| // Copyright 2019 The PDFium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include <vector> |
| |
| #include "public/fpdf_thumbnail.h" |
| #include "public/fpdfview.h" |
| #include "testing/embedder_test.h" |
| #include "testing/utils/hash.h" |
| |
| namespace { |
| |
| const char kSimpleThumbnailChecksum[] = "f6a8e8db01cccd52abb91ea433a17373"; |
| const char kThumbnailWithNoFiltersChecksum[] = |
| "b5696e586382b3373741f8a1d651cab0"; |
| |
| } // namespace |
| |
| class FPDFThumbnailEmbedderTest : public EmbedderTest {}; |
| |
| TEST_F(FPDFThumbnailEmbedderTest, GetDecodedThumbnailDataFromPageWithFilters) { |
| ASSERT_TRUE(OpenDocument("simple_thumbnail.pdf")); |
| |
| { |
| const char kHashedDecodedData[] = "7902d0be831c9024960f4ebd5d7df1f7"; |
| const unsigned long kExpectedSize = 1138u; |
| |
| FPDF_PAGE page = LoadPage(0); |
| ASSERT_TRUE(page); |
| |
| unsigned long length_bytes = |
| FPDFPage_GetDecodedThumbnailData(page, nullptr, 0); |
| ASSERT_EQ(kExpectedSize, length_bytes); |
| std::vector<uint8_t> thumb_buf(length_bytes); |
| |
| EXPECT_EQ(kExpectedSize, FPDFPage_GetDecodedThumbnailData( |
| page, thumb_buf.data(), length_bytes)); |
| EXPECT_EQ(kHashedDecodedData, GenerateMD5Base16(thumb_buf)); |
| |
| UnloadPage(page); |
| } |
| |
| { |
| const char kHashedDecodedData[] = "e81123a573378ba1ea80461d25cc41f6"; |
| const unsigned long kExpectedSize = 1110u; |
| |
| FPDF_PAGE page = LoadPage(1); |
| ASSERT_TRUE(page); |
| |
| unsigned long length_bytes = |
| FPDFPage_GetDecodedThumbnailData(page, nullptr, 0); |
| ASSERT_EQ(kExpectedSize, length_bytes); |
| std::vector<uint8_t> thumb_buf(length_bytes); |
| |
| EXPECT_EQ(kExpectedSize, FPDFPage_GetDecodedThumbnailData( |
| page, thumb_buf.data(), length_bytes)); |
| EXPECT_EQ(kHashedDecodedData, GenerateMD5Base16(thumb_buf)); |
| |
| UnloadPage(page); |
| } |
| } |
| |
| TEST_F(FPDFThumbnailEmbedderTest, |
| GetDecodedThumbnailDataFromPageWithNoFilters) { |
| ASSERT_TRUE(OpenDocument("thumbnail_with_no_filters.pdf")); |
| |
| const unsigned long kExpectedSize = 301u; |
| |
| FPDF_PAGE page = LoadPage(0); |
| ASSERT_TRUE(page); |
| |
| unsigned long length_bytes = |
| FPDFPage_GetDecodedThumbnailData(page, nullptr, 0); |
| ASSERT_EQ(kExpectedSize, length_bytes); |
| std::vector<uint8_t> thumb_buf(length_bytes); |
| |
| EXPECT_EQ(kExpectedSize, FPDFPage_GetDecodedThumbnailData( |
| page, thumb_buf.data(), length_bytes)); |
| EXPECT_EQ(kThumbnailWithNoFiltersChecksum, GenerateMD5Base16(thumb_buf)); |
| |
| UnloadPage(page); |
| } |
| |
| TEST_F(FPDFThumbnailEmbedderTest, |
| GetDecodedThumbnailDataFromPageWithNoThumbnails) { |
| ASSERT_TRUE(OpenDocument("hello_world.pdf")); |
| |
| FPDF_PAGE page = LoadPage(0); |
| ASSERT_TRUE(page); |
| |
| EXPECT_EQ(0u, FPDFPage_GetDecodedThumbnailData(page, nullptr, 0)); |
| |
| UnloadPage(page); |
| } |
| |
| TEST_F(FPDFThumbnailEmbedderTest, GetDecodedThumbnailDataFromPageNullPage) { |
| EXPECT_EQ(0u, FPDFPage_GetDecodedThumbnailData(nullptr, nullptr, 0)); |
| } |
| |
| TEST_F(FPDFThumbnailEmbedderTest, GetRawThumbnailDataFromPageWithFilters) { |
| ASSERT_TRUE(OpenDocument("simple_thumbnail.pdf")); |
| |
| { |
| const unsigned long kExpectedSize = 1851u; |
| |
| FPDF_PAGE page = LoadPage(0); |
| ASSERT_TRUE(page); |
| |
| unsigned long length_bytes = FPDFPage_GetRawThumbnailData(page, nullptr, 0); |
| ASSERT_EQ(kExpectedSize, length_bytes); |
| std::vector<uint8_t> thumb_buf(length_bytes); |
| |
| EXPECT_EQ(kExpectedSize, FPDFPage_GetRawThumbnailData( |
| page, thumb_buf.data(), length_bytes)); |
| EXPECT_EQ(kSimpleThumbnailChecksum, GenerateMD5Base16(thumb_buf)); |
| |
| UnloadPage(page); |
| } |
| |
| { |
| const char kHashedRawData[] = "c7558a461d5ecfb1d4757218b473afc0"; |
| const unsigned long kExpectedSize = 1792u; |
| |
| FPDF_PAGE page = LoadPage(1); |
| ASSERT_TRUE(page); |
| |
| unsigned long length_bytes = FPDFPage_GetRawThumbnailData(page, nullptr, 0); |
| ASSERT_EQ(kExpectedSize, length_bytes); |
| std::vector<uint8_t> thumb_buf(length_bytes); |
| |
| EXPECT_EQ(kExpectedSize, FPDFPage_GetRawThumbnailData( |
| page, thumb_buf.data(), length_bytes)); |
| EXPECT_EQ(kHashedRawData, GenerateMD5Base16(thumb_buf)); |
| |
| UnloadPage(page); |
| } |
| } |
| |
| TEST_F(FPDFThumbnailEmbedderTest, GetRawThumbnailDataFromPageWithNoFilters) { |
| ASSERT_TRUE(OpenDocument("thumbnail_with_no_filters.pdf")); |
| |
| const unsigned long kExpectedSize = 301u; |
| |
| FPDF_PAGE page = LoadPage(0); |
| ASSERT_TRUE(page); |
| |
| unsigned long length_bytes = FPDFPage_GetRawThumbnailData(page, nullptr, 0); |
| ASSERT_EQ(kExpectedSize, length_bytes); |
| std::vector<uint8_t> thumb_buf(length_bytes); |
| |
| EXPECT_EQ(kExpectedSize, |
| FPDFPage_GetRawThumbnailData(page, thumb_buf.data(), length_bytes)); |
| EXPECT_EQ(kThumbnailWithNoFiltersChecksum, GenerateMD5Base16(thumb_buf)); |
| |
| UnloadPage(page); |
| } |
| |
| TEST_F(FPDFThumbnailEmbedderTest, GetRawThumbnailDataFromPageWithNoThumbnails) { |
| ASSERT_TRUE(OpenDocument("hello_world.pdf")); |
| |
| FPDF_PAGE page = LoadPage(0); |
| ASSERT_TRUE(page); |
| |
| EXPECT_EQ(0u, FPDFPage_GetRawThumbnailData(page, nullptr, 0)); |
| |
| UnloadPage(page); |
| } |
| |
| TEST_F(FPDFThumbnailEmbedderTest, GetRawThumbnailDataFromPageNullPage) { |
| EXPECT_EQ(0u, FPDFPage_GetRawThumbnailData(nullptr, nullptr, 0)); |
| } |
| |
| TEST_F(FPDFThumbnailEmbedderTest, GetThumbnailAsBitmapFromPage) { |
| ASSERT_TRUE(OpenDocument("simple_thumbnail.pdf")); |
| |
| { |
| FPDF_PAGE page = LoadPage(0); |
| ASSERT_TRUE(page); |
| |
| ScopedFPDFBitmap thumb_bitmap(FPDFPage_GetThumbnailAsBitmap(page)); |
| |
| EXPECT_EQ(50, FPDFBitmap_GetWidth(thumb_bitmap.get())); |
| EXPECT_EQ(50, FPDFBitmap_GetHeight(thumb_bitmap.get())); |
| EXPECT_EQ(FPDFBitmap_BGR, FPDFBitmap_GetFormat(thumb_bitmap.get())); |
| CompareBitmap(thumb_bitmap.get(), 50, 50, |
| "52b75451e396f55e95d1cb68e6018226"); |
| |
| UnloadPage(page); |
| } |
| |
| { |
| FPDF_PAGE page = LoadPage(1); |
| ASSERT_TRUE(page); |
| |
| ScopedFPDFBitmap thumb_bitmap(FPDFPage_GetThumbnailAsBitmap(page)); |
| |
| EXPECT_EQ(50, FPDFBitmap_GetWidth(thumb_bitmap.get())); |
| EXPECT_EQ(50, FPDFBitmap_GetHeight(thumb_bitmap.get())); |
| EXPECT_EQ(FPDFBitmap_BGR, FPDFBitmap_GetFormat(thumb_bitmap.get())); |
| CompareBitmap(thumb_bitmap.get(), 50, 50, |
| "1f448be08c6e6043ccd0bad8ecc2a351"); |
| |
| UnloadPage(page); |
| } |
| } |
| |
| TEST_F(FPDFThumbnailEmbedderTest, |
| GetThumbnailAsBitmapFromPageWithoutThumbnail) { |
| ASSERT_TRUE(OpenDocument("hello_world.pdf")); |
| |
| FPDF_PAGE page = LoadPage(0); |
| ASSERT_TRUE(page); |
| |
| ScopedFPDFBitmap thumb_bitmap(FPDFPage_GetThumbnailAsBitmap(page)); |
| ASSERT_EQ(nullptr, thumb_bitmap.get()); |
| |
| UnloadPage(page); |
| } |
| |
| TEST_F(FPDFThumbnailEmbedderTest, |
| GetThumbnailAsBitmapFromThumbnailWithEmptyStream) { |
| ASSERT_TRUE(OpenDocument("thumbnail_with_empty_stream.pdf")); |
| |
| FPDF_PAGE page = LoadPage(0); |
| ASSERT_TRUE(page); |
| |
| ScopedFPDFBitmap thumb_bitmap(FPDFPage_GetThumbnailAsBitmap(page)); |
| ASSERT_EQ(nullptr, thumb_bitmap.get()); |
| |
| UnloadPage(page); |
| } |
| |
| TEST_F(FPDFThumbnailEmbedderTest, |
| GetThumbnailAsBitmapFromThumbnailWithNoFilters) { |
| ASSERT_TRUE(OpenDocument("thumbnail_with_no_filters.pdf")); |
| |
| FPDF_PAGE page = LoadPage(0); |
| ASSERT_TRUE(page); |
| |
| ScopedFPDFBitmap thumb_bitmap(FPDFPage_GetThumbnailAsBitmap(page)); |
| |
| EXPECT_EQ(10, FPDFBitmap_GetWidth(thumb_bitmap.get())); |
| EXPECT_EQ(10, FPDFBitmap_GetHeight(thumb_bitmap.get())); |
| EXPECT_EQ(FPDFBitmap_BGR, FPDFBitmap_GetFormat(thumb_bitmap.get())); |
| CompareBitmap(thumb_bitmap.get(), 10, 10, "fe02583f9e6d094042a942ff686e9936"); |
| |
| UnloadPage(page); |
| } |
| |
| TEST_F(FPDFThumbnailEmbedderTest, GetThumbnailDoesNotAlterPage) { |
| ASSERT_TRUE(OpenDocument("simple_thumbnail.pdf")); |
| |
| const unsigned long kExpectedRawSize = 1851u; |
| |
| FPDF_PAGE page = LoadPage(0); |
| ASSERT_TRUE(page); |
| |
| // Get the raw data |
| unsigned long raw_size = FPDFPage_GetRawThumbnailData(page, nullptr, 0); |
| ASSERT_EQ(kExpectedRawSize, raw_size); |
| std::vector<uint8_t> raw_thumb_buf(raw_size); |
| |
| EXPECT_EQ(kExpectedRawSize, |
| FPDFPage_GetRawThumbnailData(page, raw_thumb_buf.data(), raw_size)); |
| EXPECT_EQ(kSimpleThumbnailChecksum, GenerateMD5Base16(raw_thumb_buf)); |
| |
| // Get the thumbnail |
| ScopedFPDFBitmap thumb_bitmap(FPDFPage_GetThumbnailAsBitmap(page)); |
| |
| EXPECT_EQ(50, FPDFBitmap_GetWidth(thumb_bitmap.get())); |
| EXPECT_EQ(50, FPDFBitmap_GetHeight(thumb_bitmap.get())); |
| EXPECT_EQ(FPDFBitmap_BGR, FPDFBitmap_GetFormat(thumb_bitmap.get())); |
| CompareBitmap(thumb_bitmap.get(), 50, 50, "52b75451e396f55e95d1cb68e6018226"); |
| |
| // Get the raw data again |
| unsigned long new_raw_size = FPDFPage_GetRawThumbnailData(page, nullptr, 0); |
| ASSERT_EQ(kExpectedRawSize, new_raw_size); |
| std::vector<uint8_t> new_raw_thumb_buf(new_raw_size); |
| |
| EXPECT_EQ(kExpectedRawSize, |
| FPDFPage_GetRawThumbnailData(page, new_raw_thumb_buf.data(), |
| new_raw_size)); |
| EXPECT_EQ(kSimpleThumbnailChecksum, GenerateMD5Base16(new_raw_thumb_buf)); |
| |
| UnloadPage(page); |
| } |
| |
| TEST_F(FPDFThumbnailEmbedderTest, GetThumbnailAsBitmapFromPageNullPage) { |
| EXPECT_FALSE(FPDFPage_GetThumbnailAsBitmap(nullptr)); |
| } |