#include <ruby.h>
#include "../gfxdevice.h"
#include "../gfxsource.h"
+#include "../gfxtools.h"
+#include "../gfximage.h"
+#include "../gfxfont.h"
+#include "../gfxfilter.h"
#include "../devices/pdf.h"
#include "../readers/swf.h"
#include "../readers/image.h"
#include "../pdf/pdf.h"
+#include "../mem.h"
#include "../types.h"
+#include "../log.h"
+#include "../args.h"
#define RUBY_GFX_VERSION "0.9.0"
static VALUE GFX;
-static VALUE Document, DocumentPage, PDFClass, SWFClass, ImageClass, Device;
+static VALUE Font, Glyph, Bitmap, Document, DocumentPage, PDFClass, SWFClass, ImageClass, Device;
static ID id_doc;
typedef struct doc_internal {
+ VALUE self;
gfxsource_t*driver; // filled by alloc
gfxdocument_t*doc;
+ gfxfontlist_t*fontlist;
} doc_internal_t;
typedef struct page_internal {
+ doc_internal_t*doc;
gfxpage_t*page;
} page_internal_t;
+typedef struct image_internal {
+ doc_internal_t*doc;
+ gfximage_t*image;
+} image_internal_t;
+
+typedef struct font_internal {
+ VALUE self;
+ VALUE glyph_array;
+ gfxfont_t*font;
+} font_internal_t;
+
+typedef struct glyph_internal {
+ font_internal_t*font;
+ int nr;
+} glyph_internal_t;
+
static gfxsource_t* pdfdriver = 0;
static gfxsource_t* imagedriver = 0;
static gfxsource_t* swfdriver = 0;
Check_Type(_filename, T_STRING);
Get_Doc(doc,cls);
const char*filename = StringValuePtr(_filename);
+ doc->fontlist = gfxfontlist_create();
doc->doc = pdfdriver->open(pdfdriver, filename);
+ if(!doc->doc) {
+ rb_raise(rb_eIOError, "couldn't open %s", filename);
+ }
return cls;
}
return INT2FIX(doc->doc->num_pages);
}
-
static VALUE doc_get_page(VALUE cls, VALUE _nr)
{
Check_Type(_nr, T_FIXNUM);
VALUE v = page_allocate(DocumentPage);
Get_Page(page,v)
page->page = doc->doc->getpage(doc->doc, nr);
+ page->doc = doc;
+ if(!page->page) {
+ rb_raise(rb_eArgError, "No page %d in document", nr);
+ return Qnil;
+ }
return v;
}
VALUE v = page_allocate(DocumentPage);
Get_Page(page,v)
page->page = doc->doc->getpage(doc->doc, t);
+ page->doc = doc;
rb_yield(v);
}
return cls;
static void doc_mark(doc_internal_t*doc)
{
- // e.g. rb_gc_mark(z->page);
+ gfxfontlist_t*l = doc->fontlist;
+ while(l) {
+ if(l->user)
+ rb_gc_mark((VALUE)l->user);
+ l = l->next;
+ }
}
static void doc_free(doc_internal_t*doc)
{
- doc->doc->destroy(doc->doc);
+ gfxfontlist_free(doc->fontlist, 0);
+ if(doc->doc) {
+ doc->doc->destroy(doc->doc);
+ }
+ doc->doc = 0;
free(doc);
}
static VALUE doc_allocate(VALUE cls, gfxsource_t*driver)
{
doc_internal_t*doc = 0;
- VALUE v = Data_Make_Struct(cls, doc_internal_t, 0, doc_free, doc);
+ VALUE v = Data_Make_Struct(cls, doc_internal_t, doc_mark, doc_free, doc);
+ doc->self = v;
memset(doc, 0, sizeof(doc_internal_t));
doc->driver = driver;
return v;
static VALUE pdf_allocate(VALUE cls) {return doc_allocate(cls, pdfdriver);}
static VALUE swf_allocate(VALUE cls) {return doc_allocate(cls, swfdriver);}
-static VALUE image_allocate(VALUE cls) {return doc_allocate(cls, imagedriver);}
+static VALUE imgdrv_allocate(VALUE cls) {return doc_allocate(cls, imagedriver);}
// ------------------------ doc pages ---------------------------------------
-static VALUE page_free(VALUE cls)
+static void page_free(page_internal_t*page)
{
- Get_Page(page, cls);
- page->page->destroy(page->page);
+ if(!page) return;
+ if(page->page) {
+ page->page->destroy(page->page);
+ page->page = 0;
+ }
free(page);
- return cls;
}
-
+static void page_mark(page_internal_t*page)
+{
+ rb_gc_mark(page->doc->self);
+}
static VALUE page_allocate(VALUE cls)
{
page_internal_t*page = 0;
- VALUE v = Data_Make_Struct(cls, page_internal_t, 0, page_free, page);
+ VALUE v = Data_Make_Struct(cls, page_internal_t, page_mark, page_free, page);
memset(page, 0, sizeof(page_internal_t));
return v;
}
-
-static VALUE page_render(VALUE cls, VALUE device)
-{
- Check_Type(device, T_CLASS);
- Get_Page(page,cls)
-
- gfxdevice_t dev;
- dev.internal = (void*)(ptroff_t)device;
-
- page->page->render(page->page, 0);//device);
- //rb_yield(v);
-}
-
static VALUE page_nr(VALUE cls)
{
Get_Page(page,cls)
return INT2FIX(page->page->nr);
}
-
static VALUE page_width(VALUE cls)
{
Get_Page(page,cls)
return INT2FIX(page->page->width);
}
-
static VALUE page_height(VALUE cls)
{
Get_Page(page,cls)
return INT2FIX(page->page->height);
}
+// ------------------------ image -------------------------------------------
+
+#define Get_Image(image,cls) image_internal_t*image=0;Data_Get_Struct(cls, image_internal_t, image);
+
+static void image_free(image_internal_t*image)
+{
+ free(image);
+}
+static void image_mark(image_internal_t*image)
+{
+ rb_gc_mark(image->doc->self);
+}
+static VALUE image_allocate(VALUE cls)
+{
+ image_internal_t*image = 0;
+ VALUE v = Data_Make_Struct(cls, image_internal_t, image_mark, image_free, image);
+ memset(image, 0, sizeof(image_internal_t));
+ return v;
+}
+static VALUE image_width(VALUE cls)
+{
+ Get_Image(image,cls)
+ return INT2FIX(image->image->width);
+}
+static VALUE image_height(VALUE cls)
+{
+ Get_Image(image,cls)
+ return INT2FIX(image->image->height);
+}
+static VALUE image_rescale(VALUE cls, VALUE _width, VALUE _height)
+{
+ Get_Image(image,cls)
+ Check_Type(_width, T_FIXNUM);
+ Check_Type(_height, T_FIXNUM);
+ int width = FIX2INT(_width);
+ int height = FIX2INT(_height);
+ volatile VALUE v_image2 = image_allocate(Bitmap);
+ Get_Image(image2,v_image2)
+ image2->doc = image->doc;
+ image2->image = gfximage_rescale(image->image, width, height);
+ if(!image2->image) {
+ rb_raise(rb_eArgError, "Can't rescale to size %dx%d", width, height);
+ }
+ return v_image2;
+}
+static VALUE image_has_alpha(VALUE cls)
+{
+ Get_Image(image,cls)
+ int size = image->image->width * image->image->height;
+ gfxcolor_t*data = image->image->data;
+ int t;
+ for(t=0;t<size;t++) {
+ if(data->a!=255)
+ return Qtrue;
+ }
+ return Qfalse;
+}
+static VALUE image_save_jpeg(VALUE cls, VALUE _filename, VALUE quality)
+{
+ Get_Image(image,cls)
+ Check_Type(_filename, T_STRING);
+ Check_Type(quality, T_FIXNUM);
+ const char*filename = StringValuePtr(_filename);
+ gfximage_save_jpeg(image->image, filename, FIX2INT(quality));
+ return cls;
+}
+static VALUE image_save_png(VALUE cls, VALUE _filename)
+{
+ Get_Image(image,cls)
+ Check_Type(_filename, T_STRING);
+ const char*filename = StringValuePtr(_filename);
+ gfximage_save_png(image->image, filename);
+ return cls;
+}
+VALUE convert_image(doc_internal_t*doc,gfximage_t*_image)
+{
+ VALUE v = image_allocate(Bitmap);
+ Get_Image(image,v)
+ image->image = _image;
+ image->doc = doc;
+ return v;
+}
+void invalidate_image(VALUE v)
+{
+ Get_Image(image,v)
+ image->image = 0;
+}
+
+// ------------------------ glyphs ------------------------------------------
+
+static VALUE convert_line(gfxline_t*line);
+
+#define Get_Glyph(glyph,cls) glyph_internal_t*glyph=0;Data_Get_Struct(cls, glyph_internal_t, glyph);
+
+static void glyph_free(glyph_internal_t*glyph)
+{
+ free(glyph);
+}
+
+static void glyph_mark(glyph_internal_t*glyph)
+{
+ rb_gc_mark(glyph->font->self);
+}
+
+static VALUE glyph_allocate(VALUE cls)
+{
+ glyph_internal_t*glyph = 0;
+ VALUE v = Data_Make_Struct(cls, glyph_internal_t, glyph_mark, glyph_free, glyph);
+ memset(glyph, 0, sizeof(glyph_internal_t));
+ return v;
+}
+
+static VALUE glyph_polygon(VALUE cls)
+{
+ Get_Glyph(glyph,cls);
+ return convert_line(glyph->font->font->glyphs[glyph->nr].line);
+}
+
+static VALUE glyph_advance(VALUE cls)
+{
+ Get_Glyph(glyph,cls);
+ return rb_float_new(glyph->font->font->glyphs[glyph->nr].advance);
+}
+
+static VALUE glyph_bbox(VALUE cls)
+{
+ Get_Glyph(glyph,cls);
+ gfxbbox_t bbox = gfxline_getbbox(glyph->font->font->glyphs[glyph->nr].line);
+ return rb_ary_new3(4, rb_float_new(bbox.xmin),
+ rb_float_new(bbox.ymin),
+ rb_float_new(bbox.xmax),
+ rb_float_new(bbox.ymax));
+}
+
+static VALUE glyph_unicode(VALUE cls)
+{
+ Get_Glyph(glyph,cls);
+ return INT2FIX(glyph->font->font->glyphs[glyph->nr].unicode);
+}
+
+// ------------------------ font --------------------------------------------
+
+#define Get_Font(font,cls) font_internal_t*font=0;Data_Get_Struct(cls, font_internal_t, font);
+
+static void font_mark(font_internal_t*font)
+{
+ rb_gc_mark(font->glyph_array);
+}
+
+static void font_free(font_internal_t*font)
+{
+ free(font);
+}
+
+static VALUE font_allocate(VALUE cls)
+{
+ font_internal_t*font = 0;
+ VALUE v = Data_Make_Struct(cls, font_internal_t, font_mark, font_free, font);
+ memset(font, 0, sizeof(font_internal_t));
+ font->self = v;
+ return v;
+}
+
+static VALUE font_ascent(VALUE cls)
+{
+ Get_Font(font,cls);
+ return rb_float_new(font->font->ascent);
+}
+
+static VALUE font_descent(VALUE cls)
+{
+ Get_Font(font,cls);
+ return rb_float_new(font->font->descent);
+}
+
+static VALUE font_name(VALUE cls)
+{
+ Get_Font(font,cls);
+ return rb_tainted_str_new2(font->font->id);
+}
+
+static VALUE font_glyphs(VALUE cls)
+{
+ Get_Font(font,cls);
+ return font->glyph_array;
+}
+
+static VALUE font_save_ttf(VALUE cls, VALUE _filename)
+{
+ Get_Font(font,cls);
+ Check_Type(_filename, T_STRING);
+ const char*filename = StringValuePtr(_filename);
+ gfxfont_save(font->font, filename);
+ return Qnil;
+}
+
+static VALUE font_save_eot(VALUE cls, VALUE _filename)
+{
+ Get_Font(font,cls);
+ Check_Type(_filename, T_STRING);
+ const char*filename = StringValuePtr(_filename);
+ gfxfont_save_eot(font->font, filename);
+ return Qnil;
+}
+
+static VALUE font_kerning(VALUE cls)
+{
+ Get_Font(font,cls);
+ gfxkerning_t*kerning = font->font->kerning;
+ int kerning_size = font->font->kerning_size;
+ volatile VALUE a = rb_ary_new2(kerning_size);
+ int t;
+ for(t=0;t<kerning_size;t++) {
+ volatile VALUE tuple = rb_ary_new2(3);
+ rb_ary_store(tuple, 0, INT2FIX(kerning[t].c1));
+ rb_ary_store(tuple, 1, INT2FIX(kerning[t].c2));
+ rb_ary_store(tuple, 2, INT2FIX(kerning[t].advance));
+ rb_ary_store(a, t, tuple);
+ }
+ return a;
+}
+
// ------------------------ gfx device --------------------------------------
+typedef struct device_internal {
+ doc_internal_t*doc;
+ VALUE v;
+} device_internal_t;
+
+static ID id_setparameter = 0;
+static ID id_startpage = 0;
+static ID id_startclip = 0;
+static ID id_endclip = 0;
+static ID id_stroke = 0;
+static ID id_fill = 0;
+static ID id_fillbitmap = 0;
+static ID id_fillgradient = 0;
+static ID id_addfont = 0;
+static ID id_drawchar = 0;
+static ID id_drawlink = 0;
+static ID id_endpage = 0;
+static ID id_geterror = 0;
+static ID id_finish = 0;
+static ID id_butt = 0;
+static ID id_round = 0;
+static ID id_square = 0;
+static ID id_bevel = 0;
+static ID id_miter = 0;
+static ID id_move = 0;
+static ID id_line = 0;
+static ID id_spline = 0;
+static ID id_radial = 0;
+static ID id_linear = 0;
+static ID id_remove_font_transforms = 0;
+static ID id_maketransparent = 0;
+
static VALUE noop(int argc, VALUE *argv, VALUE obj) {return obj;}
+#define forward(v,id,args...) rb_respond_to((v), (id))?rb_funcall((v), (id), args):0
+
+VALUE convert_line(gfxline_t*line)
+{
+ int len = 0;
+ gfxline_t*l = line;
+ while(l) {l=l->next;len++;}
+
+ volatile VALUE array = rb_ary_new2(len);
+
+ int pos = 0;
+ l = line;
+ while(l) {
+ volatile VALUE e;
+ if(l->type == gfx_moveTo) {
+ e = rb_ary_new3(3, ID2SYM(id_move), Qfalse, Qfalse);
+ rb_ary_store(array, pos, e);
+ rb_ary_store(e, 1, rb_float_new(l->x));
+ rb_ary_store(e, 2, rb_float_new(l->y));
+ } else if(l->type == gfx_lineTo) {
+ e = rb_ary_new3(3, ID2SYM(id_line), Qfalse, Qfalse);
+ rb_ary_store(array, pos, e);
+ rb_ary_store(e, 1, rb_float_new(l->x));
+ rb_ary_store(e, 2, rb_float_new(l->y));
+ } else {
+ e = rb_ary_new3(5, ID2SYM(id_spline), Qfalse, Qfalse, Qfalse, Qfalse);
+ rb_ary_store(array, pos, e);
+ rb_ary_store(e, 1, rb_float_new(l->x));
+ rb_ary_store(e, 2, rb_float_new(l->y));
+ rb_ary_store(e, 3, rb_float_new(l->sx));
+ rb_ary_store(e, 4, rb_float_new(l->sy));
+ }
+ pos++;
+ l=l->next;
+ }
+ return array;
+}
+VALUE convert_color(gfxcolor_t*color)
+{
+ return rb_ary_new3(4, INT2FIX(color->a), INT2FIX(color->r), INT2FIX(color->g), INT2FIX(color->b));
+}
+VALUE convert_matrix(gfxmatrix_t*matrix)
+{
+ volatile VALUE array = rb_ary_new2(3);
+ volatile VALUE a = rb_ary_new2(2);
+ rb_ary_store(array, 0, a);
+ rb_ary_store(a, 0, rb_float_new(matrix->m00));
+ rb_ary_store(a, 1, rb_float_new(matrix->m01));
+ a = rb_ary_new2(2);
+ rb_ary_store(array, 1, a);
+ rb_ary_store(a, 0, rb_float_new(matrix->m10));
+ rb_ary_store(a, 1, rb_float_new(matrix->m11));
+ a = rb_ary_new2(2);
+ rb_ary_store(array, 2, a);
+ rb_ary_store(a, 0, rb_float_new(matrix->tx));
+ rb_ary_store(a, 1, rb_float_new(matrix->ty));
+ return array;
+}
+static VALUE font_is_cached(device_internal_t*i, gfxfont_t*font)
+{
+ return (VALUE)gfxfontlist_getuserdata(i->doc->fontlist, font->id);
+}
+static void cache_font(device_internal_t*i, gfxfont_t*font, VALUE v)
+{
+ i->doc->fontlist = gfxfontlist_addfont2(i->doc->fontlist, font, (void*)v);
+}
+static VALUE convert_font(gfxfont_t*font)
+{
+ volatile VALUE v2 = font_allocate(Font);
+ Get_Font(f, v2);
+ f->font = font;
+ f->glyph_array = rb_ary_new2(font->num_glyphs);
+
+ int t;
+ for(t=0;t<font->num_glyphs;t++) {
+ volatile VALUE a = glyph_allocate(Glyph);
+ rb_ary_store(f->glyph_array, t, a);
+ Get_Glyph(g, a);
+ g->font = f;
+ g->nr = t;
+ }
+ return v2;
+}
+static VALUE convert_gradient(gfxgradient_t*gradient)
+{
+ return Qnil; //TODO
+}
+#define HEAD \
+ device_internal_t*i = (device_internal_t*)dev->internal; \
+ VALUE v = i->v;
+int rb_setparameter(gfxdevice_t*dev, const char*key, const char*value)
+{
+ HEAD
+ volatile VALUE v_key = rb_tainted_str_new2(key);
+ volatile VALUE v_value = rb_tainted_str_new2(value);
+ VALUE ret = forward(v,id_setparameter,2,v_key,v_value);
+ return 0;
+}
+void rb_startpage(gfxdevice_t*dev, int width, int height)
+{
+ HEAD
+ VALUE ret = forward(v,id_startpage,2,INT2FIX(width),INT2FIX(height));
+}
+void rb_startclip(gfxdevice_t*dev, gfxline_t*line)
+{
+ HEAD
+ volatile VALUE v_line = convert_line(line);
+ VALUE ret = forward(v,id_startclip,1,v_line);
+}
+void rb_endclip(gfxdevice_t*dev)
+{
+ HEAD
+ VALUE ret = forward(v,id_endclip,0);
+}
+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)
+{
+ HEAD
+
+ ID cap = 0;
+ if(cap_style == gfx_capButt) cap = id_butt;
+ else if(cap_style == gfx_capRound) cap = id_round;
+ else if(cap_style == gfx_capSquare) cap = id_square;
+
+ ID joint = 0;
+ if(joint_style == gfx_joinRound) joint = id_round;
+ else if(joint_style == gfx_joinMiter) joint = id_miter;
+ else if(joint_style == gfx_joinBevel) joint = id_bevel;
+
+ volatile VALUE v_line = convert_line(line);
+ volatile VALUE v_width = rb_float_new(width);
+ volatile VALUE v_color = convert_color(color);
+ volatile VALUE v_miter = rb_float_new(miterLimit);
+ forward(v, id_stroke, 6, v_line, v_width, v_color, ID2SYM(cap), ID2SYM(joint), v_miter);
+}
+void rb_fill(gfxdevice_t*dev, gfxline_t*line, gfxcolor_t*color)
+{
+ HEAD
+
+ volatile VALUE v_line = convert_line(line);
+ volatile VALUE v_color = convert_color(color);
+ forward(v, id_fill, 2, v_line, v_color);
+}
+void rb_fillbitmap(gfxdevice_t*dev, gfxline_t*line, gfximage_t*img, gfxmatrix_t*matrix, gfxcxform_t*cxform)
+{
+ HEAD
+ volatile VALUE v_image = convert_image(i->doc, img);
+ volatile VALUE v_line = convert_line(line);
+ volatile VALUE v_matrix = convert_matrix(matrix);
+ forward(v, id_fillbitmap, 4, v_line, v_image, v_matrix, Qnil);
+ invalidate_image(v_image);
+}
+void rb_fillgradient(gfxdevice_t*dev, gfxline_t*line, gfxgradient_t*gradient, gfxgradienttype_t type, gfxmatrix_t*matrix)
+{
+ HEAD
+ ID typeid = (type == gfxgradient_linear)? id_linear : id_radial;
+
+ volatile VALUE v_line = convert_line(line);
+ volatile VALUE v_matrix = convert_matrix(matrix);
+ volatile VALUE v_gradient = convert_gradient(gradient);
+ forward(v, id_fillgradient, 4, v_line, v_gradient, ID2SYM(typeid), v_matrix);
+}
+void rb_addfont(gfxdevice_t*dev, gfxfont_t*font)
+{
+ HEAD
+
+ volatile VALUE f = font_is_cached(i, font);
+ if(!f) {f=convert_font(font);cache_font(i,font,f);}
+
+ forward(v, id_addfont, 1, f);
+}
+void rb_drawchar(gfxdevice_t*dev, gfxfont_t*font, int glyphnr, gfxcolor_t*color, gfxmatrix_t*matrix)
+{
+ HEAD
+ volatile VALUE f = font_is_cached(i, font);
+ if(!f) {f=convert_font(font);cache_font(i,font,f);}
+
+ volatile VALUE v_color = convert_color(color);
+ volatile VALUE v_matrix = convert_matrix(matrix);
+ forward(v, id_drawchar, 4, f, INT2FIX(glyphnr), v_color, v_matrix);
+}
+void rb_drawlink(gfxdevice_t*dev, gfxline_t*line, const char*action)
+{
+ HEAD
+ volatile VALUE v_line = convert_line(line);
+ volatile VALUE v_action = rb_tainted_str_new2(action);
+
+ forward(v, id_drawlink, 2, v_line, v_action);
+}
+void rb_endpage(gfxdevice_t*dev)
+{
+ HEAD
+ forward(v, id_endpage, 0);
+}
+void gfxresult_rb_destroy(gfxresult_t*r)
+{
+ free(r);
+}
+gfxresult_t* rb_finish(gfxdevice_t*dev)
+{
+ HEAD
+ VALUE ret = forward(v, id_finish, 0);
+ gfxresult_t*r = (gfxresult_t*)rfx_calloc(sizeof(gfxresult_t));
+ r->destroy = gfxresult_rb_destroy;
+ r->internal = (void*)(ptroff_t)ret;
+ return r;
+}
+
+#define make_device(dev, idoc, device) \
+ gfxdevice_t dev; \
+ device_internal_t i; \
+ i.v = device; \
+ i.doc = idoc; \
+ dev.internal = &i; \
+ dev.setparameter = rb_setparameter; \
+ dev.startpage = rb_startpage; \
+ dev.startclip = rb_startclip; \
+ dev.endclip = rb_endclip; \
+ dev.stroke = rb_stroke; \
+ dev.fill = rb_fill; \
+ dev.fillbitmap = rb_fillbitmap; \
+ dev.fillgradient = rb_fillgradient; \
+ dev.addfont = rb_addfont; \
+ dev.drawchar = rb_drawchar; \
+ dev.drawlink = rb_drawlink; \
+ dev.endpage = rb_endpage; \
+ dev.finish = rb_finish;
+
+static VALUE page_render(VALUE cls, VALUE device)
+{
+ Check_Type(device, T_OBJECT);
+ Get_Page(page,cls)
+
+ make_device(dev, page->doc, device);
+
+ dev.startpage(&dev, page->page->width, page->page->height);
+ page->page->render(page->page, &dev);
+ dev.endpage(&dev);
+
+ return cls;
+}
+
+static VALUE doc_render(VALUE cls, VALUE device, VALUE _range, VALUE filters)
+{
+ const char*range = 0;
+ if(!NIL_P(_range)) {
+ Check_Type(_range, T_STRING);
+ range = StringValuePtr(_range);
+ }
+ Get_Doc(doc,cls);
+
+ make_device(_dev, doc, device);
+ gfxdevice_t*dev = &_dev;
+
+ if(!NIL_P(filters)) {
+ if(TYPE(filters) != T_ARRAY)
+ rb_raise(rb_eArgError, "third argument of doc->render must be an array of symbols");
+
+ int len = RARRAY(filters)->len;
+ int t=0;
+ while(t<len) {
+ VALUE filter = RARRAY(filters)->ptr[t++];
+ Check_Type(filter, T_SYMBOL);
+ ID id = SYM2ID(filter);
+# define PARAM(x) VALUE x;if(t==len) rb_raise(rb_eArgError, "End of array while parsing arguments for filter %s", rb_id2name(id)); \
+ else x = RARRAY(filters)->ptr[t++];
+ if(id == id_remove_font_transforms) {
+ wrap_filter2(dev, remove_font_transforms);
+ } else if(id == id_maketransparent) {
+ PARAM(alpha);
+ wrap_filter(dev, maketransparent, FIX2INT(alpha));
+ } else {
+ rb_raise(rb_eArgError, "unknown filter %s", rb_id2name(id));
+ }
+ }
+ }
+
+ int pagenr;
+ for(pagenr=1;pagenr<=doc->doc->num_pages;pagenr++) {
+ if(is_in_range(pagenr, (char*)range)) {
+ gfxpage_t*page = doc->doc->getpage(doc->doc, pagenr);
+ dev->startpage(dev, page->width, page->height);
+ page->render(page, dev);
+ dev->endpage(dev);
+ page->destroy(page);
+ }
+ }
+
+
+ gfxresult_t*r = dev->finish(dev);
+ r->destroy(r);
+
+ return Qnil;
+}
+
+static VALUE doc_prepare(VALUE cls, VALUE device)
+{
+ Get_Doc(doc,cls);
+ make_device(dev, doc, device);
+ doc->doc->prepare(doc->doc, &dev);
+ return cls;
+}
+
+
+// ---------------------- global functions ----------------------------------
+
+VALUE gfx_setparameter(VALUE module, VALUE _key, VALUE _value)
+{
+ Check_Type(_key, T_STRING);
+ Check_Type(_value, T_STRING);
+ const char*key = StringValuePtr(_key);
+ const char*value = StringValuePtr(_value);
+ pdfdriver->setparameter(pdfdriver, key, value);
+ swfdriver->setparameter(swfdriver, key, value);
+ imagedriver->setparameter(imagedriver, key, value);
+ return GFX;
+}
+
// --------------------------------------------------------------------------
void Init_gfx()
GFX = rb_define_module("GFX");
+ rb_define_module_function(GFX, "setparameter", gfx_setparameter, 2);
+
DocumentPage = rb_define_class_under(GFX, "DocumentPage", rb_cObject);
- rb_define_alloc_func(DocumentPage, page_allocate);
rb_define_method(DocumentPage, "width", page_width, 0);
rb_define_method(DocumentPage, "height", page_height, 0);
rb_define_method(DocumentPage, "nr", page_nr, 0);
- rb_define_method(DocumentPage, "render", page_render, 0);
+ rb_define_method(DocumentPage, "render", page_render, 1);
Document = rb_define_class_under(GFX, "Document", rb_cObject);
rb_define_method(Document, "initialize", doc_initialize, 1);
rb_define_method(Document, "page", doc_get_page, 1);
rb_define_method(Document, "each_page", doc_each_page, 0);
+ rb_define_method(Document, "prepare", doc_prepare, 1);
+ rb_define_method(Document, "render", doc_render, 3);
+
+ Bitmap = rb_define_class_under(GFX, "Bitmap", rb_cObject);
+ rb_define_method(Bitmap, "save_jpeg", image_save_jpeg, 2);
+ rb_define_method(Bitmap, "save_png", image_save_png, 1);
+ rb_define_method(Bitmap, "width", image_width, 0);
+ rb_define_method(Bitmap, "height", image_height, 0);
+ rb_define_method(Bitmap, "rescale", image_rescale, 2);
+ rb_define_method(Bitmap, "has_alpha", image_has_alpha, 0);
+
+ Glyph = rb_define_class_under(GFX, "Glyph", rb_cObject);
+ rb_define_method(Glyph, "polygon", glyph_polygon, 0);
+ rb_define_method(Glyph, "unicode", glyph_unicode, 0);
+ rb_define_method(Glyph, "advance", glyph_advance, 0);
+ rb_define_method(Glyph, "bbox", glyph_bbox, 0);
+
+ Font = rb_define_class_under(GFX, "Font", rb_cObject);
+ rb_define_method(Font, "name", font_name, 0);
+ rb_define_method(Font, "ascent", font_ascent, 0);
+ rb_define_method(Font, "descent", font_descent, 0);
+ rb_define_method(Font, "glyphs", font_glyphs, 0);
+ rb_define_method(Font, "kerning", font_kerning, 0);
+ rb_define_method(Font, "get_kerning_table", font_kerning, 0);
+ rb_define_method(Font, "save_ttf", font_save_ttf, 1);
+ rb_define_method(Font, "save_eot", font_save_eot, 1);
Device = rb_define_class_under(GFX, "Device", rb_cObject);
rb_define_method(Device, "startpage", noop, -1);
rb_define_method(Device, "addfont", noop, -1);
rb_define_method(Device, "drawchar", noop, -1);
rb_define_method(Device, "drawlink", noop, -1);
- rb_define_method(Device, "endpage", noop, -1);
PDFClass = rb_define_class_under(GFX, "PDF", Document);
rb_define_alloc_func(PDFClass, pdf_allocate);
SWFClass = rb_define_class_under(GFX, "SWF", Document);
rb_define_alloc_func(SWFClass, swf_allocate);
- ImageClass = rb_define_class_under(GFX, "Image", Document);
- rb_define_alloc_func(ImageClass, image_allocate);
-
- //id_doc = rb_intern("doc");
+ ImageClass = rb_define_class_under(GFX, "ImageRead", Document);
+ rb_define_alloc_func(ImageClass, imgdrv_allocate);
+
+ id_setparameter = rb_intern("setparameter");
+ id_startpage = rb_intern("startpage") ;
+ id_startclip = rb_intern("startclip") ;
+ id_endclip = rb_intern("endclip") ;
+ id_stroke = rb_intern("stroke") ;
+ id_fill = rb_intern("fill") ;
+ id_fillbitmap = rb_intern("fillbitmap") ;
+ id_fillgradient = rb_intern("fillgradient") ;
+ id_addfont = rb_intern("addfont") ;
+ id_drawchar = rb_intern("drawchar") ;
+ id_drawlink = rb_intern("drawlink") ;
+ id_endpage = rb_intern("endpage") ;
+ id_geterror = rb_intern("geterror") ;
+ id_finish = rb_intern("finish") ;
+ id_butt = rb_intern("butt");
+ id_round = rb_intern("round");
+ id_square = rb_intern("square");
+ id_miter = rb_intern("miter");
+ id_bevel = rb_intern("bevel");
+ id_move = rb_intern("move");
+ id_line = rb_intern("line");
+ id_spline = rb_intern("spline");
+ id_radial = rb_intern("radial");
+ id_linear = rb_intern("linear");
+ id_remove_font_transforms = rb_intern("remove_font_transforms");
+ id_maketransparent = rb_intern("maketransparent");
}