Attachment 183997 Details for Bug 219608 – Some files/patch-fix_size_metrics.diff patch for test (for v2.8)

[patch] Some files/patch-fix_size_metrics.diff patch for test (for v2.8)

patch-fix_size_metrics.diff (text/plain), 2.01 KB, created by lightside on 2017-07-02 01:05:04 UTC

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Creator: lightside

Created: 2017-07-02 01:05:04 UTC

Size: 2.01 KB

patch

obsolete

># Fix metrics on size request for scalable fonts.
># Based on b0962ac34e66052ccfee7996e5468f30d4bd5a72 commit with changes for new version.
># Reverts bcc74f4dafee25ea89f1d3144646cba7e30f9908 commit for src/truetype/ttdriver.c file.
># Adapts 8ab08cff63eeb23b6c9f2c4470ae9809f2acf244 commit for src/truetype/ttobjs.c file.
>
>--- src/truetype/ttdriver.c.orig	2017-04-29 04:38:17 UTC
>+++ src/truetype/ttdriver.c
>@@ -357,6 +357,8 @@
>     if ( FT_IS_SCALABLE( size->face ) )
>     {
>       error = tt_size_reset( ttsize, 0 );
>+      if ( !error )
>+        ttsize->root.metrics = *ttsize->metrics;
> 
> #ifdef TT_USE_BYTECODE_INTERPRETER
>       /* for the `MPS' bytecode instruction we need the point size */
>--- src/truetype/ttobjs.c.orig	2017-05-07 11:05:56 UTC
>+++ src/truetype/ttobjs.c
>@@ -1262,6 +1262,13 @@
>     /*                                                               */
>     if ( face->header.Flags & 8 )
>     {
>+      if ( !only_height )
>+      {
>+        size_metrics->x_scale = FT_DivFix( size_metrics->x_ppem << 6,
>+                                           face->root.units_per_EM );
>+        size_metrics->y_scale = FT_DivFix( size_metrics->y_ppem << 6,
>+                                           face->root.units_per_EM );
>+      }
>       /* the TT spec always asks for ROUND, not FLOOR or CEIL */
>       size_metrics->ascender = FT_PIX_ROUND(
>                                  FT_MulFix( face->root.ascender,
>@@ -1283,11 +1290,12 @@
>     {
>       /* base scaling values on integer ppem values, */
>       /* as mandated by the TrueType specification   */
>+/*
>       size_metrics->x_scale = FT_DivFix( size_metrics->x_ppem << 6,
>                                          face->root.units_per_EM );
>       size_metrics->y_scale = FT_DivFix( size_metrics->y_ppem << 6,
>                                          face->root.units_per_EM );
>-
>+*/
>       size_metrics->max_advance = FT_PIX_ROUND(
>                                     FT_MulFix( face->root.max_advance_width,
>                                                size_metrics->x_scale ) );

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Attachments on bug 219608: 182981 | 182982 | 183227 | 183228 | 183237 | 183238 | 183250 | 183251 | 183254 | 183327 | 183976 | 183977 | 183978 | 183980 | 183981 | 183994 | 183995 | 183997 | 183998 | 184030