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/*
* Copyright 2016 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "SkNinePatchIter.h"
#include "SkPDFCanvas.h"
#include "SkPDFDevice.h"
SkPDFCanvas::SkPDFCanvas(const sk_sp<SkPDFDevice>& dev)
: SkCanvas(dev.get()) {}
SkPDFCanvas::~SkPDFCanvas() {}
/*
* PDF's impl sometimes wants to access the raster clip as a SkRegion. To keep this valid,
* we intercept all clip calls to ensure that the clip stays BW (i.e. never antialiased), since
* an antialiased clip won't build a SkRegion (it builds SkAAClip).
*/
void SkPDFCanvas::onClipRect(const SkRect& rect, SkRegion::Op op, ClipEdgeStyle edgeStyle) {
this->INHERITED::onClipRect(rect, op, kHard_ClipEdgeStyle);
}
void SkPDFCanvas::onClipRRect(const SkRRect& rrect, SkRegion::Op op, ClipEdgeStyle edgeStyle) {
this->INHERITED::onClipRRect(rrect, op, kHard_ClipEdgeStyle);
}
void SkPDFCanvas::onClipPath(const SkPath& path, SkRegion::Op op, ClipEdgeStyle edgeStyle) {
this->INHERITED::onClipPath(path, op, kHard_ClipEdgeStyle);
}
void SkPDFCanvas::onDrawBitmapNine(const SkBitmap& bitmap,
const SkIRect& center,
const SkRect& dst,
const SkPaint* paint) {
SkNinePatchIter iter(bitmap.width(), bitmap.height(), center, dst);
SkRect srcR, dstR;
while (iter.next(&srcR, &dstR)) {
this->drawBitmapRect(bitmap, srcR, dstR, paint);
}
}
void SkPDFCanvas::onDrawImageNine(const SkImage* image,
const SkIRect& center,
const SkRect& dst,
const SkPaint* paint) {
SkNinePatchIter iter(image->width(), image->height(), center, dst);
SkRect srcR, dstR;
while (iter.next(&srcR, &dstR)) {
this->drawImageRect(image, srcR, dstR, paint);
}
}
void SkPDFCanvas::onDrawImageRect(const SkImage* image,
const SkRect* srcPtr,
const SkRect& dst,
const SkPaint* paint,
SkCanvas::SrcRectConstraint constraint) {
SkRect bounds = SkRect::Make(image->bounds());
SkRect src = srcPtr ? *srcPtr : bounds;
SkAutoCanvasRestore autoCanvasRestore(this, true);
if (src != bounds) {
this->clipRect(dst);
}
this->concat(SkMatrix::MakeRectToRect(src, dst,
SkMatrix::kFill_ScaleToFit));
this->drawImage(image, 0, 0, paint);
}
void SkPDFCanvas::onDrawBitmapRect(const SkBitmap& bitmap,
const SkRect* srcPtr,
const SkRect& dst,
const SkPaint* paint,
SkCanvas::SrcRectConstraint constraint) {
SkRect bounds = SkRect::Make(bitmap.bounds());
SkRect src = srcPtr ? *srcPtr : bounds;
SkAutoCanvasRestore autoCanvasRestore(this, true);
if (src != bounds) {
this->clipRect(dst);
}
this->concat(SkMatrix::MakeRectToRect(src, dst,
SkMatrix::kFill_ScaleToFit));
this->drawBitmap(bitmap, 0, 0, paint);
}
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