X-Git-Url: https://git.octo.it/?p=rrdtool.git;a=blobdiff_plain;f=libraries%2Ffreetype-2.0.5%2Fpcfdriver.c;fp=libraries%2Ffreetype-2.0.5%2Fpcfdriver.c;h=0000000000000000000000000000000000000000;hp=6c34524fe98076242dc7b5b2be547c5dc379d83a;hb=bab0189ee9d56aca8bea909275317ab4e0be09ee;hpb=b837c0527f117b54845242ee7626df6d88394444 diff --git a/libraries/freetype-2.0.5/pcfdriver.c b/libraries/freetype-2.0.5/pcfdriver.c deleted file mode 100644 index 6c34524..0000000 --- a/libraries/freetype-2.0.5/pcfdriver.c +++ /dev/null @@ -1,345 +0,0 @@ -/* pcfdriver.c - - FreeType font driver for pcf files - - Copyright (C) 2000-2001 by - Francesco Zappa Nardelli - -Permission is hereby granted, free of charge, to any person obtaining a copy -of this software and associated documentation files (the "Software"), to deal -in the Software without restriction, including without limitation the rights -to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -copies of the Software, and to permit persons to whom the Software is -furnished to do so, subject to the following conditions: - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN -THE SOFTWARE. -*/ - - -#include - -#include FT_INTERNAL_DEBUG_H -#include FT_INTERNAL_STREAM_H -#include FT_INTERNAL_OBJECTS_H - -#include "pcf.h" -#include "pcfdriver.h" -#include "pcfutil.h" - -#include "pcferror.h" - - - /*************************************************************************/ - /* */ - /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ - /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ - /* messages during execution. */ - /* */ -#undef FT_COMPONENT -#define FT_COMPONENT trace_pcfdriver - - - FT_LOCAL_DEF FT_Error - PCF_Done_Face( PCF_Face face ) - { - FT_Memory memory = FT_FACE_MEMORY( face ); - PCF_Property tmp = face->properties; - int i; - - - FREE( face->encodings ); - FREE( face->metrics ); - - for ( i = 0; i < face->nprops; i++ ) - { - FREE( tmp->name ); - if ( tmp->isString ) - FREE( tmp->value ); - } - FREE( face->properties ); - - FT_TRACE4(( "DONE_FACE!!!\n" )); - - return PCF_Err_Ok; - } - - - static FT_Error - PCF_Init_Face( FT_Stream stream, - PCF_Face face, - FT_Int face_index, - FT_Int num_params, - FT_Parameter* params ) - { - FT_Error error = PCF_Err_Ok; - - FT_UNUSED( num_params ); - FT_UNUSED( params ); - FT_UNUSED( face_index ); - - - error = pcf_load_font( stream, face ); - if ( error ) - goto Fail; - - return PCF_Err_Ok; - - Fail: - FT_TRACE2(( "[not a valid PCF file]\n" )); - PCF_Done_Face( face ); - - return PCF_Err_Unknown_File_Format; /* error */ - } - - - static FT_Error - PCF_Set_Pixel_Size( FT_Size size ) - { - PCF_Face face = (PCF_Face)FT_SIZE_FACE( size ); - - - FT_TRACE4(( "rec %d - pres %d\n", size->metrics.y_ppem, - face->root.available_sizes->height )); - - if ( size->metrics.y_ppem == face->root.available_sizes->height ) - { - size->metrics.ascender = face->accel.fontAscent << 6; - size->metrics.descender = face->accel.fontDescent * (-64); -#if 0 - size->metrics.height = face->accel.maxbounds.ascent << 6; -#endif - size->metrics.height = size->metrics.ascender - - size->metrics.descender; - - return PCF_Err_Ok; - } - else - { - FT_TRACE4(( "size WRONG\n" )); - return PCF_Err_Invalid_Pixel_Size; - } - } - - - static FT_Error - PCF_Load_Glyph( FT_GlyphSlot slot, - FT_Size size, - FT_UInt glyph_index, - FT_Int load_flags ) - { - PCF_Face face = (PCF_Face)FT_SIZE_FACE( size ); - FT_Error error = PCF_Err_Ok; - FT_Memory memory = FT_FACE(face)->memory; - FT_Bitmap* bitmap = &slot->bitmap; - PCF_Metric metric; - int bytes; - - FT_Stream stream = face->root.stream; - - FT_UNUSED( load_flags ); - - - FT_TRACE4(( "load_glyph %d ---", glyph_index )); - - if ( !face ) - { - error = PCF_Err_Invalid_Argument; - goto Exit; - } - - metric = face->metrics + glyph_index; - - bitmap->rows = metric->ascent + metric->descent; - bitmap->width = metric->rightSideBearing - metric->leftSideBearing; - bitmap->num_grays = 1; - bitmap->pixel_mode = ft_pixel_mode_mono; - - FT_TRACE6(( "BIT_ORDER %d ; BYTE_ORDER %d ; GLYPH_PAD %d\n", - PCF_BIT_ORDER( face->bitmapsFormat ), - PCF_BYTE_ORDER( face->bitmapsFormat ), - PCF_GLYPH_PAD( face->bitmapsFormat ) )); - - switch ( PCF_GLYPH_PAD( face->bitmapsFormat ) ) - { - case 1: - bitmap->pitch = ( bitmap->width + 7 ) >> 3; - break; - - case 2: - bitmap->pitch = ( ( bitmap->width + 15 ) >> 4 ) << 1; - break; - - case 4: - bitmap->pitch = ( ( bitmap->width + 31 ) >> 5 ) << 2; - break; - - case 8: - bitmap->pitch = ( ( bitmap->width + 63 ) >> 6 ) << 3; - break; - - default: - return PCF_Err_Invalid_File_Format; - } - - /* XXX: to do: are there cases that need repadding the bitmap? */ - bytes = bitmap->pitch * bitmap->rows; - - if ( ALLOC( bitmap->buffer, bytes ) ) - goto Exit; - - if ( FILE_Seek( metric->bits ) || - FILE_Read( bitmap->buffer, bytes ) ) - goto Exit; - - if ( PCF_BIT_ORDER( face->bitmapsFormat ) != MSBFirst ) - BitOrderInvert( bitmap->buffer,bytes ); - - if ( ( PCF_BYTE_ORDER( face->bitmapsFormat ) != - PCF_BIT_ORDER( face->bitmapsFormat ) ) ) - { - switch ( PCF_SCAN_UNIT( face->bitmapsFormat ) ) - { - case 1: - break; - - case 2: - TwoByteSwap( bitmap->buffer, bytes ); - break; - - case 4: - FourByteSwap( bitmap->buffer, bytes ); - break; - } - } - - slot->bitmap_left = metric->leftSideBearing; - slot->bitmap_top = metric->ascent; - - slot->metrics.horiAdvance = metric->characterWidth << 6 ; - slot->metrics.horiBearingX = metric->rightSideBearing << 6 ; - slot->metrics.horiBearingY = metric->ascent << 6 ; - slot->metrics.width = metric->characterWidth << 6 ; - slot->metrics.height = bitmap->rows << 6; - - slot->linearHoriAdvance = (FT_Fixed)bitmap->width << 16; - slot->format = ft_glyph_format_bitmap; - slot->flags = ft_glyph_own_bitmap; - - FT_TRACE4(( " --- ok\n" )); - - Exit: - return error; - } - - - static FT_UInt - PCF_Get_Char_Index( FT_CharMap charmap, - FT_Long char_code ) - { - PCF_Face face = (PCF_Face)charmap->face; - PCF_Encoding en_table = face->encodings; - int low, high, mid; - - - FT_TRACE4(( "get_char_index %ld\n", char_code )); - - low = 0; - high = face->nencodings - 1; - while ( low <= high ) - { - mid = ( low + high ) / 2; - if ( char_code < en_table[mid].enc ) - high = mid - 1; - else if ( char_code > en_table[mid].enc ) - low = mid + 1; - else - return en_table[mid].glyph; - } - - return 0; - } - - - FT_CALLBACK_TABLE_DEF - const FT_Driver_Class pcf_driver_class = - { - { - ft_module_font_driver, - sizeof ( FT_DriverRec ), - - "pcf", - 0x10000L, - 0x20000L, - - 0, - - (FT_Module_Constructor)0, - (FT_Module_Destructor) 0, - (FT_Module_Requester) 0 - }, - - sizeof( PCF_FaceRec ), - sizeof( FT_SizeRec ), - sizeof( FT_GlyphSlotRec ), - - (FTDriver_initFace) PCF_Init_Face, - (FTDriver_doneFace) PCF_Done_Face, - (FTDriver_initSize) 0, - (FTDriver_doneSize) 0, - (FTDriver_initGlyphSlot)0, - (FTDriver_doneGlyphSlot)0, - - (FTDriver_setCharSizes) PCF_Set_Pixel_Size, - (FTDriver_setPixelSizes)PCF_Set_Pixel_Size, - - (FTDriver_loadGlyph) PCF_Load_Glyph, - (FTDriver_getCharIndex) PCF_Get_Char_Index, - - (FTDriver_getKerning) 0, - (FTDriver_attachFile) 0, - (FTDriver_getAdvances) 0 - }; - - -#ifdef FT_CONFIG_OPTION_DYNAMIC_DRIVERS - - - /*************************************************************************/ - /* */ - /* */ - /* getDriverClass */ - /* */ - /* */ - /* This function is used when compiling the TrueType driver as a */ - /* shared library (`.DLL' or `.so'). It will be used by the */ - /* high-level library of FreeType to retrieve the address of the */ - /* driver's generic interface. */ - /* */ - /* It shouldn't be implemented in a static build, as each driver must */ - /* have the same function as an exported entry point. */ - /* */ - /* */ - /* The address of the TrueType's driver generic interface. The */ - /* format-specific interface can then be retrieved through the method */ - /* interface->get_format_interface. */ - /* */ - FT_EXPORT_DEF( const FT_Driver_Class* ) - getDriverClass( void ) - { - return &pcf_driver_class; - } - - -#endif /* FT_CONFIG_OPTION_DYNAMIC_DRIVERS */ - - -/* END */