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-rw-r--r--image/test/gtest/TestDownscalingFilter.cpp231
1 files changed, 0 insertions, 231 deletions
diff --git a/image/test/gtest/TestDownscalingFilter.cpp b/image/test/gtest/TestDownscalingFilter.cpp
deleted file mode 100644
index d7aa0ead2..000000000
--- a/image/test/gtest/TestDownscalingFilter.cpp
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@@ -1,231 +0,0 @@
-/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/* vim: set ts=8 sts=2 et sw=2 tw=80: */
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#include "gtest/gtest.h"
-
-#include "mozilla/gfx/2D.h"
-#include "Common.h"
-#include "Decoder.h"
-#include "DecoderFactory.h"
-#include "SourceBuffer.h"
-#include "SurfaceFilters.h"
-#include "SurfacePipe.h"
-
-using namespace mozilla;
-using namespace mozilla::gfx;
-using namespace mozilla::image;
-
-template <typename Func> void
-WithDownscalingFilter(const IntSize& aInputSize,
- const IntSize& aOutputSize,
- Func aFunc)
-{
- RefPtr<Decoder> decoder = CreateTrivialDecoder();
- ASSERT_TRUE(decoder != nullptr);
-
- WithFilterPipeline(decoder, Forward<Func>(aFunc),
- DownscalingConfig { aInputSize,
- SurfaceFormat::B8G8R8A8 },
- SurfaceConfig { decoder, aOutputSize,
- SurfaceFormat::B8G8R8A8, false });
-}
-
-void
-AssertConfiguringDownscalingFilterFails(const IntSize& aInputSize,
- const IntSize& aOutputSize)
-{
- RefPtr<Decoder> decoder = CreateTrivialDecoder();
- ASSERT_TRUE(decoder != nullptr);
-
- AssertConfiguringPipelineFails(decoder,
- DownscalingConfig { aInputSize,
- SurfaceFormat::B8G8R8A8 },
- SurfaceConfig { decoder, aOutputSize,
- SurfaceFormat::B8G8R8A8, false });
-}
-
-TEST(ImageDownscalingFilter, WritePixels100_100to99_99)
-{
- WithDownscalingFilter(IntSize(100, 100), IntSize(99, 99),
- [](Decoder* aDecoder, SurfaceFilter* aFilter) {
- CheckWritePixels(aDecoder, aFilter,
- /* aOutputRect = */ Some(IntRect(0, 0, 99, 99)));
- });
-}
-
-TEST(ImageDownscalingFilter, WritePixels100_100to33_33)
-{
- WithDownscalingFilter(IntSize(100, 100), IntSize(33, 33),
- [](Decoder* aDecoder, SurfaceFilter* aFilter) {
- CheckWritePixels(aDecoder, aFilter,
- /* aOutputRect = */ Some(IntRect(0, 0, 33, 33)));
- });
-}
-
-TEST(ImageDownscalingFilter, WritePixels100_100to1_1)
-{
- WithDownscalingFilter(IntSize(100, 100), IntSize(1, 1),
- [](Decoder* aDecoder, SurfaceFilter* aFilter) {
- CheckWritePixels(aDecoder, aFilter,
- /* aOutputRect = */ Some(IntRect(0, 0, 1, 1)));
- });
-}
-
-TEST(ImageDownscalingFilter, WritePixels100_100to33_99)
-{
- WithDownscalingFilter(IntSize(100, 100), IntSize(33, 99),
- [](Decoder* aDecoder, SurfaceFilter* aFilter) {
- CheckWritePixels(aDecoder, aFilter,
- /* aOutputRect = */ Some(IntRect(0, 0, 33, 99)));
- });
-}
-
-TEST(ImageDownscalingFilter, WritePixels100_100to99_33)
-{
- WithDownscalingFilter(IntSize(100, 100), IntSize(99, 33),
- [](Decoder* aDecoder, SurfaceFilter* aFilter) {
- CheckWritePixels(aDecoder, aFilter,
- /* aOutputRect = */ Some(IntRect(0, 0, 99, 33)));
- });
-}
-
-TEST(ImageDownscalingFilter, WritePixels100_100to99_1)
-{
- WithDownscalingFilter(IntSize(100, 100), IntSize(99, 1),
- [](Decoder* aDecoder, SurfaceFilter* aFilter) {
- CheckWritePixels(aDecoder, aFilter,
- /* aOutputRect = */ Some(IntRect(0, 0, 99, 1)));
- });
-}
-
-TEST(ImageDownscalingFilter, WritePixels100_100to1_99)
-{
- WithDownscalingFilter(IntSize(100, 100), IntSize(1, 99),
- [](Decoder* aDecoder, SurfaceFilter* aFilter) {
- CheckWritePixels(aDecoder, aFilter,
- /* aOutputRect = */ Some(IntRect(0, 0, 1, 99)));
- });
-}
-
-TEST(ImageDownscalingFilter, DownscalingFailsFor100_100to101_101)
-{
- // Upscaling is disallowed.
- AssertConfiguringDownscalingFilterFails(IntSize(100, 100), IntSize(101, 101));
-}
-
-TEST(ImageDownscalingFilter, DownscalingFailsFor100_100to100_100)
-{
- // "Scaling" to the same size is disallowed.
- AssertConfiguringDownscalingFilterFails(IntSize(100, 100), IntSize(100, 100));
-}
-
-TEST(ImageDownscalingFilter, DownscalingFailsFor0_0toMinus1_Minus1)
-{
- // A 0x0 input size is disallowed.
- AssertConfiguringDownscalingFilterFails(IntSize(0, 0), IntSize(-1, -1));
-}
-
-TEST(ImageDownscalingFilter, DownscalingFailsForMinus1_Minus1toMinus2_Minus2)
-{
- // A negative input size is disallowed.
- AssertConfiguringDownscalingFilterFails(IntSize(-1, -1), IntSize(-2, -2));
-}
-
-TEST(ImageDownscalingFilter, DownscalingFailsFor100_100to0_0)
-{
- // A 0x0 output size is disallowed.
- AssertConfiguringDownscalingFilterFails(IntSize(100, 100), IntSize(0, 0));
-}
-
-TEST(ImageDownscalingFilter, DownscalingFailsFor100_100toMinus1_Minus1)
-{
- // A negative output size is disallowed.
- AssertConfiguringDownscalingFilterFails(IntSize(100, 100), IntSize(-1, -1));
-}
-
-TEST(ImageDownscalingFilter, WritePixelsOutput100_100to20_20)
-{
- WithDownscalingFilter(IntSize(100, 100), IntSize(20, 20),
- [](Decoder* aDecoder, SurfaceFilter* aFilter) {
- // Fill the image. It consists of 25 lines of green, followed by 25 lines of
- // red, followed by 25 lines of green, followed by 25 more lines of red.
- uint32_t count = 0;
- auto result = aFilter->WritePixels<uint32_t>([&]() -> NextPixel<uint32_t> {
- uint32_t color = (count <= 25 * 100) || (count > 50 * 100 && count <= 75 * 100)
- ? BGRAColor::Green().AsPixel()
- : BGRAColor::Red().AsPixel();
- ++count;
- return AsVariant(color);
- });
- EXPECT_EQ(WriteState::FINISHED, result);
- EXPECT_EQ(100u * 100u, count);
-
- AssertCorrectPipelineFinalState(aFilter,
- IntRect(0, 0, 100, 100),
- IntRect(0, 0, 20, 20));
-
- // Check that the generated image is correct. Note that we skip rows near
- // the transitions between colors, since the downscaler does not produce a
- // sharp boundary at these points. Even some of the rows we test need a
- // small amount of fuzz; this is just the nature of Lanczos downscaling.
- RawAccessFrameRef currentFrame = aDecoder->GetCurrentFrameRef();
- RefPtr<SourceSurface> surface = currentFrame->GetSourceSurface();
- EXPECT_TRUE(RowsAreSolidColor(surface, 0, 4, BGRAColor::Green(), /* aFuzz = */ 2));
- EXPECT_TRUE(RowsAreSolidColor(surface, 6, 3, BGRAColor::Red(), /* aFuzz = */ 3));
- EXPECT_TRUE(RowsAreSolidColor(surface, 11, 3, BGRAColor::Green(), /* aFuzz = */ 3));
- EXPECT_TRUE(RowsAreSolidColor(surface, 16, 4, BGRAColor::Red(), /* aFuzz = */ 3));
- });
-}
-
-TEST(ImageDownscalingFilter, WritePixelsOutput100_100to10_20)
-{
- WithDownscalingFilter(IntSize(100, 100), IntSize(10, 20),
- [](Decoder* aDecoder, SurfaceFilter* aFilter) {
- // Fill the image. It consists of 25 lines of green, followed by 25 lines of
- // red, followed by 25 lines of green, followed by 25 more lines of red.
- uint32_t count = 0;
- auto result = aFilter->WritePixels<uint32_t>([&]() -> NextPixel<uint32_t> {
- uint32_t color = (count <= 25 * 100) || (count > 50 * 100 && count <= 75 * 100)
- ? BGRAColor::Green().AsPixel()
- : BGRAColor::Red().AsPixel();
- ++count;
- return AsVariant(color);
- });
- EXPECT_EQ(WriteState::FINISHED, result);
- EXPECT_EQ(100u * 100u, count);
-
- AssertCorrectPipelineFinalState(aFilter,
- IntRect(0, 0, 100, 100),
- IntRect(0, 0, 10, 20));
-
- // Check that the generated image is correct. Note that we skip rows near
- // the transitions between colors, since the downscaler does not produce a
- // sharp boundary at these points. Even some of the rows we test need a
- // small amount of fuzz; this is just the nature of Lanczos downscaling.
- RawAccessFrameRef currentFrame = aDecoder->GetCurrentFrameRef();
- RefPtr<SourceSurface> surface = currentFrame->GetSourceSurface();
- EXPECT_TRUE(RowsAreSolidColor(surface, 0, 4, BGRAColor::Green(), /* aFuzz = */ 2));
- EXPECT_TRUE(RowsAreSolidColor(surface, 6, 3, BGRAColor::Red(), /* aFuzz = */ 3));
- EXPECT_TRUE(RowsAreSolidColor(surface, 11, 3, BGRAColor::Green(), /* aFuzz = */ 3));
- EXPECT_TRUE(RowsAreSolidColor(surface, 16, 4, BGRAColor::Red(), /* aFuzz = */ 3));
- });
-}
-
-TEST(ImageDownscalingFilter, ConfiguringPalettedDownscaleFails)
-{
- RefPtr<Decoder> decoder = CreateTrivialDecoder();
- ASSERT_TRUE(decoder != nullptr);
-
- // DownscalingFilter does not support paletted images, so configuration should
- // fail.
- AssertConfiguringPipelineFails(decoder,
- DownscalingConfig { IntSize(100, 100),
- SurfaceFormat::B8G8R8A8 },
- PalettedSurfaceConfig { decoder, IntSize(20, 20),
- IntRect(0, 0, 20, 20),
- SurfaceFormat::B8G8R8A8, 8,
- false });
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-27 12:24:53 +0000