c367d03fb0
Also adds a SkEncoder base class. Bug: 713862 Change-Id: Ia3f009cd9f376514f6c19396245fab3a43ae6536 Reviewed-on: https://skia-review.googlesource.com/15152 Reviewed-by: Leon Scroggins <scroggo@google.com> Commit-Queue: Matt Sarett <msarett@google.com>
87 lines
2.5 KiB
C++
87 lines
2.5 KiB
C++
/*
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* Copyright 2017 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 "Resources.h"
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#include "Test.h"
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#include "SkBitmap.h"
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#include "SkEncodedImageFormat.h"
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#include "SkJpegEncoder.h"
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#include "SkPngEncoder.h"
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#include "SkStream.h"
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static bool encode(SkEncodedImageFormat format, SkWStream* dst, const SkPixmap& src) {
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switch (format) {
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case SkEncodedImageFormat::kJPEG:
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return SkJpegEncoder::Encode(dst, src, SkJpegEncoder::Options());
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case SkEncodedImageFormat::kPNG:
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return SkPngEncoder::Encode(dst, src, SkPngEncoder::Options());
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default:
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return nullptr;
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}
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}
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static std::unique_ptr<SkEncoder> make(SkEncodedImageFormat format, SkWStream* dst,
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const SkPixmap& src) {
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switch (format) {
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case SkEncodedImageFormat::kJPEG:
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return SkJpegEncoder::Make(dst, src, SkJpegEncoder::Options());
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case SkEncodedImageFormat::kPNG:
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return SkPngEncoder::Make(dst, src, SkPngEncoder::Options());
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default:
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return nullptr;
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}
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}
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static void test_encode(skiatest::Reporter* r, SkEncodedImageFormat format) {
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SkBitmap bitmap;
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bool success = GetResourceAsBitmap("mandrill_128.png", &bitmap);
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if (!success) {
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return;
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}
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SkPixmap src;
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success = bitmap.peekPixels(&src);
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REPORTER_ASSERT(r, success);
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if (!success) {
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return;
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}
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SkDynamicMemoryWStream dst0, dst1, dst2, dst3;
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success = encode(format, &dst0, src);
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REPORTER_ASSERT(r, success);
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auto encoder1 = make(format, &dst1, src);
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for (int i = 0; i < src.height(); i++) {
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success = encoder1->encodeRows(1);
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REPORTER_ASSERT(r, success);
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}
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auto encoder2 = make(format, &dst2, src);
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for (int i = 0; i < src.height(); i+=3) {
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success = encoder2->encodeRows(3);
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REPORTER_ASSERT(r, success);
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}
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auto encoder3 = make(format, &dst3, src);
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success = encoder3->encodeRows(200);
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REPORTER_ASSERT(r, success);
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sk_sp<SkData> data0 = dst0.detachAsData();
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sk_sp<SkData> data1 = dst1.detachAsData();
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sk_sp<SkData> data2 = dst2.detachAsData();
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sk_sp<SkData> data3 = dst3.detachAsData();
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REPORTER_ASSERT(r, data0->equals(data1.get()));
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REPORTER_ASSERT(r, data0->equals(data2.get()));
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REPORTER_ASSERT(r, data0->equals(data3.get()));
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}
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DEF_TEST(Encoder, r) {
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test_encode(r, SkEncodedImageFormat::kJPEG);
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test_encode(r, SkEncodedImageFormat::kPNG);
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}
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