mirrors
/
netsurf
mirror of https://github.com/netsurf-browser/netsurf
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Just get glyph widths rather than the entire glyph when calculating sizes. 

This should be faster but isn't (probably still rendering the glyph
internally)

svn path=/trunk/netsurf/; revision=13843
This commit is contained in:
Chris Young 2012-04-09 12:01:57 +00:00
parent f13f2468b1
commit 65b128b088
1 changed files with 49 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

60
amiga/font.c
View File

@ -78,6 +78,8 @@ ULONG ami_xdpi;
int32 ami_font_plot_glyph(struct OutlineFont *ofont, struct RastPort *rp,
uint16 char1, uint16 char2, uint32 x, uint32 y, uint32 emwidth);
int32 ami_font_width_glyph(struct OutlineFont *ofont,
uint16 char1, uint16 char2, uint32 emwidth);
struct OutlineFont *ami_open_outline_font(const plot_font_style_t *fstyle,
BOOL fallback);
static void ami_font_cleanup(struct MinList *ami_font_list);
@ -161,8 +163,7 @@ bool nsfont_position_in_string(const plot_font_style_t *fstyle,
utf16next = utf16[utf16charlen];
tempx = ami_font_plot_glyph(ofont, NULL, *utf16, utf16next,
0, 0, emwidth);
tempx = ami_font_width_glyph(ofont, *utf16, utf16next, emwidth);
if(tempx == 0)
{
@ -173,14 +174,12 @@ bool nsfont_position_in_string(const plot_font_style_t *fstyle,
if(ufont)
{
tempx = ami_font_plot_glyph(ufont, NULL, *utf16, utf16next,
0, 0, emwidth);
tempx = ami_font_width_glyph(ufont, *utf16, utf16next, emwidth);
}
/*
if(tempx == 0)
{
tempx = ami_font_plot_glyph(ofont, NULL, 0xfffd, utf16next,
0, 0, emwidth);
tempx = ami_font_width_glyph(ofont, NULL, 0xfffd, utf16next, emwidth);
}
*/
}
@ -282,7 +281,7 @@ bool nsfont_split(const plot_font_style_t *fstyle,
}
}
tempx = ami_font_plot_glyph(ofont, NULL, *utf16, utf16next, 0, 0, emwidth);
tempx = ami_font_width_glyph(ofont, *utf16, utf16next, emwidth);
if(tempx == 0)
{
@ -293,14 +292,12 @@ bool nsfont_split(const plot_font_style_t *fstyle,
if(ufont)
{
tempx = ami_font_plot_glyph(ufont, NULL, *utf16, utf16next,
0, 0, emwidth);
tempx = ami_font_width_glyph(ufont, *utf16, utf16next, emwidth);
}
/*
if(tempx == 0)
{
tempx = ami_font_plot_glyph(ofont, NULL, 0xfffd, utf16next,
0, 0, emwidth);
tempx = ami_font_width_glyph(ofont, 0xfffd, utf16next, emwidth);
}
*/
}
@ -568,6 +565,47 @@ int32 ami_font_plot_glyph(struct OutlineFont *ofont, struct RastPort *rp,
return char_advance;
}
int32 ami_font_width_glyph(struct OutlineFont *ofont,
uint16 char1, uint16 char2, uint32 emwidth)
{
int32 char_advance = 0;
FIXED kern = 0;
struct MinList *gwlist;
FIXED char1w;
struct GlyphWidthEntry *gwnode;
if(ESetInfo(&ofont->olf_EEngine,
OT_GlyphCode, char1,
OT_GlyphCode2, char1,
TAG_END) == OTERR_Success)
{
if(EObtainInfo(&ofont->olf_EEngine,
OT_WidthList, &gwlist,
TAG_END) == 0)
{
gwnode = GetHead((struct MinList *)gwlist);
char1w = gwnode->gwe_Width;
kern = 0;
if(char2) {
if(ESetInfo(&ofont->olf_EEngine,
OT_GlyphCode, char1,
OT_GlyphCode2, char2,
TAG_END) == OTERR_Success)
{
EObtainInfo(&ofont->olf_EEngine,
OT_TextKernPair, &kern,
TAG_END);
}
}
char_advance = (ULONG)(((char1w - kern) * emwidth) / 65536);
}
}
return char_advance;
}
uint16 ami_font_translate_smallcaps(uint16 utf16char)
{
uint16 *p;