2 #include "../gfxdevice.h"
3 #include "../gfxsource.h"
4 #include "../gfxtools.h"
5 #include "../gfximage.h"
6 #include "../devices/pdf.h"
7 #include "../readers/swf.h"
8 #include "../readers/image.h"
9 #include "../pdf/pdf.h"
13 #define RUBY_GFX_VERSION "0.9.0"
16 static VALUE Font, Glyph, Bitmap, Document, DocumentPage, PDFClass, SWFClass, ImageClass, Device;
19 typedef struct doc_internal {
21 gfxsource_t*driver; // filled by alloc
23 gfxfontlist_t*fontlist;
26 typedef struct page_internal {
31 typedef struct image_internal {
36 typedef struct font_internal {
42 typedef struct glyph_internal {
47 static gfxsource_t* pdfdriver = 0;
48 static gfxsource_t* imagedriver = 0;
49 static gfxsource_t* swfdriver = 0;
51 #define Get_Doc(doc,cls) doc_internal_t*doc=0;Data_Get_Struct(cls, doc_internal_t, doc);
52 #define Get_Page(page,cls) page_internal_t*page=0;Data_Get_Struct(cls, page_internal_t, page);
54 static VALUE doc_allocate(VALUE cls, gfxsource_t*driver);
55 static VALUE page_allocate(VALUE cls);
57 // ------------------------ documents ---------------------------------------
59 static VALUE doc_initialize(VALUE cls, VALUE _filename)
61 Check_Type(_filename, T_STRING);
63 const char*filename = StringValuePtr(_filename);
64 doc->fontlist = gfxfontlist_create();
65 doc->doc = pdfdriver->open(pdfdriver, filename);
69 static VALUE doc_num_pages(VALUE cls)
72 return INT2FIX(doc->doc->num_pages);
75 static VALUE doc_get_page(VALUE cls, VALUE _nr)
77 Check_Type(_nr, T_FIXNUM);
78 int nr = FIX2INT(_nr);
81 VALUE v = page_allocate(DocumentPage);
83 page->page = doc->doc->getpage(doc->doc, nr);
86 rb_raise(rb_eArgError, "No page %d in document", nr);
92 static VALUE doc_each_page(VALUE cls)
96 for(t=1;t<=doc->doc->num_pages;t++) {
97 VALUE v = page_allocate(DocumentPage);
99 page->page = doc->doc->getpage(doc->doc, t);
106 static void doc_mark(doc_internal_t*doc)
108 gfxfontlist_t*l = doc->fontlist;
111 rb_gc_mark((VALUE)l->user);
116 static void doc_free(doc_internal_t*doc)
118 gfxfontlist_free(doc->fontlist, 0);
119 doc->doc->destroy(doc->doc);
123 static VALUE doc_allocate(VALUE cls, gfxsource_t*driver)
125 doc_internal_t*doc = 0;
126 VALUE v = Data_Make_Struct(cls, doc_internal_t, doc_mark, doc_free, doc);
128 memset(doc, 0, sizeof(doc_internal_t));
129 doc->driver = driver;
133 static VALUE pdf_allocate(VALUE cls) {return doc_allocate(cls, pdfdriver);}
134 static VALUE swf_allocate(VALUE cls) {return doc_allocate(cls, swfdriver);}
135 static VALUE imgdrv_allocate(VALUE cls) {return doc_allocate(cls, imagedriver);}
137 // ------------------------ doc pages ---------------------------------------
139 static void page_free(page_internal_t*page)
143 page->page->destroy(page->page);
148 static void page_mark(page_internal_t*page)
150 rb_gc_mark(page->doc->self);
152 static VALUE page_allocate(VALUE cls)
154 page_internal_t*page = 0;
155 VALUE v = Data_Make_Struct(cls, page_internal_t, page_mark, page_free, page);
156 memset(page, 0, sizeof(page_internal_t));
159 static VALUE page_nr(VALUE cls)
162 return INT2FIX(page->page->nr);
164 static VALUE page_width(VALUE cls)
167 return INT2FIX(page->page->width);
169 static VALUE page_height(VALUE cls)
172 return INT2FIX(page->page->height);
175 // ------------------------ image -------------------------------------------
177 #define Get_Image(image,cls) image_internal_t*image=0;Data_Get_Struct(cls, image_internal_t, image);
179 static void image_free(image_internal_t*image)
183 static void image_mark(image_internal_t*image)
185 rb_gc_mark(image->doc->self);
187 static VALUE image_allocate(VALUE cls)
189 image_internal_t*image = 0;
190 VALUE v = Data_Make_Struct(cls, image_internal_t, image_mark, image_free, image);
191 memset(image, 0, sizeof(image_internal_t));
194 static VALUE image_width(VALUE cls)
197 return INT2FIX(image->image->width);
199 static VALUE image_height(VALUE cls)
202 return INT2FIX(image->image->height);
204 static VALUE image_rescale(VALUE cls, VALUE _width, VALUE _height)
207 Check_Type(_width, T_FIXNUM);
208 Check_Type(_height, T_FIXNUM);
209 int width = FIX2INT(_width);
210 int height = FIX2INT(_height);
211 volatile VALUE v_image2 = image_allocate(Bitmap);
212 Get_Image(image2,v_image2)
213 image2->doc = image->doc;
214 image2->image = gfximage_rescale(image->image, width, height);
217 static VALUE image_save_jpeg(VALUE cls, VALUE _filename, VALUE quality)
220 Check_Type(_filename, T_STRING);
221 Check_Type(quality, T_FIXNUM);
222 const char*filename = StringValuePtr(_filename);
223 gfximage_save_jpeg(image->image, filename, FIX2INT(quality));
226 static VALUE image_save_png(VALUE cls, VALUE _filename)
229 Check_Type(_filename, T_STRING);
230 const char*filename = StringValuePtr(_filename);
231 gfximage_save_png(image->image, filename);
234 VALUE convert_image(doc_internal_t*doc,gfximage_t*_image)
236 VALUE v = image_allocate(Bitmap);
238 image->image = _image;
242 void invalidate_image(VALUE v)
248 // ------------------------ glyphs ------------------------------------------
250 static VALUE convert_line(gfxline_t*line);
252 #define Get_Glyph(glyph,cls) glyph_internal_t*glyph=0;Data_Get_Struct(cls, glyph_internal_t, glyph);
254 static void glyph_free(glyph_internal_t*glyph)
259 static void glyph_mark(glyph_internal_t*glyph)
261 rb_gc_mark(glyph->font->self);
264 static VALUE glyph_allocate(VALUE cls)
266 glyph_internal_t*glyph = 0;
267 VALUE v = Data_Make_Struct(cls, glyph_internal_t, glyph_mark, glyph_free, glyph);
268 memset(glyph, 0, sizeof(glyph_internal_t));
272 static VALUE glyph_polygon(VALUE cls)
274 Get_Glyph(glyph,cls);
275 return convert_line(glyph->font->font->glyphs[glyph->nr].line);
278 static VALUE glyph_advance(VALUE cls)
280 Get_Glyph(glyph,cls);
281 return rb_float_new(glyph->font->font->glyphs[glyph->nr].advance);
284 static VALUE glyph_unicode(VALUE cls)
286 Get_Glyph(glyph,cls);
287 return INT2FIX(glyph->font->font->glyphs[glyph->nr].unicode);
290 // ------------------------ font --------------------------------------------
292 #define Get_Font(font,cls) font_internal_t*font=0;Data_Get_Struct(cls, font_internal_t, font);
294 static void font_mark(font_internal_t*font)
296 rb_gc_mark(font->glyph_array);
299 static void font_free(font_internal_t*font)
304 static VALUE font_allocate(VALUE cls)
306 font_internal_t*font = 0;
307 VALUE v = Data_Make_Struct(cls, font_internal_t, font_mark, font_free, font);
308 memset(font, 0, sizeof(font_internal_t));
313 static VALUE font_ascent(VALUE cls)
316 return rb_float_new(font->font->ascent);
319 static VALUE font_descent(VALUE cls)
322 return rb_float_new(font->font->descent);
325 static VALUE font_name(VALUE cls)
328 return rb_tainted_str_new2(font->font->id);
331 static VALUE font_glyphs(VALUE cls)
334 return font->glyph_array;
337 // ------------------------ gfx device --------------------------------------
339 typedef struct device_internal {
344 static ID id_setparameter = 0;
345 static ID id_startpage = 0;
346 static ID id_startclip = 0;
347 static ID id_endclip = 0;
348 static ID id_stroke = 0;
349 static ID id_fill = 0;
350 static ID id_fillbitmap = 0;
351 static ID id_fillgradient = 0;
352 static ID id_addfont = 0;
353 static ID id_drawchar = 0;
354 static ID id_drawlink = 0;
355 static ID id_endpage = 0;
356 static ID id_geterror = 0;
357 static ID id_finish = 0;
358 static ID id_butt = 0;
359 static ID id_round = 0;
360 static ID id_square = 0;
361 static ID id_bevel = 0;
362 static ID id_miter = 0;
363 static ID id_move = 0;
364 static ID id_line = 0;
365 static ID id_spline = 0;
366 static ID id_radial = 0;
367 static ID id_linear = 0;
369 static VALUE noop(int argc, VALUE *argv, VALUE obj) {return obj;}
371 #define forward(v,id,args...) rb_respond_to((v), (id))?rb_funcall((v), (id), args):0
373 VALUE convert_line(gfxline_t*line)
377 while(l) {l=l->next;len++;}
379 volatile VALUE array = rb_ary_new2(len);
385 if(l->type == gfx_moveTo) {
386 e = rb_ary_new3(3, ID2SYM(id_move), Qfalse, Qfalse);
387 rb_ary_store(array, pos, e);
388 rb_ary_store(e, 1, rb_float_new(l->x));
389 rb_ary_store(e, 2, rb_float_new(l->y));
390 } else if(l->type == gfx_lineTo) {
391 e = rb_ary_new3(3, ID2SYM(id_line), Qfalse, Qfalse);
392 rb_ary_store(array, pos, e);
393 rb_ary_store(e, 1, rb_float_new(l->x));
394 rb_ary_store(e, 2, rb_float_new(l->y));
396 e = rb_ary_new3(5, ID2SYM(id_spline), Qfalse, Qfalse, Qfalse, Qfalse);
397 rb_ary_store(array, pos, e);
398 rb_ary_store(e, 1, rb_float_new(l->x));
399 rb_ary_store(e, 2, rb_float_new(l->y));
400 rb_ary_store(e, 3, rb_float_new(l->sx));
401 rb_ary_store(e, 4, rb_float_new(l->sy));
408 VALUE convert_color(gfxcolor_t*color)
410 return rb_ary_new3(4, INT2FIX(color->a), INT2FIX(color->r), INT2FIX(color->g), INT2FIX(color->b));
412 VALUE convert_matrix(gfxmatrix_t*matrix)
414 volatile VALUE array = rb_ary_new2(3);
415 volatile VALUE a = rb_ary_new2(2);
416 rb_ary_store(array, 0, a);
417 rb_ary_store(a, 0, rb_float_new(matrix->m00));
418 rb_ary_store(a, 1, rb_float_new(matrix->m01));
420 rb_ary_store(array, 1, a);
421 rb_ary_store(a, 0, rb_float_new(matrix->m10));
422 rb_ary_store(a, 1, rb_float_new(matrix->m11));
424 rb_ary_store(array, 2, a);
425 rb_ary_store(a, 0, rb_float_new(matrix->tx));
426 rb_ary_store(a, 1, rb_float_new(matrix->ty));
429 static VALUE font_is_cached(device_internal_t*i, gfxfont_t*font)
431 return (VALUE)gfxfontlist_getuserdata(i->doc->fontlist, font->id);
433 static void cache_font(device_internal_t*i, gfxfont_t*font, VALUE v)
435 i->doc->fontlist = gfxfontlist_addfont2(i->doc->fontlist, font, (void*)v);
437 static VALUE convert_font(gfxfont_t*font)
439 volatile VALUE v2 = font_allocate(Font);
442 f->glyph_array = rb_ary_new2(font->num_glyphs);
445 for(t=0;t<font->num_glyphs;t++) {
446 volatile VALUE a = glyph_allocate(Glyph);
447 rb_ary_store(f->glyph_array, t, a);
455 device_internal_t*i = (device_internal_t*)dev->internal; \
457 int rb_setparameter(gfxdevice_t*dev, const char*key, const char*value)
460 volatile VALUE v_key = rb_tainted_str_new2(key);
461 volatile VALUE v_value = rb_tainted_str_new2(value);
462 VALUE ret = forward(v,id_setparameter,2,v_key,v_value);
465 void rb_startpage(gfxdevice_t*dev, int width, int height)
468 VALUE ret = forward(v,id_startpage,2,INT2FIX(width),INT2FIX(height));
470 void rb_startclip(gfxdevice_t*dev, gfxline_t*line)
473 volatile VALUE v_line = convert_line(line);
474 VALUE ret = forward(v,id_startclip,1,v_line);
476 void rb_endclip(gfxdevice_t*dev)
479 VALUE ret = forward(v,id_endclip,0);
481 void rb_stroke(gfxdevice_t*dev, gfxline_t*line, gfxcoord_t width, gfxcolor_t*color, gfx_capType cap_style, gfx_joinType joint_style, gfxcoord_t miterLimit)
486 if(cap_style == gfx_capButt) cap = id_butt;
487 else if(cap_style == gfx_capRound) cap = id_round;
488 else if(cap_style == gfx_capSquare) cap = id_square;
491 if(joint_style == gfx_joinRound) joint = id_round;
492 else if(joint_style == gfx_joinMiter) joint = id_miter;
493 else if(joint_style == gfx_joinBevel) joint = id_bevel;
495 volatile VALUE v_line = convert_line(line);
496 volatile VALUE v_width = rb_float_new(width);
497 volatile VALUE v_color = convert_color(color);
498 volatile VALUE v_miter = rb_float_new(miterLimit);
499 forward(v, id_stroke, 6, v_line, v_width, v_color, ID2SYM(cap), ID2SYM(joint), v_miter);
501 void rb_fill(gfxdevice_t*dev, gfxline_t*line, gfxcolor_t*color)
505 volatile VALUE v_line = convert_line(line);
506 volatile VALUE v_color = convert_color(color);
507 forward(v, id_fill, 2, v_line, v_color);
509 void rb_fillbitmap(gfxdevice_t*dev, gfxline_t*line, gfximage_t*img, gfxmatrix_t*matrix, gfxcxform_t*cxform)
512 volatile VALUE v_image = convert_image(i->doc, img);
513 volatile VALUE v_line = convert_line(line);
514 volatile VALUE v_matrix = convert_matrix(matrix);
515 forward(v, id_fillbitmap, 4, v_line, v_image, v_matrix, Qnil);
516 invalidate_image(v_image);
518 void rb_fillgradient(gfxdevice_t*dev, gfxline_t*line, gfxgradient_t*gradient, gfxgradienttype_t type, gfxmatrix_t*matrix)
521 ID typeid = (type == gfxgradient_linear)? id_linear : id_radial;
523 volatile VALUE v_line = convert_line(line);
524 volatile VALUE v_matrix = convert_matrix(matrix);
525 volatile VALUE v_gradient = convert_gradient(gradient);
526 forward(v, id_fillgradient, 4, v_line, v_gradient, ID2SYM(typeid), v_matrix);
528 void rb_addfont(gfxdevice_t*dev, gfxfont_t*font)
532 volatile VALUE f = font_is_cached(i, font);
533 if(!f) {f=convert_font(font);cache_font(i,font,f);}
535 forward(v, id_addfont, 1, f);
537 void rb_drawchar(gfxdevice_t*dev, gfxfont_t*font, int glyphnr, gfxcolor_t*color, gfxmatrix_t*matrix)
540 volatile VALUE f = font_is_cached(i, font);
541 if(!f) {f=convert_font(font);cache_font(i,font,f);}
543 volatile VALUE v_color = convert_color(color);
544 volatile VALUE v_matrix = convert_matrix(matrix);
545 forward(v, id_drawchar, 4, f, INT2FIX(glyphnr), v_color, v_matrix);
547 void rb_drawlink(gfxdevice_t*dev, gfxline_t*line, const char*action)
550 volatile VALUE v_line = convert_line(line);
551 volatile VALUE v_action = rb_tainted_str_new2(action);
552 forward(v, id_drawlink, v_line, v_action);
554 void rb_endpage(gfxdevice_t*dev)
557 forward(v, id_endpage, 0);
559 gfxresult_t* rb_finish(gfxdevice_t*dev)
562 VALUE ret = forward(v, id_endpage, 0);
563 gfxresult_t*r = (gfxresult_t*)rfx_calloc(sizeof(gfxresult_t));
564 r->internal = (void*)(ptroff_t)ret;
568 static VALUE page_render(VALUE cls, VALUE device)
570 Check_Type(device, T_OBJECT);
579 dev.setparameter = rb_setparameter;
580 dev.startpage = rb_startpage;
581 dev.startclip = rb_startclip;
582 dev.endclip = rb_endclip;
583 dev.stroke = rb_stroke;
585 dev.fillbitmap = rb_fillbitmap;
586 dev.fillgradient = rb_fillgradient;
587 dev.addfont = rb_addfont;
588 dev.drawchar = rb_drawchar;
589 dev.drawlink = rb_drawlink;
590 dev.endpage = rb_endpage;
591 dev.finish = rb_finish;
593 dev.startpage(&dev, page->page->width, page->page->height);
594 page->page->render(page->page, &dev);
600 // ---------------------- global functions ----------------------------------
602 VALUE gfx_setparameter(VALUE module, VALUE _key, VALUE _value)
604 Check_Type(_key, T_STRING);
605 Check_Type(_value, T_STRING);
606 const char*key = StringValuePtr(_key);
607 const char*value = StringValuePtr(_value);
608 pdfdriver->setparameter(pdfdriver, key, value);
609 swfdriver->setparameter(swfdriver, key, value);
610 imagedriver->setparameter(imagedriver, key, value);
614 // --------------------------------------------------------------------------
618 initLog(0,0,0,0,0,2);
619 pdfdriver = gfxsource_pdf_create();
620 swfdriver = gfxsource_swf_create();
621 imagedriver = gfxsource_image_create();
623 GFX = rb_define_module("GFX");
625 rb_define_module_function(GFX, "setparameter", gfx_setparameter, 2);
627 DocumentPage = rb_define_class_under(GFX, "DocumentPage", rb_cObject);
628 rb_define_method(DocumentPage, "width", page_width, 0);
629 rb_define_method(DocumentPage, "height", page_height, 0);
630 rb_define_method(DocumentPage, "nr", page_nr, 0);
631 rb_define_method(DocumentPage, "render", page_render, 1);
633 Document = rb_define_class_under(GFX, "Document", rb_cObject);
634 rb_define_method(Document, "initialize", doc_initialize, 1);
635 rb_define_method(Document, "page", doc_get_page, 1);
636 rb_define_method(Document, "each_page", doc_each_page, 0);
638 Bitmap = rb_define_class_under(GFX, "Bitmap", rb_cObject);
639 rb_define_method(Bitmap, "save_jpeg", image_save_jpeg, 2);
640 rb_define_method(Bitmap, "save_png", image_save_png, 1);
641 rb_define_method(Bitmap, "width", image_width, 0);
642 rb_define_method(Bitmap, "height", image_height, 0);
643 rb_define_method(Bitmap, "rescale", image_rescale, 2);
645 Glyph = rb_define_class_under(GFX, "Glyph", rb_cObject);
646 rb_define_method(Glyph, "polygon", glyph_polygon, 0);
647 rb_define_method(Glyph, "unicode", glyph_unicode, 0);
648 rb_define_method(Glyph, "advance", glyph_advance, 0);
650 Font = rb_define_class_under(GFX, "Font", rb_cObject);
651 rb_define_method(Font, "name", font_name, 0);
652 rb_define_method(Font, "ascent", font_ascent, 0);
653 rb_define_method(Font, "descent", font_descent, 0);
654 rb_define_method(Font, "glyphs", font_glyphs, 0);
656 Device = rb_define_class_under(GFX, "Device", rb_cObject);
657 rb_define_method(Device, "startpage", noop, -1);
658 rb_define_method(Device, "endpage", noop, -1);
659 rb_define_method(Device, "startclip", noop, -1);
660 rb_define_method(Device, "endclip", noop, -1);
661 rb_define_method(Device, "stroke", noop, -1);
662 rb_define_method(Device, "fill", noop, -1);
663 rb_define_method(Device, "fillbitmap", noop, -1);
664 rb_define_method(Device, "fillgradient", noop, -1);
665 rb_define_method(Device, "addfont", noop, -1);
666 rb_define_method(Device, "drawchar", noop, -1);
667 rb_define_method(Device, "drawlink", noop, -1);
668 rb_define_method(Device, "endpage", noop, -1);
670 PDFClass = rb_define_class_under(GFX, "PDF", Document);
671 rb_define_alloc_func(PDFClass, pdf_allocate);
673 SWFClass = rb_define_class_under(GFX, "SWF", Document);
674 rb_define_alloc_func(SWFClass, swf_allocate);
676 ImageClass = rb_define_class_under(GFX, "ImageRead", Document);
677 rb_define_alloc_func(ImageClass, imgdrv_allocate);
679 id_setparameter = rb_intern("setparameter");
680 id_startpage = rb_intern("startpage") ;
681 id_startclip = rb_intern("startclip") ;
682 id_endclip = rb_intern("endclip") ;
683 id_stroke = rb_intern("stroke") ;
684 id_fill = rb_intern("fill") ;
685 id_fillbitmap = rb_intern("fillbitmap") ;
686 id_fillgradient = rb_intern("fillgradient") ;
687 id_addfont = rb_intern("addfont") ;
688 id_drawchar = rb_intern("drawchar") ;
689 id_drawlink = rb_intern("drawlink") ;
690 id_endpage = rb_intern("endpage") ;
691 id_geterror = rb_intern("geterror") ;
692 id_finish = rb_intern("finish") ;
693 id_butt = rb_intern("butt");
694 id_round = rb_intern("round");
695 id_square = rb_intern("square");
696 id_miter = rb_intern("miter");
697 id_bevel = rb_intern("bevel");
698 id_move = rb_intern("move");
699 id_line = rb_intern("line");
700 id_spline = rb_intern("spline");
701 id_radial = rb_intern("radial");
702 id_linear = rb_intern("linear");