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-rw-r--r--include/core/SkImageFilter.h37
-rw-r--r--src/core/SkImageFilter.cpp13
-rw-r--r--src/effects/SkBlurImageFilter.cpp12
-rw-r--r--src/effects/SkColorFilterImageFilter.cpp4
-rw-r--r--src/effects/SkDisplacementMapEffect.cpp8
-rw-r--r--src/effects/SkDropShadowImageFilter.cpp4
-rw-r--r--src/effects/SkOffsetImageFilter.cpp4
-rw-r--r--src/effects/SkPaintImageFilter.cpp2
-rw-r--r--src/effects/SkXfermodeImageFilter.cpp8
9 files changed, 51 insertions, 41 deletions
diff --git a/include/core/SkImageFilter.h b/include/core/SkImageFilter.h
index 44231cc7ee..689d52b827 100644
--- a/include/core/SkImageFilter.h
+++ b/include/core/SkImageFilter.h
@@ -390,26 +390,25 @@ protected:
return false;
}
- /** Given a "src" bitmap and its "srcOffset", computes source and
- * destination bounds for this filter. Initial bounds are the
- * "src" bitmap bounds offset by "srcOffset". "dstBounds" are
- * computed by transforming the crop rect by the context's CTM,
- * applying it to the initial bounds, and intersecting the result
- * with the context's clip bounds. "srcBounds" (if non-null) are
- * computed by intersecting the initial bounds with "dstBounds", to
- * ensure that we never sample outside of the crop rect (this restriction
- * may be relaxed in the future).
+ /** Given a "srcBounds" rect, computes destination bounds for this
+ * destination bounds for this filter. "dstBounds" are computed by
+ * transforming the crop rect by the context's CTM, applying it to the
+ * initial bounds, and intersecting the result with the context's clip
+ * bounds. "srcBounds" (if non-null) are computed by intersecting the
+ * initial bounds with "dstBounds", to ensure that we never sample
+ * outside of the crop rect (this restriction may be relaxed in the
+ * future).
*/
- bool applyCropRect(const Context&, const SkBitmap& src, const SkIPoint& srcOffset,
- SkIRect* dstBounds, SkIRect* srcBounds = nullptr) const;
-
- /** Same as the above call, except that if the resulting crop rect is not
- * entirely contained by the source bitmap's bounds, it creates a new
- * bitmap in "result" and pads the edges with transparent black. In that
- * case, the srcOffset is modified to be the same as the bounds, since no
- * further adjustment is needed by the caller. This version should only
- * be used by filters which are not capable of processing a smaller
- * source bitmap into a larger destination.
+ bool applyCropRect(const Context&, const SkIRect& srcBounds, SkIRect* dstBounds) const;
+
+ /** A variant of the above call which takes the original source bitmap and
+ * source offset. If the resulting crop rect is not entirely contained by
+ * the source bitmap's bounds, it creates a new bitmap in "result" and
+ * pads the edges with transparent black. In that case, the srcOffset is
+ * modified to be the same as the bounds, since no further adjustment is
+ * needed by the caller. This version should only be used by filters
+ * which are not capable of processing a smaller source bitmap into a
+ * larger destination.
*/
bool applyCropRect(const Context&, Proxy* proxy, const SkBitmap& src, SkIPoint* srcOffset,
SkIRect* bounds, SkBitmap* result) const;
diff --git a/src/core/SkImageFilter.cpp b/src/core/SkImageFilter.cpp
index 94d6ab6a16..55abb8887f 100644
--- a/src/core/SkImageFilter.cpp
+++ b/src/core/SkImageFilter.cpp
@@ -394,16 +394,9 @@ bool SkImageFilter::asAColorFilter(SkColorFilter** filterPtr) const {
return true;
}
-bool SkImageFilter::applyCropRect(const Context& ctx, const SkBitmap& src,
- const SkIPoint& srcOffset, SkIRect* dstBounds,
- SkIRect* srcBounds) const {
- SkIRect storage;
- if (!srcBounds) {
- srcBounds = &storage;
- }
- src.getBounds(srcBounds);
- srcBounds->offset(srcOffset);
- this->onFilterNodeBounds(*srcBounds, ctx.ctm(), dstBounds, kForward_MapDirection);
+bool SkImageFilter::applyCropRect(const Context& ctx, const SkIRect& srcBounds,
+ SkIRect* dstBounds) const {
+ this->onFilterNodeBounds(srcBounds, ctx.ctm(), dstBounds, kForward_MapDirection);
fCropRect.applyTo(*dstBounds, ctx.ctm(), dstBounds);
// Intersect against the clip bounds, in case the crop rect has
// grown the bounds beyond the original clip. This can happen for
diff --git a/src/effects/SkBlurImageFilter.cpp b/src/effects/SkBlurImageFilter.cpp
index a1d6a2f80e..6ba9e0b640 100644
--- a/src/effects/SkBlurImageFilter.cpp
+++ b/src/effects/SkBlurImageFilter.cpp
@@ -82,8 +82,10 @@ bool SkBlurImageFilter::onFilterImage(Proxy* proxy,
return false;
}
- SkIRect srcBounds, dstBounds;
- if (!this->applyCropRect(this->mapContext(ctx), src, srcOffset, &dstBounds, &srcBounds)) {
+ SkIRect srcBounds = src.bounds();
+ srcBounds.offset(srcOffset);
+ SkIRect dstBounds;
+ if (!this->applyCropRect(this->mapContext(ctx), srcBounds, &dstBounds)) {
return false;
}
if (!srcBounds.intersect(dstBounds)) {
@@ -204,8 +206,10 @@ bool SkBlurImageFilter::filterImageGPU(Proxy* proxy, const SkBitmap& src, const
if (!this->filterInputGPU(0, proxy, src, ctx, &input, &srcOffset)) {
return false;
}
- SkIRect srcBounds, dstBounds;
- if (!this->applyCropRect(this->mapContext(ctx), input, srcOffset, &dstBounds, &srcBounds)) {
+ SkIRect srcBounds = input.bounds();
+ srcBounds.offset(srcOffset);
+ SkIRect dstBounds;
+ if (!this->applyCropRect(this->mapContext(ctx), srcBounds, &dstBounds)) {
return false;
}
if (!srcBounds.intersect(dstBounds)) {
diff --git a/src/effects/SkColorFilterImageFilter.cpp b/src/effects/SkColorFilterImageFilter.cpp
index b0e47505a7..5b97d1bc36 100644
--- a/src/effects/SkColorFilterImageFilter.cpp
+++ b/src/effects/SkColorFilterImageFilter.cpp
@@ -66,7 +66,9 @@ bool SkColorFilterImageFilter::onFilterImage(Proxy* proxy, const SkBitmap& sourc
}
SkIRect bounds;
- if (!this->applyCropRect(ctx, src, srcOffset, &bounds)) {
+ SkIRect srcBounds = src.bounds();
+ srcBounds.offset(srcOffset);
+ if (!this->applyCropRect(ctx, srcBounds, &bounds)) {
return false;
}
diff --git a/src/effects/SkDisplacementMapEffect.cpp b/src/effects/SkDisplacementMapEffect.cpp
index ec306cca3b..2f95474a76 100644
--- a/src/effects/SkDisplacementMapEffect.cpp
+++ b/src/effects/SkDisplacementMapEffect.cpp
@@ -228,7 +228,9 @@ bool SkDisplacementMapEffect::onFilterImage(Proxy* proxy,
SkIRect bounds;
// Since computeDisplacement does bounds checking on color pixel access, we don't need to pad
// the color bitmap to bounds here.
- if (!this->applyCropRect(ctx, color, colorOffset, &bounds)) {
+ SkIRect srcBounds = color.bounds();
+ srcBounds.offset(colorOffset);
+ if (!this->applyCropRect(ctx, srcBounds, &bounds)) {
return false;
}
SkIRect displBounds;
@@ -396,10 +398,12 @@ bool SkDisplacementMapEffect::filterImageGPU(Proxy* proxy, const SkBitmap& src,
if (!this->filterInputGPU(0, proxy, src, ctx, &displacementBM, &displacementOffset)) {
return false;
}
+ SkIRect srcBounds = colorBM.bounds();
+ srcBounds.offset(colorOffset);
SkIRect bounds;
// Since GrDisplacementMapEffect does bounds checking on color pixel access, we don't need to
// pad the color bitmap to bounds here.
- if (!this->applyCropRect(ctx, colorBM, colorOffset, &bounds)) {
+ if (!this->applyCropRect(ctx, srcBounds, &bounds)) {
return false;
}
SkIRect displBounds;
diff --git a/src/effects/SkDropShadowImageFilter.cpp b/src/effects/SkDropShadowImageFilter.cpp
index eb05cf09ec..5f8736f3a5 100644
--- a/src/effects/SkDropShadowImageFilter.cpp
+++ b/src/effects/SkDropShadowImageFilter.cpp
@@ -62,8 +62,10 @@ bool SkDropShadowImageFilter::onFilterImage(Proxy* proxy, const SkBitmap& source
if (!this->filterInput(0, proxy, source, ctx, &src, &srcOffset))
return false;
+ SkIRect srcBounds = src.bounds();
+ srcBounds.offset(srcOffset);
SkIRect bounds;
- if (!this->applyCropRect(ctx, src, srcOffset, &bounds)) {
+ if (!this->applyCropRect(ctx, srcBounds, &bounds)) {
return false;
}
diff --git a/src/effects/SkOffsetImageFilter.cpp b/src/effects/SkOffsetImageFilter.cpp
index 70247f2a19..2aac4f32d1 100644
--- a/src/effects/SkOffsetImageFilter.cpp
+++ b/src/effects/SkOffsetImageFilter.cpp
@@ -37,7 +37,9 @@ bool SkOffsetImageFilter::onFilterImage(Proxy* proxy, const SkBitmap& source,
}
SkIRect bounds;
- if (!this->applyCropRect(ctx, src, srcOffset, &bounds)) {
+ SkIRect srcBounds = src.bounds();
+ srcBounds.offset(srcOffset);
+ if (!this->applyCropRect(ctx, srcBounds, &bounds)) {
return false;
}
diff --git a/src/effects/SkPaintImageFilter.cpp b/src/effects/SkPaintImageFilter.cpp
index d141f34dfb..c0210513ac 100644
--- a/src/effects/SkPaintImageFilter.cpp
+++ b/src/effects/SkPaintImageFilter.cpp
@@ -39,7 +39,7 @@ bool SkPaintImageFilter::onFilterImage(Proxy* proxy,
SkBitmap* result,
SkIPoint* offset) const {
SkIRect bounds;
- if (!this->applyCropRect(ctx, source, SkIPoint::Make(0, 0), &bounds)) {
+ if (!this->applyCropRect(ctx, source.bounds(), &bounds)) {
return false;
}
diff --git a/src/effects/SkXfermodeImageFilter.cpp b/src/effects/SkXfermodeImageFilter.cpp
index fbceedb0dd..3f702e69c4 100644
--- a/src/effects/SkXfermodeImageFilter.cpp
+++ b/src/effects/SkXfermodeImageFilter.cpp
@@ -57,11 +57,15 @@ bool SkXfermodeImageFilter::onFilterImage(Proxy* proxy,
}
SkIRect bounds, foregroundBounds;
- if (!applyCropRect(ctx, foreground, foregroundOffset, &foregroundBounds)) {
+ SkIRect foregroundSrcBounds = foreground.bounds();
+ foregroundSrcBounds.offset(foregroundOffset);
+ if (!applyCropRect(ctx, foregroundSrcBounds, &foregroundBounds)) {
foregroundBounds.setEmpty();
foreground.reset();
}
- if (!applyCropRect(ctx, background, backgroundOffset, &bounds)) {
+ SkIRect backgroundSrcBounds = background.bounds();
+ backgroundSrcBounds.offset(backgroundOffset);
+ if (!applyCropRect(ctx, backgroundSrcBounds, &bounds)) {
bounds.setEmpty();
background.reset();
}