8dac8b18ee
BUG=skia:2378 R=fmalita@chromium.org, mtklein@google.com Author: mtklein@chromium.org Review URL: https://codereview.chromium.org/251133008 git-svn-id: http://skia.googlecode.com/svn/trunk@14455 2bbb7eff-a529-9590-31e7-b0007b416f81
76 lines
2.4 KiB
C++
76 lines
2.4 KiB
C++
/*
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* Copyright 2014 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 "Test.h"
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#include "SkDebugCanvas.h"
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#include "SkRecord.h"
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#include "SkRecordOpts.h"
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#include "SkRecordDraw.h"
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#include "SkRecorder.h"
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#include "SkRecords.h"
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static const int W = 1920, H = 1080;
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static void draw_pos_text_h(SkCanvas* canvas, const char* text, SkScalar y) {
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const size_t len = strlen(text);
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SkAutoTMalloc<SkScalar> xpos(len);
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for (size_t i = 0; i < len; i++) {
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xpos[i] = (SkScalar)i;
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}
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canvas->drawPosTextH(text, len, xpos, y, SkPaint());
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}
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// Rerecord into another SkRecord using full SkCanvas semantics,
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// tracking clips and allowing SkRecordDraw's quickReject() calls to work.
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static void record_clipped(const SkRecord& record, SkRect clip, SkRecord* clipped) {
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SkRecorder recorder(SkRecorder::kReadWrite_Mode, clipped, W, H);
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recorder.clipRect(clip);
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SkRecordDraw(record, &recorder);
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}
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DEF_TEST(RecordDraw_PosTextHQuickReject, r) {
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SkRecord record;
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SkRecorder recorder(SkRecorder::kWriteOnly_Mode, &record, W, H);
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draw_pos_text_h(&recorder, "This will draw.", 20);
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draw_pos_text_h(&recorder, "This won't.", 5000);
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SkRecordBoundDrawPosTextH(&record);
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SkRecord clipped;
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record_clipped(record, SkRect::MakeLTRB(20, 20, 200, 200), &clipped);
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// clipRect and the first drawPosTextH.
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REPORTER_ASSERT(r, 2 == clipped.count());
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}
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DEF_TEST(RecordDraw_Culling, r) {
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// Record these 7 drawing commands verbatim.
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SkRecord record;
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SkRecorder recorder(SkRecorder::kWriteOnly_Mode, &record, W, H);
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recorder.pushCull(SkRect::MakeWH(100, 100));
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recorder.drawRect(SkRect::MakeWH(10, 10), SkPaint());
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recorder.drawRect(SkRect::MakeWH(30, 30), SkPaint());
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recorder.pushCull(SkRect::MakeWH(5, 5));
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recorder.drawRect(SkRect::MakeWH(1, 1), SkPaint());
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recorder.popCull();
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recorder.popCull();
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// Take a pass over to match up pushCulls and popCulls.
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SkRecordAnnotateCullingPairs(&record);
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// This clip intersects the outer cull, but allows us to quick reject the inner one.
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SkRecord clipped;
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record_clipped(record, SkRect::MakeLTRB(20, 20, 200, 200), &clipped);
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// We'll keep the clipRect call from above, and the outer two drawRects, and the push/pop pair.
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// If culling weren't working, we'd see 8 commands recorded here.
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REPORTER_ASSERT(r, 5 == clipped.count());
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}
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