-/*! ========================================================================
-** Synfig
-** Template File
-** $Id: lyr_freetype.cpp,v 1.5 2005/01/24 05:00:18 darco Exp $
+/* === 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
** 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 ===========================================================
**
#endif
#include "lyr_freetype.h"
-
-
#endif
using namespace std;
#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(lyr_freetype);
-SYNFIG_LAYER_SET_NAME(lyr_freetype,"text");
-SYNFIG_LAYER_SET_LOCAL_NAME(lyr_freetype,_("Simple Text"));
-SYNFIG_LAYER_SET_CATEGORY(lyr_freetype,_("Typography"));
-SYNFIG_LAYER_SET_VERSION(lyr_freetype,"0.2");
-SYNFIG_LAYER_SET_CVS_ID(lyr_freetype,"$Id: lyr_freetype.cpp,v 1.5 2005/01/24 05:00:18 darco Exp $");
+SYNFIG_LAYER_INIT(Layer_Freetype);
+SYNFIG_LAYER_SET_NAME(Layer_Freetype,"text");
+SYNFIG_LAYER_SET_LOCAL_NAME(Layer_Freetype,N_("Text"));
+SYNFIG_LAYER_SET_CATEGORY(Layer_Freetype,N_("Other"));
+SYNFIG_LAYER_SET_VERSION(Layer_Freetype,"0.2");
+SYNFIG_LAYER_SET_CVS_ID(Layer_Freetype,"$Id$");
/* === P R O C E D U R E S ================================================= */
/* === M E T H O D S ======================================================= */
-lyr_freetype::lyr_freetype()
+Layer_Freetype::Layer_Freetype()
{
face=0;
invert=false;
}
-lyr_freetype::~lyr_freetype()
+Layer_Freetype::~Layer_Freetype()
{
if(face)
FT_Done_Face(face);
}
void
-lyr_freetype::new_font(const synfig::String &family, int style, int weight)
+Layer_Freetype::new_font(const synfig::String &family, int style, int weight)
{
if(
!new_font_(family,style,weight) &&
}
bool
-lyr_freetype::new_font_(const synfig::String &font_fam_, int style, int weight)
+Layer_Freetype::new_font_(const synfig::String &font_fam_, int style, int weight)
{
synfig::String font_fam(font_fam_);
//end evil hack
if(font_fam=="arial black")
+ {
#ifndef __APPLE__
- if(new_face("ariblk"))
+ if(new_face("ariblk"))
return true;
else
#endif
font_fam="sans serif";
+ }
if(font_fam=="sans serif" || font_fam=="arial")
{
return true;
}
-
if(font_fam=="sans serif" || font_fam=="luxi sans")
{
{
if(style==PANGO_STYLE_ITALIC||style==PANGO_STYLE_OBLIQUE)
luxi+='i';
-
if(new_face(luxi))
return true;
}
#endif
bool
-lyr_freetype::new_face(const String &newfont)
+Layer_Freetype::new_face(const String &newfont)
{
int error;
FT_Long face_index=0;
if(get_canvas())
{
- if(error)error=FT_New_Face(ft_library,(get_canvas()->get_file_path()+ETL_DIRECTORY_SEPERATOR+newfont).c_str(),face_index,&face);
- if(error)error=FT_New_Face(ft_library,(get_canvas()->get_file_path()+ETL_DIRECTORY_SEPERATOR+newfont+".ttf").c_str(),face_index,&face);
+ 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
synfig::info(__FILE__":%d: \"%s\" -- ft_error=%d",__LINE__,newfont.c_str(),error);
// Unable to generate fs_spec
}
-
}
#endif
FcResult result;
if( !FcInit() )
{
- synfig::warning("lyr_freetype: fontconfig: %s",_("unable to initialise"));
+ synfig::warning("Layer_Freetype: fontconfig: %s",_("unable to initialize"));
error = 1;
} else {
FcPattern* pat = FcNameParse((FcChar8 *) newfont.c_str());
error=FT_New_Face(ft_library,(const char*)file,face_index,&face);
FcFontSetDestroy(fs);
} else
- synfig::warning("lyr_freetype: fontconfig: %s",_("empty font set"));
+ synfig::warning("Layer_Freetype: fontconfig: %s",_("empty font set"));
}
}
#endif
#endif
if(error)
{
- //synfig::error(strprintf("lyr_freetype:%s (err=%d)",_("Unable to open face."),error));
+ //synfig::error(strprintf("Layer_Freetype:%s (err=%d)",_("Unable to open face."),error));
return false;
}
}
bool
-lyr_freetype::set_param(const String & param, const ValueBase &value)
+Layer_Freetype::set_param(const String & param, const ValueBase &value)
{
Mutex::Lock lock(mutex);
/*
- if(param=="font" && value.same_as(font))
+ if(param=="font" && value.same_type_as(font))
{
new_font(etl::basename(value.get(font)),style,weight);
family=etl::basename(value.get(font));
IMPORT_PLUS(size, if(old_version){size/=2.0;} needs_sync_=true );
IMPORT_PLUS(text,needs_sync_=true);
IMPORT_PLUS(pos,needs_sync_=true);
- IMPORT(color);
+ 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);
}
ValueBase
-lyr_freetype::get_param(const String& param)const
+Layer_Freetype::get_param(const String& param)const
{
EXPORT(font);
EXPORT(family);
}
Layer::Vocab
-lyr_freetype::get_param_vocab(void)const
+Layer_Freetype::get_param_vocab(void)const
{
Layer::Vocab ret(Layer_Composite::get_param_vocab());
.add_enum_value(900, "heavy" ,_("Heavy"))
);
ret.push_back(ParamDesc("compress")
- .set_local_name(_("Hozontal Spacing"))
+ .set_local_name(_("Horizontal Spacing"))
.set_description(_("Describes how close glyphs are horizontally"))
);
}
void
-lyr_freetype::sync()
+Layer_Freetype::sync()
{
needs_sync_=false;
+}
-
-
-
+inline Color
+Layer_Freetype::color_func(const Point &point_, int quality, float supersample)const
+{
+ if (invert)
+ return color;
+ else
+ return Color::alpha();
}
Color
-lyr_freetype::get_color(Context context, const synfig::Point &pos)const
+Layer_Freetype::get_color(Context context, const synfig::Point &pos)const
{
if(needs_sync_)
- const_cast<lyr_freetype*>(this)->sync();
+ const_cast<Layer_Freetype*>(this)->sync();
+
+ const Color color(color_func(pos,0));
if(!face)
return context.get_color(pos);
- 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
-lyr_freetype::accelerated_render(Context context,Surface *surface,int quality, const RendDesc &renddesc, ProgressCallback *cb)const
+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<lyr_freetype*>(this)->sync();
-
-
-
+ const_cast<Layer_Freetype*>(this)->sync();
int error;
- Vector size(lyr_freetype::size*2);
+ Vector size(Layer_Freetype::size*2);
if(!context.accelerated_render(surface,quality,renddesc,cb))
return false;
// If there is no font loaded, just bail
if(!face)
{
- if(cb)cb->warning(string("lyr_freetype:")+_("No face loaded, no text will be rendered."));
+ if(cb)cb->warning(string("Layer_Freetype:")+_("No face loaded, no text will be rendered."));
return true;
}
- String text(lyr_freetype::text);
+ String text(Layer_Freetype::text);
if(text=="@_FILENAME_@" && get_canvas() && !get_canvas()->get_file_name().empty())
{
text=basename(get_canvas()->get_file_name());
// 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("lyr_freetype:")+_("Text too small, no text will be rendered."));
+ if(cb)cb->warning(string("Layer_Freetype:")+_("Text too small, no text will be rendered."));
return true;
}
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(lyr_freetype::compress*xerror);
- const float vcompress(lyr_freetype::vcompress*yerror);
+ const float compress(Layer_Freetype::compress*xerror);
+ const float vcompress(Layer_Freetype::vcompress*yerror);
if(error)
{
- if(cb)cb->warning(string("lyr_freetype:")+_("Unable to set face size.")+strprintf(" (err=%d)",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
-- ** -- 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)
glyph_index = FT_Get_Char_Index( face, ' ' );
}
else
- glyph_index = FT_Get_Char_Index( face, *iter );
+ {
+ 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 )
}
-
//float string_height;
//string_height=(((lines.size()-1)*face->size->metrics.height+lines.back().actual_height()));
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);
}
{
- std::list<TextLine>::iterator iter;
- int curr_line;
- for(curr_line=0,iter=lines.begin();iter!=lines.end();++iter,curr_line++)
- {
- bx=round_to_int((pos[0]-renddesc.get_tl()[0])*pw*CHAR_RESOLUTION-orient[0]*iter->width);
- by=round_to_int((pos[1]-renddesc.get_tl()[1])*ph*CHAR_RESOLUTION+(1.0-orient[1])*string_height-line_height*curr_line);
- //by=round_to_int(vcompress*((pos[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<Glyph>::iterator iter2;
- for(iter2=iter->glyph_table.begin();iter2!=iter->glyph_table.end();++iter2)
+ std::list<TextLine>::iterator iter;
+ int curr_line;
+ for(curr_line=0,iter=lines.begin();iter!=lines.end();++iter,curr_line++)
{
- FT_Glyph image(iter2->glyph);
- FT_Vector pen;
- FT_BitmapGlyph bit;
+ bx=round_to_int((pos[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((pos[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*((pos[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<Glyph>::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;
+ pen.x = bx + iter2->pos.x;
+ pen.y = by + iter2->pos.y;
- //synfig::info("GLYPH: pen.x=%d, pen,y=%d",curr_line,(pen.x+32)>>6,(pen.y+32)>>6);
+ //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; }
+ error = FT_Glyph_To_Bitmap( &image, ft_render_mode_normal,0/*&pen*/, 1 );
+ if(error) { FT_Done_Glyph( image ); continue; }
- bit = (FT_BitmapGlyph)image;
+ bit = (FT_BitmapGlyph)image;
- for(v=0;v<bit->bitmap.rows;v++)
- for(u=0;u<bit->bitmap.width;u++)
- {
- int x=u+((pen.x+32)>>6)+ bit->left;
- int y=v+((pen.y+32)>>6)- bit->top;
- if( y>=0 &&
- x>=0 &&
- y<surface->get_h() &&
- x<surface->get_w())
+ for(v=0;v<bit->bitmap.rows;v++)
+ for(u=0;u<bit->bitmap.width;u++)
{
- 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());
+ 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 &&
+ y<surface->get_h() &&
+ x<surface->get_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 );
+ FT_Done_Glyph( image );
+ }
+ //iter->clear_and_free();
}
- //iter->clear_and_free();
}
- }
-
return true;
}
synfig::Rect
-lyr_freetype::get_bounding_rect()const
+Layer_Freetype::get_bounding_rect()const
{
if(needs_sync_)
- const_cast<lyr_freetype*>(this)->sync();
+ const_cast<Layer_Freetype*>(this)->sync();
// if(!is_disabled())
return synfig::Rect::full_plane();
}
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