static void add_rect_to_clip(const GrClip& clip, const SkRect& devRect, GrClip* out) {
switch (clip.clipType()) {
case GrClip::kClipStack_ClipType: {
SkClipStack* stack = new SkClipStack;
*stack = *clip.clipStack();
// The stack is actually in clip space not device space.
SkRect clipRect = devRect;
SkPoint origin = { SkIntToScalar(clip.origin().fX), SkIntToScalar(clip.origin().fY) };
clipRect.offset(origin);
SkIRect iclipRect;
clipRect.roundOut(&iclipRect);
clipRect = SkRect::Make(iclipRect);
stack->clipDevRect(clipRect, SkRegion::kIntersect_Op, false);
out->setClipStack(stack, &clip.origin());
break;
}
case GrClip::kWideOpen_ClipType:
*out = GrClip(devRect);
break;
case GrClip::kIRect_ClipType: {
SkIRect intersect;
devRect.roundOut(&intersect);
if (intersect.intersect(clip.irect())) {
*out = GrClip(intersect);
} else {
*out = clip;
}
break;
}
}
}
// Ensure that the 'getConservativeBounds' calls are returning bounds clamped
// to the render target
static void test_clip_bounds(skiatest::Reporter* reporter, GrContext* context) {
static const int kXSize = 100;
static const int kYSize = 100;
GrTextureDesc desc;
desc.fFlags = kRenderTarget_GrTextureFlagBit;
desc.fConfig = kAlpha_8_GrPixelConfig;
desc.fWidth = kXSize;
desc.fHeight = kYSize;
GrTexture* texture = context->createUncachedTexture(desc, NULL, 0);
if (!texture) {
return;
}
SkAutoUnref au(texture);
SkIRect intScreen = SkIRect::MakeWH(kXSize, kYSize);
SkRect screen;
screen = SkRect::MakeWH(SkIntToScalar(kXSize),
SkIntToScalar(kYSize));
SkRect clipRect(screen);
clipRect.outset(10, 10);
// create a clip stack that will (trivially) reduce to a single rect that
// is larger than the screen
SkClipStack stack;
stack.clipDevRect(clipRect, SkRegion::kReplace_Op, false);
bool isIntersectionOfRects = true;
SkRect devStackBounds;
stack.getConservativeBounds(0, 0, kXSize, kYSize,
&devStackBounds,
&isIntersectionOfRects);
// make sure that the SkClipStack is behaving itself
REPORTER_ASSERT(reporter, screen == devStackBounds);
REPORTER_ASSERT(reporter, isIntersectionOfRects);
// wrap the SkClipStack in a GrClipData
GrClipData clipData;
clipData.fClipStack = &stack;
SkIRect devGrClipDataBound;
clipData.getConservativeBounds(texture,
&devGrClipDataBound,
&isIntersectionOfRects);
// make sure that GrClipData is behaving itself
REPORTER_ASSERT(reporter, intScreen == devGrClipDataBound);
REPORTER_ASSERT(reporter, isIntersectionOfRects);
}
void SkSVGDevice::drawBitmapRect(const SkDraw& draw, const SkBitmap& bm, const SkRect* srcOrNull,
const SkRect& dst, const SkPaint& paint,
SK_VIRTUAL_CONSTRAINT_TYPE) {
SkMatrix adjustedMatrix;
adjustedMatrix.setRectToRect(srcOrNull ? *srcOrNull : SkRect::Make(bm.bounds()),
dst,
SkMatrix::kFill_ScaleToFit);
adjustedMatrix.postConcat(*draw.fMatrix);
SkDraw adjustedDraw(draw);
adjustedDraw.fMatrix = &adjustedMatrix;
SkClipStack adjustedClipStack;
if (srcOrNull && *srcOrNull != SkRect::Make(bm.bounds())) {
SkRect devClipRect;
draw.fMatrix->mapRect(&devClipRect, dst);
adjustedClipStack = *draw.fClipStack;
adjustedClipStack.clipDevRect(devClipRect, SkRegion::kIntersect_Op, paint.isAntiAlias());
adjustedDraw.fClipStack = &adjustedClipStack;
}
drawBitmapCommon(adjustedDraw, bm, paint);
}
