Client/Client.xs

#include "EXTERN.h"
#include "perl.h"
#include "XSUB.h"

#include <string.h>

#include <SDL.h>
#include <SDL_opengl.h>

#include <pango/pango.h>
#include <pango/pangofc-fontmap.h>
#include <pango/pangoft2.h>

#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netinet/tcp.h>

static PangoContext *context;
static PangoFontMap *fontmap;

MODULE = Crossfire::Client      PACKAGE = Crossfire::Client

BOOT:
{
        fontmap = pango_ft2_font_map_new ();
        context = pango_ft2_font_map_create_context ((PangoFT2FontMap *)fontmap);
}

void
lowdelay (int fd, int val = 1)
        CODE:
        setsockopt (fd, IPPROTO_TCP, TCP_NODELAY, &val, sizeof (val));

char *
gl_version ()
        CODE:
        RETVAL = (char *)glGetString (GL_VERSION);
        OUTPUT:
        RETVAL

char *
gl_extensions ()
        CODE:
        RETVAL = (char *)glGetString (GL_EXTENSIONS);
        OUTPUT:
        RETVAL

void
set_font (char *file)
        CODE:
{
        int count;
        FcPattern *pattern = FcFreeTypeQuery ((const FcChar8 *)file, 0, 0, &count);
        FcConfigAppFontAddFile (0, (const FcChar8 *)file); /* no idea wether this is required */
        PangoFontDescription *font = pango_fc_font_description_from_pattern (pattern, 0);
        FcPatternDestroy (pattern);
        pango_context_set_font_description (context, font);
}

void
font_render (SV *text_, int height = 10)
        PPCODE:
{
        STRLEN textlen;
        char *text = SvPVutf8 (text_, textlen);
        SV *retval;
        int w, h;
        FT_Bitmap bitmap;
        PangoLayout *layout;
        PangoFontDescription *font = pango_context_get_font_description (context);
        pango_font_description_set_absolute_size (font, height * PANGO_SCALE);

        layout = pango_layout_new (context);
        pango_layout_set_markup (layout, text, textlen);
        pango_layout_get_pixel_size (layout, &w, &h);

        w = (w + 3) & ~3;
        if (!w) w = 1;
        if (!h) h = 1;

        retval = newSV (w * h);
        SvPOK_only (retval);
        SvCUR_set (retval, w * h);

        bitmap.rows       = h;
        bitmap.width      = w;
        bitmap.pitch      = w;
        bitmap.buffer     = (unsigned char*)SvPVX (retval);
        bitmap.num_grays  = 256;
        bitmap.pixel_mode = FT_PIXEL_MODE_GRAY;

        memset (bitmap.buffer, 0, w * h);
            
        pango_ft2_render_layout (&bitmap, layout, 0 * PANGO_SCALE, 0 * PANGO_SCALE);
        g_object_unref (layout);

        EXTEND (SP, 3);
        PUSHs (sv_2mortal (newSViv (w)));
        PUSHs (sv_2mortal (newSViv (h)));
        PUSHs (sv_2mortal (retval));
}
Revision:	1.10
Committed:	Sun Apr 9 17:34:15 2006 UTC (20 years, 6 months ago) by root
Branch:	MAIN
Changes since 1.9:	+12 -1 lines
Log Message:	* empty log message *
#	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	root	1.10	#include <pango/pangofc-fontmap.h>
12	root	1.5	#include <pango/pangoft2.h>
13
14	root	1.10	#include <sys/types.h>
15			#include <sys/socket.h>
16			#include <netinet/in.h>
17			#include <netinet/tcp.h>
18
19	root	1.5	static PangoContext *context;
20			static PangoFontMap *fontmap;
21	root	1.2
22	root	1.1	MODULE = Crossfire::Client PACKAGE = Crossfire::Client
23
24	root	1.5	BOOT:
25			{
26			fontmap = pango_ft2_font_map_new ();
27	root	1.8	context = pango_ft2_font_map_create_context ((PangoFT2FontMap *)fontmap);
28	root	1.5	}
29
30	root	1.10	void
31			lowdelay (int fd, int val = 1)
32			CODE:
33			setsockopt (fd, IPPROTO_TCP, TCP_NODELAY, &val, sizeof (val));
34
35	root	1.3	char *
36	root	1.4	gl_version ()
37			CODE:
38	root	1.5	RETVAL = (char *)glGetString (GL_VERSION);
39	root	1.4	OUTPUT:
40			RETVAL
41
42			char *
43	root	1.3	gl_extensions ()
44			CODE:
45	root	1.5	RETVAL = (char *)glGetString (GL_EXTENSIONS);
46	root	1.3	OUTPUT:
47			RETVAL
48
49	root	1.5	void
50	root	1.9	set_font (char *file)
51	root	1.8	CODE:
52			{
53	root	1.9	int count;
54			FcPattern pattern = FcFreeTypeQuery ((const FcChar8 )file, 0, 0, &count);
55			FcConfigAppFontAddFile (0, (const FcChar8 )file); / no idea wether this is required */
56	root	1.10	PangoFontDescription *font = pango_fc_font_description_from_pattern (pattern, 0);
57	root	1.9	FcPatternDestroy (pattern);
58	root	1.8	pango_context_set_font_description (context, font);
59			}
60
61			void
62	root	1.7	font_render (SV *text_, int height = 10)
63	root	1.5	PPCODE:
64			{
65			STRLEN textlen;
66			char *text = SvPVutf8 (text_, textlen);
67			SV *retval;
68			int w, h;
69			FT_Bitmap bitmap;
70			PangoLayout *layout;
71			PangoFontDescription *font = pango_context_get_font_description (context);
72	root	1.7	pango_font_description_set_absolute_size (font, height * PANGO_SCALE);
73	root	1.5
74			layout = pango_layout_new (context);
75			pango_layout_set_markup (layout, text, textlen);
76			pango_layout_get_pixel_size (layout, &w, &h);
77
78			w = (w + 3) & ~3;
79	root	1.6	if (!w) w = 1;
80			if (!h) h = 1;
81	root	1.5
82			retval = newSV (w * h);
83			SvPOK_only (retval);
84			SvCUR_set (retval, w * h);
85
86			bitmap.rows = h;
87			bitmap.width = w;
88			bitmap.pitch = w;
89			bitmap.buffer = (unsigned char*)SvPVX (retval);
90			bitmap.num_grays = 256;
91			bitmap.pixel_mode = FT_PIXEL_MODE_GRAY;
92
93			memset (bitmap.buffer, 0, w * h);
94
95			pango_ft2_render_layout (&bitmap, layout, 0 * PANGO_SCALE, 0 * PANGO_SCALE);
96			g_object_unref (layout);
97	root	1.1
98	root	1.5	EXTEND (SP, 3);
99			PUSHs (sv_2mortal (newSViv (w)));
100			PUSHs (sv_2mortal (newSViv (h)));
101			PUSHs (sv_2mortal (retval));
102			}