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/*
* Copyright 2014 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "Test.h"
#include "RecordTestUtils.h"
#include "SkDebugCanvas.h"
#include "SkDrawPictureCallback.h"
#include "SkRecord.h"
#include "SkRecordOpts.h"
#include "SkRecordDraw.h"
#include "SkRecorder.h"
#include "SkRecords.h"
static const int W = 1920, H = 1080;
class JustOneDraw : public SkDrawPictureCallback {
public:
JustOneDraw() : fCalls(0) {}
virtual bool abortDrawing() SK_OVERRIDE { return fCalls++ > 0; }
private:
int fCalls;
};
DEF_TEST(RecordDraw_Abort, r) {
// Record two commands.
SkRecord record;
SkRecorder recorder(&record, W, H);
recorder.drawRect(SkRect::MakeWH(200, 300), SkPaint());
recorder.clipRect(SkRect::MakeWH(100, 200));
SkRecord rerecord;
SkRecorder canvas(&rerecord, W, H);
JustOneDraw callback;
SkRecordDraw(record, &canvas, NULL/*bbh*/, &callback);
REPORTER_ASSERT(r, 3 == rerecord.count());
assert_type<SkRecords::Save> (r, rerecord, 0);
assert_type<SkRecords::DrawRect>(r, rerecord, 1);
assert_type<SkRecords::Restore> (r, rerecord, 2);
}
DEF_TEST(RecordDraw_Unbalanced, r) {
SkRecord record;
SkRecorder recorder(&record, W, H);
recorder.save(); // We won't balance this, but SkRecordDraw will for us.
SkRecord rerecord;
SkRecorder canvas(&rerecord, W, H);
SkRecordDraw(record, &canvas, NULL/*bbh*/, NULL/*callback*/);
REPORTER_ASSERT(r, 4 == rerecord.count());
assert_type<SkRecords::Save> (r, rerecord, 0);
assert_type<SkRecords::Save> (r, rerecord, 1);
assert_type<SkRecords::Restore> (r, rerecord, 2);
assert_type<SkRecords::Restore> (r, rerecord, 3);
}
DEF_TEST(RecordDraw_SetMatrixClobber, r) {
// Set up an SkRecord that just scales by 2x,3x.
SkRecord scaleRecord;
SkRecorder scaleCanvas(&scaleRecord, W, H);
SkMatrix scale;
scale.setScale(2, 3);
scaleCanvas.setMatrix(scale);
// Set up an SkRecord with an initial +20, +20 translate.
SkRecord translateRecord;
SkRecorder translateCanvas(&translateRecord, W, H);
SkMatrix translate;
translate.setTranslate(20, 20);
translateCanvas.setMatrix(translate);
SkRecordDraw(scaleRecord, &translateCanvas, NULL/*bbh*/, NULL/*callback*/);
REPORTER_ASSERT(r, 4 == translateRecord.count());
assert_type<SkRecords::SetMatrix>(r, translateRecord, 0);
assert_type<SkRecords::Save> (r, translateRecord, 1);
assert_type<SkRecords::SetMatrix>(r, translateRecord, 2);
assert_type<SkRecords::Restore> (r, translateRecord, 3);
// When we look at translateRecord now, it should have its first +20,+20 translate,
// then a 2x,3x scale that's been concatted with that +20,+20 translate.
const SkRecords::SetMatrix* setMatrix;
setMatrix = assert_type<SkRecords::SetMatrix>(r, translateRecord, 0);
REPORTER_ASSERT(r, setMatrix->matrix == translate);
setMatrix = assert_type<SkRecords::SetMatrix>(r, translateRecord, 2);
SkMatrix expected = scale;
expected.postConcat(translate);
REPORTER_ASSERT(r, setMatrix->matrix == expected);
}
struct TestBBH : public SkBBoxHierarchy {
virtual void insert(void* data, const SkRect& bounds, bool defer) SK_OVERRIDE {
Entry e = { (uintptr_t)data, bounds };
entries.push(e);
}
virtual int getCount() const SK_OVERRIDE { return entries.count(); }
virtual void flushDeferredInserts() SK_OVERRIDE {}
virtual void search(const SkRect& query, SkTDArray<void*>* results) const SK_OVERRIDE {}
virtual void clear() SK_OVERRIDE {}
virtual void rewindInserts() SK_OVERRIDE {}
virtual int getDepth() const SK_OVERRIDE { return -1; }
struct Entry {
uintptr_t data;
SkRect bounds;
};
SkTDArray<Entry> entries;
};
// Like a==b, with a little slop recognizing that float equality can be weird.
static bool sloppy_rect_eq(SkRect a, SkRect b) {
SkRect inset(a), outset(a);
inset.inset(1, 1);
outset.outset(1, 1);
return outset.contains(b) && !inset.contains(b);
}
// This test is not meant to make total sense yet. It's testing the status quo
// of SkRecordFillBounds(), which itself doesn't make total sense yet.
DEF_TEST(RecordDraw_BBH, r) {
SkRecord record;
SkRecorder recorder(&record, W, H);
recorder.save();
recorder.clipRect(SkRect::MakeWH(400, 500));
recorder.scale(2, 2);
recorder.drawRect(SkRect::MakeWH(320, 240), SkPaint());
recorder.restore();
TestBBH bbh;
SkRecordFillBounds(record, &bbh);
REPORTER_ASSERT(r, bbh.entries.count() == 5);
for (int i = 0; i < bbh.entries.count(); i++) {
REPORTER_ASSERT(r, bbh.entries[i].data == (uintptr_t)i);
REPORTER_ASSERT(r, sloppy_rect_eq(SkRect::MakeWH(400, 480), bbh.entries[i].bounds));
}
}
// A regression test for crbug.com/409110.
DEF_TEST(RecordDraw_TextBounds, r) {
SkRecord record;
SkRecorder recorder(&record, W, H);
// Two Chinese characters in UTF-8.
const char text[] = { '\xe6', '\xbc', '\xa2', '\xe5', '\xad', '\x97' };
const size_t bytes = SK_ARRAY_COUNT(text);
const SkScalar xpos[] = { 10, 20 };
recorder.drawPosTextH(text, bytes, xpos, 30, SkPaint());
const SkPoint pos[] = { {40, 50}, {60, 70} };
recorder.drawPosText(text, bytes, pos, SkPaint());
TestBBH bbh;
SkRecordFillBounds(record, &bbh);
REPORTER_ASSERT(r, bbh.entries.count() == 2);
// We can make these next assertions confidently because SkRecordFillBounds
// builds its bounds by overestimating font metrics in a platform-independent way.
// If that changes, these tests will need to be more flexible.
REPORTER_ASSERT(r, sloppy_rect_eq(bbh.entries[0].bounds, SkRect::MakeLTRB(-86, 6, 116, 54)));
REPORTER_ASSERT(r, sloppy_rect_eq(bbh.entries[1].bounds, SkRect::MakeLTRB(-56, 26, 156, 94)));
}
// Base test to ensure start/stop range is respected
DEF_TEST(RecordDraw_PartialStartStop, r) {
static const int kWidth = 10, kHeight = 10;
SkRect r1 = { 0, 0, kWidth, kHeight };
SkRect r2 = { 0, 0, kWidth, kHeight/2 };
SkRect r3 = { 0, 0, kWidth/2, kHeight };
SkPaint p;
SkRecord record;
SkRecorder recorder(&record, kWidth, kHeight);
recorder.drawRect(r1, p);
recorder.drawRect(r2, p);
recorder.drawRect(r3, p);
SkRecord rerecord;
SkRecorder canvas(&rerecord, kWidth, kHeight);
SkRecordPartialDraw(record, &canvas, r1, 1, 2, SkMatrix::I()); // replay just drawRect of r2
REPORTER_ASSERT(r, 3 == rerecord.count());
assert_type<SkRecords::Save> (r, rerecord, 0);
assert_type<SkRecords::DrawRect> (r, rerecord, 1);
assert_type<SkRecords::Restore> (r, rerecord, 2);
const SkRecords::DrawRect* drawRect = assert_type<SkRecords::DrawRect>(r, rerecord, 1);
REPORTER_ASSERT(r, drawRect->rect == r2);
}
// Check that clears are converted to drawRects
DEF_TEST(RecordDraw_PartialClear, r) {
static const int kWidth = 10, kHeight = 10;
SkRect rect = { 0, 0, kWidth, kHeight };
SkRecord record;
SkRecorder recorder(&record, kWidth, kHeight);
recorder.clear(SK_ColorRED);
SkRecord rerecord;
SkRecorder canvas(&rerecord, kWidth, kHeight);
SkRecordPartialDraw(record, &canvas, rect, 0, 1, SkMatrix::I()); // replay just the clear
REPORTER_ASSERT(r, 3 == rerecord.count());
assert_type<SkRecords::Save> (r, rerecord, 0);
assert_type<SkRecords::DrawRect>(r, rerecord, 1);
assert_type<SkRecords::Restore> (r, rerecord, 2);
const SkRecords::DrawRect* drawRect = assert_type<SkRecords::DrawRect>(r, rerecord, 1);
REPORTER_ASSERT(r, drawRect->rect == rect);
REPORTER_ASSERT(r, drawRect->paint.getColor() == SK_ColorRED);
}
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