diff options
Diffstat (limited to 'Build/source/texk/dvipng/dvipng-src/ft.c')
-rw-r--r-- | Build/source/texk/dvipng/dvipng-src/ft.c | 179 |
1 files changed, 0 insertions, 179 deletions
diff --git a/Build/source/texk/dvipng/dvipng-src/ft.c b/Build/source/texk/dvipng/dvipng-src/ft.c deleted file mode 100644 index 9609b10a10e..00000000000 --- a/Build/source/texk/dvipng/dvipng-src/ft.c +++ /dev/null @@ -1,179 +0,0 @@ -/* ft.c */ - -/************************************************************************ - - Part of the dvipng distribution - - This program is free software: you can redistribute it and/or modify - it under the terms of the GNU Lesser General Public License as - published by the Free Software Foundation, either version 3 of the - License, or (at your option) any later version. - - This program 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 - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with this program. If not, see - <http://www.gnu.org/licenses/>. - - Copyright (C) 2002-2009 Jan-Åke Larsson - -************************************************************************/ - -#include "dvipng.h" - -void LoadFT(int32_t c, struct char_entry * ptr) -{ - FT_Bitmap bitmap; - FT_UInt glyph_i; - int i,j,k; - unsigned char* bit; - static bool hintwarning=false; - - DEBUG_PRINT(DEBUG_FT,("\n LOAD FT CHAR\t%d (%d)",c,ptr->tfmw)); - if (currentfont->psfontmap!=NULL - && currentfont->psfontmap->encoding != NULL) { - DEBUG_PRINT(DEBUG_FT,(" %s",currentfont->psfontmap->encoding->charname[c])); - glyph_i = FT_Get_Name_Index(currentfont->face, - currentfont->psfontmap->encoding->charname[c]); - } else if (currentfont->psfontmap!=NULL - && currentfont->psfontmap->subfont != NULL) { - glyph_i = FT_Get_Char_Index( currentfont->face, - currentfont->psfontmap->subfont->charindex[c] ); - DEBUG_PRINT(DEBUG_FT,(" 0x%X",currentfont->psfontmap->subfont->charindex[c])); - } else - glyph_i = FT_Get_Char_Index( currentfont->face, c ); - if (FT_Load_Glyph( currentfont->face, glyph_i, - FT_LOAD_RENDER | FT_LOAD_TARGET_LIGHT )) { - /* On some configurations (with FreeType <= 2.1.7) the above - fails, while the below works */ - if (!hintwarning) { - hintwarning=true; - Warning("the used FreeType does not have target_light hinting"); - } - if (FT_Load_Glyph( currentfont->face, glyph_i, - FT_LOAD_RENDER | FT_LOAD_NO_HINTING )) - Fatal("cannot load FT char %d",c); - } - ptr->xOffset = -currentfont->face->glyph->bitmap_left*shrinkfactor; - ptr->yOffset = (currentfont->face->glyph->bitmap_top-1)*shrinkfactor; - bitmap=currentfont->face->glyph->bitmap; - DEBUG_PRINT(DEBUG_FT,(" (%dx%d)",bitmap.width,bitmap.rows)); - - if ((ptr->data = calloc(bitmap.width*bitmap.rows,sizeof(char))) == NULL) - Fatal("unable to malloc image space for char %c", (char)c); - ptr->w = bitmap.width; - ptr->h = bitmap.rows; - -#define GREYLEVELS 16 - DEBUG_PRINT(DEBUG_GLYPH,("\nDRAW GLYPH %d\n", (int)c)); - bit=ptr->data; - for(i=0;i<bitmap.rows;i++) { - for(j=0;j<bitmap.width;j++) { - k=bitmap.buffer[i*bitmap.pitch+j]/(256/GREYLEVELS)*17; - /* k=(bitmap.buffer[i*bitmap.pitch+j]+1)/16; */ - /* k= k>0 ? k*16-1 : 0; */ - DEBUG_PRINT(DEBUG_GLYPH,("%3u ",k)); - bit[i*bitmap.width+j]=k; - } - DEBUG_PRINT(DEBUG_GLYPH,("|\n")); - } -} - -bool InitFT(struct font_entry * tfontp) -{ - int error; - - if (libfreetype==NULL) { - if (FT_Init_FreeType( &libfreetype )) { - Warning("an error occured during freetype initialisation, disabling it"); - option_flags &= ~USE_FREETYPE; - return(false); - } -# ifdef DEBUG - else { - FT_Int amajor, aminor, apatch; - - DEBUG_PRINT(DEBUG_FT,("\n COMPILED WITH FREETYPE %d.%d.%d", - FREETYPE_MAJOR, FREETYPE_MINOR, FREETYPE_PATCH)); -# ifdef HAVE_FT_LIBRARY_VERSION - FT_Library_Version( libfreetype, &amajor, &aminor, &apatch ); - DEBUG_PRINT(DEBUG_FT,("\n USING LIBFT %d.%d.%d", - amajor, aminor, apatch)); -# endif - } -# endif - } - DEBUG_PRINT((DEBUG_DVI|DEBUG_FT),("\n OPEN FT FONT:\t'%s'", tfontp->name)); - error = FT_New_Face( libfreetype, tfontp->name, 0, &tfontp->face ); - if (error == FT_Err_Unknown_File_Format) { - Warning("font file %s has unknown format", tfontp->name); - return(false); - } else if (error) { - Warning("font file %s could not be opened", tfontp->name); - return(false); - } - Message(BE_VERBOSE,"<%s>", tfontp->name); - if (tfontp->psfontmap != NULL && tfontp->psfontmap->subfont != NULL) - error=FT_Select_Charmap(tfontp->face, tfontp->psfontmap->subfont->encoding); - else if (tfontp->psfontmap == NULL || tfontp->psfontmap->encoding == NULL) -#ifndef FT_ENCODING_ADOBE_CUSTOM -# define FT_ENCODING_ADOBE_CUSTOM ft_encoding_adobe_custom -# define FT_ENCODING_ADOBE_STANDARD ft_encoding_adobe_standard -#endif - error=FT_Select_Charmap(tfontp->face, FT_ENCODING_ADOBE_CUSTOM); - if (error) { - Warning("unable to set font encoding for %s", tfontp->name); - if(FT_Select_Charmap( tfontp->face, FT_ENCODING_ADOBE_STANDARD )) { - Warning("unable to set fallback font encoding for %s", tfontp->name); - return(false); - } - } - if (FT_Set_Char_Size( tfontp->face, /* handle to face object */ - 0, /* char_width in 1/64th of points */ - ((int64_t)tfontp->d*64*7200)/7227/65536, - /* char_height in 1/64th of _big_points, - not TeX points */ - tfontp->dpi/shrinkfactor, /* horizontal resolution */ - tfontp->dpi/shrinkfactor )) /* vertical resolution */ { - Warning("unable to set font size for %s", tfontp->name); - return(false); - } - if (tfontp->psfontmap!=NULL) - FT_Set_Transform(tfontp->face, tfontp->psfontmap->ft_transformp, NULL); - tfontp->type = FONT_TYPE_FT; - return(true); -} - - -static void UnLoadFT(struct char_entry *ptr) -{ - if (ptr->data!=NULL) - free(ptr->data); - ptr->data=NULL; -} - - -void DoneFT(struct font_entry *tfontp) -{ - int c=0; - - int error = FT_Done_Face( tfontp->face ); - if (error) - Warning("font file %s could not be closed", tfontp->name); - while(c<NFNTCHARS) { - if (tfontp->chr[c]!=NULL) { - UnLoadFT((struct char_entry*)tfontp->chr[c]); - free(tfontp->chr[c]); - tfontp->chr[c]=NULL; - } - c++; - } - if (tfontp->name!=NULL) - free(tfontp->name); - tfontp->name=NULL; -} - - |