X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=synfig-core%2Ftrunk%2Fsrc%2Fmodules%2Flyr_freetype%2Flyr_freetype.cpp;fp=synfig-core%2Ftrunk%2Fsrc%2Fmodules%2Flyr_freetype%2Flyr_freetype.cpp;h=0000000000000000000000000000000000000000;hb=a095981e18cc37a8ecc7cd237cc22b9c10329264;hp=2da592a16e4827b31d79f95719247216693a8e8b;hpb=9459638ad6797b8139f1e9f0715c96076dbf0890;p=synfig.git diff --git a/synfig-core/trunk/src/modules/lyr_freetype/lyr_freetype.cpp b/synfig-core/trunk/src/modules/lyr_freetype/lyr_freetype.cpp deleted file mode 100644 index 2da592a..0000000 --- a/synfig-core/trunk/src/modules/lyr_freetype/lyr_freetype.cpp +++ /dev/null @@ -1,919 +0,0 @@ -/* === S Y N F I G ========================================================= */ -/*! \file lyr_freetype.cpp -** \brief Implementation of the "Text" layer -** -** $Id$ -** -** \legal -** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley -** Copyright (c) 2006 Paul Wise -** Copyright (c) 2007, 2008 Chris Moore -** -** This package is free software; you can redistribute it and/or -** modify it under the terms of the GNU General Public License as -** published by the Free Software Foundation; either version 2 of -** the License, or (at your option) any later version. -** -** This package is distributed in the hope that it will be useful, -** but WITHOUT ANY WARRANTY; without even the implied warranty of -** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -** General Public License for more details. -** \endlegal -** -** === N O T E S =========================================================== -** -** ========================================================================= */ - -/* === H E A D E R S ======================================================= */ - -#define SYNFIG_LAYER - -#ifdef USING_PCH -# include "pch.h" -#else -#ifdef HAVE_CONFIG_H -# include -#endif -#ifdef WITH_FONTCONFIG -#include -#endif - -#include "lyr_freetype.h" -#endif - -using namespace std; -using namespace etl; -using namespace synfig; - -/* === M A C R O S ========================================================= */ - -#define MAX_GLYPHS 2000 - -#define PANGO_STYLE_NORMAL (0) -#define PANGO_STYLE_OBLIQUE (1) -#define PANGO_STYLE_ITALIC (2) - -#define WEIGHT_NORMAL (400) -#define WEIGHT_BOLD (700) - -/* === G L O B A L S ======================================================= */ - -SYNFIG_LAYER_INIT(Layer_Freetype); -SYNFIG_LAYER_SET_NAME(Layer_Freetype,"text"); -SYNFIG_LAYER_SET_LOCAL_NAME(Layer_Freetype,N_("Text")); -SYNFIG_LAYER_SET_CATEGORY(Layer_Freetype,N_("Other")); -SYNFIG_LAYER_SET_VERSION(Layer_Freetype,"0.2"); -SYNFIG_LAYER_SET_CVS_ID(Layer_Freetype,"$Id$"); - -/* === P R O C E D U R E S ================================================= */ - -/*Glyph::~Glyph() -{ - if(glyph)FT_Done_Glyph(glyph); -} -*/ -void -TextLine::clear_and_free() -{ - std::vector::iterator iter; - for(iter=glyph_table.begin();iter!=glyph_table.end();++iter) - { - if(iter->glyph)FT_Done_Glyph(iter->glyph); - iter->glyph=0; - } - glyph_table.clear(); -} - -/* === M E T H O D S ======================================================= */ - -Layer_Freetype::Layer_Freetype() -{ - face=0; - - size=Vector(0.25,0.25); - text=_("Text Layer"); - color=Color::black(); - origin=Vector(0,0); - orient=Vector(0.5,0.5); - compress=1.0; - vcompress=1.0; - weight=WEIGHT_NORMAL; - style=PANGO_STYLE_NORMAL; - family="Sans Serif"; - use_kerning=true; - grid_fit=false; - old_version=false; - set_blend_method(Color::BLEND_COMPOSITE); - needs_sync_=true; - - new_font(family,style,weight); - - invert=false; -} - -Layer_Freetype::~Layer_Freetype() -{ - if(face) - FT_Done_Face(face); -} - -void -Layer_Freetype::new_font(const synfig::String &family, int style, int weight) -{ - if( - !new_font_(family,style,weight) && - !new_font_(family,style,WEIGHT_NORMAL) && - !new_font_(family,PANGO_STYLE_NORMAL,weight) && - !new_font_(family,PANGO_STYLE_NORMAL,WEIGHT_NORMAL) && - !new_font_("sans serif",style,weight) && - !new_font_("sans serif",style,WEIGHT_NORMAL) && - !new_font_("sans serif",PANGO_STYLE_NORMAL,weight) - ) - new_font_("sans serif",PANGO_STYLE_NORMAL,WEIGHT_NORMAL); -} - -bool -Layer_Freetype::new_font_(const synfig::String &font_fam_, int style, int weight) -{ - synfig::String font_fam(font_fam_); - - if(new_face(font_fam_)) - return true; - - //start evil hack - for(unsigned int i=0;iWEIGHT_NORMAL) - arial+='b'; - if(style==PANGO_STYLE_ITALIC||style==PANGO_STYLE_OBLIQUE) - arial+='i'; - else - if(weight>WEIGHT_NORMAL) arial+='d'; - - if(new_face(arial)) - return true; -#ifdef __APPLE__ - if(new_face("Helvetica RO")) - return true; -#endif - } - - if(font_fam=="comic" || font_fam=="comic sans") - { - String filename("comic"); - if(weight>WEIGHT_NORMAL) - filename+='b'; - if(style==PANGO_STYLE_ITALIC||style==PANGO_STYLE_OBLIQUE) - filename+='i'; - else if(weight>WEIGHT_NORMAL) filename+='d'; - - if(new_face(filename)) - return true; - } - - if(font_fam=="courier" || font_fam=="courier new") - { - String filename("cour"); - if(weight>WEIGHT_NORMAL) - filename+='b'; - if(style==PANGO_STYLE_ITALIC||style==PANGO_STYLE_OBLIQUE) - filename+='i'; - else if(weight>WEIGHT_NORMAL) filename+='d'; - - if(new_face(filename)) - return true; - } - - if(font_fam=="serif" || font_fam=="times" || font_fam=="times new roman") - { - String filename("times"); - if(weight>WEIGHT_NORMAL) - filename+='b'; - if(style==PANGO_STYLE_ITALIC||style==PANGO_STYLE_OBLIQUE) - filename+='i'; - else if(weight>WEIGHT_NORMAL) filename+='d'; - - if(new_face(filename)) - return true; - } - - if(font_fam=="trebuchet") - { - String filename("trebuc"); - if(weight>WEIGHT_NORMAL) - filename+='b'; - if(style==PANGO_STYLE_ITALIC||style==PANGO_STYLE_OBLIQUE) - { - filename+='i'; - if(weight<=WEIGHT_NORMAL) filename+='t'; - } - else if(weight>WEIGHT_NORMAL) filename+='d'; - - if(new_face(filename)) - return true; - } - - if(font_fam=="sans serif" || font_fam=="luxi sans") - { - { - String luxi("luxis"); - if(weight>WEIGHT_NORMAL) - luxi+='b'; - else - luxi+='r'; - if(style==PANGO_STYLE_ITALIC||style==PANGO_STYLE_OBLIQUE) - luxi+='i'; - - if(new_face(luxi)) - return true; - } - if(new_face("arial")) - return true; - if(new_face("Arial")) - return true; - } - if(font_fam=="serif" || font_fam=="times" || font_fam=="times new roman" || font_fam=="luxi serif") - { - { - String luxi("luxir"); - if(weight>WEIGHT_NORMAL) - luxi+='b'; - else - luxi+='r'; - if(style==PANGO_STYLE_ITALIC||style==PANGO_STYLE_OBLIQUE) - luxi+='i'; - - if(new_face(luxi)) - return true; - } - if(new_face("Times New Roman")) - return true; - if(new_face("Times")) - return true; - } - if(font_fam=="luxi") - { - { - String luxi("luxim"); - if(weight>WEIGHT_NORMAL) - luxi+='b'; - else - luxi+='r'; - if(style==PANGO_STYLE_ITALIC||style==PANGO_STYLE_OBLIQUE) - luxi+='i'; - - if(new_face(luxi)) - return true; - } - - if(new_face("Times New Roman")) - return true; - if(new_face("Times")) - return true; - } - - return new_face(font_fam_) || new_face(font_fam); - - return false; -} - -#ifdef USE_MAC_FT_FUNCS -void fss2path(char *path, FSSpec *fss) -{ - int l; //fss->name contains name of last item in path - for(l=0; l<(fss->name[0]); l++) path[l] = fss->name[l + 1]; - path[l] = 0; - - if(fss->parID != fsRtParID) //path is more than just a volume name - { - int i, len; - CInfoPBRec pb; - - pb.dirInfo.ioNamePtr = fss->name; - pb.dirInfo.ioVRefNum = fss->vRefNum; - pb.dirInfo.ioDrParID = fss->parID; - do - { - pb.dirInfo.ioFDirIndex = -1; //get parent directory name - pb.dirInfo.ioDrDirID = pb.dirInfo.ioDrParID; - if(PBGetCatInfoSync(&pb) != noErr) break; - - len = fss->name[0] + 1; - for(i=l; i>=0; i--) path[i + len] = path[i]; - for(i=1; iname[i]; //add to start of path - path[i - 1] = ':'; - l += len; -} while(pb.dirInfo.ioDrDirID != fsRtDirID); //while more directory levels - } -} -#endif - -bool -Layer_Freetype::new_face(const String &newfont) -{ - int error; - FT_Long face_index=0; - - // If we are already loaded, don't bother reloading. - if(face && font==newfont) - return true; - - if(face) - { - FT_Done_Face(face); - face=0; - } - - error=FT_New_Face(ft_library,newfont.c_str(),face_index,&face); - if(error)error=FT_New_Face(ft_library,(newfont+".ttf").c_str(),face_index,&face); - - if(get_canvas()) - { - if(error)error=FT_New_Face(ft_library,(get_canvas()->get_file_path()+ETL_DIRECTORY_SEPARATOR+newfont).c_str(),face_index,&face); - if(error)error=FT_New_Face(ft_library,(get_canvas()->get_file_path()+ETL_DIRECTORY_SEPARATOR+newfont+".ttf").c_str(),face_index,&face); - } - -#ifdef USE_MAC_FT_FUNCS - if(error) - { - FSSpec fs_spec; - error=FT_GetFile_From_Mac_Name(newfont.c_str(),&fs_spec,&face_index); - if(!error) - { - char filename[512]; - fss2path(filename,&fs_spec); - //FSSpecToNativePathName(fs_spec,filename,sizeof(filename)-1, 0); - - error=FT_New_Face(ft_library, filename, face_index,&face); - //error=FT_New_Face_From_FSSpec(ft_library, &fs_spec, face_index,&face); - synfig::info(__FILE__":%d: \"%s\" (%s) -- ft_error=%d",__LINE__,newfont.c_str(),filename,error); - } - else - { - synfig::info(__FILE__":%d: \"%s\" -- ft_error=%d",__LINE__,newfont.c_str(),error); - // Unable to generate fs_spec - } - } -#endif - -#ifdef WITH_FONTCONFIG - if(error) - { - FcFontSet *fs; - FcResult result; - if( !FcInit() ) - { - synfig::warning("Layer_Freetype: fontconfig: %s",_("unable to initialize")); - error = 1; - } else { - FcPattern* pat = FcNameParse((FcChar8 *) newfont.c_str()); - FcConfigSubstitute(0, pat, FcMatchPattern); - FcDefaultSubstitute(pat); - FcPattern *match; - fs = FcFontSetCreate(); - match = FcFontMatch(0, pat, &result); - if (match) - FcFontSetAdd(fs, match); - if (pat) - FcPatternDestroy(pat); - if(fs){ - FcChar8* file; - if( FcPatternGetString (fs->fonts[0], FC_FILE, 0, &file) == FcResultMatch ) - error=FT_New_Face(ft_library,(const char*)file,face_index,&face); - FcFontSetDestroy(fs); - } else - synfig::warning("Layer_Freetype: fontconfig: %s",_("empty font set")); - } - } -#endif - -#ifdef WIN32 - if(error)error=FT_New_Face(ft_library,("C:\\WINDOWS\\FONTS\\"+newfont).c_str(),face_index,&face); - if(error)error=FT_New_Face(ft_library,("C:\\WINDOWS\\FONTS\\"+newfont+".ttf").c_str(),face_index,&face); -#else - -#ifdef __APPLE__ - if(error)error=FT_New_Face(ft_library,("~/Library/Fonts/"+newfont).c_str(),face_index,&face); - if(error)error=FT_New_Face(ft_library,("~/Library/Fonts/"+newfont+".ttf").c_str(),face_index,&face); - if(error)error=FT_New_Face(ft_library,("~/Library/Fonts/"+newfont+".dfont").c_str(),face_index,&face); - - if(error)error=FT_New_Face(ft_library,("/Library/Fonts/"+newfont).c_str(),face_index,&face); - if(error)error=FT_New_Face(ft_library,("/Library/Fonts/"+newfont+".ttf").c_str(),face_index,&face); - if(error)error=FT_New_Face(ft_library,("/Library/Fonts/"+newfont+".dfont").c_str(),face_index,&face); -#endif - - if(error)error=FT_New_Face(ft_library,("/usr/X11R6/lib/X11/fonts/type1/"+newfont).c_str(),face_index,&face); - if(error)error=FT_New_Face(ft_library,("/usr/X11R6/lib/X11/fonts/type1/"+newfont+".ttf").c_str(),face_index,&face); - - if(error)error=FT_New_Face(ft_library,("/usr/share/fonts/truetype/"+newfont).c_str(),face_index,&face); - if(error)error=FT_New_Face(ft_library,("/usr/share/fonts/truetype/"+newfont+".ttf").c_str(),face_index,&face); - - if(error)error=FT_New_Face(ft_library,("/usr/X11R6/lib/X11/fonts/TTF/"+newfont).c_str(),face_index,&face); - if(error)error=FT_New_Face(ft_library,("/usr/X11R6/lib/X11/fonts/TTF/"+newfont+".ttf").c_str(),face_index,&face); - - if(error)error=FT_New_Face(ft_library,("/usr/X11R6/lib/X11/fonts/truetype/"+newfont).c_str(),face_index,&face); - if(error)error=FT_New_Face(ft_library,("/usr/X11R6/lib/X11/fonts/truetype/"+newfont+".ttf").c_str(),face_index,&face); - -#endif - if(error) - { - //synfig::error(strprintf("Layer_Freetype:%s (err=%d)",_("Unable to open face."),error)); - return false; - } - - font=newfont; - - needs_sync_=true; - return true; -} - -bool -Layer_Freetype::set_param(const String & param, const ValueBase &value) -{ - Mutex::Lock lock(mutex); -/* - if(param=="font" && value.same_type_as(font)) - { - new_font(etl::basename(value.get(font)),style,weight); - family=etl::basename(value.get(font)); - return true; - } -*/ - IMPORT_PLUS(family,new_font(family,style,weight)); - IMPORT_PLUS(weight,new_font(family,style,weight)); - IMPORT_PLUS(style,new_font(family,style,weight)); - IMPORT_PLUS(size, if(old_version){size/=2.0;} needs_sync_=true ); - IMPORT_PLUS(text,needs_sync_=true); - IMPORT_PLUS(origin,needs_sync_=true); - IMPORT_PLUS(color, { if (color.get_a() == 0) { if (converted_blend_) { - set_blend_method(Color::BLEND_ALPHA_OVER); - color.set_a(1); } else transparent_color_ = true; } }); - IMPORT(invert); - IMPORT_PLUS(orient,needs_sync_=true); - IMPORT_PLUS(compress,needs_sync_=true); - IMPORT_PLUS(vcompress,needs_sync_=true); - IMPORT_PLUS(use_kerning,needs_sync_=true); - IMPORT_PLUS(grid_fit,needs_sync_=true); - - IMPORT_AS(origin,"pos"); - - return Layer_Composite::set_param(param,value); -} - -ValueBase -Layer_Freetype::get_param(const String& param)const -{ - EXPORT(font); - EXPORT(family); - EXPORT(style); - EXPORT(weight); - EXPORT(size); - EXPORT(text); - EXPORT(color); - EXPORT(origin); - EXPORT(orient); - EXPORT(compress); - EXPORT(vcompress); - EXPORT(use_kerning); - EXPORT(grid_fit); - EXPORT(invert); - - EXPORT_NAME(); - EXPORT_VERSION(); - - return Layer_Composite::get_param(param); -} - -Layer::Vocab -Layer_Freetype::get_param_vocab(void)const -{ - Layer::Vocab ret(Layer_Composite::get_param_vocab()); - - ret.push_back(ParamDesc("text") - .set_local_name(_("Text")) - .set_description(_("Text to Render")) - .set_hint("paragraph") - ); - - ret.push_back(ParamDesc("color") - .set_local_name(_("Color")) - .set_description(_("Color of the text")) - ); - - ret.push_back(ParamDesc("family") - .set_local_name(_("Font Family")) - .set_hint("font_family") - ); - - ret.push_back(ParamDesc("style") - .set_local_name(_("Style")) - .set_hint("enum") - .add_enum_value(PANGO_STYLE_NORMAL, "normal" ,_("Normal")) - .add_enum_value(PANGO_STYLE_OBLIQUE, "oblique" ,_("Oblique")) - .add_enum_value(PANGO_STYLE_ITALIC, "italic" ,_("Italic")) - ); - - ret.push_back(ParamDesc("weight") - .set_local_name(_("Weight")) - .set_hint("enum") - .add_enum_value(200, "ultralight" ,_("Ultralight")) - .add_enum_value(300, "light" ,_("light")) - .add_enum_value(400, "normal" ,_("Normal")) - .add_enum_value(700, "bold" ,_("Bold")) - .add_enum_value(800, "ultrabold" ,_("Ultrabold")) - .add_enum_value(900, "heavy" ,_("Heavy")) - ); - ret.push_back(ParamDesc("compress") - .set_local_name(_("Horizontal Spacing")) - .set_description(_("Describes how close glyphs are horizontally")) - ); - - ret.push_back(ParamDesc("vcompress") - .set_local_name(_("Vertical Spacing")) - .set_description(_("Describes how close lines of text are vertically")) - ); - - ret.push_back(ParamDesc("size") - .set_local_name(_("Size")) - .set_description(_("Size of the text")) - .set_hint("size") - .set_origin("origin") - .set_scalar(1) - ); - - ret.push_back(ParamDesc("orient") - .set_local_name(_("Orientation")) - .set_description(_("Text Orientation")) - .set_invisible_duck() - ); - - ret.push_back(ParamDesc("origin") - .set_local_name(_("Origin")) - .set_description(_("Text Position")) - ); - - ret.push_back(ParamDesc("font") - .set_local_name(_("Font")) - .set_description(_("Filename of the font to use")) - .set_hint("filename") - .not_critical() - .hidden() - ); - - ret.push_back(ParamDesc("use_kerning") - .set_local_name(_("Kerning")) - .set_description(_("Enables/Disables font kerning (If the font supports it)")) - ); - - ret.push_back(ParamDesc("grid_fit") - .set_local_name(_("Sharpen Edges")) - .set_description(_("Turn this off if you are going to be animating the text")) - ); - ret.push_back(ParamDesc("invert") - .set_local_name(_("Invert")) - ); - return ret; -} - -void -Layer_Freetype::sync() -{ - needs_sync_=false; -} - -inline Color -Layer_Freetype::color_func(const Point &point_ __attribute__ ((unused)), int quality __attribute__ ((unused)), float supersample __attribute__ ((unused)))const -{ - if (invert) - return color; - else - return Color::alpha(); -} - -Color -Layer_Freetype::get_color(Context context, const synfig::Point &pos)const -{ - if(needs_sync_) - const_cast(this)->sync(); - - const Color color(color_func(pos,0)); - - if(!face) - return context.get_color(pos); - - if(get_amount()==1.0 && get_blend_method()==Color::BLEND_STRAIGHT) - return color; - else - return Color::blend(color,context.get_color(pos),get_amount(),get_blend_method()); -} - -bool -Layer_Freetype::accelerated_render(Context context,Surface *surface,int quality, const RendDesc &renddesc, ProgressCallback *cb)const -{ - static synfig::RecMutex freetype_mutex; - - if(needs_sync_) - const_cast(this)->sync(); - - int error; - Vector size(Layer_Freetype::size*2); - - if(!context.accelerated_render(surface,quality,renddesc,cb)) - return false; - - if(is_disabled() || text.empty()) - return true; - - // If there is no font loaded, just bail - if(!face) - { - if(cb)cb->warning(string("Layer_Freetype:")+_("No face loaded, no text will be rendered.")); - return true; - } - - String text(Layer_Freetype::text); - if(text=="@_FILENAME_@" && get_canvas() && !get_canvas()->get_file_name().empty()) - { - text=basename(get_canvas()->get_file_name()); - } - - // Width and Height of a pixel - Vector::value_type pw=renddesc.get_w()/(renddesc.get_br()[0]-renddesc.get_tl()[0]); - Vector::value_type ph=renddesc.get_h()/(renddesc.get_br()[1]-renddesc.get_tl()[1]); - - // Calculate character width and height - int w=abs(round_to_int(size[0]*pw)); - int h=abs(round_to_int(size[1]*ph)); - - //int bx=(int)((origin[0]-renddesc.get_tl()[0])*pw*64+0.5); - //int by=(int)((origin[1]-renddesc.get_tl()[1])*ph*64+0.5); - int bx=0; - int by=0; - - // If the font is the size of a pixel, don't bother rendering any text - if(w<=1 || h<=1) - { - if(cb)cb->warning(string("Layer_Freetype:")+_("Text too small, no text will be rendered.")); - return true; - } - - synfig::RecMutex::Lock lock(freetype_mutex); - -#define CHAR_RESOLUTION (64) - error = FT_Set_Char_Size( - face, // handle to face object - (int)CHAR_RESOLUTION, // char_width in 1/64th of points - (int)CHAR_RESOLUTION, // char_height in 1/64th of points - round_to_int(abs(size[0]*pw*CHAR_RESOLUTION)), // horizontal device resolution - round_to_int(abs(size[1]*ph*CHAR_RESOLUTION)) ); // vertical device resolution - - // Here is where we can compensate for the - // error in freetype's rendering engine. - const float xerror(abs(size[0]*pw)/(float)face->size->metrics.x_ppem/1.13f/0.996); - const float yerror(abs(size[1]*ph)/(float)face->size->metrics.y_ppem/1.13f/0.996); - //synfig::info("xerror=%f, yerror=%f",xerror,yerror); - const float compress(Layer_Freetype::compress*xerror); - const float vcompress(Layer_Freetype::vcompress*yerror); - - if(error) - { - if(cb)cb->warning(string("Layer_Freetype:")+_("Unable to set face size.")+strprintf(" (err=%d)",error)); - } - - FT_GlyphSlot slot = face->glyph; // a small shortcut - FT_UInt glyph_index(0); - FT_UInt previous(0); - int u,v; - - std::list lines; - - /* - -- ** -- CREATE GLYPHS ------------------------------------------------------- - */ - - mbstate_t ps; - memset(&ps, 0, sizeof(ps)); - - lines.push_front(TextLine()); - string::const_iterator iter; - for (iter=text.begin(); iter!=text.end(); ++iter) - { - int multiplier(1); - if(*iter=='\n') - { - lines.push_front(TextLine()); - bx=0; - by=0; - previous=0; - continue; - } - if(*iter=='\t') - { - multiplier=8; - glyph_index = FT_Get_Char_Index( face, ' ' ); - } - else - { - wchar_t wc; - size_t converted = mbrtowc(&wc, &(*iter), text.end() - iter, &ps); - - if(converted == (size_t)(-1)) - { - synfig::warning("Layer_Freetype: multibyte: %s", - _("Invalid multibyte sequence - is the locale set?\n")); - continue; - } - - if(converted == (size_t)(-2)) - { - synfig::warning("Layer_Freetype: multibyte: %s", - _("Can't parse multibyte character.\n")); - continue; - } - - glyph_index = FT_Get_Char_Index( face, wc ); - - if(converted > 1) - iter += converted - 1; - } - - // retrieve kerning distance and move pen position - if ( FT_HAS_KERNING(face) && use_kerning && previous && glyph_index ) - { - FT_Vector delta; - - if(grid_fit) - FT_Get_Kerning( face, previous, glyph_index, ft_kerning_default, &delta ); - else - FT_Get_Kerning( face, previous, glyph_index, ft_kerning_unfitted, &delta ); - - if(compress<1.0f) - { - bx += round_to_int(delta.x*compress); - by += round_to_int(delta.y*compress); - } - else - { - bx += delta.x; - by += delta.y; - } - } - - Glyph curr_glyph; - - // store current pen position - curr_glyph.pos.x = bx; - curr_glyph.pos.y = by; - - // load glyph image into the slot. DO NOT RENDER IT !! - if(grid_fit) - error = FT_Load_Glyph( face, glyph_index, FT_LOAD_DEFAULT); - else - error = FT_Load_Glyph( face, glyph_index, FT_LOAD_DEFAULT|FT_LOAD_NO_HINTING ); - if (error) continue; // ignore errors, jump to next glyph - - // extract glyph image and store it in our table - error = FT_Get_Glyph( face->glyph, &curr_glyph.glyph ); - if (error) continue; // ignore errors, jump to next glyph - - // record current glyph index - previous = glyph_index; - - // Update the line width - lines.front().width=bx+slot->advance.x; - - // increment pen position - if(multiplier>1) - bx += round_to_int(slot->advance.x*multiplier*compress)-bx%round_to_int(slot->advance.x*multiplier*compress); - else - bx += round_to_int(slot->advance.x*compress*multiplier); - - //bx += round_to_int(slot->advance.x*compress*multiplier); - //by += round_to_int(slot->advance.y*compress); - by += slot->advance.y*multiplier; - - lines.front().glyph_table.push_back(curr_glyph); - - } - - //float string_height; - //string_height=(((lines.size()-1)*face->size->metrics.height+lines.back().actual_height())); - - //int string_height=face->size->metrics.ascender; -//#define METRICS_SCALE_ONE (65536.0f) -#define METRICS_SCALE_ONE ((float)(1<<16)) - - float line_height; - line_height=vcompress*((float)face->height*(((float)face->size->metrics.y_scale/METRICS_SCALE_ONE))); - - // This module sees to expect pixel height to be negative, as it - // usually is. But rendering to .bmp format causes ph to be - // positive, which was causing text to be rendered upside down. - if (ph>0) line_height = -line_height; - - int string_height; - string_height=round_to_int(((lines.size()-1)*line_height+lines.back().actual_height())); - //synfig::info("string_height=%d",string_height); - //synfig::info("line_height=%f",line_height); - - /* - -- ** -- RENDER THE GLYPHS --------------------------------------------------- - */ - - Surface src_; - Surface *src_surface; - - src_surface=surface; - - if(invert) - { - src_=*surface; - Surface::alpha_pen pen(surface->begin(),get_amount(),get_blend_method()); - - surface->fill(color,pen,src_.get_w(),src_.get_h()); - - src_surface=&src_; - } - - { - std::list::iterator iter; - int curr_line; - for(curr_line=0,iter=lines.begin();iter!=lines.end();++iter,curr_line++) - { - bx=round_to_int((origin[0]-renddesc.get_tl()[0])*pw*CHAR_RESOLUTION-orient[0]*iter->width); - // I've no idea why 1.5, but it kind of works. Otherwise, - // rendering to .bmp (which renders from bottom to top, due to - // the .bmp format describing the image from bottom to top, - // renders text in the wrong place. - by=round_to_int((origin[1]-renddesc.get_tl()[1])*ph*CHAR_RESOLUTION + - (1.0-orient[1])*string_height-line_height*curr_line + - ((ph>0) ? line_height/1.5 : 0)); - - //by=round_to_int(vcompress*((origin[1]-renddesc.get_tl()[1])*ph*64+(1.0-orient[1])*string_height-face->size->metrics.height*curr_line)); - //synfig::info("curr_line=%d, bx=%d, by=%d",curr_line,bx,by); - - std::vector::iterator iter2; - for(iter2=iter->glyph_table.begin();iter2!=iter->glyph_table.end();++iter2) - { - FT_Glyph image(iter2->glyph); - FT_Vector pen; - FT_BitmapGlyph bit; - - pen.x = bx + iter2->pos.x; - pen.y = by + iter2->pos.y; - - //synfig::info("GLYPH: line %d, pen.x=%d, pen,y=%d",curr_line,(pen.x+32)>>6,(pen.y+32)>>6); - - error = FT_Glyph_To_Bitmap( &image, ft_render_mode_normal,0/*&pen*/, 1 ); - if(error) { FT_Done_Glyph( image ); continue; } - - bit = (FT_BitmapGlyph)image; - - for(v=0;vbitmap.rows;v++) - for(u=0;ubitmap.width;u++) - { - int x=u+((pen.x+32)>>6)+ bit->left; - int y=((pen.y+32)>>6) + (bit->top - v) * ((ph<0) ? -1 : 1); - if( y>=0 && - x>=0 && - yget_h() && - xget_w()) - { - float myamount=(float)bit->bitmap.buffer[v*bit->bitmap.pitch+u]/255.0f; - if(invert) - myamount=1.0f-myamount; - (*surface)[y][x]=Color::blend(color,(*src_surface)[y][x],myamount*get_amount(),get_blend_method()); - } - } - - FT_Done_Glyph( image ); - } - //iter->clear_and_free(); - } - } - - return true; -} - -synfig::Rect -Layer_Freetype::get_bounding_rect()const -{ - if(needs_sync_) - const_cast(this)->sync(); -// if(!is_disabled()) - return synfig::Rect::full_plane(); -}