deliantra/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

PROTOTYPES: ENABLE

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
add_font (char *file)
        CODE:
        FcConfigAppFontAddFile (0, (const FcChar8 *)file); /* no idea wether this is required */

void
set_font (char *file)
        CODE:
{
        int count;
        FcPattern *pattern = FcFreeTypeQuery ((const FcChar8 *)file, 0, 0, &count);
        PangoFontDescription *font = pango_fc_font_description_from_pattern (pattern, 0);
        FcPatternDestroy (pattern);
        pango_context_set_font_description (context, font);
}

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

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));
}

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

void
draw_quad (SV *self, double x, double y, double w = 0, double h = 0)
        PROTOTYPE: $$$;$$
        CODE:
{
        HV *hv = (HV *)SvRV (self);
        double s = SvNV (*hv_fetch (hv, "s", 1, 1));
        double t = SvNV (*hv_fetch (hv, "t", 1, 1));
        int name = SvIV (*hv_fetch (hv, "name", 4, 1));

        if (items < 5)
          {
            w = SvNV (*hv_fetch (hv, "width",  5, 1));
            h = SvNV (*hv_fetch (hv, "height", 6, 1));
          }

        glBindTexture (GL_TEXTURE_2D, name);
        glBegin (GL_QUADS);
        glTexCoord2d (0, 0); glVertex2d (x    , y    );
        glTexCoord2d (0, t); glVertex2d (x    , y + h);
        glTexCoord2d (s, t); glVertex2d (x + w, y + h);
        glTexCoord2d (s, 0); glVertex2d (x + w, y    );
        glEnd ();
}
Revision:	1.13
Committed:	Tue Apr 11 12:27:51 2006 UTC (18 years, 1 month ago) by root
Branch:	MAIN
Changes since 1.12:	+7 -1 lines
Log Message:	add typemap and bold/?italic fonts
#	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	1.11	PROTOTYPES: ENABLE
25
26	root	1.5	BOOT:
27			{
28			fontmap = pango_ft2_font_map_new ();
29	root	1.8	context = pango_ft2_font_map_create_context ((PangoFT2FontMap *)fontmap);
30	root	1.5	}
31
32	root	1.10	void
33			lowdelay (int fd, int val = 1)
34			CODE:
35			setsockopt (fd, IPPROTO_TCP, TCP_NODELAY, &val, sizeof (val));
36
37	root	1.3	char *
38	root	1.4	gl_version ()
39			CODE:
40	root	1.5	RETVAL = (char *)glGetString (GL_VERSION);
41	root	1.4	OUTPUT:
42			RETVAL
43
44			char *
45	root	1.3	gl_extensions ()
46			CODE:
47	root	1.5	RETVAL = (char *)glGetString (GL_EXTENSIONS);
48	root	1.3	OUTPUT:
49			RETVAL
50
51	root	1.5	void
52	root	1.13	add_font (char *file)
53			CODE:
54			FcConfigAppFontAddFile (0, (const FcChar8 )file); / no idea wether this is required */
55
56			void
57	root	1.9	set_font (char *file)
58	root	1.8	CODE:
59			{
60	root	1.9	int count;
61			FcPattern pattern = FcFreeTypeQuery ((const FcChar8 )file, 0, 0, &count);
62	root	1.10	PangoFontDescription *font = pango_fc_font_description_from_pattern (pattern, 0);
63	root	1.9	FcPatternDestroy (pattern);
64	root	1.8	pango_context_set_font_description (context, font);
65			}
66
67	root	1.13	MODULE = Crossfire::Client PACKAGE = Crossfire::Client
68
69	root	1.8	void
70	root	1.7	font_render (SV *text_, int height = 10)
71	root	1.5	PPCODE:
72			{
73			STRLEN textlen;
74			char *text = SvPVutf8 (text_, textlen);
75			SV *retval;
76			int w, h;
77			FT_Bitmap bitmap;
78			PangoLayout *layout;
79			PangoFontDescription *font = pango_context_get_font_description (context);
80	root	1.7	pango_font_description_set_absolute_size (font, height * PANGO_SCALE);
81	root	1.5
82			layout = pango_layout_new (context);
83			pango_layout_set_markup (layout, text, textlen);
84			pango_layout_get_pixel_size (layout, &w, &h);
85
86			w = (w + 3) & ~3;
87	root	1.6	if (!w) w = 1;
88			if (!h) h = 1;
89	root	1.5
90			retval = newSV (w * h);
91			SvPOK_only (retval);
92			SvCUR_set (retval, w * h);
93
94			bitmap.rows = h;
95			bitmap.width = w;
96			bitmap.pitch = w;
97			bitmap.buffer = (unsigned char*)SvPVX (retval);
98			bitmap.num_grays = 256;
99			bitmap.pixel_mode = FT_PIXEL_MODE_GRAY;
100
101			memset (bitmap.buffer, 0, w * h);
102
103			pango_ft2_render_layout (&bitmap, layout, 0 * PANGO_SCALE, 0 * PANGO_SCALE);
104			g_object_unref (layout);
105	root	1.1
106	root	1.5	EXTEND (SP, 3);
107			PUSHs (sv_2mortal (newSViv (w)));
108			PUSHs (sv_2mortal (newSViv (h)));
109			PUSHs (sv_2mortal (retval));
110			}
111	root	1.11
112			MODULE = Crossfire::Client PACKAGE = Crossfire::Client::Texture
113
114			void
115	root	1.12	draw_quad (SV *self, double x, double y, double w = 0, double h = 0)
116			PROTOTYPE: $$$;$$
117	root	1.11	CODE:
118			{
119	root	1.12	HV hv = (HV )SvRV (self);
120			double s = SvNV (*hv_fetch (hv, "s", 1, 1));
121			double t = SvNV (*hv_fetch (hv, "t", 1, 1));
122			int name = SvIV (*hv_fetch (hv, "name", 4, 1));
123
124			if (items < 5)
125			{
126			w = SvNV (*hv_fetch (hv, "width", 5, 1));
127			h = SvNV (*hv_fetch (hv, "height", 6, 1));
128			}
129
130			glBindTexture (GL_TEXTURE_2D, name);
131			glBegin (GL_QUADS);
132			glTexCoord2d (0, 0); glVertex2d (x , y );
133			glTexCoord2d (0, t); glVertex2d (x , y + h);
134			glTexCoord2d (s, t); glVertex2d (x + w, y + h);
135			glTexCoord2d (s, 0); glVertex2d (x + w, y );
136			glEnd ();
137	root	1.11	}