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-rw-r--r--libfreetype/bdfdrivr.c674
1 files changed, 0 insertions, 674 deletions
diff --git a/libfreetype/bdfdrivr.c b/libfreetype/bdfdrivr.c
deleted file mode 100644
index 0e9197f0..00000000
--- a/libfreetype/bdfdrivr.c
+++ /dev/null
@@ -1,674 +0,0 @@
-/* bdfdrivr.c
-
- FreeType font driver for bdf files
-
- Copyright (C) 2001-2002 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 <ft2build.h>
-
-#include FT_INTERNAL_DEBUG_H
-#include FT_INTERNAL_STREAM_H
-#include FT_INTERNAL_OBJECTS_H
-
-#include "bdf.h"
-#include "bdfdrivr.h"
-
-#include "bdferror.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_bdfdriver
-
-
- typedef struct BDF_CMapRec_
- {
- FT_CMapRec cmap;
- FT_UInt num_encodings;
- BDF_encoding_el* encodings;
-
- } BDF_CMapRec, *BDF_CMap;
-
-
- FT_CALLBACK_DEF( FT_Error )
- bdf_cmap_init( BDF_CMap cmap )
- {
- BDF_Face face = (BDF_Face)FT_CMAP_FACE( cmap );
-
-
- cmap->num_encodings = face->bdffont->glyphs_used;
- cmap->encodings = face->en_table;
-
- return FT_Err_Ok;
- }
-
-
- FT_CALLBACK_DEF( void )
- bdf_cmap_done( BDF_CMap cmap )
- {
- cmap->encodings = NULL;
- cmap->num_encodings = 0;
- }
-
-
- FT_CALLBACK_DEF( FT_UInt )
- bdf_cmap_char_index( BDF_CMap cmap,
- FT_UInt32 charcode )
- {
- BDF_encoding_el* encodings = cmap->encodings;
- FT_UInt min, max, mid;
- FT_UInt result = 0;
-
-
- min = 0;
- max = cmap->num_encodings;
-
- while ( min < max )
- {
- FT_UInt32 code;
-
-
- mid = ( min + max ) >> 1;
- code = encodings[mid].enc;
-
- if ( charcode == code )
- {
- result = encodings[mid].glyph + 1;
- break;
- }
-
- if ( charcode < code )
- max = mid;
- else
- min = mid + 1;
- }
-
- return result;
- }
-
-
- FT_CALLBACK_DEF( FT_UInt )
- bdf_cmap_char_next( BDF_CMap cmap,
- FT_UInt32 *acharcode )
- {
- BDF_encoding_el* encodings = cmap->encodings;
- FT_UInt min, max, mid;
- FT_UInt32 charcode = *acharcode + 1;
- FT_UInt result = 0;
-
-
- min = 0;
- max = cmap->num_encodings;
-
- while ( min < max )
- {
- FT_UInt32 code;
-
-
- mid = ( min + max ) >> 1;
- code = encodings[mid].enc;
-
- if ( charcode == code )
- {
- result = encodings[mid].glyph + 1;
- goto Exit;
- }
-
- if ( charcode < code )
- max = mid;
- else
- min = mid + 1;
- }
-
- charcode = 0;
- if ( min < cmap->num_encodings )
- {
- charcode = encodings[min].enc;
- result = encodings[min].glyph + 1;
- }
-
- Exit:
- *acharcode = charcode;
- return result;
- }
-
-
- FT_CALLBACK_TABLE_DEF const FT_CMap_ClassRec bdf_cmap_class =
- {
- sizeof( BDF_CMapRec ),
- (FT_CMap_InitFunc) bdf_cmap_init,
- (FT_CMap_DoneFunc) bdf_cmap_done,
- (FT_CMap_CharIndexFunc)bdf_cmap_char_index,
- (FT_CMap_CharNextFunc) bdf_cmap_char_next
- };
-
-
-
-
- FT_CALLBACK_DEF( FT_Error )
- BDF_Face_Done( BDF_Face face )
- {
- FT_Memory memory = FT_FACE_MEMORY( face );
-
-
- bdf_free_font( face->bdffont );
-
- FT_FREE( face->en_table );
-
- FT_FREE( face->charset_encoding );
- FT_FREE( face->charset_registry );
- FT_FREE( face->root.family_name );
-
- FT_FREE( face->root.available_sizes );
-
- FT_FREE( face->bdffont );
-
- FT_TRACE4(( "BDF_Face_Done: done face\n" ));
-
- return BDF_Err_Ok;
- }
-
-
- FT_CALLBACK_DEF( FT_Error )
- BDF_Face_Init( FT_Stream stream,
- BDF_Face face,
- FT_Int face_index,
- FT_Int num_params,
- FT_Parameter* params )
- {
- FT_Error error = BDF_Err_Ok;
- FT_Memory memory = FT_FACE_MEMORY( face );
-
- bdf_font_t* font;
- bdf_options_t options;
-
- FT_UNUSED( num_params );
- FT_UNUSED( params );
- FT_UNUSED( face_index );
-
-
- if ( FT_STREAM_SEEK( 0 ) )
- goto Exit;
-
- options.correct_metrics = 1; /* FZ XXX: options semantics */
- options.keep_unencoded = 1;
- options.keep_comments = 0;
- options.font_spacing = BDF_PROPORTIONAL;
-
- error = bdf_load_font( stream, memory, &options, &font );
- if ( error == BDF_Err_Missing_Startfont_Field )
- {
- FT_TRACE2(( "[not a valid BDF file]\n" ));
- goto Fail;
- }
- else if ( error )
- goto Exit;
-
- /* we have a bdf font: let's construct the face object */
- face->bdffont = font;
- {
- FT_Face root = FT_FACE( face );
- bdf_property_t* prop = NULL;
-
-
- FT_TRACE4(( "number of glyphs: %d (%d)\n",
- font->glyphs_size,
- font->glyphs_used ));
- FT_TRACE4(( "number of unencoded glyphs: %d (%d)\n",
- font->unencoded_size,
- font->unencoded_used ));
-
- root->num_faces = 1;
- root->face_index = 0;
- root->face_flags = FT_FACE_FLAG_FIXED_SIZES |
- FT_FACE_FLAG_HORIZONTAL |
- FT_FACE_FLAG_FAST_GLYPHS;
-
- prop = bdf_get_font_property( font, (char *)"SPACING" );
- if ( prop != NULL )
- if ( prop->format == BDF_ATOM )
- if ( prop->value.atom != NULL )
- if ( ( *(prop->value.atom) == 'M' ) ||
- ( *(prop->value.atom) == 'C' ) )
- root->face_flags |= FT_FACE_FLAG_FIXED_WIDTH;
-
- /* FZ XXX: TO DO: FT_FACE_FLAGS_VERTICAL */
- /* FZ XXX: I need a font to implement this */
-
- root->style_flags = 0;
- prop = bdf_get_font_property( font, (char *)"SLANT" );
- if ( prop != NULL )
- if ( prop->format == BDF_ATOM )
- if ( prop->value.atom != NULL )
- if ( ( *(prop->value.atom) == 'O' ) ||
- ( *(prop->value.atom) == 'I' ) )
- root->style_flags |= FT_STYLE_FLAG_ITALIC;
-
- prop = bdf_get_font_property( font, (char *)"WEIGHT_NAME" );
- if ( prop != NULL )
- if ( prop->format == BDF_ATOM )
- if ( prop->value.atom != NULL )
- if ( *(prop->value.atom) == 'B' )
- root->style_flags |= FT_STYLE_FLAG_BOLD;
-
- prop = bdf_get_font_property( font, (char *)"FAMILY_NAME" );
- if ( ( prop != NULL ) && ( prop->value.atom != NULL ) )
- {
- int l = ft_strlen( prop->value.atom ) + 1;
-
-
- if ( FT_NEW_ARRAY( root->family_name, l ) )
- goto Exit;
- ft_strcpy( root->family_name, prop->value.atom );
- }
- else
- root->family_name = 0;
-
- root->style_name = (char *)"Regular";
- if ( root->style_flags & FT_STYLE_FLAG_BOLD )
- {
- if ( root->style_flags & FT_STYLE_FLAG_ITALIC )
- root->style_name = (char *)"Bold Italic";
- else
- root->style_name = (char *)"Bold";
- }
- else if ( root->style_flags & FT_STYLE_FLAG_ITALIC )
- root->style_name = (char *)"Italic";
-
- root->num_glyphs = font->glyphs_size; /* unencoded included */
-
- root->num_fixed_sizes = 1;
- if ( FT_NEW_ARRAY( root->available_sizes, 1 ) )
- goto Exit;
-
- prop = bdf_get_font_property( font, (char *)"AVERAGE_WIDTH" );
- if ( ( prop != NULL ) && ( prop->value.int32 >= 10 ) )
- root->available_sizes->width = (short)( prop->value.int32 / 10 );
-
- prop = bdf_get_font_property( font, (char *)"PIXEL_SIZE" );
- if ( prop != NULL )
- root->available_sizes->height = (short) prop->value.int32;
- else
- {
- prop = bdf_get_font_property( font, (char *)"POINT_SIZE" );
- if ( prop != NULL )
- {
- bdf_property_t *yres;
-
-
- yres = bdf_get_font_property( font, (char *)"RESOLUTION_Y" );
- if ( yres != NULL )
- {
- FT_TRACE4(( "POINT_SIZE: %d RESOLUTION_Y: %d\n",
- prop->value.int32, yres->value.int32 ));
- root->available_sizes->height =
- (FT_Short)( prop->value.int32 * yres->value.int32 / 720 );
- }
- }
- }
-
- if ( root->available_sizes->width == 0 )
- {
- if ( root->available_sizes->height == 0 )
- {
- /* some fonts have broken SIZE declaration (jiskan24.bdf) */
- FT_ERROR(( "BDF_Face_Init: reading size\n" ));
- root->available_sizes->width = (FT_Short)font->point_size;
- }
- else
- root->available_sizes->width = root->available_sizes->height;
- }
- if ( root->available_sizes->height == 0 )
- root->available_sizes->height = root->available_sizes->width;
-
- /* encoding table */
- {
- bdf_glyph_t* cur = font->glyphs;
- unsigned long n;
-
-
- if ( FT_NEW_ARRAY( face->en_table, font->glyphs_size ) )
- goto Exit;
-
- for ( n = 0; n < font->glyphs_size; n++ )
- {
- (face->en_table[n]).enc = cur[n].encoding;
- FT_TRACE4(( "idx %d, val 0x%lX\n", n, cur[n].encoding ));
- (face->en_table[n]).glyph = (FT_Short)n;
- }
- }
-
- /* charmaps */
- {
- bdf_property_t *charset_registry = 0, *charset_encoding = 0;
- FT_Bool unicode_charmap = 0;
-
-
- charset_registry =
- bdf_get_font_property( font, (char *)"CHARSET_REGISTRY" );
- charset_encoding =
- bdf_get_font_property( font, (char *)"CHARSET_ENCODING" );
- if ( ( charset_registry != NULL ) && ( charset_encoding != NULL ) )
- {
- if ( ( charset_registry->format == BDF_ATOM ) &&
- ( charset_encoding->format == BDF_ATOM ) &&
- ( charset_registry->value.atom != NULL ) &&
- ( charset_encoding->value.atom != NULL ) )
- {
- if ( FT_NEW_ARRAY( face->charset_encoding,
- strlen( charset_encoding->value.atom ) + 1 ) )
- goto Exit;
- if ( FT_NEW_ARRAY( face->charset_registry,
- strlen( charset_registry->value.atom ) + 1 ) )
- goto Exit;
- ft_strcpy( face->charset_registry, charset_registry->value.atom );
- ft_strcpy( face->charset_encoding, charset_encoding->value.atom );
- if ( !ft_strcmp( face->charset_registry, "ISO10646" ) ||
- ( !ft_strcmp( face->charset_registry, "ISO8859" ) &&
- !ft_strcmp( face->charset_encoding, "1" ) ) )
- unicode_charmap = 1;
-
- {
- FT_CharMapRec charmap;
-
-
- charmap.face = FT_FACE( face );
- charmap.encoding = FT_ENCODING_NONE;
- charmap.platform_id = 0;
- charmap.encoding_id = 0;
-
- if ( unicode_charmap )
- {
- charmap.encoding = FT_ENCODING_UNICODE;
- charmap.platform_id = 3;
- charmap.encoding_id = 1;
- }
-
- error = FT_CMap_New( &bdf_cmap_class, NULL, &charmap, NULL );
-
-#if 0
- /* Select default charmap */
- if (root->num_charmaps)
- root->charmap = root->charmaps[0];
-#endif
- }
-
- goto Exit;
- }
- }
-
- /* otherwise assume Adobe standard encoding */
-
- {
- FT_CharMapRec charmap;
-
-
- charmap.face = FT_FACE( face );
- charmap.encoding = FT_ENCODING_ADOBE_STANDARD;
- charmap.platform_id = 7;
- charmap.encoding_id = 0;
-
- error = FT_CMap_New( &bdf_cmap_class, NULL, &charmap, NULL );
-
- /* Select default charmap */
- if (root->num_charmaps)
- root->charmap = root->charmaps[0];
- }
- }
- }
-
- Exit:
- return error;
-
- Fail:
- BDF_Face_Done( face );
- return BDF_Err_Unknown_File_Format;
- }
-
-
- static FT_Error
- BDF_Set_Pixel_Size( FT_Size size )
- {
- BDF_Face face = (BDF_Face)FT_SIZE_FACE( size );
- FT_Face root = FT_FACE( face );
-
-
- FT_TRACE4(( "rec %d - pres %d\n",
- size->metrics.y_ppem, root->available_sizes->height ));
-
- if ( size->metrics.y_ppem == root->available_sizes->height )
- {
- size->metrics.ascender = face->bdffont->bbx.ascent << 6;
- size->metrics.descender = face->bdffont->bbx.descent * ( -64 );
- size->metrics.height = face->bdffont->bbx.height << 6;
-
- return BDF_Err_Ok;
- }
- else
- return BDF_Err_Invalid_Pixel_Size;
- }
-
-
- static FT_Error
- BDF_Glyph_Load( FT_GlyphSlot slot,
- FT_Size size,
- FT_UInt glyph_index,
- FT_Int32 load_flags )
- {
- BDF_Face face = (BDF_Face)FT_SIZE_FACE( size );
- FT_Error error = BDF_Err_Ok;
- FT_Bitmap* bitmap = &slot->bitmap;
- bdf_glyph_t glyph;
- int bpp = face->bdffont->bpp;
- int i, j, count;
- unsigned char *p, *pp;
-
- FT_Memory memory = face->bdffont->memory;
-
- FT_UNUSED( load_flags );
-
-
- if ( !face )
- {
- error = BDF_Err_Invalid_Argument;
- goto Exit;
- }
-
- if ( glyph_index > 0 )
- glyph_index--;
-
- /* slot, bitmap => freetype, glyph => bdflib */
- glyph = face->bdffont->glyphs[glyph_index];
-
- bitmap->rows = glyph.bbx.height;
- bitmap->width = glyph.bbx.width;
-
- if ( bpp == 1 )
- {
- bitmap->pixel_mode = FT_PIXEL_MODE_MONO;
- bitmap->pitch = glyph.bpr;
-
- if ( FT_NEW_ARRAY( bitmap->buffer, glyph.bytes ) )
- goto Exit;
- FT_MEM_COPY( bitmap->buffer, glyph.bitmap, glyph.bytes );
- }
- else
- {
- /* blow up pixmap to have 8 bits per pixel */
- bitmap->pixel_mode = FT_PIXEL_MODE_GRAY;
- bitmap->pitch = bitmap->width;
-
- if ( FT_NEW_ARRAY( bitmap->buffer, bitmap->rows * bitmap->pitch ) )
- goto Exit;
-
- switch ( bpp )
- {
- case 2:
- bitmap->num_grays = 4;
-
- count = 0;
- p = glyph.bitmap;
-
- for ( i = 0; i < bitmap->rows; i++ )
- {
- pp = p;
-
- /* get the full bytes */
- for ( j = 0; j < ( bitmap->width >> 2 ); j++ )
- {
- bitmap->buffer[count++] = (FT_Byte)( ( *pp & 0xC0 ) >> 6 );
- bitmap->buffer[count++] = (FT_Byte)( ( *pp & 0x30 ) >> 4 );
- bitmap->buffer[count++] = (FT_Byte)( ( *pp & 0x0C ) >> 2 );
- bitmap->buffer[count++] = (FT_Byte)( *pp & 0x03 );
-
- pp++;
- }
-
- /* get remaining pixels (if any) */
- switch ( bitmap->width & 3 )
- {
- case 3:
- bitmap->buffer[count++] = (FT_Byte)( ( *pp & 0xC0 ) >> 6 );
- /* fall through */
- case 2:
- bitmap->buffer[count++] = (FT_Byte)( ( *pp & 0x30 ) >> 4 );
- /* fall through */
- case 1:
- bitmap->buffer[count++] = (FT_Byte)( ( *pp & 0x0C ) >> 2 );
- /* fall through */
- case 0:
- break;
- }
-
- p += glyph.bpr;
- }
- break;
-
- case 4:
- bitmap->num_grays = 16;
-
- count = 0;
- p = glyph.bitmap;
-
- for ( i = 0; i < bitmap->rows; i++ )
- {
- pp = p;
-
- /* get the full bytes */
- for ( j = 0; j < ( bitmap->width >> 1 ); j++ )
- {
- bitmap->buffer[count++] = (FT_Byte)( ( *pp & 0xF0 ) >> 4 );
- bitmap->buffer[count++] = (FT_Byte)( *pp & 0x0F );
-
- pp++;
- }
-
- /* get remaining pixel (if any) */
- switch ( bitmap->width & 1 )
- {
- case 1:
- bitmap->buffer[count++] = (FT_Byte)( ( *pp & 0xF0 ) >> 4 );
- /* fall through */
- case 0:
- break;
- }
-
- p += glyph.bpr;
- }
- break;
-
- case 8:
- bitmap->num_grays = 256;
-
- FT_MEM_COPY( bitmap->buffer, glyph.bitmap,
- bitmap->rows * bitmap->pitch );
- break;
- }
- }
-
- slot->bitmap_left = 0;
- slot->bitmap_top = glyph.bbx.ascent;
-
- /* FZ XXX: TODO: vertical metrics */
- slot->metrics.horiAdvance = glyph.dwidth << 6;
- slot->metrics.horiBearingX = glyph.bbx.x_offset << 6;
- slot->metrics.horiBearingY = ( glyph.bbx.y_offset +
- glyph.bbx.height ) << 6;
- slot->metrics.width = bitmap->width << 6;
- slot->metrics.height = bitmap->rows << 6;
-
- slot->linearHoriAdvance = (FT_Fixed)glyph.dwidth << 16;
- slot->format = FT_GLYPH_FORMAT_BITMAP;
- slot->flags = FT_GLYPH_OWN_BITMAP;
-
- Exit:
- return error;
- }
-
-
- FT_CALLBACK_TABLE_DEF
- const FT_Driver_ClassRec bdf_driver_class =
- {
- {
- ft_module_font_driver,
- sizeof ( FT_DriverRec ),
-
- "bdf",
- 0x10000L,
- 0x20000L,
-
- 0,
-
- (FT_Module_Constructor)0,
- (FT_Module_Destructor) 0,
- (FT_Module_Requester) 0
- },
-
- sizeof ( BDF_FaceRec ),
- sizeof ( FT_SizeRec ),
- sizeof ( FT_GlyphSlotRec ),
-
- (FT_Face_InitFunc) BDF_Face_Init,
- (FT_Face_DoneFunc) BDF_Face_Done,
- (FT_Size_InitFunc) 0,
- (FT_Size_DoneFunc) 0,
- (FT_Slot_InitFunc) 0,
- (FT_Slot_DoneFunc) 0,
-
- (FT_Size_ResetPointsFunc) BDF_Set_Pixel_Size,
- (FT_Size_ResetPixelsFunc) BDF_Set_Pixel_Size,
-
- (FT_Slot_LoadFunc) BDF_Glyph_Load,
-
- (FT_Face_GetKerningFunc) 0,
- (FT_Face_AttachFunc) 0,
- (FT_Face_GetAdvancesFunc) 0
- };
-
-
-/* END */
generated by cgit v1.2.3 (git 2.46.0) at 2025-12-10 05:53:04 +0000