X-Git-Url: http://git.asbjorn.biz/?p=swftools.git;a=blobdiff_plain;f=lib%2Fruby%2Fgfx.c;h=7c48a093069844683ac67f9a3bd0f08065bdaede;hp=661d8efbcce7d5e31274514f638a1d8c4f1263c5;hb=df99e9de2273822d54a2efa8d02a08e90181ede1;hpb=9bcdd3d1665c7f85d2fc7472e45ebfbf89c65783

diff --git a/lib/ruby/gfx.c b/lib/ruby/gfx.c
index 661d8ef..7c48a09 100644
--- a/lib/ruby/gfx.c
+++ b/lib/ruby/gfx.c
@@ -1,14 +1,19 @@
 #include <ruby.h>
+#include "../../config.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"
 
@@ -63,6 +68,9 @@ static VALUE doc_initialize(VALUE cls, VALUE _filename)
     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;
 }
 
@@ -84,7 +92,7 @@ static VALUE doc_get_page(VALUE cls, VALUE _nr)
     page->doc = doc;
     if(!page->page) {
 	rb_raise(rb_eArgError, "No page %d in document", nr);
-	return;
+	return Qnil;
     }
     return v;
 }
@@ -116,7 +124,10 @@ static void doc_mark(doc_internal_t*doc)
 static void doc_free(doc_internal_t*doc)
 {
     gfxfontlist_free(doc->fontlist, 0);
-    doc->doc->destroy(doc->doc);
+    if(doc->doc) {
+	doc->doc->destroy(doc->doc);
+    }
+    doc->doc = 0;
     free(doc);
 }
 
@@ -212,8 +223,23 @@ static VALUE image_rescale(VALUE cls, VALUE _width, VALUE _height)
     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[t].a!=255) 
+	    return Qtrue;
+    }
+    return Qfalse;
+}
 static VALUE image_save_jpeg(VALUE cls, VALUE _filename, VALUE quality)
 {
     Get_Image(image,cls)
@@ -344,6 +370,41 @@ static VALUE font_glyphs(VALUE 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 {
@@ -375,6 +436,9 @@ 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 ID id_vectors_to_glyphs = 0;
 
 static VALUE noop(int argc, VALUE *argv, VALUE obj) {return obj;}
 
@@ -461,6 +525,10 @@ static VALUE convert_font(gfxfont_t*font)
     }
     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;
@@ -559,46 +627,54 @@ 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, v_line, v_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_endpage, 0);
+    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)
 
-    gfxdevice_t dev;
-    device_internal_t i;
-    i.v = device;
-    i.doc = page->doc;
-
-    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;
+    make_device(dev, page->doc, device);
 
     dev.startpage(&dev, page->page->width, page->page->height);
     page->page->render(page->page, &dev);
@@ -607,6 +683,70 @@ static VALUE page_render(VALUE cls, VALUE device)
     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_vectors_to_glyphs) {
+		wrap_filter2(dev, vectors_to_glyphs);
+	    } 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)
@@ -626,11 +766,20 @@ VALUE gfx_setparameter(VALUE module, VALUE _key, VALUE _value)
 void Init_gfx()
 {
     initLog(0,0,0,0,0,2);
+#ifdef HAVE_SRAND48
+    srand48(time(0));
+#else
+#ifdef HAVE_SRAND
+    srand(time(0));
+#endif
+#endif
+
     pdfdriver = gfxsource_pdf_create();
     swfdriver = gfxsource_swf_create();
     imagedriver = gfxsource_image_create();
 
     GFX = rb_define_module("GFX");
+    rb_define_const(GFX, "VERSION", INT2FIX(20100309));
     
     rb_define_module_function(GFX, "setparameter", gfx_setparameter, 2);
     
@@ -644,6 +793,8 @@ void Init_gfx()
     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);
@@ -651,6 +802,7 @@ void Init_gfx()
     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);
@@ -663,6 +815,10 @@ void Init_gfx()
     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);
@@ -676,7 +832,6 @@ void Init_gfx()
     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);
@@ -686,7 +841,7 @@ void Init_gfx()
     
     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") ;
@@ -711,5 +866,8 @@ void Init_gfx()
     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");
+    id_vectors_to_glyphs = rb_intern("vectors_to_glyphs");
 }