本文整理汇总了C++中gfxMatrix::HasOnlyIntegerTranslation方法的典型用法代码示例。如果您正苦于以下问题：C++ gfxMatrix::HasOnlyIntegerTranslation方法的具体用法？C++ gfxMatrix::HasOnlyIntegerTranslation怎么用？C++ gfxMatrix::HasOnlyIntegerTranslation使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类gfxMatrix的用法示例。
在下文中一共展示了gfxMatrix::HasOnlyIntegerTranslation方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: gfxPattern
bool
gfxSurfaceDrawable::Draw(gfxContext* aContext,
const gfxRect& aFillRect,
bool aRepeat,
const GraphicsFilter& aFilter,
const gfxMatrix& aTransform)
{
nsRefPtr<gfxPattern> pattern = new gfxPattern(mSurface);
if (aRepeat) {
pattern->SetExtend(gfxPattern::EXTEND_REPEAT);
pattern->SetFilter(aFilter);
} else {
GraphicsFilter filter = aFilter;
if (aContext->CurrentMatrix().HasOnlyIntegerTranslation() &&
aTransform.HasOnlyIntegerTranslation())
{
// If we only have integer translation, no special filtering needs to
// happen and we explicitly use FILTER_FAST. This is fast for some
// backends.
filter = GraphicsFilter::FILTER_FAST;
}
nsRefPtr<gfxASurface> currentTarget = aContext->CurrentSurface();
gfxMatrix deviceSpaceToImageSpace =
DeviceToImageTransform(aContext, aTransform);
PreparePatternForUntiledDrawing(pattern, deviceSpaceToImageSpace,
currentTarget, filter);
}
pattern->SetMatrix(gfxMatrix(aTransform).Multiply(mTransform));
aContext->NewPath();
aContext->SetPattern(pattern);
aContext->Rectangle(aFillRect);
aContext->Fill();
return true;
}示例2: gfxPattern
bool
gfxSurfaceDrawable::Draw(gfxContext* aContext,
const gfxRect& aFillRect,
bool aRepeat,
const GraphicsFilter& aFilter,
const gfxMatrix& aTransform)
{
nsRefPtr<gfxPattern> pattern;
if (mDrawTarget) {
if (aContext->IsCairo()) {
nsRefPtr<gfxASurface> source =
gfxPlatform::GetPlatform()->GetThebesSurfaceForDrawTarget(mDrawTarget);
pattern = new gfxPattern(source);
} else {
RefPtr<SourceSurface> source = mDrawTarget->Snapshot();
pattern = new gfxPattern(source, Matrix());
}
} else if (mSourceSurface) {
pattern = new gfxPattern(mSourceSurface, Matrix());
} else {
pattern = new gfxPattern(mSurface);
}
if (aRepeat) {
pattern->SetExtend(gfxPattern::EXTEND_REPEAT);
pattern->SetFilter(aFilter);
} else {
GraphicsFilter filter = aFilter;
if (aContext->CurrentMatrix().HasOnlyIntegerTranslation() &&
aTransform.HasOnlyIntegerTranslation())
{
// If we only have integer translation, no special filtering needs to
// happen and we explicitly use FILTER_FAST. This is fast for some
// backends.
filter = GraphicsFilter::FILTER_FAST;
}
nsRefPtr<gfxASurface> currentTarget = aContext->CurrentSurface();
gfxMatrix deviceSpaceToImageSpace =
DeviceToImageTransform(aContext, aTransform);
PreparePatternForUntiledDrawing(pattern, deviceSpaceToImageSpace,
currentTarget, filter);
}
pattern->SetMatrix(gfxMatrix(aTransform).Multiply(mTransform));
aContext->NewPath();
aContext->SetPattern(pattern);
aContext->Rectangle(aFillRect);
aContext->Fill();
// clear the pattern so that the snapshot is released before the
// drawable is destroyed
aContext->SetDeviceColor(gfxRGBA(0.0, 0.0, 0.0, 0.0));
return true;
}