+/* remove_font_transform.c
+
+ Part of the swftools package.
+
+ Copyright (c) 2010 Matthias Kramm <kramm@quiss.org>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
+
+#include <stdlib.h>
+#include <memory.h>
+#include "../gfxfilter.h"
+#include "../gfxtools.h"
+#include "../gfxfont.h"
+#include "../types.h"
+#include "../mem.h"
+
+typedef struct _internal {
+ gfxfontlist_t*fonts;
+ gfxfont_t*font;
+ int num_glyphs;
+} internal_t;
+
+typedef struct _fontdata {
+ gfxfont_t*font;
+ int start;
+} fontdata_t;
+
+static void pass1_drawchar(gfxfilter_t*f, gfxfont_t*font, int glyphnr, gfxcolor_t*color, gfxmatrix_t*matrix, gfxdevice_t*out)
+{
+ internal_t*i = (internal_t*)f->internal;
+ fontdata_t*d = gfxfontlist_getuserdata(i->fonts, font->id);
+ if(!d) {
+ d = rfx_calloc(sizeof(fontdata_t));
+ d->font = font;
+ d->start = i->num_glyphs;
+ i->num_glyphs += font->num_glyphs;
+ i->fonts = gfxfontlist_addfont2(i->fonts, font, d);
+ }
+ out->drawchar(out, font, glyphnr, color, matrix);
+}
+static gfxresult_t*pass1_finish(gfxfilter_t*f, gfxdevice_t*out)
+{
+ internal_t*i = (internal_t*)f->internal;
+ gfxfont_t*font = i->font = rfx_calloc(sizeof(gfxfont_t));
+ font->id = strdup("onebigfont");
+ font->num_glyphs = i->num_glyphs;
+ font->glyphs = rfx_calloc(sizeof(gfxglyph_t)*i->num_glyphs);
+ gfxfontlist_t*l = i->fonts;
+ while(l) {
+ gfxfont_t*old = l->font;
+ fontdata_t*d = l->user;
+ memcpy(font->glyphs + d->start, old->glyphs, sizeof(gfxglyph_t)*old->num_glyphs);
+ if(old->ascent > font->ascent)
+ font->ascent = old->ascent;
+ if(old->descent > font->descent)
+ font->descent = old->descent;
+ l = l->next;
+ }
+ gfxfont_fix_unicode(font);
+ return out->finish(out);
+}
+
+static void pass2_addfont(gfxfilter_t*f, gfxfont_t*font, gfxdevice_t*out)
+{
+ internal_t*i = (internal_t*)f->internal;
+ out->addfont(out, i->font);
+}
+static void pass2_drawchar(gfxfilter_t*f, gfxfont_t*font, int glyphnr, gfxcolor_t*color, gfxmatrix_t*matrix, gfxdevice_t*out)
+{
+ internal_t*i = (internal_t*)f->internal;
+ fontdata_t*d = gfxfontlist_getuserdata(i->fonts, font->id);
+ out->drawchar(out, i->font, glyphnr + d->start, color, matrix);
+}
+static gfxresult_t*pass2_finish(gfxfilter_t*f, gfxdevice_t*out)
+{
+ internal_t*i = (internal_t*)f->internal;
+ // clean up
+ gfxfontlist_t*l = i->fonts;
+ while(l) {
+ free(l->user);l->user=0;
+ l=l->next;
+ }
+ gfxfontlist_free(i->fonts, 0);i->fonts=0;
+ return out->finish(out);
+}
+
+void gfxtwopassfilter_one_big_font_init(gfxtwopassfilter_t*f)
+{
+ internal_t*i = (internal_t*)rfx_calloc(sizeof(internal_t));
+
+ memset(f, 0, sizeof(gfxtwopassfilter_t));
+ f->type = gfxfilter_twopass;
+
+ f->pass1.name = "filter \"one big font\" pass 1";
+ f->pass1.drawchar = pass1_drawchar;
+ f->pass1.finish = pass1_finish;
+ f->pass1.internal = i;
+
+ f->pass2.name = "filter \"one big font\" pass 2";
+ f->pass2.addfont = pass2_addfont;
+ f->pass2.drawchar = pass2_drawchar;
+ f->pass2.finish = pass2_finish;
+ f->pass2.internal = i;
+}
+