oops, forgot to commit these files
This commit is contained in:
David Turner
parent
2e421319fc
commit
241e151eb2
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@ -0,0 +1,809 @@
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/****************************************************************************/
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/* */
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/* The FreeType project -- a free and portable quality TrueType renderer. */
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/* */
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/* Copyright 1996-1999 by */
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/* D. Turner, R.Wilhelm, and W. Lemberg */
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/* */
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/* */
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/* FTMulti- a simple multiple masters font viewer */
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/* */
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/* Press F1 when running this program to have a list of key-bindings */
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/* */
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/****************************************************************************/
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#include <freetype/freetype.h>
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#include <freetype/ftraster.h>
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#include <freetype/ftgrays.h>
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#include <freetype/ftmm.h>
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#include "common.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdarg.h>
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#include "graph.h"
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#include "grfont.h"
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#define DIM_X 500
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#define DIM_Y 400
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#define CENTER_X (bit.width/2)
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#define CENTER_Y (bit.rows/2)
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#define MAXPTSIZE 500 /* dtp */
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char Header[128];
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char* new_header = 0;
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const unsigned char* Text = (unsigned char*)
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"The quick brown fox jumped over the lazy dog 0123456789 \
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\342\352\356\373\364\344\353\357\366\374\377\340\371\351\350\347 \
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&#~\"\'(-`_^@)=+\260 ABCDEFGHIJKLMNOPQRSTUVWXYZ \
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$\243^\250*\265\371%!\247:/;.,?<>";
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FT_Library library; /* the FreeType library */
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FT_Face face; /* the font face */
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FT_Size size; /* the font size */
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FT_GlyphSlot glyph; /* the glyph slot */
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FT_Error error; /* error returned by FreeType ? */
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grSurface* surface; /* current display surface */
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grBitmap bit; /* current display bitmap */
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int num_glyphs; /* number of glyphs */
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int ptsize; /* current point size */
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int hinted = 1; /* is glyph hinting active ? */
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int antialias = 1; /* is anti-aliasing active ? */
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int use_sbits = 1; /* do we use embedded bitmaps ? */
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int low_prec = 0; /* force low precision */
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int Num; /* current first glyph index */
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int res = 72;
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static grColor fore_color = { 255 };
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int Fail;
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unsigned char autorun;
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int graph_init = 0;
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int render_mode = 1;
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int use_grays = 1;
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/* the standard raster's interface */
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FT_Raster_Funcs std_raster;
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FT_Multi_Master multimaster;
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FT_Long design_pos[ T1_MAX_MM_AXIS ];
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#define RASTER_BUFF_SIZE 32768
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char raster_buff[ RASTER_BUFF_SIZE ];
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#define DEBUGxxx
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#ifdef DEBUG
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#define LOG(x) LogMessage##x
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#else
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#define LOG(x) /* rien */
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#endif
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#ifdef DEBUG
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static void LogMessage( const char* fmt, ... )
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{
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va_list ap;
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va_start( ap, fmt );
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vfprintf( stderr, fmt, ap );
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va_end( ap );
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}
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#endif
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/* PanicZ */
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static void PanicZ( const char* message )
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{
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fprintf( stderr, "%s\n error = 0x%04x\n", message, error );
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exit(1);
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}
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/* Clears the Bit bitmap/pixmap */
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static void Clear_Display( void )
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{
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long size = (long)bit.pitch * bit.rows;
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if (size < 0) size = -size;
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memset( bit.buffer, 0, size );
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}
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/* Initialize the display bitmap named Bit */
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static int Init_Display()
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{
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grInitDevices();
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bit.mode = gr_pixel_mode_gray;
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bit.width = DIM_X;
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bit.rows = DIM_Y;
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bit.grays = 256;
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surface = grNewSurface( 0, &bit );
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if (!surface)
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PanicZ( "could not allocate display surface\n" );
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graph_init = 1;
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return 0;
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}
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#define MAX_BUFFER 300000
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#define FLOOR(x) ((x) & -64)
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#define CEIL(x) (((x)+63) & -64)
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#define TRUNC(x) ((x) >> 6)
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static
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char bit_buffer[ MAX_BUFFER ];
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/* Render a single glyph with the "grays" component */
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static FT_Error Render_Glyph( int x_offset,
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int y_offset )
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{
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/* first, render the glyph into an intermediate buffer */
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FT_Bitmap bit2;
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grBitmap bit3;
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int width, height, pitch, size;
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int left, right, top, bottom;
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int x_top, y_top;
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left = FLOOR( glyph->metrics.horiBearingX );
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right = CEIL( glyph->metrics.horiBearingX + glyph->metrics.width );
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width = TRUNC(right - left);
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top = CEIL( glyph->metrics.horiBearingY );
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bottom = FLOOR( glyph->metrics.horiBearingY - glyph->metrics.height );
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height = TRUNC( top - bottom );
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if ( glyph->format == ft_glyph_format_outline )
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{
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pitch = ( antialias ? (width+3) & -4 : (width+7) >> 3 );
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size = pitch*height;
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if (size > MAX_BUFFER)
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return FT_Err_Out_Of_Memory;
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bit2.width = width;
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bit2.rows = height;
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bit2.pitch = pitch;
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bit2.pixel_mode = antialias ? ft_pixel_mode_grays : ft_pixel_mode_mono;
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bit2.buffer = bit_buffer;
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bit3.rows = bit2.rows;
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bit3.width = bit2.width;
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bit3.pitch = bit2.pitch;
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bit3.mode = antialias ? bit.mode : gr_pixel_mode_mono;
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bit3.buffer = bit_buffer;
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bit3.grays = 256;
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FT_Outline_Translate( &glyph->outline, -left, -bottom );
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memset( bit_buffer, 0, size );
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if (low_prec)
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glyph->outline.flags &= ~ft_outline_high_precision;
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error = FT_Outline_Get_Bitmap( library, &glyph->outline, &bit2 );
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}
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else
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{
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bit3.rows = glyph->bitmap.rows;
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bit3.width = glyph->bitmap.width;
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bit3.pitch = glyph->bitmap.pitch;
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bit3.mode = gr_pixel_mode_mono;
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bit3.buffer = glyph->bitmap.buffer;
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bit3.grays = 0;
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}
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/* Then, blit the image to the target surface */
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x_top = x_offset + TRUNC(left);
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y_top = y_offset - TRUNC(top);
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/*
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if (bit.pitch < 0)
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y_top = bit.rows - y_top;
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*/
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grBlitGlyphToBitmap( &bit, &bit3, x_top, y_top, fore_color );
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return 0;
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}
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static FT_Error Reset_Scale( int pointSize )
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{
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FT_Error error;
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error = FT_Set_Char_Size( face, pointSize << 6,
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pointSize << 6,
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res,
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res );
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if ( error )
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{
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}
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return FT_Err_Ok;
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}
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static FT_Error LoadChar( int idx, int hint )
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{
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int flags;
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flags = FT_LOAD_DEFAULT;
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if ( !hint )
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flags |= FT_LOAD_NO_HINTING;
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if ( !use_sbits )
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flags |= FT_LOAD_NO_BITMAP;
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return FT_Load_Glyph( face, idx, flags );
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}
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static FT_Error Render_All( int first_glyph, int ptsize )
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{
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FT_F26Dot6 start_x, start_y, step_x, step_y, x, y;
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int i;
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FT_Error error;
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start_x = 4;
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start_y = 36 + ptsize ;
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step_x = size->metrics.x_ppem + 4;
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step_y = size->metrics.y_ppem + 10;
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x = start_x;
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y = start_y;
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i = first_glyph;
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#if 0
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while ( i < first_glyph+1 )
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#else
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while ( i < num_glyphs )
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#endif
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{
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if ( !(error = LoadChar( i, hinted )) )
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{
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#ifdef DEBUG
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if (i <= first_glyph+6)
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{
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LOG(( "metrics[%02d] = [%x %x]\n",
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i,
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glyph->metrics.horiBearingX,
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glyph->metrics.horiAdvance ));
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if (i == first_glyph+6)
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LOG(( "-------------------------\n"));
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}
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#endif
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Render_Glyph( x, y );
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x += ( glyph->metrics.horiAdvance >> 6 ) + 1;
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if ( x + size->metrics.x_ppem > bit.width )
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{
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x = start_x;
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y += step_y;
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if ( y >= bit.rows )
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return FT_Err_Ok;
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}
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}
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else
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Fail++;
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i++;
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}
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return FT_Err_Ok;
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}
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static FT_Error Render_Text( int first_glyph, int ptsize )
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{
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FT_F26Dot6 start_x, start_y, step_x, step_y, x, y;
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int i;
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FT_Error error;
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const unsigned char* p;
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start_x = 4;
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start_y = 32 + size->metrics.y_ppem;
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step_x = size->metrics.x_ppem + 4;
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step_y = size->metrics.y_ppem + 10;
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x = start_x;
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y = start_y;
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i = first_glyph;
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p = Text;
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while (i > 0 && *p) { p++; i--; }
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while ( *p )
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{
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if ( !(error = LoadChar( FT_Get_Char_Index( face, (unsigned char)*p ), hinted )) )
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{
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#ifdef DEBUG
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if (i <= first_glyph+6)
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{
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LOG(( "metrics[%02d] = [%x %x]\n",
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i,
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glyph->metrics.horiBearingX,
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glyph->metrics.horiAdvance ));
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if (i == first_glyph+6)
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LOG(( "-------------------------\n"));
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}
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#endif
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Render_Glyph( x, y );
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x += ( glyph->metrics.horiAdvance >> 6 ) + 1;
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if ( x + size->metrics.x_ppem > bit.width )
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{
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x = start_x;
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y += step_y;
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if ( y >= bit.rows )
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return FT_Err_Ok;
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}
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}
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else
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Fail++;
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i++;
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p++;
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}
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return FT_Err_Ok;
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}
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static void Help( )
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{
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grEvent dummy_event;
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Clear_Display();
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grGotoxy( 0, 0 );
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grSetMargin( 2, 1 );
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grGotobitmap( &bit );
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grWriteln("FreeType Glyph Viewer - part of the FreeType test suite" );
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grLn();
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grWriteln("This program is used to display all glyphs from one or" );
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grWriteln("several font files, with the FreeType library.");
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grLn();
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grWriteln("Use the following keys :");
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grLn();
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grWriteln(" F1 or ? : display this help screen" );
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grWriteln(" a : toggle anti-aliasing" );
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grWriteln(" h : toggle outline hinting" );
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grWriteln(" b : toggle embedded bitmaps" );
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grWriteln(" l : toggle low precision rendering" );
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grWriteln(" g : toggle between 'smooth' and 'standard' anti-aliaser" );
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grWriteln(" space : toggle rendering mode" );
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grLn();
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grWriteln(" Up : increase pointsize by 1 unit" );
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grWriteln(" Down : decrease pointsize by 1 unit" );
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grWriteln(" Page Up : increase pointsize by 10 units" );
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grWriteln(" Page Down : decrease pointsize by 10 units" );
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grLn();
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grWriteln(" Right : increment first glyph index" );
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grWriteln(" Left : decrement first glyph index" );
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grLn();
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grWriteln(" F3 : decrement first axis position by 20" );
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grWriteln(" F4 : increment first axis position by 20" );
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grWriteln(" F3 : decrement second axis position by 20" );
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grWriteln(" F4 : increment second axis position by 20" );
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grWriteln(" F3 : decrement third axis position by 20" );
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grWriteln(" F4 : increment third axis position by 20" );
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grLn();
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grWriteln("press any key to exit this help screen");
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grRefreshSurface( surface );
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grListenSurface( surface, gr_event_key, &dummy_event );
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}
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static void reset_raster( void )
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{
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if ( antialias && use_grays )
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FT_Set_Raster( library, &ft_grays_raster );
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else
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FT_Set_Raster( library, &std_raster );
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}
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static int Process_Event( grEvent* event )
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{
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int i, axis;
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switch ( event->key )
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{
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case grKeyEsc: /* ESC or q */
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case grKEY('q'):
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return 0;
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case grKEY('a'):
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antialias = !antialias;
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new_header = ( antialias
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? "anti-aliasing is now on"
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: "anti-aliasing is now off" );
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reset_raster();
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return 1;
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case grKEY('b'):
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use_sbits = !use_sbits;
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new_header = ( use_sbits
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? "embedded bitmaps are now used when available"
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: "embedded bitmaps are now ignored" );
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return 1;
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case grKEY('n'):
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case grKEY('p'):
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return (int)event->key;
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case grKEY('g'):
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use_grays = !use_grays;
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new_header = ( use_grays
|
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? "now using the smooth anti-aliaser"
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: "now using the standard anti-aliaser" );
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reset_raster();
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break;
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case grKEY('l'):
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low_prec = !low_prec;
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new_header = ( low_prec
|
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? "rendering precision is now forced to low"
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: "rendering precision is now normal" );
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break;
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case grKEY('h'):
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hinted = !hinted;
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new_header = ( hinted
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? "glyph hinting is now active"
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: "glyph hinting is now ignored" );
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break;
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|
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case grKEY(' '):
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render_mode ^= 1;
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new_header = ( render_mode
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? "rendering all glyphs in font"
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: "rendering test text string" );
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||||
break;
|
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case grKeyF1:
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case grKEY('?'):
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Help();
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return 1;
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case grKeyF3: i = -20; axis = 0; goto Do_Axis;
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case grKeyF4: i = 20; axis = 0; goto Do_Axis;
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case grKeyF5: i = -20; axis = 1; goto Do_Axis;
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case grKeyF6: i = 20; axis = 1; goto Do_Axis;
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case grKeyF7: i = -20; axis = 2; goto Do_Axis;
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case grKeyF8: i = 20; axis = 2; goto Do_Axis;
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case grKeyPageUp: i = 10; goto Do_Scale;
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case grKeyPageDown: i = -10; goto Do_Scale;
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case grKeyUp: i = 1; goto Do_Scale;
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case grKeyDown: i = -1; goto Do_Scale;
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||||
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case grKeyLeft: i = -1; goto Do_Glyph;
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case grKeyRight: i = 1; goto Do_Glyph;
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case grKeyF9: i = -100; goto Do_Glyph;
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case grKeyF10: i = 100; goto Do_Glyph;
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||||
case grKeyF11: i = -1000; goto Do_Glyph;
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||||
case grKeyF12: i = 1000; goto Do_Glyph;
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default:
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||||
;
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}
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return 1;
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Do_Axis:
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||||
if (axis < multimaster.num_axis)
|
||||
{
|
||||
FT_MM_Axis* a = multimaster.axis + axis;
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||||
FT_Long pos = design_pos[axis];
|
||||
|
||||
pos += i;
|
||||
if (pos < a->minimum) pos = a->minimum;
|
||||
if (pos > a->maximum) pos = a->maximum;
|
||||
|
||||
design_pos[axis] = pos;
|
||||
|
||||
FT_Set_MM_Design_Coordinates( face, multimaster.num_axis, design_pos );
|
||||
}
|
||||
return 1;
|
||||
|
||||
Do_Scale:
|
||||
ptsize += i;
|
||||
if (ptsize < 1) ptsize = 1;
|
||||
if (ptsize > MAXPTSIZE) ptsize = MAXPTSIZE;
|
||||
return 1;
|
||||
|
||||
Do_Glyph:
|
||||
Num += i;
|
||||
if (Num < 0) Num = 0;
|
||||
if (Num >= num_glyphs) Num = num_glyphs-1;
|
||||
return 1;
|
||||
}
|
||||
|
||||
|
||||
|
||||
static void usage( char* execname )
|
||||
{
|
||||
fprintf( stderr, "\n" );
|
||||
fprintf( stderr, "ftmulti: multiple masters font viewer - part of FreeType\n" );
|
||||
fprintf( stderr, "--------------------------------------------------------\n" );
|
||||
fprintf( stderr, "\n" );
|
||||
fprintf( stderr, "Usage: %s [options below] ppem fontname[.ttf|.ttc] ...\n",
|
||||
execname );
|
||||
fprintf( stderr, "\n" );
|
||||
fprintf( stderr, " -r R use resolution R dpi (default: 72 dpi)\n" );
|
||||
fprintf( stderr, " -f index specify first glyph index to display\n" );
|
||||
fprintf( stderr, "\n" );
|
||||
|
||||
exit( 1 );
|
||||
}
|
||||
|
||||
|
||||
int main( int argc, char** argv )
|
||||
{
|
||||
int i, old_ptsize, orig_ptsize, file;
|
||||
int first_glyph = 0;
|
||||
int XisSetup = 0;
|
||||
char filename[128 + 4];
|
||||
char alt_filename[128 + 4];
|
||||
char* execname;
|
||||
int option;
|
||||
int file_loaded;
|
||||
|
||||
FT_Error error;
|
||||
grEvent event;
|
||||
|
||||
execname = ft_basename( argv[0] );
|
||||
|
||||
while ( 1 )
|
||||
{
|
||||
option = getopt( argc, argv, "f:r:" );
|
||||
|
||||
if ( option == -1 )
|
||||
break;
|
||||
|
||||
switch ( option )
|
||||
{
|
||||
case 'f':
|
||||
first_glyph = atoi( optarg );
|
||||
break;
|
||||
|
||||
case 'r':
|
||||
res = atoi( optarg );
|
||||
if ( res < 1 )
|
||||
usage( execname );
|
||||
break;
|
||||
|
||||
default:
|
||||
usage( execname );
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
argc -= optind;
|
||||
argv += optind;
|
||||
|
||||
if ( argc <= 1 )
|
||||
usage( execname );
|
||||
|
||||
if ( sscanf( argv[0], "%d", &orig_ptsize ) != 1 )
|
||||
orig_ptsize = 64;
|
||||
|
||||
file = 1;
|
||||
|
||||
/* Initialize engine */
|
||||
error = FT_Init_FreeType( &library );
|
||||
if (error) PanicZ( "Could not initialise FreeType library" );
|
||||
|
||||
/* retrieve the standard raster's interface */
|
||||
(void)FT_Get_Raster( library, ft_glyph_format_outline, &std_raster );
|
||||
reset_raster();
|
||||
|
||||
NewFile:
|
||||
ptsize = orig_ptsize;
|
||||
hinted = 1;
|
||||
file_loaded = 0;
|
||||
|
||||
#ifndef macintosh
|
||||
i = strlen( argv[file] );
|
||||
while ( i > 0 && argv[file][i] != '\\' && argv[file][i] != '/' )
|
||||
{
|
||||
if ( argv[file][i] == '.' )
|
||||
i = 0;
|
||||
i--;
|
||||
}
|
||||
#endif
|
||||
|
||||
filename[128] = '\0';
|
||||
alt_filename[128] = '\0';
|
||||
|
||||
strncpy( filename, argv[file], 128 );
|
||||
strncpy( alt_filename, argv[file], 128 );
|
||||
|
||||
#ifndef macintosh
|
||||
if ( i >= 0 )
|
||||
{
|
||||
strncpy( filename + strlen( filename ), ".ttf", 4 );
|
||||
strncpy( alt_filename + strlen( alt_filename ), ".ttc", 4 );
|
||||
}
|
||||
#endif
|
||||
|
||||
/* Load face */
|
||||
error = FT_New_Face( library, filename, 0, &face );
|
||||
if (error) goto Display_Font;
|
||||
|
||||
/* retrieve multiple master information */
|
||||
error = FT_Get_Multi_Master( face, &multimaster );
|
||||
if (error) goto Display_Font;
|
||||
|
||||
/* set the current position to the minimum of each axis */
|
||||
{
|
||||
int n;
|
||||
|
||||
for ( n = 0; n < multimaster.num_axis; n++ )
|
||||
design_pos[n] =
|
||||
(multimaster.axis[n].minimum + multimaster.axis[n].maximum)/2;
|
||||
}
|
||||
|
||||
error = FT_Set_MM_Design_Coordinates( face, multimaster.num_axis, design_pos );
|
||||
if (error) goto Display_Font;
|
||||
|
||||
file_loaded++;
|
||||
|
||||
error = Reset_Scale( ptsize );
|
||||
if (error) goto Display_Font;
|
||||
|
||||
num_glyphs = face->num_glyphs;
|
||||
glyph = face->glyph;
|
||||
size = face->size;
|
||||
|
||||
Display_Font:
|
||||
/* initialise graphics if needed */
|
||||
if ( !XisSetup )
|
||||
{
|
||||
XisSetup = 1;
|
||||
Init_Display();
|
||||
}
|
||||
|
||||
grSetTitle( surface, "FreeType Glyph Viewer - press F1 for help" );
|
||||
old_ptsize = ptsize;
|
||||
|
||||
if ( file_loaded >= 1 )
|
||||
{
|
||||
Fail = 0;
|
||||
Num = first_glyph;
|
||||
|
||||
if ( Num >= num_glyphs )
|
||||
Num = num_glyphs-1;
|
||||
|
||||
if ( Num < 0 )
|
||||
Num = 0;
|
||||
}
|
||||
|
||||
for ( ;; )
|
||||
{
|
||||
int key;
|
||||
|
||||
Clear_Display();
|
||||
|
||||
if ( file_loaded >= 1 )
|
||||
{
|
||||
switch (render_mode)
|
||||
{
|
||||
case 0:
|
||||
Render_Text( Num, ptsize );
|
||||
break;
|
||||
|
||||
default:
|
||||
Render_All( Num, ptsize );
|
||||
}
|
||||
|
||||
sprintf( Header, "%s %s (file %s)",
|
||||
face->family_name,
|
||||
face->style_name,
|
||||
ft_basename( filename ) );
|
||||
|
||||
if (!new_header)
|
||||
new_header = Header;
|
||||
|
||||
grWriteCellString( &bit, 0, 0, new_header, fore_color );
|
||||
new_header = 0;
|
||||
|
||||
sprintf( Header, "axis: " );
|
||||
{
|
||||
int n;
|
||||
for ( n = 0; n < multimaster.num_axis; n++ )
|
||||
{
|
||||
char temp[32];
|
||||
sprintf( temp, " %s:%ld", multimaster.axis[n].name, design_pos[n] );
|
||||
strcat( Header, temp );
|
||||
}
|
||||
}
|
||||
grWriteCellString( &bit, 0, 16, Header, fore_color );
|
||||
|
||||
sprintf( Header, "at %d points, first glyph = %d",
|
||||
ptsize,
|
||||
Num );
|
||||
}
|
||||
else
|
||||
{
|
||||
sprintf( Header, "%s : is not a multiple masters font file or could not be opened",
|
||||
ft_basename(filename) );
|
||||
}
|
||||
|
||||
grWriteCellString( &bit, 0, 8, Header, fore_color );
|
||||
grRefreshSurface( surface );
|
||||
|
||||
grListenSurface( surface, 0, &event );
|
||||
if ( !( key = Process_Event( &event ) ) )
|
||||
goto Fin;
|
||||
|
||||
if ( key == 'n' )
|
||||
{
|
||||
if (file_loaded >= 1)
|
||||
FT_Done_Face( face );
|
||||
|
||||
if ( file < argc - 1 )
|
||||
file++;
|
||||
|
||||
goto NewFile;
|
||||
}
|
||||
|
||||
if ( key == 'p' )
|
||||
{
|
||||
if (file_loaded >= 1)
|
||||
FT_Done_Face( face );
|
||||
|
||||
if ( file > 1 )
|
||||
file--;
|
||||
|
||||
goto NewFile;
|
||||
}
|
||||
|
||||
if ( ptsize != old_ptsize )
|
||||
{
|
||||
if ( Reset_Scale( ptsize ) )
|
||||
PanicZ( "Could not resize font." );
|
||||
|
||||
old_ptsize = ptsize;
|
||||
}
|
||||
}
|
||||
|
||||
Fin:
|
||||
#if 0
|
||||
grDoneSurface(surface);
|
||||
grDone();
|
||||
#endif
|
||||
printf( "Execution completed successfully.\n" );
|
||||
printf( "Fails = %d\n", Fail );
|
||||
|
||||
exit( 0 ); /* for safety reasons */
|
||||
return 0; /* never reached */
|
||||
}
|
||||
|
||||
|
||||
/* End */
|
||||
|
||||
|
|
@ -0,0 +1,499 @@
|
|||
#include <freetype/internal/sfnt.h>
|
||||
#include <freetype/internal/psnames.h>
|
||||
#include <freetype/ttnameid.h>
|
||||
|
||||
/*************************************************************************/
|
||||
/* */
|
||||
/* <Function> */
|
||||
/* Get_Name */
|
||||
/* */
|
||||
/* <Description> */
|
||||
/* Returns a given ENGLISH name record in ASCII. */
|
||||
/* */
|
||||
/* <Input> */
|
||||
/* face :: A handle to the source face object. */
|
||||
/* */
|
||||
/* nameid :: The name id of the name record to return. */
|
||||
/* */
|
||||
/* <Return> */
|
||||
/* Char string. NULL if no name is present. */
|
||||
/* */
|
||||
static
|
||||
FT_String* Get_Name( TT_Face face,
|
||||
FT_UShort nameid )
|
||||
{
|
||||
FT_Memory memory = face->root.memory;
|
||||
FT_UShort n;
|
||||
TT_NameRec* rec;
|
||||
FT_Bool wide_chars = 1;
|
||||
|
||||
/* first pass, look for a given name record */
|
||||
rec = face->name_table.names;
|
||||
for ( n = 0; n < face->name_table.numNameRecords; n++, rec++ )
|
||||
{
|
||||
if ( rec->nameID == nameid )
|
||||
{
|
||||
/* found the name - now create an ASCII string from it */
|
||||
FT_Bool found = 0;
|
||||
|
||||
/* Test for Microsoft English language */
|
||||
if ( rec->platformID == TT_PLATFORM_MICROSOFT &&
|
||||
rec->encodingID <= TT_MS_ID_UNICODE_CS &&
|
||||
(rec->languageID & 0x3FF) == 0x009 )
|
||||
found = 1;
|
||||
|
||||
/* Test for Apple Unicode encoding */
|
||||
else if ( rec->platformID == TT_PLATFORM_APPLE_UNICODE )
|
||||
found = 1;
|
||||
|
||||
/* Test for Apple Roman */
|
||||
else if ( rec->platformID == TT_PLATFORM_MACINTOSH &&
|
||||
rec->languageID == TT_MAC_ID_ROMAN )
|
||||
{
|
||||
found = 1;
|
||||
wide_chars = 0;
|
||||
}
|
||||
|
||||
/* Found a Unicode Name */
|
||||
if ( found )
|
||||
{
|
||||
FT_String* string;
|
||||
FT_UInt len;
|
||||
|
||||
if ( wide_chars )
|
||||
{
|
||||
TT_UInt m;
|
||||
|
||||
len = (TT_UInt)rec->stringLength / 2;
|
||||
if ( MEM_Alloc( string, len + 1 ) )
|
||||
return NULL;
|
||||
|
||||
for ( m = 0; m < len; m ++ )
|
||||
string[m] = rec->string[2*m + 1];
|
||||
}
|
||||
else
|
||||
{
|
||||
len = rec->stringLength;
|
||||
if ( MEM_Alloc( string, len + 1 ) )
|
||||
return NULL;
|
||||
|
||||
MEM_Copy( string, rec->string, len );
|
||||
}
|
||||
|
||||
string[len] = '\0';
|
||||
return string;
|
||||
}
|
||||
}
|
||||
}
|
||||
return NULL;
|
||||
}
|
||||
|
||||
|
||||
static
|
||||
FT_Encoding find_encoding( int platform_id,
|
||||
int encoding_id )
|
||||
{
|
||||
typedef struct TEncoding
|
||||
{
|
||||
int platform_id;
|
||||
int encoding_id;
|
||||
FT_Encoding encoding;
|
||||
|
||||
} TEncoding;
|
||||
|
||||
static
|
||||
const TEncoding tt_encodings[] =
|
||||
{
|
||||
{ TT_PLATFORM_ISO, -1, ft_encoding_unicode },
|
||||
|
||||
{ TT_PLATFORM_APPLE_UNICODE, -1, ft_encoding_unicode },
|
||||
|
||||
{ TT_PLATFORM_MACINTOSH, TT_MAC_ID_ROMAN, ft_encoding_apple_roman },
|
||||
|
||||
{ TT_PLATFORM_MICROSOFT, TT_MS_ID_UNICODE_CS, ft_encoding_unicode },
|
||||
{ TT_PLATFORM_MICROSOFT, TT_MS_ID_SJIS, ft_encoding_sjis },
|
||||
{ TT_PLATFORM_MICROSOFT, TT_MS_ID_BIG_5, ft_encoding_big5 }
|
||||
};
|
||||
|
||||
const TEncoding *cur, *limit;
|
||||
|
||||
cur = tt_encodings;
|
||||
limit = cur + sizeof(tt_encodings)/sizeof(tt_encodings[0]);
|
||||
|
||||
for ( ; cur < limit; cur++ )
|
||||
{
|
||||
if (cur->platform_id == platform_id)
|
||||
{
|
||||
if (cur->encoding_id == encoding_id ||
|
||||
cur->encoding_id == -1 )
|
||||
return cur->encoding;
|
||||
}
|
||||
}
|
||||
return ft_encoding_none;
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
LOCAL_FUNC
|
||||
FT_Error SFNT_Init_Face( FT_Stream stream,
|
||||
TT_Face face,
|
||||
TT_Int face_index,
|
||||
TT_Int num_params,
|
||||
FT_Parameter* params )
|
||||
{
|
||||
FT_Error error;
|
||||
SFNT_Interface* sfnt;
|
||||
PSNames_Interface* psnames;
|
||||
|
||||
/* for now, parameters are unused */
|
||||
UNUSED(num_params);
|
||||
UNUSED(params);
|
||||
|
||||
sfnt = (SFNT_Interface*)face->sfnt;
|
||||
if (!sfnt)
|
||||
{
|
||||
/* look-up the SFNT driver */
|
||||
FT_Driver sfnt_driver;
|
||||
|
||||
sfnt_driver = FT_Get_Driver( face->root.driver->library, "sfnt" );
|
||||
if (!sfnt_driver)
|
||||
{
|
||||
error = FT_Err_Invalid_File_Format;
|
||||
goto Exit;
|
||||
}
|
||||
|
||||
sfnt = (SFNT_Interface*)(sfnt_driver->interface.format_interface);
|
||||
if (!sfnt)
|
||||
{
|
||||
error = FT_Err_Invalid_File_Format;
|
||||
goto Exit;
|
||||
}
|
||||
|
||||
face->sfnt = sfnt;
|
||||
face->goto_table = sfnt->goto_table;
|
||||
}
|
||||
|
||||
psnames = (PSNames_Interface*)face->psnames;
|
||||
if (!psnames)
|
||||
{
|
||||
/* look-up the PSNames driver */
|
||||
FT_Driver psnames_driver;
|
||||
|
||||
psnames_driver = FT_Get_Driver( face->root.driver->library, "psnames" );
|
||||
if (psnames_driver)
|
||||
face->psnames = (PSNames_Interface*)
|
||||
(psnames_driver->interface.format_interface);
|
||||
}
|
||||
|
||||
/* check that we have a valid TrueType file */
|
||||
error = sfnt->load_format_tag( face, stream, face_index,
|
||||
&face->format_tag );
|
||||
if (error) goto Exit;
|
||||
|
||||
/* Load font directory */
|
||||
error = sfnt->load_directory( face, stream, face_index );
|
||||
if ( error ) goto Exit;
|
||||
|
||||
face->root.num_faces = face->ttc_header.DirCount;
|
||||
if ( face->root.num_faces < 1 )
|
||||
face->root.num_faces = 1;
|
||||
|
||||
Exit:
|
||||
return error;
|
||||
}
|
||||
|
||||
|
||||
|
||||
#undef LOAD_
|
||||
#define LOAD_(x) ( (error = sfnt->load_##x( face, stream )) != FT_Err_Ok )
|
||||
|
||||
|
||||
LOCAL_FUNC
|
||||
TT_Error SFNT_Load_Face( FT_Stream stream,
|
||||
TT_Face face,
|
||||
TT_Int face_index,
|
||||
TT_Int num_params,
|
||||
FT_Parameter* params )
|
||||
{
|
||||
FT_Error error;
|
||||
SFNT_Interface* sfnt = (SFNT_Interface*)face->sfnt;
|
||||
|
||||
/* Load tables */
|
||||
if ( LOAD_( header ) ||
|
||||
LOAD_( max_profile ) ||
|
||||
|
||||
(error = sfnt->load_metrics( face, stream, 0 )) != FT_Err_Ok ||
|
||||
/* load the `hhea' & `hmtx' tables at once */
|
||||
|
||||
(error = sfnt->load_metrics( face, stream, 1 )) != FT_Err_Ok ||
|
||||
/* try to load the `vhea' & `vmtx' at once if present */
|
||||
|
||||
LOAD_( charmaps ) ||
|
||||
LOAD_( names ) ||
|
||||
LOAD_( os2 ) ||
|
||||
LOAD_( psnames ) )
|
||||
goto Exit;
|
||||
|
||||
/* the optional tables */
|
||||
|
||||
/* embedded bitmap support. */
|
||||
#ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS
|
||||
if (sfnt->load_sbits && LOAD_(sbits)) goto Exit;
|
||||
#endif
|
||||
|
||||
if ( LOAD_( hdmx ) ||
|
||||
LOAD_( gasp ) ||
|
||||
LOAD_( kerning ) ||
|
||||
LOAD_( pclt ) )
|
||||
goto Exit;
|
||||
|
||||
#ifdef TT_CONFIG_OPTION_EXTEND_ENGINE
|
||||
if ( ( error = TT_Extension_Create( face ) ) != FT_Err_Ok )
|
||||
goto Exit;
|
||||
#endif
|
||||
|
||||
face->root.family_name = Get_Name( face, TT_NAME_ID_FONT_FAMILY );
|
||||
face->root.style_name = Get_Name( face, TT_NAME_ID_FONT_SUBFAMILY );
|
||||
|
||||
/* now set up root fields */
|
||||
{
|
||||
FT_Face root = &face->root;
|
||||
FT_Int flags;
|
||||
TT_CharMap charmap;
|
||||
TT_Int n;
|
||||
FT_Memory memory;
|
||||
|
||||
memory = root->memory;
|
||||
|
||||
/*****************************************************************/
|
||||
/* */
|
||||
/* Compute face flags. */
|
||||
/* */
|
||||
flags = FT_FACE_FLAG_SCALABLE | /* scalable outlines */
|
||||
FT_FACE_FLAG_SFNT | /* SFNT file format */
|
||||
FT_FACE_FLAG_HORIZONTAL; /* horizontal data */
|
||||
|
||||
/* fixed width font ? */
|
||||
if ( face->postscript.isFixedPitch )
|
||||
flags |= FT_FACE_FLAG_FIXED_WIDTH;
|
||||
|
||||
/* vertical information ? */
|
||||
if ( face->vertical_info )
|
||||
flags |= FT_FACE_FLAG_VERTICAL;
|
||||
|
||||
/* kerning available ? */
|
||||
if ( face->kern_pairs )
|
||||
flags |= FT_FACE_FLAG_KERNING;
|
||||
|
||||
root->face_flags = flags;
|
||||
|
||||
/*****************************************************************/
|
||||
/* */
|
||||
/* Compute style flags. */
|
||||
/* */
|
||||
flags = 0;
|
||||
|
||||
if ( face->os2.version != 0xFFFF )
|
||||
{
|
||||
/* We have an OS/2 table, use the `fsSelection' field */
|
||||
if ( face->os2.fsSelection & 1 )
|
||||
flags |= FT_STYLE_FLAG_ITALIC;
|
||||
|
||||
if ( face->os2.fsSelection & 32 )
|
||||
flags |= FT_STYLE_FLAG_BOLD;
|
||||
}
|
||||
else
|
||||
{
|
||||
/* This is an old Mac font, use the header field */
|
||||
if ( face->header.Mac_Style & 1 )
|
||||
flags |= FT_STYLE_FLAG_BOLD;
|
||||
|
||||
if ( face->header.Mac_Style & 2 )
|
||||
flags |= FT_STYLE_FLAG_ITALIC;
|
||||
}
|
||||
|
||||
face->root.style_flags = flags;
|
||||
|
||||
/*****************************************************************/
|
||||
/* */
|
||||
/* Polish the charmaps. */
|
||||
/* */
|
||||
/* Try to set the charmap encoding according to the platform & */
|
||||
/* encoding ID of each charmap. */
|
||||
/* */
|
||||
charmap = face->charmaps;
|
||||
root->num_charmaps = face->num_charmaps;
|
||||
|
||||
/* allocate table of pointers */
|
||||
if ( ALLOC_ARRAY( root->charmaps, root->num_charmaps, FT_CharMap ) )
|
||||
goto Exit;
|
||||
|
||||
for ( n = 0; n < root->num_charmaps; n++, charmap++ )
|
||||
{
|
||||
FT_Int platform = charmap->cmap.platformID;
|
||||
FT_Int encoding = charmap->cmap.platformEncodingID;
|
||||
|
||||
charmap->root.face = (FT_Face)face;
|
||||
charmap->root.platform_id = platform;
|
||||
charmap->root.encoding_id = encoding;
|
||||
charmap->root.encoding = find_encoding(platform,encoding);
|
||||
|
||||
/* now, set root->charmap with a unicode charmap wherever available */
|
||||
if (!root->charmap && charmap->root.encoding == ft_encoding_unicode)
|
||||
root->charmap = (FT_CharMap)charmap;
|
||||
|
||||
root->charmaps[n] = (FT_CharMap)charmap;
|
||||
}
|
||||
|
||||
#ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS
|
||||
if ( face->num_sbit_strikes )
|
||||
{
|
||||
face->root.num_fixed_sizes = face->num_sbit_strikes;
|
||||
if ( ALLOC_ARRAY( face->root.available_sizes,
|
||||
face->num_sbit_strikes,
|
||||
FT_Bitmap_Size ) )
|
||||
return error;
|
||||
|
||||
for ( n = 0 ; n < face->num_sbit_strikes ; n++ )
|
||||
{
|
||||
face->root.available_sizes[n].width =
|
||||
face->sbit_strikes[n].x_ppem;
|
||||
face->root.available_sizes[n].height =
|
||||
face->sbit_strikes[n].y_ppem;
|
||||
}
|
||||
}
|
||||
else
|
||||
#else
|
||||
{
|
||||
root->num_fixed_sizes = 0;
|
||||
root->available_sizes = 0;
|
||||
}
|
||||
#endif /* TT_CONFIG_OPTION_EMBEDDED_BITMAPS */
|
||||
|
||||
/*****************************************************************/
|
||||
/* */
|
||||
/* Set up metrics. */
|
||||
/* */
|
||||
root->bbox.xMin = face->header.xMin;
|
||||
root->bbox.yMin = face->header.yMin;
|
||||
root->bbox.xMax = face->header.xMax;
|
||||
root->bbox.yMax = face->header.yMax;
|
||||
root->units_per_EM = face->header.Units_Per_EM;
|
||||
|
||||
/* The ascender/descender/height are computed from the OS/2 table */
|
||||
/* when found. Otherwise, they're taken from the horizontal header */
|
||||
if ( face->os2.version != 0xFFFF )
|
||||
{
|
||||
root->ascender = face->os2.sTypoAscender;
|
||||
root->descender = -face->os2.sTypoDescender;
|
||||
root->height = root->ascender + root->descender +
|
||||
face->os2.sTypoLineGap;
|
||||
}
|
||||
else
|
||||
{
|
||||
root->ascender = face->horizontal.Ascender;
|
||||
root->descender = face->horizontal.Descender;
|
||||
root->height = root->ascender + root->descender +
|
||||
face->horizontal.Line_Gap;
|
||||
}
|
||||
|
||||
root->max_advance_width = face->horizontal.advance_Width_Max;
|
||||
|
||||
root->max_advance_height = root->height;
|
||||
if ( face->vertical_info )
|
||||
root->max_advance_height = face->vertical.advance_Height_Max;
|
||||
|
||||
root->underline_position = face->postscript.underlinePosition;
|
||||
root->underline_thickness = face->postscript.underlineThickness;
|
||||
|
||||
/* root->max_points - already set up */
|
||||
/* root->max_contours - already set up */
|
||||
}
|
||||
|
||||
Exit:
|
||||
return error;
|
||||
}
|
||||
|
||||
|
||||
#undef LOAD_
|
||||
|
||||
|
||||
LOCAL_FUNC
|
||||
void SFNT_Done_Face( TT_Face face )
|
||||
{
|
||||
FT_Memory memory = face->root.memory;
|
||||
SFNT_Interface* sfnt = face->sfnt;
|
||||
|
||||
if (sfnt)
|
||||
{
|
||||
/* destroy the postscript names table if it is supported */
|
||||
if (sfnt->free_psnames)
|
||||
sfnt->free_psnames( face );
|
||||
|
||||
/* destroy the embedded bitmaps table if it is supported */
|
||||
if (sfnt->free_sbits)
|
||||
sfnt->free_sbits( face );
|
||||
}
|
||||
|
||||
/* freeing the kerning table */
|
||||
FREE( face->kern_pairs );
|
||||
face->num_kern_pairs = 0;
|
||||
|
||||
/* freeing the collection table */
|
||||
FREE( face->ttc_header.TableDirectory );
|
||||
face->ttc_header.DirCount = 0;
|
||||
|
||||
/* freeing table directory */
|
||||
FREE( face->dir_tables );
|
||||
face->num_tables = 0;
|
||||
|
||||
/* freeing the character mapping tables */
|
||||
if (sfnt && sfnt->load_charmaps )
|
||||
{
|
||||
FT_UShort n;
|
||||
for ( n = 0; n < face->num_charmaps; n++ )
|
||||
sfnt->free_charmap( face, &face->charmaps[n].cmap );
|
||||
}
|
||||
|
||||
FREE( face->charmaps );
|
||||
face->num_charmaps = 0;
|
||||
|
||||
FREE( face->root.charmaps );
|
||||
face->root.num_charmaps = 0;
|
||||
face->root.charmap = 0;
|
||||
|
||||
/* freeing the horizontal metrics */
|
||||
FREE( face->horizontal.long_metrics );
|
||||
FREE( face->horizontal.short_metrics );
|
||||
|
||||
/* freeing the vertical ones, if any */
|
||||
if ( face->vertical_info )
|
||||
{
|
||||
FREE( face->vertical.long_metrics );
|
||||
FREE( face->vertical.short_metrics );
|
||||
face->vertical_info = 0;
|
||||
}
|
||||
|
||||
/* freeing the gasp table */
|
||||
FREE( face->gasp.gaspRanges );
|
||||
face->gasp.numRanges = 0;
|
||||
|
||||
/* freeing the name table */
|
||||
sfnt->free_names( face );
|
||||
|
||||
/* freeing the hdmx table */
|
||||
sfnt->free_hdmx( face );
|
||||
|
||||
/* freeing family and style name */
|
||||
FREE( face->root.family_name );
|
||||
FREE( face->root.style_name );
|
||||
|
||||
/* freeing sbit size table */
|
||||
face->root.num_fixed_sizes = 0;
|
||||
if ( face->root.available_sizes )
|
||||
FREE( face->root.available_sizes );
|
||||
|
||||
face->sfnt = 0;
|
||||
}
|
||||
|
||||
|
|
@ -0,0 +1,45 @@
|
|||
/***************************************************************************/
|
||||
/* */
|
||||
/* sfobjs.h */
|
||||
/* */
|
||||
/* SFNT object management */
|
||||
/* */
|
||||
/* Copyright 1996-1999 by */
|
||||
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
|
||||
/* */
|
||||
/* This file is part of the FreeType project, and may only be used, */
|
||||
/* modified, and distributed under the terms of the FreeType project */
|
||||
/* license, LICENSE.TXT. By continuing to use, modify, or distribute */
|
||||
/* this file you indicate that you have read the license and */
|
||||
/* understand and accept it fully. */
|
||||
/* */
|
||||
/***************************************************************************/
|
||||
|
||||
#ifndef SFOBJS_H
|
||||
#define SFOBJS_H
|
||||
|
||||
#include <freetype/internal/sfnt.h>
|
||||
#include <freetype/internal/ftobjs.h>
|
||||
|
||||
LOCAL_DEF
|
||||
FT_Error SFNT_Init_Face( FT_Stream stream,
|
||||
TT_Face face,
|
||||
TT_Int face_index,
|
||||
TT_Int num_params,
|
||||
FT_Parameter* params );
|
||||
|
||||
LOCAL_DEF
|
||||
FT_Error SFNT_Load_Face( FT_Stream stream,
|
||||
TT_Face face,
|
||||
TT_Int face_index,
|
||||
TT_Int num_params,
|
||||
FT_Parameter* params );
|
||||
|
||||
LOCAL_DEF
|
||||
void SFNT_Done_Face( TT_Face face );
|
||||
|
||||
|
||||
#endif /* SFDRIVER_H */
|
||||
|
||||
|
||||
/* END */
|
||||
Loading…
Reference in New Issue