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#include "EXTERN.h" |
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#include "perl.h" |
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#include "XSUB.h" |
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|
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#include <string.h> |
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|
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#include <SDL.h> |
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#include <SDL_opengl.h> |
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|
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#include <pango/pango.h> |
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#include <pango/pangofc-fontmap.h> |
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#include <pango/pangoft2.h> |
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|
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#include <sys/types.h> |
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#include <sys/socket.h> |
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#include <netinet/in.h> |
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#include <netinet/tcp.h> |
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|
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static PangoContext *context; |
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static PangoFontMap *fontmap; |
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|
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typedef struct cf_layout { |
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PangoLayout *pl; |
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int base_height; |
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} *CFClient__Layout; |
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|
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static void |
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substitute_func (FcPattern *pattern, gpointer data) |
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{ |
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//FcPatternAddBool (pattern, FC_HINTING, 1); |
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//FcPatternAddBool (pattern, FC_AUTOHINT, 1); |
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} |
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|
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static void |
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layout_update (CFClient__Layout self) |
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{ |
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/* use a random scale factor to account for unknown descenders, 0.8 works |
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* reasonably well with bitstream vera |
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*/ |
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PangoFontDescription *font = pango_context_get_font_description (context); |
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pango_font_description_set_absolute_size (font, self->base_height * (PANGO_SCALE * 8 / 10)); |
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} |
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|
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static void |
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layout_get_pixel_size (CFClient__Layout self, int *w, int *h) |
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{ |
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layout_update (self); |
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|
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pango_layout_get_pixel_size (self->pl, w, h); |
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|
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*w = (*w + 3) & ~3; |
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if (!*w) *w = 1; |
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if (!*h) *h = 1; |
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} |
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|
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MODULE = CFClient PACKAGE = CFClient |
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|
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PROTOTYPES: ENABLE |
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|
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BOOT: |
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{ |
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fontmap = pango_ft2_font_map_new (); |
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pango_ft2_font_map_set_default_substitute ((PangoFT2FontMap *)fontmap, substitute_func, 0, 0); |
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context = pango_ft2_font_map_create_context ((PangoFT2FontMap *)fontmap); |
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} |
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|
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void |
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lowdelay (int fd, int val = 1) |
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CODE: |
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setsockopt (fd, IPPROTO_TCP, TCP_NODELAY, &val, sizeof (val)); |
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|
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char * |
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gl_version () |
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CODE: |
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RETVAL = (char *)glGetString (GL_VERSION); |
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OUTPUT: |
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RETVAL |
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|
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char * |
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gl_extensions () |
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CODE: |
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RETVAL = (char *)glGetString (GL_EXTENSIONS); |
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OUTPUT: |
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RETVAL |
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|
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void |
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add_font (char *file) |
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CODE: |
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FcConfigAppFontAddFile (0, (const FcChar8 *)file); /* no idea wether this is required */ |
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|
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void |
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set_font (char *file) |
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CODE: |
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{ |
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int count; |
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FcPattern *pattern = FcFreeTypeQuery ((const FcChar8 *)file, 0, 0, &count); |
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PangoFontDescription *font = pango_fc_font_description_from_pattern (pattern, 0); |
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FcPatternDestroy (pattern); |
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pango_context_set_font_description (context, font); |
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} |
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|
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MODULE = CFClient PACKAGE = CFClient::Layout |
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|
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CFClient::Layout |
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new (SV *class, int base_height = 10) |
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CODE: |
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New (0, RETVAL, 1, struct cf_layout); |
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RETVAL->base_height = base_height; |
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RETVAL->pl = pango_layout_new (context); |
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pango_layout_set_wrap (RETVAL->pl, PANGO_WRAP_WORD_CHAR); |
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OUTPUT: |
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RETVAL |
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|
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void |
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DESTROY (CFClient::Layout self) |
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CODE: |
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g_object_unref (self->pl); |
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Safefree (self); |
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|
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void |
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set_markup (CFClient::Layout self, SV *text_) |
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CODE: |
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{ |
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STRLEN textlen; |
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char *text = SvPVutf8 (text_, textlen); |
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|
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pango_layout_set_markup (self->pl, text, textlen); |
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} |
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|
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void |
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set_height (CFClient::Layout self, int base_height) |
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CODE: |
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self->base_height = base_height; |
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|
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void |
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set_width (CFClient::Layout self, int max_width = -1) |
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CODE: |
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pango_layout_set_width (self->pl, max_width < 0 ? max_width : max_width * PANGO_SCALE); |
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|
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void |
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size (CFClient::Layout self) |
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PPCODE: |
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{ |
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int w, h; |
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|
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layout_update (self); |
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layout_get_pixel_size (self, &w, &h); |
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|
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EXTEND (SP, 2); |
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PUSHs (sv_2mortal (newSViv (w))); |
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PUSHs (sv_2mortal (newSViv (h))); |
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} |
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|
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int |
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xy_to_index (CFClient::Layout self, int x, int y) |
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CODE: |
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{ |
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int index, trailing; |
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|
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layout_update (self); |
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pango_layout_xy_to_index (self->pl, x * PANGO_SCALE, y * PANGO_SCALE, &index, &trailing); |
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|
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RETVAL = index; |
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} |
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OUTPUT: |
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RETVAL |
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|
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void |
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cursor_pos (CFClient::Layout self, int index) |
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PPCODE: |
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{ |
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PangoRectangle strong_pos; |
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layout_update (self); |
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pango_layout_get_cursor_pos (self->pl, index, &strong_pos, 0); |
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EXTEND (SP, 3); |
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PUSHs (sv_2mortal (newSViv (strong_pos.x / PANGO_SCALE))); |
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PUSHs (sv_2mortal (newSViv (strong_pos.y / PANGO_SCALE))); |
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PUSHs (sv_2mortal (newSViv (strong_pos.height / PANGO_SCALE))); |
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} |
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|
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void |
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render (CFClient::Layout self) |
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PPCODE: |
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{ |
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SV *retval; |
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int w, h; |
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FT_Bitmap bitmap; |
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|
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layout_update (self); |
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layout_get_pixel_size (self, &w, &h); |
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|
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retval = newSV (w * h); |
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SvPOK_only (retval); |
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SvCUR_set (retval, w * h); |
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|
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bitmap.rows = h; |
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bitmap.width = w; |
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bitmap.pitch = w; |
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bitmap.buffer = (unsigned char*)SvPVX (retval); |
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bitmap.num_grays = 256; |
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bitmap.pixel_mode = FT_PIXEL_MODE_GRAY; |
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|
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memset (bitmap.buffer, 0, w * h); |
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|
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pango_ft2_render_layout (&bitmap, self->pl, 0 * PANGO_SCALE, 0 * PANGO_SCALE); |
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|
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EXTEND (SP, 3); |
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PUSHs (sv_2mortal (newSViv (w))); |
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PUSHs (sv_2mortal (newSViv (h))); |
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PUSHs (sv_2mortal (retval)); |
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} |
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|
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MODULE = CFClient PACKAGE = CFClient::Texture |
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|
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void |
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draw_quad (SV *self, double x, double y, double w = 0, double h = 0) |
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PROTOTYPE: $$$;$$ |
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CODE: |
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{ |
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HV *hv = (HV *)SvRV (self); |
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double s = SvNV (*hv_fetch (hv, "s", 1, 1)); |
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double t = SvNV (*hv_fetch (hv, "t", 1, 1)); |
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int name = SvIV (*hv_fetch (hv, "name", 4, 1)); |
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|
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if (items < 5) |
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{ |
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w = SvNV (*hv_fetch (hv, "w", 1, 1)); |
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h = SvNV (*hv_fetch (hv, "h", 1, 1)); |
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} |
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|
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glBindTexture (GL_TEXTURE_2D, name); |
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glBegin (GL_QUADS); |
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glTexCoord2d (0, 0); glVertex2d (x , y ); |
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glTexCoord2d (0, t); glVertex2d (x , y + h); |
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glTexCoord2d (s, t); glVertex2d (x + w, y + h); |
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glTexCoord2d (s, 0); glVertex2d (x + w, y ); |
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glEnd (); |
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} |
