[PATCH v2 2/7] gdi32: Add helper functions to cache the glyph metrics.
Byeongsik Jeon
bsjeon at hanmail.net
Tue Jan 29 11:12:36 CST 2019
Signed-off-by: Byeongsik Jeon <bsjeon at hanmail.net>
---
dlls/gdi32/freetype.c | 81 ++++++++++++++++++++++++++++---------------
1 file changed, 54 insertions(+), 27 deletions(-)
diff --git a/dlls/gdi32/freetype.c b/dlls/gdi32/freetype.c
index a522bcaba6..7e07b22409 100644
--- a/dlls/gdi32/freetype.c
+++ b/dlls/gdi32/freetype.c
@@ -4697,6 +4697,56 @@ static void free_font(GdiFont *font)
HeapFree(GetProcessHeap(), 0, font);
}
+/* TODO: GGO format support */
+static GM *get_cached_gm_abc_metrics( GdiFont *font, UINT index,
+ GLYPHMETRICS *gm, ABC *abc )
+{
+ UINT block = index / GM_BLOCK_SIZE;
+ UINT entry = index % GM_BLOCK_SIZE;
+ GM *ret = NULL;
+
+ if (block < font->gmsize && font->gm[block] && font->gm[block][entry].init)
+ {
+ *gm = font->gm[block][entry].gm;
+ *abc = font->gm[block][entry].abc;
+ ret = &font->gm[block][entry];
+
+ TRACE( "cached gm: %u,%u,%s,%d,%d\n", gm->gmBlackBoxX, gm->gmBlackBoxY,
+ wine_dbgstr_point( &gm->gmptGlyphOrigin ),
+ gm->gmCellIncX, gm->gmCellIncY );
+ TRACE( "cached abc: %d,%u,%d\n", abc->abcA, abc->abcB, abc->abcC );
+ }
+
+ return ret;
+}
+
+static void cache_gm_abc_metrics( GdiFont *font, UINT index,
+ const GLYPHMETRICS *gm, const ABC *abc )
+{
+ UINT block = index / GM_BLOCK_SIZE;
+ UINT entry = index % GM_BLOCK_SIZE;
+
+ if (block >= font->gmsize)
+ {
+ GM **ptr = HeapReAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY,
+ font->gm, (block + 1) * sizeof(GM *) );
+ if (!ptr) return;
+
+ font->gmsize = block + 1;
+ font->gm = ptr;
+ }
+
+ if (!font->gm[block])
+ {
+ font->gm[block] = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY,
+ sizeof(GM) * GM_BLOCK_SIZE );
+ if (!font->gm[block]) return;
+ }
+
+ font->gm[block][entry].gm = *gm;
+ font->gm[block][entry].abc = *abc;
+ font->gm[block][entry].init = TRUE;
+}
static DWORD get_font_data( GdiFont *font, DWORD table, DWORD offset, LPVOID buf, DWORD cbData)
{
@@ -7076,7 +7126,6 @@ static DWORD get_glyph_outline(GdiFont *incoming_font, UINT glyph, UINT format,
BOOL needsTransform = FALSE;
BOOL tategaki = (font->name[0] == '@');
BOOL vertical_metrics;
- UINT original_index;
TRACE("%p, %04x, %08x, %p, %08x, %p, %p\n", font, glyph, format, lpgm,
buflen, buf, lpmat);
@@ -7093,7 +7142,6 @@ static DWORD get_glyph_outline(GdiFont *incoming_font, UINT glyph, UINT format,
TRACE("translate glyph index %04x -> %04x\n", glyph, glyph_index);
} else
glyph_index = glyph;
- original_index = glyph_index;
format &= ~GGO_GLYPH_INDEX;
/* TODO: Window also turns off tategaki for glyphs passed in by index
if their unicode code points fall outside of the range that is
@@ -7102,32 +7150,15 @@ static DWORD get_glyph_outline(GdiFont *incoming_font, UINT glyph, UINT format,
BOOL vert;
get_glyph_index_linked(incoming_font, glyph, &font, &glyph_index, &vert);
ft_face = font->ft_face;
- original_index = glyph_index;
if (!vert && tategaki)
tategaki = check_unicode_tategaki(glyph);
}
format &= ~GGO_UNHINTED;
- if(original_index >= font->gmsize * GM_BLOCK_SIZE) {
- font->gmsize = (original_index / GM_BLOCK_SIZE + 1);
- font->gm = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, font->gm,
- font->gmsize * sizeof(GM*));
- } else {
- if (format == GGO_METRICS && font->gm[original_index / GM_BLOCK_SIZE] != NULL &&
- FONT_GM(font,original_index)->init && is_identity_MAT2(lpmat))
- {
- *lpgm = FONT_GM(font,original_index)->gm;
- *abc = FONT_GM(font,original_index)->abc;
- TRACE("cached: %u,%u,%s,%d,%d\n", lpgm->gmBlackBoxX, lpgm->gmBlackBoxY,
- wine_dbgstr_point(&lpgm->gmptGlyphOrigin),
- lpgm->gmCellIncX, lpgm->gmCellIncY);
- return 1; /* FIXME */
- }
- }
-
- if (!font->gm[original_index / GM_BLOCK_SIZE])
- font->gm[original_index / GM_BLOCK_SIZE] = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY, sizeof(GM) * GM_BLOCK_SIZE);
+ if (format == GGO_METRICS && is_identity_MAT2(lpmat) &&
+ get_cached_gm_abc_metrics( font, glyph_index, lpgm, abc ))
+ return 1; /* FIXME */
needsTransform = get_transform_matrix( font, tategaki, lpmat,
&transMat, &transMatTategaki, &transMatUnrotated );
@@ -7268,11 +7299,7 @@ static DWORD get_glyph_outline(GdiFont *incoming_font, UINT glyph, UINT format,
if ((format == GGO_METRICS || format == GGO_BITMAP || format == WINE_GGO_GRAY16_BITMAP) &&
is_identity_MAT2(lpmat)) /* don't cache custom transforms */
- {
- FONT_GM(font,original_index)->gm = gm;
- FONT_GM(font,original_index)->abc = *abc;
- FONT_GM(font,original_index)->init = TRUE;
- }
+ cache_gm_abc_metrics( font, glyph_index, &gm, abc );
if(format == GGO_METRICS)
{
--
2.20.1
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