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Fix a potential crash when plotting glyphs

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This commit is contained in:
Chris Young 2013-04-28 11:53:37 +01:00
parent 9641837022
commit e4f11d1b74
1 changed files with 6 additions and 6 deletions
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12
amiga/font.c
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@ -584,7 +584,7 @@ int32 ami_font_plot_glyph(struct OutlineFont *ofont, struct RastPort *rp,
if ((*char2 >= 0xD800) && (*char2 <= 0xDBFF)) {
/* Don't attempt to kern a UTF-16 surrogate */
char2 = 0;
*char2 = 0;
}
if(aa == false) {
@ -622,7 +622,7 @@ int32 ami_font_plot_glyph(struct OutlineFont *ofont, struct RastPort *rp,
kern = 0;
if(char2) EObtainInfo(&ofont->olf_EEngine,
if(*char2) EObtainInfo(&ofont->olf_EEngine,
OT_TextKernPair, &kern,
TAG_END);
@ -632,7 +632,7 @@ int32 ami_font_plot_glyph(struct OutlineFont *ofont, struct RastPort *rp,
glyphmaptag, glyph,
TAG_END);
if(char2) EReleaseInfo(&ofont->olf_EEngine,
if(*char2) EReleaseInfo(&ofont->olf_EEngine,
OT_TextKernPair, kern,
TAG_END);
}
@ -657,7 +657,7 @@ int32 ami_font_width_glyph(struct OutlineFont *ofont,
if ((*char2 >= 0xD800) && (*char2 <= 0xDBFF)) {
/* Don't attempt to kern a UTF-16 surrogate */
char2 = 0;
*char2 = 0;
}
if(ESetInfo(&ofont->olf_EEngine,
@ -674,7 +674,7 @@ int32 ami_font_width_glyph(struct OutlineFont *ofont,
kern = 0;
if(char2) {
if(*char2) {
if(ESetInfo(&ofont->olf_EEngine,
OT_GlyphCode, *char1,
OT_GlyphCode2, *char2,
@ -687,7 +687,7 @@ int32 ami_font_width_glyph(struct OutlineFont *ofont,
}
char_advance = (ULONG)(((char1w - kern) * emwidth) / 65536);
if(char2) EReleaseInfo(&ofont->olf_EEngine,
if(*char2) EReleaseInfo(&ofont->olf_EEngine,
OT_TextKernPair, kern,
TAG_END);