blob: 84f316450a657911b80c13e0c6943b8ae85c4cbb [file] [log] [blame]
/*
* 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 "SkCanvas.h"
#include "SkDrawable.h"
#include "SkFont.h"
#include "SkPictureRecorder.h"
#include "SkReadBuffer.h"
#include "SkRect.h"
#include "SkStream.h"
#include "SkWriteBuffer.h"
#include "Test.h"
class IntDrawable : public SkDrawable {
public:
IntDrawable(uint32_t a, uint32_t b, uint32_t c, uint32_t d)
: fA(a)
, fB(b)
, fC(c)
, fD(d)
{}
void flatten(SkWriteBuffer& buffer) const override {
buffer.writeUInt(fA);
buffer.writeUInt(fB);
buffer.writeUInt(fC);
buffer.writeUInt(fD);
}
static sk_sp<SkFlattenable> CreateProc(SkReadBuffer& buffer) {
uint32_t a = buffer.readUInt();
uint32_t b = buffer.readUInt();
uint32_t c = buffer.readUInt();
uint32_t d = buffer.readUInt();
return sk_sp<IntDrawable>(new IntDrawable(a, b, c, d));
}
Factory getFactory() const override { return CreateProc; }
uint32_t a() const { return fA; }
uint32_t b() const { return fB; }
uint32_t c() const { return fC; }
uint32_t d() const { return fD; }
const char* getTypeName() const override { return "IntDrawable"; }
protected:
SkRect onGetBounds() override { return SkRect::MakeEmpty(); }
void onDraw(SkCanvas*) override {}
private:
uint32_t fA;
uint32_t fB;
uint32_t fC;
uint32_t fD;
};
class PaintDrawable : public SkDrawable {
public:
PaintDrawable(const SkPaint& paint)
: fPaint(paint)
{}
void flatten(SkWriteBuffer& buffer) const override {
buffer.writePaint(fPaint);
}
static sk_sp<SkFlattenable> CreateProc(SkReadBuffer& buffer) {
SkPaint paint;
buffer.readPaint(&paint, nullptr);
return sk_sp<PaintDrawable>(new PaintDrawable(paint));
}
Factory getFactory() const override { return CreateProc; }
const SkPaint& paint() const { return fPaint; }
const char* getTypeName() const override { return "PaintDrawable"; }
protected:
SkRect onGetBounds() override { return SkRect::MakeEmpty(); }
void onDraw(SkCanvas*) override {}
private:
SkPaint fPaint;
};
class CompoundDrawable : public SkDrawable {
public:
CompoundDrawable(uint32_t a, uint32_t b, uint32_t c, uint32_t d, const SkPaint& paint)
: fIntDrawable(new IntDrawable(a, b, c, d))
, fPaintDrawable(new PaintDrawable(paint))
{}
CompoundDrawable(IntDrawable* intDrawable, PaintDrawable* paintDrawable)
: fIntDrawable(SkRef(intDrawable))
, fPaintDrawable(SkRef(paintDrawable))
{}
void flatten(SkWriteBuffer& buffer) const override {
buffer.writeFlattenable(fIntDrawable.get());
buffer.writeFlattenable(fPaintDrawable.get());
}
static sk_sp<SkFlattenable> CreateProc(SkReadBuffer& buffer) {
sk_sp<SkFlattenable> intDrawable(
buffer.readFlattenable(SkFlattenable::kSkDrawable_Type));
SkASSERT(intDrawable);
SkASSERT(!strcmp("IntDrawable", intDrawable->getTypeName()));
sk_sp<SkFlattenable> paintDrawable(
buffer.readFlattenable(SkFlattenable::kSkDrawable_Type));
SkASSERT(paintDrawable);
SkASSERT(!strcmp("PaintDrawable", paintDrawable->getTypeName()));
return sk_sp<CompoundDrawable>(new CompoundDrawable((IntDrawable*) intDrawable.get(),
(PaintDrawable*) paintDrawable.get()));
}
Factory getFactory() const override { return CreateProc; }
IntDrawable* intDrawable() const { return fIntDrawable.get(); }
PaintDrawable* paintDrawable() const { return fPaintDrawable.get(); }
const char* getTypeName() const override { return "CompoundDrawable"; }
protected:
SkRect onGetBounds() override { return SkRect::MakeEmpty(); }
void onDraw(SkCanvas*) override {}
private:
sk_sp<IntDrawable> fIntDrawable;
sk_sp<PaintDrawable> fPaintDrawable;
};
class RootDrawable : public SkDrawable {
public:
RootDrawable(uint32_t a, uint32_t b, uint32_t c, uint32_t d, const SkPaint& paint,
uint32_t e, uint32_t f, uint32_t g, uint32_t h, SkDrawable* drawable)
: fCompoundDrawable(new CompoundDrawable(a, b, c, d, paint))
, fIntDrawable(new IntDrawable(e, f, g, h))
, fDrawable(SkRef(drawable))
{}
RootDrawable(CompoundDrawable* compoundDrawable, IntDrawable* intDrawable,
SkDrawable* drawable)
: fCompoundDrawable(SkRef(compoundDrawable))
, fIntDrawable(SkRef(intDrawable))
, fDrawable(SkRef(drawable))
{}
void flatten(SkWriteBuffer& buffer) const override {
buffer.writeFlattenable(fCompoundDrawable.get());
buffer.writeFlattenable(fIntDrawable.get());
buffer.writeFlattenable(fDrawable.get());
}
static sk_sp<SkFlattenable> CreateProc(SkReadBuffer& buffer) {
sk_sp<SkFlattenable> compoundDrawable(
buffer.readFlattenable(SkFlattenable::kSkDrawable_Type));
SkASSERT(compoundDrawable);
SkASSERT(!strcmp("CompoundDrawable", compoundDrawable->getTypeName()));
sk_sp<SkFlattenable> intDrawable(
buffer.readFlattenable(SkFlattenable::kSkDrawable_Type));
SkASSERT(intDrawable);
SkASSERT(!strcmp("IntDrawable", intDrawable->getTypeName()));
sk_sp<SkFlattenable> drawable(
buffer.readFlattenable(SkFlattenable::kSkDrawable_Type));
SkASSERT(drawable);
return sk_sp<RootDrawable>(new RootDrawable((CompoundDrawable*) compoundDrawable.get(),
(IntDrawable*) intDrawable.get(),
(SkDrawable*) drawable.get()));
}
Factory getFactory() const override { return CreateProc; }
CompoundDrawable* compoundDrawable() const { return fCompoundDrawable.get(); }
IntDrawable* intDrawable() const { return fIntDrawable.get(); }
SkDrawable* drawable() const { return fDrawable.get(); }
const char* getTypeName() const override { return "RootDrawable"; }
protected:
SkRect onGetBounds() override { return SkRect::MakeEmpty(); }
void onDraw(SkCanvas*) override {}
private:
sk_sp<CompoundDrawable> fCompoundDrawable;
sk_sp<IntDrawable> fIntDrawable;
sk_sp<SkDrawable> fDrawable;
};
// Register these drawables for deserialization some time before main().
static struct Initializer {
Initializer() {
SK_REGISTER_FLATTENABLE(IntDrawable);
SK_REGISTER_FLATTENABLE(PaintDrawable);
SK_REGISTER_FLATTENABLE(CompoundDrawable);
SK_REGISTER_FLATTENABLE(RootDrawable);
}
} initializer;
DEF_TEST(FlattenDrawable, r) {
// Create and serialize the test drawable
sk_sp<SkDrawable> drawable(new IntDrawable(1, 2, 3, 4));
SkPaint paint;
paint.setColor(SK_ColorBLUE);
sk_sp<RootDrawable> root(new RootDrawable(5, 6, 7, 8, paint, 9, 10, 11, 12, drawable.get()));
SkBinaryWriteBuffer writeBuffer;
writeBuffer.writeFlattenable(root.get());
// Copy the contents of the write buffer into a read buffer
sk_sp<SkData> data = SkData::MakeUninitialized(writeBuffer.bytesWritten());
writeBuffer.writeToMemory(data->writable_data());
SkReadBuffer readBuffer(data->data(), data->size());
// Deserialize and verify the drawable
sk_sp<SkDrawable> out((SkDrawable*)readBuffer.readFlattenable(SkFlattenable::kSkDrawable_Type));
REPORTER_ASSERT(r, out);
REPORTER_ASSERT(r, !strcmp("RootDrawable", out->getTypeName()));
RootDrawable* rootOut = (RootDrawable*) out.get();
REPORTER_ASSERT(r, 5 == rootOut->compoundDrawable()->intDrawable()->a());
REPORTER_ASSERT(r, 6 == rootOut->compoundDrawable()->intDrawable()->b());
REPORTER_ASSERT(r, 7 == rootOut->compoundDrawable()->intDrawable()->c());
REPORTER_ASSERT(r, 8 == rootOut->compoundDrawable()->intDrawable()->d());
REPORTER_ASSERT(r, SK_ColorBLUE ==
rootOut->compoundDrawable()->paintDrawable()->paint().getColor());
REPORTER_ASSERT(r, 9 == rootOut->intDrawable()->a());
REPORTER_ASSERT(r, 10 == rootOut->intDrawable()->b());
REPORTER_ASSERT(r, 11 == rootOut->intDrawable()->c());
REPORTER_ASSERT(r, 12 == rootOut->intDrawable()->d());
// Note that we can still recognize the generic drawable as an IntDrawable
SkDrawable* generic = rootOut->drawable();
REPORTER_ASSERT(r, !strcmp("IntDrawable", generic->getTypeName()));
IntDrawable* integer = (IntDrawable*) generic;
REPORTER_ASSERT(r, 1 == integer->a());
REPORTER_ASSERT(r, 2 == integer->b());
REPORTER_ASSERT(r, 3 == integer->c());
REPORTER_ASSERT(r, 4 == integer->d());
}
DEF_TEST(FlattenRecordedDrawable, r) {
// Record a set of canvas draw commands
SkPictureRecorder recorder;
SkCanvas* canvas = recorder.beginRecording(1000.0f, 1000.0f);
SkPaint paint;
paint.setColor(SK_ColorGREEN);
canvas->drawPoint(42.0f, 17.0f, paint);
paint.setColor(SK_ColorRED);
canvas->drawPaint(paint);
SkPaint textPaint;
textPaint.setColor(SK_ColorBLUE);
canvas->drawString("TEXT", 467.0f, 100.0f, SkFont(), textPaint);
// Draw some drawables as well
sk_sp<SkDrawable> drawable(new IntDrawable(1, 2, 3, 4));
sk_sp<RootDrawable> root(new RootDrawable(5, 6, 7, 8, paint, 9, 10, 11, 12, drawable.get()));
canvas->drawDrawable(root.get(), 747.0f, 242.0f);
sk_sp<PaintDrawable> paintDrawable(new PaintDrawable(paint));
canvas->drawDrawable(paintDrawable.get(), 500.0, 500.0f);
sk_sp<CompoundDrawable> comDrawable(new CompoundDrawable(13, 14, 15, 16, textPaint));
canvas->drawDrawable(comDrawable.get(), 10.0f, 10.0f);
// Serialize the recorded drawable
sk_sp<SkDrawable> recordedDrawable = recorder.finishRecordingAsDrawable();
SkBinaryWriteBuffer writeBuffer;
writeBuffer.writeFlattenable(recordedDrawable.get());
// Copy the contents of the write buffer into a read buffer
sk_sp<SkData> data = SkData::MakeUninitialized(writeBuffer.bytesWritten());
writeBuffer.writeToMemory(data->writable_data());
SkReadBuffer readBuffer(data->data(), data->size());
// Deserialize and verify the drawable
sk_sp<SkDrawable> out((SkDrawable*)readBuffer.readFlattenable(SkFlattenable::kSkDrawable_Type));
REPORTER_ASSERT(r, out);
REPORTER_ASSERT(r, !strcmp("SkRecordedDrawable", out->getTypeName()));
}
// be sure these constructs compile, don't assert, and return null
DEF_TEST(Flattenable_EmptyDeserialze, reporter) {
auto data = SkData::MakeEmpty();
#define test(name) REPORTER_ASSERT(reporter, !name::Deserialize(data->data(), data->size()))
test(SkPathEffect);
test(SkMaskFilter);
test(SkShaderBase); // todo: make this just be shader!
test(SkColorFilter);
test(SkImageFilter);
test(SkDrawLooper);
#undef test
}