80747ef591
Bug: skia: Change-Id: I29ad0960156562867429542d3cfbf3d639529cab Reviewed-on: https://skia-review.googlesource.com/98802 Commit-Queue: Mike Reed <reed@google.com> Reviewed-by: Florin Malita <fmalita@chromium.org> Reviewed-by: Brian Salomon <bsalomon@google.com>
302 lines
11 KiB
C++
302 lines
11 KiB
C++
/*
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* Copyright 2016 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 "SkCanvas.h"
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#include "SkDrawable.h"
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#include "SkOnce.h"
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#include "SkPictureRecorder.h"
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#include "SkReadBuffer.h"
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#include "SkRect.h"
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#include "SkStream.h"
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#include "SkWriteBuffer.h"
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#include "Test.h"
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class IntDrawable : public SkDrawable {
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public:
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IntDrawable(uint32_t a, uint32_t b, uint32_t c, uint32_t d)
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: fA(a)
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, fB(b)
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, fC(c)
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, fD(d)
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{}
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void flatten(SkWriteBuffer& buffer) const override {
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buffer.writeUInt(fA);
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buffer.writeUInt(fB);
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buffer.writeUInt(fC);
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buffer.writeUInt(fD);
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}
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static sk_sp<SkFlattenable> CreateProc(SkReadBuffer& buffer) {
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uint32_t a = buffer.readUInt();
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uint32_t b = buffer.readUInt();
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uint32_t c = buffer.readUInt();
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uint32_t d = buffer.readUInt();
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return sk_sp<IntDrawable>(new IntDrawable(a, b, c, d));
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}
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Factory getFactory() const override { return CreateProc; }
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uint32_t a() const { return fA; }
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uint32_t b() const { return fB; }
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uint32_t c() const { return fC; }
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uint32_t d() const { return fD; }
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const char* getTypeName() const override { return "IntDrawable"; }
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protected:
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SkRect onGetBounds() override { return SkRect::MakeEmpty(); }
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void onDraw(SkCanvas*) override {}
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private:
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uint32_t fA;
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uint32_t fB;
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uint32_t fC;
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uint32_t fD;
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};
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class PaintDrawable : public SkDrawable {
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public:
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PaintDrawable(const SkPaint& paint)
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: fPaint(paint)
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{}
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void flatten(SkWriteBuffer& buffer) const override {
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buffer.writePaint(fPaint);
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}
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static sk_sp<SkFlattenable> CreateProc(SkReadBuffer& buffer) {
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SkPaint paint;
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buffer.readPaint(&paint);
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return sk_sp<PaintDrawable>(new PaintDrawable(paint));
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}
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Factory getFactory() const override { return CreateProc; }
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const SkPaint& paint() const { return fPaint; }
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const char* getTypeName() const override { return "PaintDrawable"; }
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protected:
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SkRect onGetBounds() override { return SkRect::MakeEmpty(); }
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void onDraw(SkCanvas*) override {}
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private:
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SkPaint fPaint;
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};
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class CompoundDrawable : public SkDrawable {
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public:
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CompoundDrawable(uint32_t a, uint32_t b, uint32_t c, uint32_t d, const SkPaint& paint)
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: fIntDrawable(new IntDrawable(a, b, c, d))
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, fPaintDrawable(new PaintDrawable(paint))
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{}
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CompoundDrawable(IntDrawable* intDrawable, PaintDrawable* paintDrawable)
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: fIntDrawable(SkRef(intDrawable))
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, fPaintDrawable(SkRef(paintDrawable))
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{}
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void flatten(SkWriteBuffer& buffer) const override {
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buffer.writeFlattenable(fIntDrawable.get());
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buffer.writeFlattenable(fPaintDrawable.get());
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}
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static sk_sp<SkFlattenable> CreateProc(SkReadBuffer& buffer) {
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sk_sp<SkFlattenable> intDrawable(
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buffer.readFlattenable(SkFlattenable::kSkDrawable_Type));
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SkASSERT(intDrawable);
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SkASSERT(!strcmp("IntDrawable", intDrawable->getTypeName()));
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sk_sp<SkFlattenable> paintDrawable(
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buffer.readFlattenable(SkFlattenable::kSkDrawable_Type));
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SkASSERT(paintDrawable);
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SkASSERT(!strcmp("PaintDrawable", paintDrawable->getTypeName()));
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return sk_sp<CompoundDrawable>(new CompoundDrawable((IntDrawable*) intDrawable.get(),
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(PaintDrawable*) paintDrawable.get()));
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}
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Factory getFactory() const override { return CreateProc; }
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IntDrawable* intDrawable() const { return fIntDrawable.get(); }
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PaintDrawable* paintDrawable() const { return fPaintDrawable.get(); }
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const char* getTypeName() const override { return "CompoundDrawable"; }
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protected:
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SkRect onGetBounds() override { return SkRect::MakeEmpty(); }
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void onDraw(SkCanvas*) override {}
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private:
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sk_sp<IntDrawable> fIntDrawable;
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sk_sp<PaintDrawable> fPaintDrawable;
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};
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class RootDrawable : public SkDrawable {
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public:
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RootDrawable(uint32_t a, uint32_t b, uint32_t c, uint32_t d, const SkPaint& paint,
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uint32_t e, uint32_t f, uint32_t g, uint32_t h, SkDrawable* drawable)
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: fCompoundDrawable(new CompoundDrawable(a, b, c, d, paint))
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, fIntDrawable(new IntDrawable(e, f, g, h))
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, fDrawable(SkRef(drawable))
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{}
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RootDrawable(CompoundDrawable* compoundDrawable, IntDrawable* intDrawable,
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SkDrawable* drawable)
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: fCompoundDrawable(SkRef(compoundDrawable))
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, fIntDrawable(SkRef(intDrawable))
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, fDrawable(SkRef(drawable))
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{}
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void flatten(SkWriteBuffer& buffer) const override {
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buffer.writeFlattenable(fCompoundDrawable.get());
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buffer.writeFlattenable(fIntDrawable.get());
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buffer.writeFlattenable(fDrawable.get());
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}
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static sk_sp<SkFlattenable> CreateProc(SkReadBuffer& buffer) {
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sk_sp<SkFlattenable> compoundDrawable(
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buffer.readFlattenable(SkFlattenable::kSkDrawable_Type));
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SkASSERT(compoundDrawable);
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SkASSERT(!strcmp("CompoundDrawable", compoundDrawable->getTypeName()));
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sk_sp<SkFlattenable> intDrawable(
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buffer.readFlattenable(SkFlattenable::kSkDrawable_Type));
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SkASSERT(intDrawable);
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SkASSERT(!strcmp("IntDrawable", intDrawable->getTypeName()));
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sk_sp<SkFlattenable> drawable(
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buffer.readFlattenable(SkFlattenable::kSkDrawable_Type));
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SkASSERT(drawable);
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return sk_sp<RootDrawable>(new RootDrawable((CompoundDrawable*) compoundDrawable.get(),
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(IntDrawable*) intDrawable.get(),
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(SkDrawable*) drawable.get()));
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}
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Factory getFactory() const override { return CreateProc; }
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CompoundDrawable* compoundDrawable() const { return fCompoundDrawable.get(); }
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IntDrawable* intDrawable() const { return fIntDrawable.get(); }
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SkDrawable* drawable() const { return fDrawable.get(); }
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const char* getTypeName() const override { return "RootDrawable"; }
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protected:
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SkRect onGetBounds() override { return SkRect::MakeEmpty(); }
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void onDraw(SkCanvas*) override {}
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private:
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sk_sp<CompoundDrawable> fCompoundDrawable;
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sk_sp<IntDrawable> fIntDrawable;
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sk_sp<SkDrawable> fDrawable;
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};
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static void register_test_drawables(SkReadBuffer& buffer) {
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buffer.setCustomFactory(SkString("IntDrawable"), IntDrawable::CreateProc);
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buffer.setCustomFactory(SkString("PaintDrawable"), PaintDrawable::CreateProc);
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buffer.setCustomFactory(SkString("CompoundDrawable"), CompoundDrawable::CreateProc);
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buffer.setCustomFactory(SkString("RootDrawable"), RootDrawable::CreateProc);
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}
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DEF_TEST(FlattenDrawable, r) {
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// Create and serialize the test drawable
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sk_sp<SkDrawable> drawable(new IntDrawable(1, 2, 3, 4));
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SkPaint paint;
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paint.setColor(SK_ColorBLUE);
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sk_sp<RootDrawable> root(new RootDrawable(5, 6, 7, 8, paint, 9, 10, 11, 12, drawable.get()));
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SkBinaryWriteBuffer writeBuffer;
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writeBuffer.writeFlattenable(root.get());
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// Copy the contents of the write buffer into a read buffer
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sk_sp<SkData> data = SkData::MakeUninitialized(writeBuffer.bytesWritten());
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writeBuffer.writeToMemory(data->writable_data());
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SkReadBuffer readBuffer(data->data(), data->size());
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register_test_drawables(readBuffer);
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// Deserialize and verify the drawable
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sk_sp<SkDrawable> out((SkDrawable*)readBuffer.readFlattenable(SkFlattenable::kSkDrawable_Type));
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REPORTER_ASSERT(r, out);
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REPORTER_ASSERT(r, !strcmp("RootDrawable", out->getTypeName()));
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RootDrawable* rootOut = (RootDrawable*) out.get();
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REPORTER_ASSERT(r, 5 == rootOut->compoundDrawable()->intDrawable()->a());
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REPORTER_ASSERT(r, 6 == rootOut->compoundDrawable()->intDrawable()->b());
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REPORTER_ASSERT(r, 7 == rootOut->compoundDrawable()->intDrawable()->c());
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REPORTER_ASSERT(r, 8 == rootOut->compoundDrawable()->intDrawable()->d());
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REPORTER_ASSERT(r, SK_ColorBLUE ==
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rootOut->compoundDrawable()->paintDrawable()->paint().getColor());
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REPORTER_ASSERT(r, 9 == rootOut->intDrawable()->a());
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REPORTER_ASSERT(r, 10 == rootOut->intDrawable()->b());
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REPORTER_ASSERT(r, 11 == rootOut->intDrawable()->c());
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REPORTER_ASSERT(r, 12 == rootOut->intDrawable()->d());
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// Note that we can still recognize the generic drawable as an IntDrawable
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SkDrawable* generic = rootOut->drawable();
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REPORTER_ASSERT(r, !strcmp("IntDrawable", generic->getTypeName()));
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IntDrawable* integer = (IntDrawable*) generic;
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REPORTER_ASSERT(r, 1 == integer->a());
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REPORTER_ASSERT(r, 2 == integer->b());
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REPORTER_ASSERT(r, 3 == integer->c());
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REPORTER_ASSERT(r, 4 == integer->d());
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}
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DEF_TEST(FlattenRecordedDrawable, r) {
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// Record a set of canvas draw commands
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SkPictureRecorder recorder;
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SkCanvas* canvas = recorder.beginRecording(1000.0f, 1000.0f);
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SkPaint paint;
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paint.setColor(SK_ColorGREEN);
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canvas->drawPoint(42.0f, 17.0f, paint);
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paint.setColor(SK_ColorRED);
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canvas->drawPaint(paint);
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SkPaint textPaint;
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textPaint.setColor(SK_ColorBLUE);
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canvas->drawString("TEXT", 467.0f, 100.0f, textPaint);
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// Draw some drawables as well
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sk_sp<SkDrawable> drawable(new IntDrawable(1, 2, 3, 4));
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sk_sp<RootDrawable> root(new RootDrawable(5, 6, 7, 8, paint, 9, 10, 11, 12, drawable.get()));
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canvas->drawDrawable(root.get(), 747.0f, 242.0f);
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sk_sp<PaintDrawable> paintDrawable(new PaintDrawable(paint));
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canvas->drawDrawable(paintDrawable.get(), 500.0, 500.0f);
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sk_sp<CompoundDrawable> comDrawable(new CompoundDrawable(13, 14, 15, 16, textPaint));
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canvas->drawDrawable(comDrawable.get(), 10.0f, 10.0f);
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// Serialize the recorded drawable
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sk_sp<SkDrawable> recordedDrawable = recorder.finishRecordingAsDrawable();
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SkBinaryWriteBuffer writeBuffer;
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writeBuffer.writeFlattenable(recordedDrawable.get());
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// Copy the contents of the write buffer into a read buffer
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sk_sp<SkData> data = SkData::MakeUninitialized(writeBuffer.bytesWritten());
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writeBuffer.writeToMemory(data->writable_data());
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SkReadBuffer readBuffer(data->data(), data->size());
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register_test_drawables(readBuffer);
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// Deserialize and verify the drawable
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sk_sp<SkDrawable> out((SkDrawable*)readBuffer.readFlattenable(SkFlattenable::kSkDrawable_Type));
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REPORTER_ASSERT(r, out);
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REPORTER_ASSERT(r, !strcmp("SkRecordedDrawable", out->getTypeName()));
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}
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// be sure these constructs compile, don't assert, and return null
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DEF_TEST(Flattenable_EmptyDeserialze, reporter) {
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auto data = SkData::MakeEmpty();
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#define test(name) REPORTER_ASSERT(reporter, !name::Deserialize(data->data(), data->size()))
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test(SkPathEffect);
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test(SkMaskFilter);
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test(SkShaderBase); // todo: make this just be shader!
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test(SkColorFilter);
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test(SkImageFilter);
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test(SkDrawLooper);
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#undef test
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}
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