core/src/fxge/fx_freetype/fxft2.5.01/src/raster/ftrend1.c - Issue 815103002: Update freetype to 2.5.4.

Unified Diff: core/src/fxge/fx_freetype/fxft2.5.01/src/raster/ftrend1.c

Issue 815103002: Update freetype to 2.5.4. (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@master

Patch Set: Adjust GYP and GN Created 6 years ago

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Index: core/src/fxge/fx_freetype/fxft2.5.01/src/raster/ftrend1.c

diff --git a/core/src/fxge/fx_freetype/fxft2.5.01/src/raster/ftrend1.c b/core/src/fxge/fx_freetype/fxft2.5.01/src/raster/ftrend1.c

deleted file mode 100644

index 0f4ffabf97dfaecd4370620b0f4e991fc005faf9..0000000000000000000000000000000000000000

--- a/core/src/fxge/fx_freetype/fxft2.5.01/src/raster/ftrend1.c

+++ /dev/null

@@ -1,306 +0,0 @@

-/***************************************************************************/

-/* */

-/* ftrend1.c */

-/* */

-/* The FreeType glyph rasterizer interface (body). */

-/* */

-/* 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. */

-/* */

-/***************************************************************************/

-#include "../../include/ft2build.h"

-#include "../../include/freetype/internal/ftdebug.h"

-#include "../../include/freetype/internal/ftobjs.h"

-#include "../../include/freetype/ftoutln.h"

-#include "ftrend1.h"

-#include "ftraster.h"

-#include "rastpic.h"

-#include "rasterrs.h"

- /* initialize renderer -- init its raster */

- static FT_Error

- ft_raster1_init( FT_Renderer render )

- {

- FT_Library library = FT_MODULE_LIBRARY( render );

- render->clazz->raster_class->raster_reset( render->raster,

- library->raster_pool,

- library->raster_pool_size );

- return FT_Err_Ok;

- }

- /* set render-specific mode */

- static FT_Error

- ft_raster1_set_mode( FT_Renderer render,

- FT_ULong mode_tag,

- FT_Pointer data )

- {

- /* we simply pass it to the raster */

- return render->clazz->raster_class->raster_set_mode( render->raster,

- mode_tag,

- data );

- }

- /* transform a given glyph image */

- static FT_Error

- ft_raster1_transform( FT_Renderer render,

- FT_GlyphSlot slot,

- const FT_Matrix* matrix,

- const FT_Vector* delta )

- {

- FT_Error error = FT_Err_Ok;

- if ( slot->format != render->glyph_format )

- {

- error = FT_THROW( Invalid_Argument );

- goto Exit;

- }

- if ( matrix )

- FT_Outline_Transform( &slot->outline, matrix );

- if ( delta )

- FT_Outline_Translate( &slot->outline, delta->x, delta->y );

- Exit:

- return error;

- }

- /* return the glyph's control box */

- static void

- ft_raster1_get_cbox( FT_Renderer render,

- FT_GlyphSlot slot,

- FT_BBox* cbox )

- {

- FT_MEM_ZERO( cbox, sizeof ( *cbox ) );

- if ( slot->format == render->glyph_format )

- FT_Outline_Get_CBox( &slot->outline, cbox );

- }

- /* convert a slot's glyph image into a bitmap */

- static FT_Error

- ft_raster1_render( FT_Renderer render,

- FT_GlyphSlot slot,

- FT_Render_Mode mode,

- const FT_Vector* origin )

- {

- FT_Error error;

- FT_Outline* outline;

- FT_BBox cbox;

- FT_UInt width, height, pitch;

- FT_Bitmap* bitmap;

- FT_Memory memory;

- FT_Raster_Params params;

- /* check glyph image format */

- if ( slot->format != render->glyph_format )

- {

- error = FT_THROW( Invalid_Argument );

- goto Exit;

- }

- /* check rendering mode */

-#ifndef FT_CONFIG_OPTION_PIC

- if ( mode != FT_RENDER_MODE_MONO )

- {

- /* raster1 is only capable of producing monochrome bitmaps */

- if ( render->clazz == &ft_raster1_renderer_class )

- return FT_THROW( Cannot_Render_Glyph );

- }

- else

- {

- /* raster5 is only capable of producing 5-gray-levels bitmaps */

- if ( render->clazz == &ft_raster5_renderer_class )

- return FT_THROW( Cannot_Render_Glyph );

- }

-#else /* FT_CONFIG_OPTION_PIC */

- /* When PIC is enabled, we cannot get to the class object */

- /* so instead we check the final character in the class name */

- /* ("raster5" or "raster1"). Yes this is a hack. */

- /* The "correct" thing to do is have different render function */

- /* for each of the classes. */

- if ( mode != FT_RENDER_MODE_MONO )

- {

- /* raster1 is only capable of producing monochrome bitmaps */

- if ( render->clazz->root.module_name[6] == '1' )

- return FT_THROW( Cannot_Render_Glyph );

- }

- else

- {

- /* raster5 is only capable of producing 5-gray-levels bitmaps */

- if ( render->clazz->root.module_name[6] == '5' )

- return FT_THROW( Cannot_Render_Glyph );

- }

-#endif /* FT_CONFIG_OPTION_PIC */

- outline = &slot->outline;

- /* translate the outline to the new origin if needed */

- if ( origin )

- FT_Outline_Translate( outline, origin->x, origin->y );

- /* compute the control box, and grid fit it */

- FT_Outline_Get_CBox( outline, &cbox );

- /* undocumented but confirmed: bbox values get rounded */

-#if 1

- cbox.xMin = FT_PIX_ROUND( cbox.xMin );

- cbox.yMin = FT_PIX_ROUND( cbox.yMin );

- cbox.xMax = FT_PIX_ROUND( cbox.xMax );

- cbox.yMax = FT_PIX_ROUND( cbox.yMax );

-#else

- cbox.xMin = FT_PIX_FLOOR( cbox.xMin );

- cbox.yMin = FT_PIX_FLOOR( cbox.yMin );

- cbox.xMax = FT_PIX_CEIL( cbox.xMax );

- cbox.yMax = FT_PIX_CEIL( cbox.yMax );

-#endif

- width = (FT_UInt)( ( cbox.xMax - cbox.xMin ) >> 6 );

- height = (FT_UInt)( ( cbox.yMax - cbox.yMin ) >> 6 );

- if ( width > FT_USHORT_MAX || height > FT_USHORT_MAX )

- {

- error = FT_THROW( Invalid_Argument );

- goto Exit;

- }

- bitmap = &slot->bitmap;

- memory = render->root.memory;

- /* release old bitmap buffer */

- if ( slot->internal->flags & FT_GLYPH_OWN_BITMAP )

- {

- FT_FREE( bitmap->buffer );

- slot->internal->flags &= ~FT_GLYPH_OWN_BITMAP;

- }

- /* allocate new one, depends on pixel format */

- if ( !( mode & FT_RENDER_MODE_MONO ) )

- {

- /* we pad to 32 bits, only for backwards compatibility with FT 1.x */

- pitch = FT_PAD_CEIL( width, 4 );

- bitmap->pixel_mode = FT_PIXEL_MODE_GRAY;

- bitmap->num_grays = 256;

- }

- else

- {

- pitch = ( ( width + 15 ) >> 4 ) << 1;

- bitmap->pixel_mode = FT_PIXEL_MODE_MONO;

- }

- bitmap->width = width;

- bitmap->rows = height;

- bitmap->pitch = pitch;

- if ( FT_ALLOC_MULT( bitmap->buffer, pitch, height ) )

- goto Exit;

- slot->internal->flags |= FT_GLYPH_OWN_BITMAP;

- /* translate outline to render it into the bitmap */

- FT_Outline_Translate( outline, -cbox.xMin, -cbox.yMin );

- /* set up parameters */

- params.target = bitmap;

- params.source = outline;

- params.flags = 0;

- if ( bitmap->pixel_mode == FT_PIXEL_MODE_GRAY )

- params.flags |= FT_RASTER_FLAG_AA;

- /* render outline into the bitmap */

- error = render->raster_render( render->raster, &params );

- FT_Outline_Translate( outline, cbox.xMin, cbox.yMin );

- if ( error )

- goto Exit;

- slot->format = FT_GLYPH_FORMAT_BITMAP;

- slot->bitmap_left = (FT_Int)( cbox.xMin >> 6 );

- slot->bitmap_top = (FT_Int)( cbox.yMax >> 6 );

- Exit:

- return error;

- }

- FT_DEFINE_RENDERER( ft_raster1_renderer_class,

- FT_MODULE_RENDERER,

- sizeof ( FT_RendererRec ),

- "raster1",

- 0x10000L,

- 0x20000L,

- 0, /* module specific interface */

- (FT_Module_Constructor)ft_raster1_init,

- (FT_Module_Destructor) 0,

- (FT_Module_Requester) 0

- ,

- FT_GLYPH_FORMAT_OUTLINE,

- (FT_Renderer_RenderFunc) ft_raster1_render,

- (FT_Renderer_TransformFunc)ft_raster1_transform,

- (FT_Renderer_GetCBoxFunc) ft_raster1_get_cbox,

- (FT_Renderer_SetModeFunc) ft_raster1_set_mode,

- (FT_Raster_Funcs*) &FT_STANDARD_RASTER_GET

- )

- /* This renderer is _NOT_ part of the default modules; you will need */

- /* to register it by hand in your application. It should only be */

- /* used for backwards-compatibility with FT 1.x anyway. */

- /* */

- FT_DEFINE_RENDERER( ft_raster5_renderer_class,

- FT_MODULE_RENDERER,

- sizeof ( FT_RendererRec ),

- "raster5",

- 0x10000L,

- 0x20000L,

- 0, /* module specific interface */

- (FT_Module_Constructor)ft_raster1_init,

- (FT_Module_Destructor) 0,

- (FT_Module_Requester) 0

- ,

- FT_GLYPH_FORMAT_OUTLINE,

- (FT_Renderer_RenderFunc) ft_raster1_render,

- (FT_Renderer_TransformFunc)ft_raster1_transform,

- (FT_Renderer_GetCBoxFunc) ft_raster1_get_cbox,

- (FT_Renderer_SetModeFunc) ft_raster1_set_mode,

- (FT_Raster_Funcs*) &FT_STANDARD_RASTER_GET

- )

-/* END */