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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 "SkRecord.h"
#include "SkRecordOpts.h"
#include "SkRecordDraw.h"
#include "SkRecorder.h"
#include "SkRecords.h"
static const int W = 1920, H = 1080;
static void draw_pos_text_h(SkCanvas* canvas, const char* text, SkScalar y) {
const size_t len = strlen(text);
SkAutoTMalloc<SkScalar> xpos(len);
for (size_t i = 0; i < len; i++) {
xpos[i] = (SkScalar)i;
canvas->drawPosTextH(text, len, xpos, y, SkPaint());
// Rerecord into another SkRecord using full SkCanvas semantics,
// tracking clips and allowing SkRecordDraw's quickReject() calls to work.
static void record_clipped(const SkRecord& record, SkRect clip, SkRecord* clipped) {
SkRecorder recorder(clipped, W, H);
SkRecordDraw(record, &recorder);
DEF_TEST(RecordDraw_PosTextHQuickReject, r) {
SkRecord record;
SkRecorder recorder(&record, W, H);
draw_pos_text_h(&recorder, "This will draw.", 20);
draw_pos_text_h(&recorder, "This won't.", 5000);
SkRecord clipped;
record_clipped(record, SkRect::MakeLTRB(20, 20, 200, 200), &clipped);
// clipRect and the first drawPosTextH.
REPORTER_ASSERT(r, 2 == clipped.count());
DEF_TEST(RecordDraw_Culling, r) {
// Record these 7 drawing commands verbatim.
SkRecord record;
SkRecorder recorder(&record, W, H);
recorder.pushCull(SkRect::MakeWH(100, 100));
recorder.drawRect(SkRect::MakeWH(10, 10), SkPaint());
recorder.drawRect(SkRect::MakeWH(30, 30), SkPaint());
recorder.pushCull(SkRect::MakeWH(5, 5));
recorder.drawRect(SkRect::MakeWH(1, 1), SkPaint());
// Take a pass over to match up pushCulls and popCulls.
// This clip intersects the outer cull, but allows us to quick reject the inner one.
SkRecord clipped;
record_clipped(record, SkRect::MakeLTRB(20, 20, 200, 200), &clipped);
// We'll keep the clipRect call from above, and the outer two drawRects, and the push/pop pair.
// If culling weren't working, we'd see 8 commands recorded here.
REPORTER_ASSERT(r, 5 == clipped.count());
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);
// Set up an SkRecord with an initial +20, +20 translate.
SkRecord translateRecord;
SkRecorder translateCanvas(&translateRecord, W, H);
SkMatrix translate;
translate.setTranslate(20, 20);
SkRecordDraw(scaleRecord, &translateCanvas);
// 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, 1);
SkMatrix expected = scale;
REPORTER_ASSERT(r, setMatrix->matrix == expected);