下面列出了java.awt.AlphaComposite#Src ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。
@Override
protected void drawGlyphList(SunGraphics2D sg2d, GlyphList gl) {
/*
* The native drawGlyphList() only works with two composite types:
* - CompositeType.SrcOver (with any extra alpha), or
* - CompositeType.Xor
*/
Composite comp = sg2d.composite;
if (comp == AlphaComposite.Src) {
/*
* In addition to the composite types listed above, the logic
* in OGL/D3DSurfaceData.validatePipe() allows for
* CompositeType.SrcNoEa, but only in the presence of an opaque
* color. If we reach this case, we know the color is opaque,
* and therefore SrcNoEa is the same as SrcOverNoEa, so we
* override the composite here.
*/
comp = AlphaComposite.SrcOver;
}
rq.lock();
try {
validateContext(sg2d, comp);
enqueueGlyphList(sg2d, gl);
} finally {
rq.unlock();
}
}
@Override
protected void drawGlyphList(SunGraphics2D sg2d, GlyphList gl) {
/*
* The native drawGlyphList() only works with two composite types:
* - CompositeType.SrcOver (with any extra alpha), or
* - CompositeType.Xor
*/
Composite comp = sg2d.composite;
if (comp == AlphaComposite.Src) {
/*
* In addition to the composite types listed above, the logic
* in OGL/D3DSurfaceData.validatePipe() allows for
* CompositeType.SrcNoEa, but only in the presence of an opaque
* color. If we reach this case, we know the color is opaque,
* and therefore SrcNoEa is the same as SrcOverNoEa, so we
* override the composite here.
*/
comp = AlphaComposite.SrcOver;
}
rq.lock();
try {
validateContext(sg2d, comp);
enqueueGlyphList(sg2d, gl);
} finally {
rq.unlock();
}
}
@Override
protected void drawGlyphList(SunGraphics2D sg2d, GlyphList gl) {
/*
* The native drawGlyphList() only works with two composite types:
* - CompositeType.SrcOver (with any extra alpha), or
* - CompositeType.Xor
*/
Composite comp = sg2d.composite;
if (comp == AlphaComposite.Src) {
/*
* In addition to the composite types listed above, the logic
* in OGL/D3DSurfaceData.validatePipe() allows for
* CompositeType.SrcNoEa, but only in the presence of an opaque
* color. If we reach this case, we know the color is opaque,
* and therefore SrcNoEa is the same as SrcOverNoEa, so we
* override the composite here.
*/
comp = AlphaComposite.SrcOver;
}
rq.lock();
try {
validateContext(sg2d, comp);
enqueueGlyphList(sg2d, gl);
} finally {
rq.unlock();
}
}
@Override
protected void drawGlyphList(SunGraphics2D sg2d, GlyphList gl) {
/*
* The native drawGlyphList() only works with two composite types:
* - CompositeType.SrcOver (with any extra alpha), or
* - CompositeType.Xor
*/
Composite comp = sg2d.composite;
if (comp == AlphaComposite.Src) {
/*
* In addition to the composite types listed above, the logic
* in OGL/D3DSurfaceData.validatePipe() allows for
* CompositeType.SrcNoEa, but only in the presence of an opaque
* color. If we reach this case, we know the color is opaque,
* and therefore SrcNoEa is the same as SrcOverNoEa, so we
* override the composite here.
*/
comp = AlphaComposite.SrcOver;
}
rq.lock();
try {
validateContext(sg2d, comp);
enqueueGlyphList(sg2d, gl);
} finally {
rq.unlock();
}
}
@Override
protected void drawGlyphList(SunGraphics2D sg2d, GlyphList gl) {
/*
* The native drawGlyphList() only works with two composite types:
* - CompositeType.SrcOver (with any extra alpha), or
* - CompositeType.Xor
*/
Composite comp = sg2d.composite;
if (comp == AlphaComposite.Src) {
/*
* In addition to the composite types listed above, the logic
* in OGL/D3DSurfaceData.validatePipe() allows for
* CompositeType.SrcNoEa, but only in the presence of an opaque
* color. If we reach this case, we know the color is opaque,
* and therefore SrcNoEa is the same as SrcOverNoEa, so we
* override the composite here.
*/
comp = AlphaComposite.SrcOver;
}
rq.lock();
try {
validateContext(sg2d, comp);
enqueueGlyphList(sg2d, gl);
} finally {
rq.unlock();
}
}
@Override
protected void drawGlyphList(SunGraphics2D sg2d, GlyphList gl) {
/*
* The native drawGlyphList() only works with two composite types:
* - CompositeType.SrcOver (with any extra alpha), or
* - CompositeType.Xor
*/
Composite comp = sg2d.composite;
if (comp == AlphaComposite.Src) {
/*
* In addition to the composite types listed above, the logic
* in OGL/D3DSurfaceData.validatePipe() allows for
* CompositeType.SrcNoEa, but only in the presence of an opaque
* color. If we reach this case, we know the color is opaque,
* and therefore SrcNoEa is the same as SrcOverNoEa, so we
* override the composite here.
*/
comp = AlphaComposite.SrcOver;
}
rq.lock();
try {
validateContext(sg2d, comp);
enqueueGlyphList(sg2d, gl);
} finally {
rq.unlock();
}
}
@Override
protected void drawGlyphList(SunGraphics2D sg2d, GlyphList gl) {
/*
* The native drawGlyphList() only works with two composite types:
* - CompositeType.SrcOver (with any extra alpha), or
* - CompositeType.Xor
*/
Composite comp = sg2d.composite;
if (comp == AlphaComposite.Src) {
/*
* In addition to the composite types listed above, the logic
* in OGL/D3DSurfaceData.validatePipe() allows for
* CompositeType.SrcNoEa, but only in the presence of an opaque
* color. If we reach this case, we know the color is opaque,
* and therefore SrcNoEa is the same as SrcOverNoEa, so we
* override the composite here.
*/
comp = AlphaComposite.SrcOver;
}
rq.lock();
try {
validateContext(sg2d, comp);
enqueueGlyphList(sg2d, gl);
} finally {
rq.unlock();
}
}
@Override
protected void drawGlyphList(SunGraphics2D sg2d, GlyphList gl) {
/*
* The native drawGlyphList() only works with two composite types:
* - CompositeType.SrcOver (with any extra alpha), or
* - CompositeType.Xor
*/
Composite comp = sg2d.composite;
if (comp == AlphaComposite.Src) {
/*
* In addition to the composite types listed above, the logic
* in OGL/D3DSurfaceData.validatePipe() allows for
* CompositeType.SrcNoEa, but only in the presence of an opaque
* color. If we reach this case, we know the color is opaque,
* and therefore SrcNoEa is the same as SrcOverNoEa, so we
* override the composite here.
*/
comp = AlphaComposite.SrcOver;
}
rq.lock();
try {
validateContext(sg2d, comp);
enqueueGlyphList(sg2d, gl);
} finally {
rq.unlock();
}
}
@Override
protected void drawGlyphList(SunGraphics2D sg2d, GlyphList gl) {
/*
* The native drawGlyphList() only works with two composite types:
* - CompositeType.SrcOver (with any extra alpha), or
* - CompositeType.Xor
*/
Composite comp = sg2d.composite;
if (comp == AlphaComposite.Src) {
/*
* In addition to the composite types listed above, the logic
* in OGL/D3DSurfaceData.validatePipe() allows for
* CompositeType.SrcNoEa, but only in the presence of an opaque
* color. If we reach this case, we know the color is opaque,
* and therefore SrcNoEa is the same as SrcOverNoEa, so we
* override the composite here.
*/
comp = AlphaComposite.SrcOver;
}
rq.lock();
try {
validateContext(sg2d, comp);
enqueueGlyphList(sg2d, gl);
} finally {
rq.unlock();
}
}
@Override
protected void drawGlyphList(SunGraphics2D sg2d, GlyphList gl) {
/*
* The native drawGlyphList() only works with two composite types:
* - CompositeType.SrcOver (with any extra alpha), or
* - CompositeType.Xor
*/
Composite comp = sg2d.composite;
if (comp == AlphaComposite.Src) {
/*
* In addition to the composite types listed above, the logic
* in OGL/D3DSurfaceData.validatePipe() allows for
* CompositeType.SrcNoEa, but only in the presence of an opaque
* color. If we reach this case, we know the color is opaque,
* and therefore SrcNoEa is the same as SrcOverNoEa, so we
* override the composite here.
*/
comp = AlphaComposite.SrcOver;
}
rq.lock();
try {
validateContext(sg2d, comp);
enqueueGlyphList(sg2d, gl);
} finally {
rq.unlock();
}
}
@Override
protected void drawGlyphList(SunGraphics2D sg2d, GlyphList gl) {
/*
* The native drawGlyphList() only works with two composite types:
* - CompositeType.SrcOver (with any extra alpha), or
* - CompositeType.Xor
*/
Composite comp = sg2d.composite;
if (comp == AlphaComposite.Src) {
/*
* In addition to the composite types listed above, the logic
* in OGL/D3DSurfaceData.validatePipe() allows for
* CompositeType.SrcNoEa, but only in the presence of an opaque
* color. If we reach this case, we know the color is opaque,
* and therefore SrcNoEa is the same as SrcOverNoEa, so we
* override the composite here.
*/
comp = AlphaComposite.SrcOver;
}
rq.lock();
try {
validateContext(sg2d, comp);
enqueueGlyphList(sg2d, gl);
} finally {
rq.unlock();
}
}
@Override
protected void drawGlyphList(SunGraphics2D sg2d, GlyphList gl) {
/*
* The native drawGlyphList() only works with two composite types:
* - CompositeType.SrcOver (with any extra alpha), or
* - CompositeType.Xor
*/
Composite comp = sg2d.composite;
if (comp == AlphaComposite.Src) {
/*
* In addition to the composite types listed above, the logic
* in OGL/D3DSurfaceData.validatePipe() allows for
* CompositeType.SrcNoEa, but only in the presence of an opaque
* color. If we reach this case, we know the color is opaque,
* and therefore SrcNoEa is the same as SrcOverNoEa, so we
* override the composite here.
*/
comp = AlphaComposite.SrcOver;
}
rq.lock();
try {
validateContext(sg2d, comp);
enqueueGlyphList(sg2d, gl);
} finally {
rq.unlock();
}
}
@Override
protected void drawGlyphList(SunGraphics2D sg2d, GlyphList gl) {
/*
* The native drawGlyphList() only works with two composite types:
* - CompositeType.SrcOver (with any extra alpha), or
* - CompositeType.Xor
*/
Composite comp = sg2d.composite;
if (comp == AlphaComposite.Src) {
/*
* In addition to the composite types listed above, the logic
* in OGL/D3DSurfaceData.validatePipe() allows for
* CompositeType.SrcNoEa, but only in the presence of an opaque
* color. If we reach this case, we know the color is opaque,
* and therefore SrcNoEa is the same as SrcOverNoEa, so we
* override the composite here.
*/
comp = AlphaComposite.SrcOver;
}
rq.lock();
try {
validateContext(sg2d, comp);
enqueueGlyphList(sg2d, gl);
} finally {
rq.unlock();
}
}
@Override
protected void drawGlyphList(SunGraphics2D sg2d, GlyphList gl) {
/*
* The native drawGlyphList() only works with two composite types:
* - CompositeType.SrcOver (with any extra alpha), or
* - CompositeType.Xor
*/
Composite comp = sg2d.composite;
if (comp == AlphaComposite.Src) {
/*
* In addition to the composite types listed above, the logic
* in OGL/D3DSurfaceData.validatePipe() allows for
* CompositeType.SrcNoEa, but only in the presence of an opaque
* color. If we reach this case, we know the color is opaque,
* and therefore SrcNoEa is the same as SrcOverNoEa, so we
* override the composite here.
*/
comp = AlphaComposite.SrcOver;
}
rq.lock();
try {
validateContext(sg2d, comp);
enqueueGlyphList(sg2d, gl);
} finally {
rq.unlock();
}
}