3 Part of the swftools package.
5 Copyright (c) 2007 Matthias Kramm <kramm@quiss.org>
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
33 #include "../gfxdevice.h"
34 #include "../gfxtools.h"
36 typedef struct _internal {
39 gfxfontlist_t*fontlist;
42 int pdf_setparameter(gfxdevice_t*dev, const char*key, const char*value)
44 internal_t*i = (internal_t*)dev->internal;
48 void pdf_startpage(gfxdevice_t*dev, int width, int height)
50 internal_t*i = (internal_t*)dev->internal;
53 i->tempfile = strdup(mktempname(0));
54 PDF_open_file(i->p, i->tempfile);
55 PDF_set_parameter(i->p, "usercoordinates", "true");
56 PDF_set_parameter(i->p, "topdown", "true");
59 PDF_begin_page(i->p, width, height);
60 PDF_set_parameter(i->p, "fillrule", "evenodd");
63 static int mkline(gfxline_t*line, PDF*p)
68 if(line->type == gfx_moveTo) {
69 PDF_moveto(p, line->x, line->y);
70 } else if(line->type == gfx_lineTo) {
71 PDF_lineto(p, line->x, line->y);
74 /* when converting a quadratic bezier to a cubic bezier, the
75 two new control points are both 2/3 the way from the
76 endpoints to the old control point */
77 double c1x = (x + line->sx*2)/3;
78 double c1y = (y + line->sy*2)/3;
79 double c2x = (line->x + line->sx*2)/3;
80 double c2y = (line->y + line->sy*2)/3;
81 PDF_curveto(p, c1x, c1y, c2x, c2y, line->x, line->y);
91 void pdf_startclip(gfxdevice_t*dev, gfxline_t*line)
93 internal_t*i = (internal_t*)dev->internal;
95 if(mkline(line, i->p))
98 ; // TODO: strictly speaking, an empty clip clears everything
101 void pdf_endclip(gfxdevice_t*dev)
103 internal_t*i = (internal_t*)dev->internal;
106 void pdf_stroke(gfxdevice_t*dev, gfxline_t*line, gfxcoord_t width, gfxcolor_t*color, gfx_capType cap_style, gfx_joinType joint_style, gfxcoord_t miterLimit)
108 internal_t*i = (internal_t*)dev->internal;
109 PDF_setlinewidth(i->p, width);
110 PDF_setlinecap(i->p, cap_style==gfx_capButt?0:(cap_style==gfx_capRound?1:2));
111 PDF_setlinejoin(i->p, joint_style==gfx_joinMiter?0:(joint_style==gfx_joinRound?1:2));
112 PDF_setrgbcolor_stroke(i->p, color->r/255.0, color->g/255.0, color->b/255.0);
113 if(joint_style==gfx_joinMiter)
114 PDF_setmiterlimit(i->p, miterLimit);
115 if(mkline(line, i->p))
119 void pdf_fill(gfxdevice_t*dev, gfxline_t*line, gfxcolor_t*color)
121 internal_t*i = (internal_t*)dev->internal;
122 PDF_setrgbcolor_fill(i->p, color->r/255.0, color->g/255.0, color->b/255.0);
124 if(mkline(line, i->p)) {
129 void pdf_fillbitmap(gfxdevice_t*dev, gfxline_t*line, gfximage_t*img, gfxmatrix_t*matrix, gfxcxform_t*cxform)
131 internal_t*i = (internal_t*)dev->internal;
133 double l1 = sqrt(matrix->m00*matrix->m00+matrix->m01*matrix->m01)*img->width;
134 double l2 = sqrt(matrix->m10*matrix->m10+matrix->m11*matrix->m11)*img->height;
135 double r = atan2(matrix->m01, matrix->m00);
137 /* fit_image needs the lower left corner of the image */
138 double x = matrix->tx + matrix->m10*img->height;
139 double y = matrix->ty + matrix->m11*img->height;
141 char*tempfile = mktempname(0);
143 sprintf(options, "boxsize {%f %f} fitmethod meet rotate %f", l1, l2, r*180/M_PI);
144 gfximage_save_jpeg(img, tempfile, 99);
145 int imgid = PDF_load_image(i->p, "jpeg", tempfile, 0, "");
146 PDF_fit_image(i->p, imgid, x, y, options);
149 void pdf_fillgradient(gfxdevice_t*dev, gfxline_t*line, gfxgradient_t*gradient, gfxgradienttype_t type, gfxmatrix_t*matrix)
151 internal_t*i = (internal_t*)dev->internal;
154 static char type3 = 1;
156 void pdf_addfont(gfxdevice_t*dev, gfxfont_t*font)
158 internal_t*i = (internal_t*)dev->internal;
162 if(!gfxfontlist_hasfont(i->fontlist, font)) {
164 static int fontnr = 1;
166 sprintf(fontname, "font%d", fontnr++);
167 int l = strlen(fontname);
171 fontname2[t*2+0] = fontname[t];
172 fontname2[t*2+1] = 0;
175 PDF_begin_font(i->p, fontname2, l*2, 1.0, 0.0, 0.0, 1.0, 0.0, 0.0, "");
176 int num = font->num_glyphs<256-32?font->num_glyphs:256-32;
178 gfxglyph_t*g = &font->glyphs[t];
179 gfxbbox_t bbox = gfxline_getbbox(g->line);
181 sprintf(name, "chr%d", t+32);
182 PDF_encoding_set_char(i->p, fontname, t+32, name, 0);
183 PDF_begin_glyph(i->p, name, g->advance, bbox.xmin, bbox.ymin, bbox.xmax, bbox.ymax);
184 if(mkline(g->line, i->p))
189 fontid = PDF_load_font(i->p, fontname2, l*2, fontname, "");
191 i->fontlist = gfxfontlist_addfont2(i->fontlist, font, (void*)(ptroff_t)fontid);
196 void pdf_drawchar(gfxdevice_t*dev, gfxfont_t*font, int glyphnr, gfxcolor_t*color, gfxmatrix_t*matrix)
198 internal_t*i = (internal_t*)dev->internal;
203 gfxglyph_t*glyph = &font->glyphs[glyphnr];
204 PDF_setrgbcolor_fill(i->p, color->r/255.0, color->g/255.0, color->b/255.0);
206 if(!type3) as_shape=1;
207 if(glyphnr>256-32) as_shape=1;
208 gfxmatrix_dump(matrix, stdout, "");
209 if(fabs(matrix->m00 + matrix->m11) > 0.01) as_shape=1;
210 if(fabs(fabs(matrix->m01) + fabs(matrix->m10)) > 0.01) as_shape=1;
213 gfxline_t*line2 = gfxline_clone(glyph->line);
214 gfxline_transform(line2, matrix);
215 if(mkline(line2, i->p)) {
220 assert(gfxfontlist_hasfont(i->fontlist, font));
221 int fontid = (int)(ptroff_t)gfxfontlist_getuserdata(i->fontlist, font->id);
222 PDF_setfont(i->p, fontid, matrix->m00);
224 sprintf(name, "%c\0", glyphnr+32);
225 PDF_show_xy2(i->p, name, strlen(name), matrix->tx, matrix->ty);
230 void pdf_drawlink(gfxdevice_t*dev, gfxline_t*line, const char*action)
232 internal_t*i = (internal_t*)dev->internal;
235 void pdf_endpage(gfxdevice_t*dev)
237 internal_t*i = (internal_t*)dev->internal;
241 typedef struct pdfresult_internal {
243 } pdfresult_internal_t;
245 void pdfresult_destroy(gfxresult_t*gfx)
247 pdfresult_internal_t*i = (pdfresult_internal_t*)gfx->internal;
249 free(gfx->internal);gfx->internal = 0;
253 int pdfresult_save(gfxresult_t*gfx, const char*filename)
255 pdfresult_internal_t*i = (pdfresult_internal_t*)gfx->internal;
256 FILE*fi = fopen(i->tempfile, "rb");
257 FILE*fo = fopen(filename, "wb");
264 while((size = fread(buffer, 1, 4096, fi))) {
265 fwrite(buffer, 1, size, fo);
272 void* pdfresult_get(gfxresult_t*gfx, const char*name)
277 gfxresult_t* pdf_finish(gfxdevice_t*dev)
279 internal_t*i = (internal_t*)dev->internal;
284 gfxresult_t*result = (gfxresult_t*)malloc(sizeof(gfxresult_t));
285 memset(result, 0, sizeof(gfxresult_t));
286 result->save = pdfresult_save;
287 result->get = pdfresult_get;
288 result->destroy = pdfresult_destroy;
289 result->internal = 0;
290 result->internal = malloc(sizeof(pdfresult_internal_t));
291 pdfresult_internal_t*ri = (pdfresult_internal_t*)result->internal;
292 ri->tempfile = i->tempfile;i->tempfile=0;
293 free(dev->internal);dev->internal = 0;i=0;
297 void gfxdevice_pdf_init(gfxdevice_t*dev)
299 internal_t*i = (internal_t*)rfx_calloc(sizeof(internal_t));
300 memset(dev, 0, sizeof(gfxdevice_t));
306 dev->setparameter = pdf_setparameter;
307 dev->startpage = pdf_startpage;
308 dev->startclip = pdf_startclip;
309 dev->endclip = pdf_endclip;
310 dev->stroke = pdf_stroke;
311 dev->fill = pdf_fill;
312 dev->fillbitmap = pdf_fillbitmap;
313 dev->fillgradient = pdf_fillgradient;
314 dev->addfont = pdf_addfont;
315 dev->drawchar = pdf_drawchar;
316 dev->drawlink = pdf_drawlink;
317 dev->endpage = pdf_endpage;
318 dev->finish = pdf_finish;