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Unified Diff: src/effects/SkResizeImageFilter.cpp

Issue 222923005: Remove SkResizeImageFilter. (Closed) Base URL: https://skia.googlecode.com/svn/trunk
Patch Set: Created 6 years, 9 months ago
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Index: src/effects/SkResizeImageFilter.cpp
diff --git a/src/effects/SkResizeImageFilter.cpp b/src/effects/SkResizeImageFilter.cpp
deleted file mode 100644
index 7a52c223b4ed0e2fef8dc0cabe5b75dcd5d0fd23..0000000000000000000000000000000000000000
--- a/src/effects/SkResizeImageFilter.cpp
+++ /dev/null
@@ -1,113 +0,0 @@
-/*
- * Copyright 2013 The Android Open Source Project
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#include "SkResizeImageFilter.h"
-#include "SkBitmap.h"
-#include "SkCanvas.h"
-#include "SkDevice.h"
-#include "SkColorPriv.h"
-#include "SkReadBuffer.h"
-#include "SkWriteBuffer.h"
-#include "SkMatrix.h"
-#include "SkRect.h"
-
-SkResizeImageFilter::SkResizeImageFilter(SkScalar sx, SkScalar sy, SkPaint::FilterLevel filterLevel,
- SkImageFilter* input)
- : INHERITED(input),
- fSx(sx),
- fSy(sy),
- fFilterLevel(filterLevel) {
-}
-
-SkResizeImageFilter::SkResizeImageFilter(SkReadBuffer& buffer)
- : INHERITED(1, buffer) {
- fSx = buffer.readScalar();
- fSy = buffer.readScalar();
- fFilterLevel = static_cast<SkPaint::FilterLevel>(buffer.readInt());
-}
-
-void SkResizeImageFilter::flatten(SkWriteBuffer& buffer) const {
- this->INHERITED::flatten(buffer);
- buffer.writeScalar(fSx);
- buffer.writeScalar(fSy);
- buffer.writeInt(fFilterLevel);
-}
-
-SkResizeImageFilter::~SkResizeImageFilter() {
-}
-
-bool SkResizeImageFilter::onFilterImage(Proxy* proxy,
- const SkBitmap& source,
- const Context& ctx,
- SkBitmap* result,
- SkIPoint* offset) const {
- SkBitmap src = source;
- SkIPoint srcOffset = SkIPoint::Make(0, 0);
- if (getInput(0) && !getInput(0)->filterImage(proxy, source, ctx, &src, &srcOffset)) {
- return false;
- }
-
- SkRect dstRect;
- SkIRect srcBounds, dstBounds;
- src.getBounds(&srcBounds);
- srcBounds.offset(srcOffset);
- SkRect srcRect = SkRect::Make(srcBounds);
- SkMatrix matrix;
- if (!ctx.ctm().invert(&matrix)) {
- return false;
- }
- matrix.postScale(fSx, fSy);
- matrix.postConcat(ctx.ctm());
- matrix.mapRect(&dstRect, srcRect);
- dstRect.roundOut(&dstBounds);
-
- SkAutoTUnref<SkBaseDevice> device(proxy->createDevice(dstBounds.width(), dstBounds.height()));
- if (NULL == device.get()) {
- return false;
- }
-
- SkCanvas canvas(device.get());
- canvas.scale(fSx, fSy);
- SkPaint paint;
-
- paint.setXfermodeMode(SkXfermode::kSrc_Mode);
- paint.setFilterLevel(fFilterLevel);
- canvas.drawBitmap(src, 0, 0, &paint);
-
- *result = device.get()->accessBitmap(false);
- offset->fX = dstBounds.fLeft;
- offset->fY = dstBounds.fTop;
- return true;
-}
-
-void SkResizeImageFilter::computeFastBounds(const SkRect& src, SkRect* dst) const {
- SkRect bounds = src;
- if (getInput(0)) {
- getInput(0)->computeFastBounds(src, &bounds);
- }
- dst->setXYWH(bounds.x(), bounds.y(), bounds.width() * fSx, bounds.height() * fSy);
-}
-
-bool SkResizeImageFilter::onFilterBounds(const SkIRect& src, const SkMatrix& ctm,
- SkIRect* dst) const {
- SkMatrix matrix;
- if (!ctm.invert(&matrix)) {
- return false;
- }
- matrix.postScale(SkScalarInvert(fSx), SkScalarInvert(fSy));
- matrix.postConcat(ctm);
- SkRect floatBounds;
- matrix.mapRect(&floatBounds, SkRect::Make(src));
- SkIRect bounds;
- floatBounds.roundOut(&bounds);
- if (getInput(0) && !getInput(0)->filterBounds(bounds, ctm, &bounds)) {
- return false;
- }
-
- *dst = bounds;
- return true;
-}
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