X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=lib%2Fruby%2Fgfx.c;h=9c3af378f5aa8c6a616024b357de21a440215f76;hb=1500155bf5c3f465d865aeec6ede12f33dcdb8a5;hp=6a47da74c62734f12b7db3cb38c0ffc8801b524a;hpb=6c8f037f0f76ce4b28b80a2133e4150d93012ef7;p=swftools.git diff --git a/lib/ruby/gfx.c b/lib/ruby/gfx.c index 6a47da7..9c3af37 100644 --- a/lib/ruby/gfx.c +++ b/lib/ruby/gfx.c @@ -2,6 +2,7 @@ #include "../gfxdevice.h" #include "../gfxsource.h" #include "../gfxtools.h" +#include "../gfximage.h" #include "../devices/pdf.h" #include "../readers/swf.h" #include "../readers/image.h" @@ -62,6 +63,9 @@ 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; } @@ -200,18 +204,49 @@ 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;ta!=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); - int l = strlen(filename); - char jpeg = 0; - if(l>=4 && !strcmp(&filename[l-4], ".jpg")) jpeg = 1; - if(l>=5 && !strcmp(&filename[l-5], ".jpeg")) jpeg = 1; - if(l>=4 && !strcmp(&filename[l-4], ".JPG")) jpeg = 1; - jpeg_save(image->image->data, image->image->width, image->image->height, FIX2INT(quality), 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) @@ -264,6 +299,16 @@ static VALUE glyph_advance(VALUE 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); @@ -293,6 +338,18 @@ static VALUE font_allocate(VALUE cls) 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); @@ -305,6 +362,23 @@ static VALUE font_glyphs(VALUE cls) return font->glyph_array; } +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;tdoc->prepare(doc->doc, &dev); + return cls; +} + + // ---------------------- global functions ---------------------------------- VALUE gfx_setparameter(VALUE module, VALUE _key, VALUE _value) @@ -605,18 +708,29 @@ 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); 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); Device = rb_define_class_under(GFX, "Device", rb_cObject); rb_define_method(Device, "startpage", noop, -1);