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[gf] Fixes in `GF_Glyph_Load' function. 

* src/gf/gfdrivr.c(GF_Glyph_Load):
  - Use pointer to extract metric values from `bm_table'.
  - Remove unnecessary test for `glyph_index'.
This commit is contained in:
Parth Wazurkar 2018-08-12 23:30:04 +05:30
parent 9f4eef0a67
commit ae5ef67e70
1 changed files with 21 additions and 28 deletions
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49
src/gf/gfdrivr.c
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@ -429,7 +429,7 @@
FT_Face face = FT_FACE( gf );
FT_Error error = FT_Err_Ok;
FT_Bitmap* bitmap = &slot->bitmap;
GF_BitmapRec bm;
GF_Bitmap bm;
GF_Glyph go;
go = gf->gf_glyph;
@ -454,13 +454,6 @@
if ( (FT_Int)glyph_index < 0 )
glyph_index = 0;
if ((glyph_index < go->code_min) || (go->code_max < glyph_index))
{
FT_TRACE2(( "invalid glyph index\n" ));
error = FT_THROW( Invalid_Argument );
goto Exit;
}
if ( !go->bm_table )
{
FT_TRACE2(( "invalid bitmap table\n" ));
@ -469,45 +462,45 @@
}
/* slot, bitmap => freetype, bm => gflib */
bm = gf->gf_glyph->bm_table[glyph_index];
bm = &gf->gf_glyph->bm_table[glyph_index];
bitmap->rows = bm.bbx_height;
bitmap->width = bm.bbx_width;
bitmap->rows = bm->bbx_height;
bitmap->width = bm->bbx_width;
bitmap->pixel_mode = FT_PIXEL_MODE_MONO;
if ( !bm.raster )
if ( !bm->raster )
{
FT_TRACE2(( "invalid bitmap width\n" ));
error = FT_THROW( Invalid_File_Format );
goto Exit;
}
bitmap->pitch = (int)bm.raster ;
bitmap->pitch = (int)bm->raster ;
/* note: we don't allocate a new array to hold the bitmap; */
/* we can simply point to it */
ft_glyphslot_set_bitmap( slot, bm.bitmap );
ft_glyphslot_set_bitmap( slot, bm->bitmap );
slot->format = FT_GLYPH_FORMAT_BITMAP;
slot->bitmap_left = bm.off_x ;
slot->bitmap_top = bm.off_y ;
slot->bitmap_left = bm->off_x ;
slot->bitmap_top = bm->off_y ;
slot->metrics.horiAdvance = (FT_Pos) (bm.mv_x ) * 64;
slot->metrics.horiBearingX = (FT_Pos) (bm.off_x ) * 64;
slot->metrics.horiBearingY = (FT_Pos) (bm.bbx_height) * 64;
slot->metrics.horiAdvance = (FT_Pos) (bm->mv_x ) * 64;
slot->metrics.horiBearingX = (FT_Pos) (bm->off_x ) * 64;
slot->metrics.horiBearingY = (FT_Pos) (bm->bbx_height) * 64;
slot->metrics.width = (FT_Pos) ( bitmap->width * 64 );
slot->metrics.height = (FT_Pos) ( bitmap->rows * 64 );
FT_TRACE2(( "Glyph metric values are: bm.bbx_height is %ld\n"
" bm.bbx_width is %ld\n"
" bm.off_x is %ld\n"
" bm.off_y is %ld\n"
" bm.mv_x is %ld\n"
" bm.mv_y is %ld\n", bm.bbx_height, bm.bbx_width,
bm.off_x, bm.off_y, bm.mv_x,
bm.mv_y ));
FT_TRACE2(( "Glyph metric values are: bm->bbx_height is %ld\n"
" bm->bbx_width is %ld\n"
" bm->off_x is %ld\n"
" bm->off_y is %ld\n"
" bm->mv_x is %ld\n"
" bm->mv_y is %ld\n", bm->bbx_height, bm->bbx_width,
bm->off_x, bm->off_y, bm->mv_x,
bm->mv_y ));
ft_synthesize_vertical_metrics( &slot->metrics, bm.bbx_height * 64 );
ft_synthesize_vertical_metrics( &slot->metrics, bm->bbx_height * 64 );
Exit:
return error;