Werner Lemberg
25 years ago
parent
48397f5d60
commit
241cc2cc4f
25 changed files with 400 additions and 4106 deletions
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@ -1,50 +0,0 @@ |
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/***************************************************************************/ |
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/* */ |
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/* ftraster.h */ |
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/* */ |
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/* The FreeType glyph rasterizer (specification). */ |
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/* */ |
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/* Copyright 1996-2000 by */ |
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/* David Turner, Robert Wilhelm, and Werner Lemberg. */ |
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/* */ |
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/* This file is part of the FreeType project, and may only be used */ |
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/* modified and distributed under the terms of the FreeType project */ |
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/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ |
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/* this file you indicate that you have read the license and */ |
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/* understand and accept it fully. */ |
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/* */ |
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/***************************************************************************/ |
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#ifndef FTRASTER_H |
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#define FTRASTER_H |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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#include <freetype/ftimage.h> |
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/*************************************************************************/ |
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/* */ |
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/* Uncomment the following line if you are using ftraster.c as a */ |
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/* standalone module, fully independent of FreeType. */ |
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/* */ |
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/* #define _STANDALONE_ */ |
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#ifndef FT_EXPORT_VAR |
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#define FT_EXPORT_VAR( x ) extern x |
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#endif |
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FT_EXPORT_VAR( const FT_Raster_Funcs ) ft_standard_raster; |
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#ifdef __cplusplus |
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} |
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#endif |
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#endif /* FTRASTER_H */ |
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/* END */ |
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@ -1,276 +0,0 @@ |
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/***************************************************************************/ |
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/* */ |
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/* ftrend1.c */ |
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/* */ |
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/* The FreeType glyph rasterizer interface (body). */ |
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/* */ |
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/* Copyright 1996-2000 by */ |
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/* David Turner, Robert Wilhelm, and Werner Lemberg. */ |
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/* */ |
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/* This file is part of the FreeType project, and may only be used, */ |
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/* modified, and distributed under the terms of the FreeType project */ |
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/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ |
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/* this file you indicate that you have read the license and */ |
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/* understand and accept it fully. */ |
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/* */ |
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/***************************************************************************/ |
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#include <freetype/internal/ftobjs.h> |
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#include <freetype/ftoutln.h> |
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#ifdef FT_FLAT_COMPILE |
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#include "ftrend1.h" |
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#include "ftraster.h" |
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#else |
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#include <raster1/ftrend1.h> |
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#include <raster1/ftraster.h> |
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#endif |
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/* initialize renderer -- init its raster */ |
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static |
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FT_Error ft_raster1_init( FT_Renderer render ) |
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{ |
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FT_Library library = FT_MODULE_LIBRARY( render ); |
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render->clazz->raster_class->raster_reset( render->raster, |
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library->raster_pool, |
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library->raster_pool_size ); |
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return FT_Err_Ok; |
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} |
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/* set render-specific mode */ |
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static |
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FT_Error ft_raster1_set_mode( FT_Renderer render, |
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FT_ULong mode_tag, |
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FT_Pointer data ) |
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{ |
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/* we simply pass it to the raster */ |
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return render->clazz->raster_class->raster_set_mode( render->raster, |
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mode_tag, |
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data ); |
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} |
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/* transform a given glyph image */ |
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static |
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FT_Error ft_raster1_transform( FT_Renderer render, |
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FT_GlyphSlot slot, |
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FT_Matrix* matrix, |
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FT_Vector* delta ) |
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{ |
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FT_Error error = FT_Err_Ok; |
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if ( slot->format != render->glyph_format ) |
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{ |
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error = FT_Err_Invalid_Argument; |
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goto Exit; |
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} |
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if ( matrix ) |
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FT_Outline_Transform( &slot->outline, matrix ); |
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if ( delta ) |
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FT_Outline_Translate( &slot->outline, delta->x, delta->y ); |
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Exit: |
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return error; |
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} |
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/* return the glyph's control box */ |
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static |
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void ft_raster1_get_cbox( FT_Renderer render, |
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FT_GlyphSlot slot, |
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FT_BBox* cbox ) |
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{ |
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MEM_Set( cbox, 0, sizeof ( *cbox ) ); |
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if ( slot->format == render->glyph_format ) |
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FT_Outline_Get_CBox( &slot->outline, cbox ); |
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} |
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/* convert a slot's glyph image into a bitmap */ |
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static |
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FT_Error ft_raster1_render( FT_Renderer render, |
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FT_GlyphSlot slot, |
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FT_UInt mode, |
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FT_Vector* origin ) |
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{ |
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FT_Error error; |
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FT_Outline* outline; |
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FT_BBox cbox; |
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FT_UInt width, height, pitch; |
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FT_Bitmap* bitmap; |
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FT_Memory memory; |
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FT_Raster_Params params; |
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/* check glyph image format */ |
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if ( slot->format != render->glyph_format ) |
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{ |
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error = FT_Err_Invalid_Argument; |
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goto Exit; |
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} |
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/* check rendering mode */ |
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if ( mode != ft_render_mode_mono ) |
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{ |
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/* raster1 is only capable of producing monochrome bitmaps */ |
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if ( render->clazz == &ft_raster1_renderer_class ) |
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return FT_Err_Cannot_Render_Glyph; |
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} |
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else |
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{ |
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/* raster5 is only capable of producing 5-gray-levels bitmaps */ |
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if ( render->clazz == &ft_raster5_renderer_class ) |
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return FT_Err_Cannot_Render_Glyph; |
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} |
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outline = &slot->outline; |
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/* translate the outline to the new origin if needed */ |
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if ( origin ) |
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FT_Outline_Translate( outline, origin->x, origin->y ); |
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/* compute the control box, and grid fit it */ |
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FT_Outline_Get_CBox( outline, &cbox ); |
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cbox.xMin &= -64; |
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cbox.yMin &= -64; |
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cbox.xMax = ( cbox.xMax + 63 ) & -64; |
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cbox.yMax = ( cbox.yMax + 63 ) & -64; |
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width = ( cbox.xMax - cbox.xMin ) >> 6; |
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height = ( cbox.yMax - cbox.yMin ) >> 6; |
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bitmap = &slot->bitmap; |
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memory = render->root.memory; |
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/* release old bitmap buffer */ |
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if ( slot->flags & ft_glyph_own_bitmap ) |
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{ |
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FREE( bitmap->buffer ); |
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slot->flags &= ~ft_glyph_own_bitmap; |
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} |
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/* allocate new one, depends on pixel format */ |
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if ( !( mode & ft_render_mode_mono ) ) |
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{ |
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/* we pad to 32 bits, only for backwards compatibility with FT 1.x */ |
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pitch = ( width + 3 ) & -4; |
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bitmap->pixel_mode = ft_pixel_mode_grays; |
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bitmap->num_grays = 256; |
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} |
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else |
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{ |
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pitch = ( width + 7 ) >> 3; |
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bitmap->pixel_mode = ft_pixel_mode_mono; |
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} |
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bitmap->width = width; |
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bitmap->rows = height; |
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bitmap->pitch = pitch; |
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if ( ALLOC( bitmap->buffer, (FT_ULong)pitch * height ) ) |
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goto Exit; |
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slot->flags |= ft_glyph_own_bitmap; |
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/* translate outline to render it into the bitmap */ |
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FT_Outline_Translate( outline, -cbox.xMin, -cbox.yMin ); |
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/* set up parameters */ |
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params.target = bitmap; |
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params.source = outline; |
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params.flags = 0; |
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if ( bitmap->pixel_mode == ft_pixel_mode_grays ) |
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params.flags |= ft_raster_flag_aa; |
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/* render outline into the bitmap */ |
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error = render->raster_render( render->raster, ¶ms ); |
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if ( error ) |
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goto Exit; |
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slot->format = ft_glyph_format_bitmap; |
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slot->bitmap_left = cbox.xMin >> 6; |
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slot->bitmap_top = cbox.yMax >> 6; |
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Exit: |
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return error; |
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} |
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FT_CPLUSPLUS( const FT_Renderer_Class ) ft_raster1_renderer_class = |
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{ |
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{ |
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ft_module_renderer, |
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sizeof( FT_RendererRec ), |
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"raster1", |
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0x10000L, |
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0x20000L, |
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0, /* module specific interface */ |
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(FT_Module_Constructor)ft_raster1_init, |
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(FT_Module_Destructor) 0, |
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(FT_Module_Requester) 0 |
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}, |
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ft_glyph_format_outline, |
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(FTRenderer_render) ft_raster1_render, |
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(FTRenderer_transform)ft_raster1_transform, |
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(FTRenderer_getCBox) ft_raster1_get_cbox, |
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(FTRenderer_setMode) ft_raster1_set_mode, |
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(FT_Raster_Funcs*) &ft_standard_raster |
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}; |
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/* This renderer is _NOT_ part of the default modules; you will need */ |
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/* to register it by hand in your application. It should only be */ |
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/* used for backwards-compatibility with FT 1.x anyway. */ |
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/* */ |
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FT_CPLUSPLUS( const FT_Renderer_Class ) ft_raster5_renderer_class = |
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{ |
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{ |
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ft_module_renderer, |
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sizeof( FT_RendererRec ), |
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"raster5", |
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0x10000L, |
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0x20000L, |
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0, /* module specific interface */ |
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(FT_Module_Constructor)ft_raster1_init, |
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(FT_Module_Destructor) 0, |
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(FT_Module_Requester) 0 |
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}, |
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ft_glyph_format_outline, |
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(FTRenderer_render) ft_raster1_render, |
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(FTRenderer_transform)ft_raster1_transform, |
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(FTRenderer_getCBox) ft_raster1_get_cbox, |
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(FTRenderer_setMode) ft_raster1_set_mode, |
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(FT_Raster_Funcs*) &ft_standard_raster |
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}; |
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/* END */ |
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@ -1,48 +0,0 @@ |
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/***************************************************************************/ |
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/* */ |
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/* ftrend1.h */ |
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/* */ |
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/* The FreeType glyph rasterizer interface (specification). */ |
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/* */ |
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/* Copyright 1996-2000 by */ |
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/* David Turner, Robert Wilhelm, and Werner Lemberg. */ |
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/* */ |
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/* This file is part of the FreeType project, and may only be used, */ |
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/* modified, and distributed under the terms of the FreeType project */ |
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/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ |
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/* this file you indicate that you have read the license and */ |
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/* understand and accept it fully. */ |
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/* */ |
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/***************************************************************************/ |
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#ifndef FTREND1_H |
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#define FTREND1_H |
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#include <freetype/ftrender.h> |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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FT_EXPORT_VAR( const FT_Renderer_Class ) ft_raster1_renderer_class; |
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/* this renderer is _NOT_ part of the default modules, you'll need */ |
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/* to register it by hand in your application. It should only be */ |
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/* used for backwards-compatibility with FT 1.x anyway. */ |
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/* */ |
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FT_EXPORT_VAR( const FT_Renderer_Class ) ft_raster5_renderer_class; |
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#ifdef __cplusplus |
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} |
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#endif |
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#endif /* FTREND1_H */ |
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/* END */ |
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@ -1,35 +0,0 @@ |
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/***************************************************************************/ |
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/* */ |
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/* raster1.c */ |
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/* */ |
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/* FreeType monochrome rasterer module component (body only). */ |
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/* */ |
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/* Copyright 1996-2000 by */ |
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/* David Turner, Robert Wilhelm, and Werner Lemberg. */ |
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/* */ |
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/* This file is part of the FreeType project, and may only be used, */ |
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/* modified, and distributed under the terms of the FreeType project */ |
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/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ |
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/* this file you indicate that you have read the license and */ |
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/* understand and accept it fully. */ |
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/* */ |
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/***************************************************************************/ |
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#define FT_MAKE_OPTION_SINGLE_OBJECT |
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#ifdef FT_FLAT_COMPILE |
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#include "ftraster.c" |
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#include "ftrend1.c" |
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#else |
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#include <raster1/ftraster.c> |
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#include <raster1/ftrend1.c> |
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#endif |
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/* END */ |
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@ -1,8 +1,8 @@ |
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/***************************************************************************/ |
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/* */ |
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/* z1tokens.h */ |
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/* t1tokens.h */ |
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/* */ |
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/* Experimental Type 1 tokenizer (specification). */ |
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/* Type 1 tokenizer (specification). */ |
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/* */ |
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/* Copyright 1996-2000 by */ |
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/* David Turner, Robert Wilhelm, and Werner Lemberg. */ |
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