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_bbox(VALUE cls)
286 Get_Glyph(glyph,cls);
287 gfxbbox_t bbox = gfxline_getbbox(glyph->font->font->glyphs[glyph->nr].line);
288 return rb_ary_new3(4, rb_float_new(bbox.xmin),
289 rb_float_new(bbox.ymin),
290 rb_float_new(bbox.xmax),
291 rb_float_new(bbox.ymax));
294 static VALUE glyph_unicode(VALUE cls)
296 Get_Glyph(glyph,cls);
297 return INT2FIX(glyph->font->font->glyphs[glyph->nr].unicode);
300 // ------------------------ font --------------------------------------------
302 #define Get_Font(font,cls) font_internal_t*font=0;Data_Get_Struct(cls, font_internal_t, font);
304 static void font_mark(font_internal_t*font)
306 rb_gc_mark(font->glyph_array);
309 static void font_free(font_internal_t*font)
314 static VALUE font_allocate(VALUE cls)
316 font_internal_t*font = 0;
317 VALUE v = Data_Make_Struct(cls, font_internal_t, font_mark, font_free, font);
318 memset(font, 0, sizeof(font_internal_t));
323 static VALUE font_ascent(VALUE cls)
326 return rb_float_new(font->font->ascent);
329 static VALUE font_descent(VALUE cls)
332 return rb_float_new(font->font->descent);
335 static VALUE font_name(VALUE cls)
338 return rb_tainted_str_new2(font->font->id);
341 static VALUE font_glyphs(VALUE cls)
344 return font->glyph_array;
347 // ------------------------ gfx device --------------------------------------
349 typedef struct device_internal {
354 static ID id_setparameter = 0;
355 static ID id_startpage = 0;
356 static ID id_startclip = 0;
357 static ID id_endclip = 0;
358 static ID id_stroke = 0;
359 static ID id_fill = 0;
360 static ID id_fillbitmap = 0;
361 static ID id_fillgradient = 0;
362 static ID id_addfont = 0;
363 static ID id_drawchar = 0;
364 static ID id_drawlink = 0;
365 static ID id_endpage = 0;
366 static ID id_geterror = 0;
367 static ID id_finish = 0;
368 static ID id_butt = 0;
369 static ID id_round = 0;
370 static ID id_square = 0;
371 static ID id_bevel = 0;
372 static ID id_miter = 0;
373 static ID id_move = 0;
374 static ID id_line = 0;
375 static ID id_spline = 0;
376 static ID id_radial = 0;
377 static ID id_linear = 0;
379 static VALUE noop(int argc, VALUE *argv, VALUE obj) {return obj;}
381 #define forward(v,id,args...) rb_respond_to((v), (id))?rb_funcall((v), (id), args):0
383 VALUE convert_line(gfxline_t*line)
387 while(l) {l=l->next;len++;}
389 volatile VALUE array = rb_ary_new2(len);
395 if(l->type == gfx_moveTo) {
396 e = rb_ary_new3(3, ID2SYM(id_move), 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 } else if(l->type == gfx_lineTo) {
401 e = rb_ary_new3(3, ID2SYM(id_line), Qfalse, Qfalse);
402 rb_ary_store(array, pos, e);
403 rb_ary_store(e, 1, rb_float_new(l->x));
404 rb_ary_store(e, 2, rb_float_new(l->y));
406 e = rb_ary_new3(5, ID2SYM(id_spline), Qfalse, Qfalse, Qfalse, Qfalse);
407 rb_ary_store(array, pos, e);
408 rb_ary_store(e, 1, rb_float_new(l->x));
409 rb_ary_store(e, 2, rb_float_new(l->y));
410 rb_ary_store(e, 3, rb_float_new(l->sx));
411 rb_ary_store(e, 4, rb_float_new(l->sy));
418 VALUE convert_color(gfxcolor_t*color)
420 return rb_ary_new3(4, INT2FIX(color->a), INT2FIX(color->r), INT2FIX(color->g), INT2FIX(color->b));
422 VALUE convert_matrix(gfxmatrix_t*matrix)
424 volatile VALUE array = rb_ary_new2(3);
425 volatile VALUE a = rb_ary_new2(2);
426 rb_ary_store(array, 0, a);
427 rb_ary_store(a, 0, rb_float_new(matrix->m00));
428 rb_ary_store(a, 1, rb_float_new(matrix->m01));
430 rb_ary_store(array, 1, a);
431 rb_ary_store(a, 0, rb_float_new(matrix->m10));
432 rb_ary_store(a, 1, rb_float_new(matrix->m11));
434 rb_ary_store(array, 2, a);
435 rb_ary_store(a, 0, rb_float_new(matrix->tx));
436 rb_ary_store(a, 1, rb_float_new(matrix->ty));
439 static VALUE font_is_cached(device_internal_t*i, gfxfont_t*font)
441 return (VALUE)gfxfontlist_getuserdata(i->doc->fontlist, font->id);
443 static void cache_font(device_internal_t*i, gfxfont_t*font, VALUE v)
445 i->doc->fontlist = gfxfontlist_addfont2(i->doc->fontlist, font, (void*)v);
447 static VALUE convert_font(gfxfont_t*font)
449 volatile VALUE v2 = font_allocate(Font);
452 f->glyph_array = rb_ary_new2(font->num_glyphs);
455 for(t=0;t<font->num_glyphs;t++) {
456 volatile VALUE a = glyph_allocate(Glyph);
457 rb_ary_store(f->glyph_array, t, a);
465 device_internal_t*i = (device_internal_t*)dev->internal; \
467 int rb_setparameter(gfxdevice_t*dev, const char*key, const char*value)
470 volatile VALUE v_key = rb_tainted_str_new2(key);
471 volatile VALUE v_value = rb_tainted_str_new2(value);
472 VALUE ret = forward(v,id_setparameter,2,v_key,v_value);
475 void rb_startpage(gfxdevice_t*dev, int width, int height)
478 VALUE ret = forward(v,id_startpage,2,INT2FIX(width),INT2FIX(height));
480 void rb_startclip(gfxdevice_t*dev, gfxline_t*line)
483 volatile VALUE v_line = convert_line(line);
484 VALUE ret = forward(v,id_startclip,1,v_line);
486 void rb_endclip(gfxdevice_t*dev)
489 VALUE ret = forward(v,id_endclip,0);
491 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)
496 if(cap_style == gfx_capButt) cap = id_butt;
497 else if(cap_style == gfx_capRound) cap = id_round;
498 else if(cap_style == gfx_capSquare) cap = id_square;
501 if(joint_style == gfx_joinRound) joint = id_round;
502 else if(joint_style == gfx_joinMiter) joint = id_miter;
503 else if(joint_style == gfx_joinBevel) joint = id_bevel;
505 volatile VALUE v_line = convert_line(line);
506 volatile VALUE v_width = rb_float_new(width);
507 volatile VALUE v_color = convert_color(color);
508 volatile VALUE v_miter = rb_float_new(miterLimit);
509 forward(v, id_stroke, 6, v_line, v_width, v_color, ID2SYM(cap), ID2SYM(joint), v_miter);
511 void rb_fill(gfxdevice_t*dev, gfxline_t*line, gfxcolor_t*color)
515 volatile VALUE v_line = convert_line(line);
516 volatile VALUE v_color = convert_color(color);
517 forward(v, id_fill, 2, v_line, v_color);
519 void rb_fillbitmap(gfxdevice_t*dev, gfxline_t*line, gfximage_t*img, gfxmatrix_t*matrix, gfxcxform_t*cxform)
522 volatile VALUE v_image = convert_image(i->doc, img);
523 volatile VALUE v_line = convert_line(line);
524 volatile VALUE v_matrix = convert_matrix(matrix);
525 forward(v, id_fillbitmap, 4, v_line, v_image, v_matrix, Qnil);
526 invalidate_image(v_image);
528 void rb_fillgradient(gfxdevice_t*dev, gfxline_t*line, gfxgradient_t*gradient, gfxgradienttype_t type, gfxmatrix_t*matrix)
531 ID typeid = (type == gfxgradient_linear)? id_linear : id_radial;
533 volatile VALUE v_line = convert_line(line);
534 volatile VALUE v_matrix = convert_matrix(matrix);
535 volatile VALUE v_gradient = convert_gradient(gradient);
536 forward(v, id_fillgradient, 4, v_line, v_gradient, ID2SYM(typeid), v_matrix);
538 void rb_addfont(gfxdevice_t*dev, gfxfont_t*font)
542 volatile VALUE f = font_is_cached(i, font);
543 if(!f) {f=convert_font(font);cache_font(i,font,f);}
545 forward(v, id_addfont, 1, f);
547 void rb_drawchar(gfxdevice_t*dev, gfxfont_t*font, int glyphnr, gfxcolor_t*color, gfxmatrix_t*matrix)
550 volatile VALUE f = font_is_cached(i, font);
551 if(!f) {f=convert_font(font);cache_font(i,font,f);}
553 volatile VALUE v_color = convert_color(color);
554 volatile VALUE v_matrix = convert_matrix(matrix);
555 forward(v, id_drawchar, 4, f, INT2FIX(glyphnr), v_color, v_matrix);
557 void rb_drawlink(gfxdevice_t*dev, gfxline_t*line, const char*action)
560 volatile VALUE v_line = convert_line(line);
561 volatile VALUE v_action = rb_tainted_str_new2(action);
562 forward(v, id_drawlink, v_line, v_action);
564 void rb_endpage(gfxdevice_t*dev)
567 forward(v, id_endpage, 0);
569 gfxresult_t* rb_finish(gfxdevice_t*dev)
572 VALUE ret = forward(v, id_endpage, 0);
573 gfxresult_t*r = (gfxresult_t*)rfx_calloc(sizeof(gfxresult_t));
574 r->internal = (void*)(ptroff_t)ret;
578 static VALUE page_render(VALUE cls, VALUE device)
580 Check_Type(device, T_OBJECT);
589 dev.setparameter = rb_setparameter;
590 dev.startpage = rb_startpage;
591 dev.startclip = rb_startclip;
592 dev.endclip = rb_endclip;
593 dev.stroke = rb_stroke;
595 dev.fillbitmap = rb_fillbitmap;
596 dev.fillgradient = rb_fillgradient;
597 dev.addfont = rb_addfont;
598 dev.drawchar = rb_drawchar;
599 dev.drawlink = rb_drawlink;
600 dev.endpage = rb_endpage;
601 dev.finish = rb_finish;
603 dev.startpage(&dev, page->page->width, page->page->height);
604 page->page->render(page->page, &dev);
610 // ---------------------- global functions ----------------------------------
612 VALUE gfx_setparameter(VALUE module, VALUE _key, VALUE _value)
614 Check_Type(_key, T_STRING);
615 Check_Type(_value, T_STRING);
616 const char*key = StringValuePtr(_key);
617 const char*value = StringValuePtr(_value);
618 pdfdriver->setparameter(pdfdriver, key, value);
619 swfdriver->setparameter(swfdriver, key, value);
620 imagedriver->setparameter(imagedriver, key, value);
624 // --------------------------------------------------------------------------
628 initLog(0,0,0,0,0,2);
629 pdfdriver = gfxsource_pdf_create();
630 swfdriver = gfxsource_swf_create();
631 imagedriver = gfxsource_image_create();
633 GFX = rb_define_module("GFX");
635 rb_define_module_function(GFX, "setparameter", gfx_setparameter, 2);
637 DocumentPage = rb_define_class_under(GFX, "DocumentPage", rb_cObject);
638 rb_define_method(DocumentPage, "width", page_width, 0);
639 rb_define_method(DocumentPage, "height", page_height, 0);
640 rb_define_method(DocumentPage, "nr", page_nr, 0);
641 rb_define_method(DocumentPage, "render", page_render, 1);
643 Document = rb_define_class_under(GFX, "Document", rb_cObject);
644 rb_define_method(Document, "initialize", doc_initialize, 1);
645 rb_define_method(Document, "page", doc_get_page, 1);
646 rb_define_method(Document, "each_page", doc_each_page, 0);
648 Bitmap = rb_define_class_under(GFX, "Bitmap", rb_cObject);
649 rb_define_method(Bitmap, "save_jpeg", image_save_jpeg, 2);
650 rb_define_method(Bitmap, "save_png", image_save_png, 1);
651 rb_define_method(Bitmap, "width", image_width, 0);
652 rb_define_method(Bitmap, "height", image_height, 0);
653 rb_define_method(Bitmap, "rescale", image_rescale, 2);
655 Glyph = rb_define_class_under(GFX, "Glyph", rb_cObject);
656 rb_define_method(Glyph, "polygon", glyph_polygon, 0);
657 rb_define_method(Glyph, "unicode", glyph_unicode, 0);
658 rb_define_method(Glyph, "advance", glyph_advance, 0);
659 rb_define_method(Glyph, "bbox", glyph_bbox, 0);
661 Font = rb_define_class_under(GFX, "Font", rb_cObject);
662 rb_define_method(Font, "name", font_name, 0);
663 rb_define_method(Font, "ascent", font_ascent, 0);
664 rb_define_method(Font, "descent", font_descent, 0);
665 rb_define_method(Font, "glyphs", font_glyphs, 0);
667 Device = rb_define_class_under(GFX, "Device", rb_cObject);
668 rb_define_method(Device, "startpage", noop, -1);
669 rb_define_method(Device, "endpage", noop, -1);
670 rb_define_method(Device, "startclip", noop, -1);
671 rb_define_method(Device, "endclip", noop, -1);
672 rb_define_method(Device, "stroke", noop, -1);
673 rb_define_method(Device, "fill", noop, -1);
674 rb_define_method(Device, "fillbitmap", noop, -1);
675 rb_define_method(Device, "fillgradient", noop, -1);
676 rb_define_method(Device, "addfont", noop, -1);
677 rb_define_method(Device, "drawchar", noop, -1);
678 rb_define_method(Device, "drawlink", noop, -1);
679 rb_define_method(Device, "endpage", noop, -1);
681 PDFClass = rb_define_class_under(GFX, "PDF", Document);
682 rb_define_alloc_func(PDFClass, pdf_allocate);
684 SWFClass = rb_define_class_under(GFX, "SWF", Document);
685 rb_define_alloc_func(SWFClass, swf_allocate);
687 ImageClass = rb_define_class_under(GFX, "ImageRead", Document);
688 rb_define_alloc_func(ImageClass, imgdrv_allocate);
690 id_setparameter = rb_intern("setparameter");
691 id_startpage = rb_intern("startpage") ;
692 id_startclip = rb_intern("startclip") ;
693 id_endclip = rb_intern("endclip") ;
694 id_stroke = rb_intern("stroke") ;
695 id_fill = rb_intern("fill") ;
696 id_fillbitmap = rb_intern("fillbitmap") ;
697 id_fillgradient = rb_intern("fillgradient") ;
698 id_addfont = rb_intern("addfont") ;
699 id_drawchar = rb_intern("drawchar") ;
700 id_drawlink = rb_intern("drawlink") ;
701 id_endpage = rb_intern("endpage") ;
702 id_geterror = rb_intern("geterror") ;
703 id_finish = rb_intern("finish") ;
704 id_butt = rb_intern("butt");
705 id_round = rb_intern("round");
706 id_square = rb_intern("square");
707 id_miter = rb_intern("miter");
708 id_bevel = rb_intern("bevel");
709 id_move = rb_intern("move");
710 id_line = rb_intern("line");
711 id_spline = rb_intern("spline");
712 id_radial = rb_intern("radial");
713 id_linear = rb_intern("linear");