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JRE-748 Strange dots with fractional metrics turned on

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port commit 82e7c82d from JBR 9

port from JBR 11 to JBR 15 (cherry picked from commit e9bd5f5dad)

cherry picked from commit e0475e9ba2

(cherry picked from commit 714ba79a84)
This commit is contained in:
Dmitry Batrak
2018-12-24 17:05:55 +03:00
committed by jbrbot
parent 9f84df7306
commit 20b884dcc8
3 changed files with 19 additions and 8 deletions
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3
src/java.desktop/macosx/native/libawt_lwawt/font/AWTStrike.h
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@@ -34,6 +34,7 @@
CGFloat fSize;
JRSFontRenderingStyle fStyle;
jint fAAStyle;
jint fFmHint;
CGAffineTransform fTx;
CGAffineTransform fDevTx;
@@ -41,6 +42,6 @@
CGAffineTransform fFontTx;
}
+ (AWTStrike *) awtStrikeForFont:(AWTFont *)awtFont tx:(CGAffineTransform)tx invDevTx:(CGAffineTransform)invDevTx style:(JRSFontRenderingStyle)style aaStyle:(jint)aaStyle;
+ (AWTStrike *) awtStrikeForFont:(AWTFont *)awtFont tx:(CGAffineTransform)tx invDevTx:(CGAffineTransform)invDevTx style:(JRSFontRenderingStyle)style aaStyle:(jint)aaStyle fmHint:(jint)fmHint;
@end

12
src/java.desktop/macosx/native/libawt_lwawt/font/AWTStrike.m
View File

@@ -40,13 +40,15 @@ static CGAffineTransform sInverseTX = { 1, 0, 0, -1, 0, 0 };
tx:(CGAffineTransform)tx
invDevTx:(CGAffineTransform)invDevTx
style:(JRSFontRenderingStyle)style
aaStyle:(jint)aaStyle {
aaStyle:(jint)aaStyle
fmHint:(jint)fmHint {
self = [super init];
if (self) {
fAWTFont = [awtFont retain];
fStyle = style;
fAAStyle = aaStyle;
fFmHint = fmHint;
fTx = tx; // composited glyph and device transform
@@ -76,12 +78,14 @@ static CGAffineTransform sInverseTX = { 1, 0, 0, -1, 0, 0 };
tx:(CGAffineTransform)tx
invDevTx:(CGAffineTransform)invDevTx
style:(JRSFontRenderingStyle)style
aaStyle:(jint)aaStyle {
aaStyle:(jint)aaStyle
fmHint:(jint)fmHint {
return [[[AWTStrike alloc] initWithFont:awtFont
tx:tx invDevTx:invDevTx
style:style
aaStyle:aaStyle] autorelease];
aaStyle:aaStyle
fmHint:fmHint] autorelease];
}
@end
@@ -352,7 +356,7 @@ JNI_COCOA_ENTER(env);
CGAffineTransform glyphTx = GetTxFromDoubles(env, glyphTxArray);
CGAffineTransform invDevTx = GetTxFromDoubles(env, invDevTxArray);
awtStrike = [AWTStrike awtStrikeForFont:awtFont tx:glyphTx invDevTx:invDevTx style:style aaStyle:aaStyle]; // autoreleased
awtStrike = [AWTStrike awtStrikeForFont:awtFont tx:glyphTx invDevTx:invDevTx style:style aaStyle:aaStyle fmHint:fmHint]; // autoreleased
if (awtStrike)
{

12
src/java.desktop/macosx/native/libawt_lwawt/font/CGGlyphImages.m
View File

@@ -567,14 +567,17 @@ CGGI_CreateNewGlyphInfoFrom(CGSize advance, CGRect bbox,
}
advance = CGSizeApplyAffineTransform(advance, strike->fDevTx);
int imageBytes = height * width * pixelSize;
int extraPixelStorage = (strike->fAAStyle == sun_awt_SunHints_INTVAL_TEXT_ANTIALIAS_LCD_HRGB &&
strike->fFmHint == sun_awt_SunHints_INTVAL_FRACTIONALMETRICS_ON) ? 3 : 0;
#ifdef USE_IMAGE_ALIGNED_MEMORY
// create separate memory
GlyphInfo *glyphInfo = (GlyphInfo *)malloc(sizeof(GlyphInfo));
void *image = (void *)malloc(height * width * pixelSize);
void *image = (void *)malloc(imageBytes + extraPixelStorage);
#else
// create a GlyphInfo struct fused to the image it points to
GlyphInfo *glyphInfo = (GlyphInfo *)malloc(sizeof(GlyphInfo) +
height * width * pixelSize);
GlyphInfo *glyphInfo = (GlyphInfo *)malloc(sizeof(GlyphInfo) + imageBytes + extraPixelStorage);
#endif
glyphInfo->advanceX = advance.width;
@@ -592,6 +595,9 @@ CGGI_CreateNewGlyphInfoFrom(CGSize advance, CGRect bbox,
glyphInfo->image = ((void *)glyphInfo) + sizeof(GlyphInfo);
#endif
int i;
for (i = 0; i < extraPixelStorage; i++) (glyphInfo->image)[imageBytes + i] = 0;
return glyphInfo;
}