PDF: Remove SkPDFDeviceFlattener
There are no clients. TBR=mtklein@google.com Review URL: https://codereview.chromium.org/937333002
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@ -18,8 +18,6 @@
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'<(skia_src_path)/pdf/SkPDFCatalog.h',
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'<(skia_src_path)/pdf/SkPDFDevice.cpp',
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'<(skia_src_path)/pdf/SkPDFDevice.h',
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'<(skia_src_path)/pdf/SkPDFDeviceFlattener.cpp',
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'<(skia_src_path)/pdf/SkPDFDeviceFlattener.h',
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'<(skia_src_path)/pdf/SkPDFDocument.cpp',
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'<(skia_src_path)/pdf/SkPDFDocument.h',
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'<(skia_src_path)/pdf/SkPDFFont.cpp',
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@ -1,144 +0,0 @@
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/*
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* Copyright 2013 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "SkPDFDeviceFlattener.h"
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#include "SkDraw.h"
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static SkISize SkSizeToISize(const SkSize& size) {
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return SkISize::Make(SkScalarRoundToInt(size.width()), SkScalarRoundToInt(size.height()));
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}
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SkPDFDeviceFlattener::SkPDFDeviceFlattener(const SkSize& pageSize, const SkRect* trimBox)
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: SkPDFDevice(SkSizeToISize(pageSize),
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SkSizeToISize(pageSize),
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SkMatrix::I()) {
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// TODO(edisonn): store the trimbox on emit.
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}
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SkPDFDeviceFlattener::~SkPDFDeviceFlattener() {
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}
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static void flattenPaint(const SkDraw& d, SkPaint* paint) {
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if (paint->getShader()) {
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SkAutoTUnref<SkShader> lms(SkShader::CreateLocalMatrixShader(paint->getShader(),
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*d.fMatrix));
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paint->setShader(lms);
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}
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}
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void SkPDFDeviceFlattener::drawPoints(const SkDraw& d, SkCanvas::PointMode mode,
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size_t count, const SkPoint points[],
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const SkPaint& paint) {
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if (!mustFlatten(d)) {
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INHERITED::drawPoints(d, mode, count, points, paint);
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return;
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}
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SkPaint paintFlatten(paint);
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flattenPaint(d, &paintFlatten);
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SkPoint* flattenedPoints = SkNEW_ARRAY(SkPoint, count);
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d.fMatrix->mapPoints(flattenedPoints, points, SkToS32(count));
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SkDraw draw(d);
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SkMatrix identity = SkMatrix::I();
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draw.fMatrix = &identity;
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INHERITED::drawPoints(draw, mode, count, flattenedPoints, paintFlatten);
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SkDELETE_ARRAY(flattenedPoints);
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}
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void SkPDFDeviceFlattener::drawRect(const SkDraw& d, const SkRect& r, const SkPaint& paint) {
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if (!mustFlatten(d)) {
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INHERITED::drawRect(d, r, paint);
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return;
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}
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SkPath path;
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path.addRect(r);
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path.transform(*d.fMatrix);
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SkDraw draw(d);
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SkMatrix matrix = SkMatrix::I();
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draw.fMatrix = &matrix;
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SkPaint paintFlatten(paint);
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flattenPaint(d, &paintFlatten);
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INHERITED::drawPath(draw, path, paintFlatten, NULL, true);
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}
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void SkPDFDeviceFlattener::drawPath(const SkDraw& d, const SkPath& origPath,
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const SkPaint& paint, const SkMatrix* prePathMatrix,
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bool pathIsMutable) {
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if (!mustFlatten(d) && !(prePathMatrix && prePathMatrix->hasPerspective())) {
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INHERITED::drawPath(d, origPath, paint, prePathMatrix, pathIsMutable);
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return;
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}
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SkPath* pathPtr = (SkPath*)&origPath;
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SkPath tmpPath;
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if (!pathIsMutable) {
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tmpPath = origPath;
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pathPtr = &tmpPath;
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}
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if (prePathMatrix) {
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pathPtr->transform(*prePathMatrix);
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}
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SkPaint paintFlatten(paint);
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flattenPaint(d, &paintFlatten);
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bool fill = paintFlatten.getFillPath(*pathPtr, &tmpPath);
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SkDEBUGCODE(pathPtr = (SkPath*)0x12345678); // Don't use pathPtr after this point.
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paintFlatten.setPathEffect(NULL);
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if (fill) {
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paintFlatten.setStyle(SkPaint::kFill_Style);
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} else {
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paintFlatten.setStyle(SkPaint::kStroke_Style);
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paintFlatten.setStrokeWidth(0);
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}
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tmpPath.transform(*d.fMatrix);
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SkDraw draw(d);
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SkMatrix matrix = SkMatrix::I();
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draw.fMatrix = &matrix;
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INHERITED::drawPath(draw, tmpPath, paintFlatten, NULL, true);
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}
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void SkPDFDeviceFlattener::drawText(const SkDraw& d, const void* text, size_t len,
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SkScalar x, SkScalar y, const SkPaint& paint) {
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if (mustPathText(d, paint)) {
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d.drawText_asPaths((const char*)text, len, x, y, paint);
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return;
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}
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INHERITED::drawText(d, text, len, x, y, paint);
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}
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void SkPDFDeviceFlattener::drawPosText(const SkDraw& d, const void* text, size_t len,
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const SkScalar pos[], int scalarsPerPos,
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const SkPoint& offset, const SkPaint& paint) {
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if (mustPathText(d, paint)) {
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d.drawPosText_asPaths((const char*)text, len, pos, scalarsPerPos, offset, paint);
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return;
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}
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INHERITED::drawPosText(d, text, len, pos, scalarsPerPos, offset, paint);
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}
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bool SkPDFDeviceFlattener::mustFlatten(const SkDraw& d) const {
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// TODO(edisonn): testability, add flag to force return true.
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return d.fMatrix->hasPerspective();
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}
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bool SkPDFDeviceFlattener::mustPathText(const SkDraw& d, const SkPaint&) {
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// TODO(edisonn): testability, add flag to force return true.
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// TODO(edisonn): TBD: How to flatten MaskFilter.
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return d.fMatrix->hasPerspective();
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}
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@ -1,50 +0,0 @@
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/*
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* Copyright 2013 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#ifndef SkPDFDeviceFlattener_DEFINED
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#define SkPDFDeviceFlattener_DEFINED
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#include "SkPDFDevice.h"
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/** \class SkPDFDeviceFlattener
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The PDF Device Flattener is used to flatten features without native support in PDF.
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For now, the only one implemented is Perspective.
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TODO(edisonn): Rename the class once we know all the things it will do.
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*/
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class SkPDFDeviceFlattener : public SkPDFDevice {
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private:
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typedef SkPDFDevice INHERITED;
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SK_API SkPDFDeviceFlattener(const SkSize& pageSize, const SkRect* trimBox = NULL);
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public:
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SK_API virtual ~SkPDFDeviceFlattener();
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virtual void drawPoints(const SkDraw&, SkCanvas::PointMode mode,
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size_t count, const SkPoint[],
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const SkPaint& paint) SK_OVERRIDE;
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void drawRect(const SkDraw&, const SkRect& r, const SkPaint& paint) SK_OVERRIDE;
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virtual void drawPath(const SkDraw&, const SkPath& origpath,
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const SkPaint& paint, const SkMatrix* prePathMatrix,
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bool pathIsMutable) SK_OVERRIDE;
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virtual void drawText(const SkDraw&, const void* text, size_t len,
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SkScalar x, SkScalar y, const SkPaint&) SK_OVERRIDE;
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virtual void drawPosText(const SkDraw&, const void* text, size_t len,
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const SkScalar pos[], int scalarsPerPos,
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const SkPoint& offset, const SkPaint&) SK_OVERRIDE;
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private:
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bool mustFlatten(const SkDraw& d) const;
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bool mustPathText(const SkDraw& d, const SkPaint& paint);
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friend class SkDocument_PDF;
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};
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#endif // SkPDFDeviceFlattener_DEFINED
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