| // Copyright 2018 PDFium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "core/fxcrt/fx_system.h" |
| #include "public/fpdf_edit.h" |
| #include "testing/embedder_test.h" |
| #include "testing/embedder_test_constants.h" |
| |
| class FPDFEditPageEmbedderTest : public EmbedderTest {}; |
| |
| TEST_F(FPDFEditPageEmbedderTest, Rotation) { |
| #if defined(_SKIA_SUPPORT_) || defined(_SKIA_SUPPORT_PATHS_) |
| const char kRotatedMD5[] = "eded83f75f3d0332c584c416c571c0df"; |
| #else |
| const char kRotatedMD5[] = "d599429574ff0dcad3bc898ea8b874ca"; |
| #endif |
| |
| { |
| ASSERT_TRUE(OpenDocument("rectangles.pdf")); |
| FPDF_PAGE page = LoadPage(0); |
| ASSERT_TRUE(page); |
| |
| { |
| // Render the page as is. |
| EXPECT_EQ(0, FPDFPage_GetRotation(page)); |
| const int page_width = static_cast<int>(FPDF_GetPageWidth(page)); |
| const int page_height = static_cast<int>(FPDF_GetPageHeight(page)); |
| EXPECT_EQ(200, page_width); |
| EXPECT_EQ(300, page_height); |
| ScopedFPDFBitmap bitmap = RenderLoadedPage(page); |
| CompareBitmap(bitmap.get(), page_width, page_height, |
| pdfium::kRectanglesChecksum); |
| } |
| |
| FPDFPage_SetRotation(page, 1); |
| |
| { |
| // Render the page after rotation. |
| // Note that the change affects the rendering, as expected. |
| // It behaves just like the case below, rather than the case above. |
| EXPECT_EQ(1, FPDFPage_GetRotation(page)); |
| const int page_width = static_cast<int>(FPDF_GetPageWidth(page)); |
| const int page_height = static_cast<int>(FPDF_GetPageHeight(page)); |
| EXPECT_EQ(300, page_width); |
| EXPECT_EQ(200, page_height); |
| ScopedFPDFBitmap bitmap = RenderLoadedPage(page); |
| CompareBitmap(bitmap.get(), page_width, page_height, kRotatedMD5); |
| } |
| |
| UnloadPage(page); |
| } |
| |
| { |
| // Save a copy, open the copy, and render it. |
| // Note that it renders the rotation. |
| EXPECT_TRUE(FPDF_SaveAsCopy(document(), this, 0)); |
| ASSERT_TRUE(OpenSavedDocument()); |
| FPDF_PAGE saved_page = LoadSavedPage(0); |
| ASSERT_TRUE(saved_page); |
| |
| EXPECT_EQ(1, FPDFPage_GetRotation(saved_page)); |
| const int page_width = static_cast<int>(FPDF_GetPageWidth(saved_page)); |
| const int page_height = static_cast<int>(FPDF_GetPageHeight(saved_page)); |
| EXPECT_EQ(300, page_width); |
| EXPECT_EQ(200, page_height); |
| ScopedFPDFBitmap bitmap = RenderSavedPage(saved_page); |
| CompareBitmap(bitmap.get(), page_width, page_height, kRotatedMD5); |
| |
| CloseSavedPage(saved_page); |
| CloseSavedDocument(); |
| } |
| } |
| |
| TEST_F(FPDFEditPageEmbedderTest, HasTransparencyImage) { |
| constexpr int kExpectedObjectCount = 39; |
| ASSERT_TRUE(OpenDocument("embedded_images.pdf")); |
| FPDF_PAGE page = LoadPage(0); |
| ASSERT_TRUE(page); |
| ASSERT_EQ(kExpectedObjectCount, FPDFPage_CountObjects(page)); |
| |
| for (int i = 0; i < kExpectedObjectCount; ++i) { |
| FPDF_PAGEOBJECT obj = FPDFPage_GetObject(page, i); |
| EXPECT_FALSE(FPDFPageObj_HasTransparency(obj)); |
| |
| FPDFPageObj_SetFillColor(obj, 255, 0, 0, 127); |
| EXPECT_TRUE(FPDFPageObj_HasTransparency(obj)); |
| } |
| |
| UnloadPage(page); |
| } |
| |
| TEST_F(FPDFEditPageEmbedderTest, HasTransparencyInvalid) { |
| EXPECT_FALSE(FPDFPageObj_HasTransparency(nullptr)); |
| } |
| |
| TEST_F(FPDFEditPageEmbedderTest, HasTransparencyPath) { |
| constexpr int kExpectedObjectCount = 8; |
| ASSERT_TRUE(OpenDocument("rectangles.pdf")); |
| FPDF_PAGE page = LoadPage(0); |
| ASSERT_TRUE(page); |
| ASSERT_EQ(kExpectedObjectCount, FPDFPage_CountObjects(page)); |
| |
| for (int i = 0; i < kExpectedObjectCount; ++i) { |
| FPDF_PAGEOBJECT obj = FPDFPage_GetObject(page, i); |
| EXPECT_FALSE(FPDFPageObj_HasTransparency(obj)); |
| |
| FPDFPageObj_SetStrokeColor(obj, 63, 63, 0, 127); |
| EXPECT_TRUE(FPDFPageObj_HasTransparency(obj)); |
| } |
| |
| UnloadPage(page); |
| } |
| |
| TEST_F(FPDFEditPageEmbedderTest, HasTransparencyText) { |
| constexpr int kExpectedObjectCount = 2; |
| ASSERT_TRUE(OpenDocument("text_render_mode.pdf")); |
| FPDF_PAGE page = LoadPage(0); |
| ASSERT_TRUE(page); |
| ASSERT_EQ(kExpectedObjectCount, FPDFPage_CountObjects(page)); |
| |
| for (int i = 0; i < kExpectedObjectCount; ++i) { |
| FPDF_PAGEOBJECT obj = FPDFPage_GetObject(page, i); |
| EXPECT_FALSE(FPDFPageObj_HasTransparency(obj)); |
| |
| FPDFPageObj_SetBlendMode(obj, "Lighten"); |
| EXPECT_TRUE(FPDFPageObj_HasTransparency(obj)); |
| } |
| |
| UnloadPage(page); |
| } |
| |
| TEST_F(FPDFEditPageEmbedderTest, GetFillAndStrokeForImage) { |
| constexpr int kExpectedObjectCount = 39; |
| constexpr int kImageObjectsStartIndex = 33; |
| ASSERT_TRUE(OpenDocument("embedded_images.pdf")); |
| FPDF_PAGE page = LoadPage(0); |
| ASSERT_TRUE(page); |
| |
| ASSERT_EQ(kExpectedObjectCount, FPDFPage_CountObjects(page)); |
| |
| for (int i = kImageObjectsStartIndex; i < kExpectedObjectCount; ++i) { |
| FPDF_PAGEOBJECT image = FPDFPage_GetObject(page, i); |
| ASSERT_TRUE(image); |
| EXPECT_EQ(FPDF_PAGEOBJ_IMAGE, FPDFPageObj_GetType(image)); |
| |
| unsigned int r; |
| unsigned int g; |
| unsigned int b; |
| unsigned int a; |
| EXPECT_FALSE(FPDFPageObj_GetFillColor(image, &r, &g, &b, &a)); |
| EXPECT_FALSE(FPDFPageObj_GetStrokeColor(image, &r, &g, &b, &a)); |
| } |
| |
| UnloadPage(page); |
| } |
| |
| TEST_F(FPDFEditPageEmbedderTest, DashingArrayAndPhase) { |
| { |
| EXPECT_FALSE(FPDFPageObj_GetDashPhase(nullptr, nullptr)); |
| |
| float phase = -1123.5f; |
| EXPECT_FALSE(FPDFPageObj_GetDashPhase(nullptr, &phase)); |
| EXPECT_FLOAT_EQ(-1123.5f, phase); |
| |
| EXPECT_EQ(-1, FPDFPageObj_GetDashCount(nullptr)); |
| |
| EXPECT_FALSE(FPDFPageObj_GetDashArray(nullptr, nullptr, 3)); |
| |
| float get_array[] = {-1.0f, -1.0f, -1.0f}; |
| EXPECT_FALSE(FPDFPageObj_GetDashArray(nullptr, get_array, 3)); |
| for (int i = 0; i < 3; i++) |
| EXPECT_FLOAT_EQ(-1.0f, get_array[i]); |
| |
| EXPECT_FALSE(FPDFPageObj_SetDashPhase(nullptr, 5.0f)); |
| EXPECT_FALSE(FPDFPageObj_SetDashArray(nullptr, nullptr, 3, 5.0f)); |
| |
| float set_array[] = {1.0f, 2.0f, 3.0f}; |
| EXPECT_FALSE(FPDFPageObj_SetDashArray(nullptr, set_array, 3, 5.0f)); |
| } |
| |
| constexpr int kExpectedObjectCount = 3; |
| ASSERT_TRUE(OpenDocument("dashed_lines.pdf")); |
| FPDF_PAGE page = LoadPage(0); |
| ASSERT_TRUE(page); |
| |
| ASSERT_EQ(kExpectedObjectCount, FPDFPage_CountObjects(page)); |
| |
| { |
| FPDF_PAGEOBJECT path = FPDFPage_GetObject(page, 0); |
| ASSERT_TRUE(path); |
| EXPECT_EQ(FPDF_PAGEOBJ_PATH, FPDFPageObj_GetType(path)); |
| |
| EXPECT_FALSE(FPDFPageObj_GetDashPhase(path, nullptr)); |
| EXPECT_FALSE(FPDFPageObj_GetDashArray(path, nullptr, 3)); |
| EXPECT_FALSE(FPDFPageObj_SetDashArray(path, nullptr, 3, 5.0f)); |
| |
| float phase = -1123.5f; |
| EXPECT_TRUE(FPDFPageObj_GetDashPhase(path, &phase)); |
| EXPECT_FLOAT_EQ(0.0f, phase); |
| EXPECT_EQ(0, FPDFPageObj_GetDashCount(path)); |
| |
| float get_array[] = {-1.0f, -1.0f, -1.0f}; |
| EXPECT_TRUE(FPDFPageObj_GetDashArray(path, get_array, 3)); |
| for (int i = 0; i < 3; i++) |
| EXPECT_FLOAT_EQ(-1.0f, get_array[i]); |
| } |
| |
| { |
| FPDF_PAGEOBJECT path = FPDFPage_GetObject(page, 1); |
| ASSERT_TRUE(path); |
| EXPECT_EQ(FPDF_PAGEOBJ_PATH, FPDFPageObj_GetType(path)); |
| |
| float phase = -1123.5f; |
| EXPECT_TRUE(FPDFPageObj_GetDashPhase(path, &phase)); |
| EXPECT_LT(0.0f, phase); |
| ASSERT_EQ(6, FPDFPageObj_GetDashCount(path)); |
| |
| float dash_array[] = {-1.0f, -1.0f, -1.0f, -1.0f, -1.0f, -1.0f}; |
| ASSERT_TRUE(FPDFPageObj_GetDashArray(path, dash_array, 6)); |
| |
| for (int i = 0; i < 6; i++) |
| EXPECT_LT(0.0f, dash_array[i]); |
| |
| // the array is decreasing in value. |
| for (int i = 0; i < 5; i++) |
| EXPECT_GT(dash_array[i], dash_array[i + 1]); |
| |
| // modify phase |
| EXPECT_TRUE(FPDFPageObj_SetDashPhase(path, 1.0f)); |
| |
| phase = -1123.5f; |
| EXPECT_TRUE(FPDFPageObj_GetDashPhase(path, &phase)); |
| EXPECT_FLOAT_EQ(1.0f, phase); |
| |
| // clear array |
| EXPECT_TRUE(FPDFPageObj_SetDashArray(path, nullptr, 0, 0.0f)); |
| EXPECT_EQ(0, FPDFPageObj_GetDashCount(path)); |
| |
| phase = -1123.5f; |
| EXPECT_TRUE(FPDFPageObj_GetDashPhase(path, &phase)); |
| EXPECT_FLOAT_EQ(0.0f, phase); |
| } |
| |
| { |
| FPDF_PAGEOBJECT path = FPDFPage_GetObject(page, 2); |
| ASSERT_TRUE(path); |
| EXPECT_EQ(FPDF_PAGEOBJ_PATH, FPDFPageObj_GetType(path)); |
| |
| float phase = -1123.5f; |
| EXPECT_TRUE(FPDFPageObj_GetDashPhase(path, &phase)); |
| EXPECT_FLOAT_EQ(0.0f, phase); |
| |
| EXPECT_EQ(0, FPDFPageObj_GetDashCount(path)); |
| |
| // `get_array` should be unmodified |
| float get_array[] = {-1.0f, -1.0f, -1.0f, -1.0f}; |
| EXPECT_TRUE(FPDFPageObj_GetDashArray(path, get_array, 4)); |
| for (int i = 0; i < 4; i++) |
| EXPECT_FLOAT_EQ(-1.0f, get_array[i]); |
| |
| // modify dash_array and phase |
| const float set_array[] = {1.0f, 2.0f, 3.0f}; |
| EXPECT_TRUE(FPDFPageObj_SetDashArray(path, set_array, 3, 5.0f)); |
| |
| phase = -1123.5f; |
| EXPECT_TRUE(FPDFPageObj_GetDashPhase(path, &phase)); |
| EXPECT_FLOAT_EQ(5.0f, phase); |
| ASSERT_EQ(3, FPDFPageObj_GetDashCount(path)); |
| |
| // Pretend `get_array` has too few members. |
| EXPECT_FALSE(FPDFPageObj_GetDashArray(path, get_array, 2)); |
| for (int i = 0; i < 4; i++) |
| EXPECT_FLOAT_EQ(-1.0f, get_array[i]); |
| |
| ASSERT_TRUE(FPDFPageObj_GetDashArray(path, get_array, 4)); |
| |
| // `get_array` should be modified only up to dash_count |
| for (int i = 0; i < 3; i++) |
| EXPECT_FLOAT_EQ(static_cast<float>(i + 1), get_array[i]); |
| |
| EXPECT_FLOAT_EQ(-1.0f, get_array[3]); |
| |
| // clear array |
| EXPECT_TRUE(FPDFPageObj_SetDashArray(path, set_array, 0, 4.0f)); |
| EXPECT_EQ(0, FPDFPageObj_GetDashCount(path)); |
| |
| phase = -1123.5f; |
| EXPECT_TRUE(FPDFPageObj_GetDashPhase(path, &phase)); |
| EXPECT_FLOAT_EQ(4.0f, phase); |
| } |
| |
| UnloadPage(page); |
| } |
| |
| TEST_F(FPDFEditPageEmbedderTest, GetRotatedBoundsBadParameters) { |
| ASSERT_TRUE(OpenDocument("hello_world.pdf")); |
| FPDF_PAGE page = LoadPage(0); |
| ASSERT_TRUE(page); |
| |
| FPDF_PAGEOBJECT obj = FPDFPage_GetObject(page, 0); |
| ASSERT_EQ(FPDF_PAGEOBJ_TEXT, FPDFPageObj_GetType(obj)); |
| |
| FS_QUADPOINTSF quad; |
| ASSERT_FALSE(FPDFPageObj_GetRotatedBounds(nullptr, nullptr)); |
| ASSERT_FALSE(FPDFPageObj_GetRotatedBounds(obj, nullptr)); |
| ASSERT_FALSE(FPDFPageObj_GetRotatedBounds(nullptr, &quad)); |
| |
| UnloadPage(page); |
| } |
| |
| TEST_F(FPDFEditPageEmbedderTest, GetBoundsForNormalText) { |
| ASSERT_TRUE(OpenDocument("hello_world.pdf")); |
| FPDF_PAGE page = LoadPage(0); |
| ASSERT_TRUE(page); |
| |
| FPDF_PAGEOBJECT obj = FPDFPage_GetObject(page, 0); |
| ASSERT_EQ(FPDF_PAGEOBJ_TEXT, FPDFPageObj_GetType(obj)); |
| |
| constexpr float kExpectedLeft = 20.348f; |
| constexpr float kExpectedBottom = 48.164f; |
| constexpr float kExpectedRight = 83.36f; |
| constexpr float kExpectedTop = 58.328f; |
| |
| float left; |
| float bottom; |
| float right; |
| float top; |
| ASSERT_TRUE(FPDFPageObj_GetBounds(obj, &left, &bottom, &right, &top)); |
| EXPECT_FLOAT_EQ(kExpectedLeft, left); |
| EXPECT_FLOAT_EQ(kExpectedBottom, bottom); |
| EXPECT_FLOAT_EQ(kExpectedRight, right); |
| EXPECT_FLOAT_EQ(kExpectedTop, top); |
| |
| FS_QUADPOINTSF quad; |
| ASSERT_TRUE(FPDFPageObj_GetRotatedBounds(obj, &quad)); |
| EXPECT_FLOAT_EQ(kExpectedLeft, quad.x1); |
| EXPECT_FLOAT_EQ(kExpectedBottom, quad.y1); |
| EXPECT_FLOAT_EQ(kExpectedRight, quad.x2); |
| EXPECT_FLOAT_EQ(kExpectedBottom, quad.y2); |
| EXPECT_FLOAT_EQ(kExpectedRight, quad.x3); |
| EXPECT_FLOAT_EQ(kExpectedTop, quad.y3); |
| EXPECT_FLOAT_EQ(kExpectedLeft, quad.x4); |
| EXPECT_FLOAT_EQ(kExpectedTop, quad.y4); |
| |
| UnloadPage(page); |
| } |
| |
| TEST_F(FPDFEditPageEmbedderTest, GetBoundsForRotatedText) { |
| ASSERT_TRUE(OpenDocument("rotated_text.pdf")); |
| FPDF_PAGE page = LoadPage(0); |
| ASSERT_TRUE(page); |
| |
| FPDF_PAGEOBJECT obj = FPDFPage_GetObject(page, 0); |
| ASSERT_EQ(FPDF_PAGEOBJ_TEXT, FPDFPageObj_GetType(obj)); |
| |
| constexpr float kExpectedLeft = 98.9478f; |
| constexpr float kExpectedBottom = 78.2607f; |
| constexpr float kExpectedRight = 126.32983f; |
| constexpr float kExpectedTop = 105.64272f; |
| |
| float left; |
| float bottom; |
| float right; |
| float top; |
| ASSERT_TRUE(FPDFPageObj_GetBounds(obj, &left, &bottom, &right, &top)); |
| EXPECT_FLOAT_EQ(kExpectedLeft, left); |
| EXPECT_FLOAT_EQ(kExpectedBottom, bottom); |
| EXPECT_FLOAT_EQ(kExpectedRight, right); |
| EXPECT_FLOAT_EQ(kExpectedTop, top); |
| |
| FS_QUADPOINTSF quad; |
| ASSERT_TRUE(FPDFPageObj_GetRotatedBounds(obj, &quad)); |
| EXPECT_FLOAT_EQ(kExpectedLeft, quad.x1); |
| EXPECT_FLOAT_EQ(98.4557f, quad.y1); |
| EXPECT_FLOAT_EQ(119.14279f, quad.x2); |
| EXPECT_FLOAT_EQ(kExpectedBottom, quad.y2); |
| EXPECT_FLOAT_EQ(kExpectedRight, quad.x3); |
| EXPECT_FLOAT_EQ(85.447739f, quad.y3); |
| EXPECT_FLOAT_EQ(106.13486f, quad.x4); |
| EXPECT_FLOAT_EQ(kExpectedTop, quad.y4); |
| |
| UnloadPage(page); |
| } |
| |
| TEST_F(FPDFEditPageEmbedderTest, GetBoundsForNormalImage) { |
| ASSERT_TRUE(OpenDocument("matte.pdf")); |
| FPDF_PAGE page = LoadPage(0); |
| ASSERT_TRUE(page); |
| |
| FPDF_PAGEOBJECT obj = FPDFPage_GetObject(page, 2); |
| ASSERT_EQ(FPDF_PAGEOBJ_IMAGE, FPDFPageObj_GetType(obj)); |
| |
| constexpr float kExpectedLeft = 0.0f; |
| constexpr float kExpectedBottom = 90.0f; |
| constexpr float kExpectedRight = 40.0f; |
| constexpr float kExpectedTop = 150.0f; |
| |
| float left; |
| float bottom; |
| float right; |
| float top; |
| ASSERT_TRUE(FPDFPageObj_GetBounds(obj, &left, &bottom, &right, &top)); |
| EXPECT_FLOAT_EQ(kExpectedLeft, left); |
| EXPECT_FLOAT_EQ(kExpectedBottom, bottom); |
| EXPECT_FLOAT_EQ(kExpectedRight, right); |
| EXPECT_FLOAT_EQ(kExpectedTop, top); |
| |
| FS_QUADPOINTSF quad; |
| ASSERT_TRUE(FPDFPageObj_GetRotatedBounds(obj, &quad)); |
| EXPECT_FLOAT_EQ(kExpectedLeft, quad.x1); |
| EXPECT_FLOAT_EQ(kExpectedBottom, quad.y1); |
| EXPECT_FLOAT_EQ(kExpectedRight, quad.x2); |
| EXPECT_FLOAT_EQ(kExpectedBottom, quad.y2); |
| EXPECT_FLOAT_EQ(kExpectedRight, quad.x3); |
| EXPECT_FLOAT_EQ(kExpectedTop, quad.y3); |
| EXPECT_FLOAT_EQ(kExpectedLeft, quad.x4); |
| EXPECT_FLOAT_EQ(kExpectedTop, quad.y4); |
| |
| UnloadPage(page); |
| } |
| |
| TEST_F(FPDFEditPageEmbedderTest, GetBoundsForRotatedImage) { |
| ASSERT_TRUE(OpenDocument("rotated_image.pdf")); |
| FPDF_PAGE page = LoadPage(0); |
| ASSERT_TRUE(page); |
| |
| FPDF_PAGEOBJECT obj = FPDFPage_GetObject(page, 0); |
| ASSERT_EQ(FPDF_PAGEOBJ_IMAGE, FPDFPageObj_GetType(obj)); |
| |
| constexpr float kExpectedLeft = 100.0f; |
| constexpr float kExpectedBottom = 70.0f; |
| constexpr float kExpectedRight = 170.0f; |
| constexpr float kExpectedTop = 140.0f; |
| |
| float left; |
| float bottom; |
| float right; |
| float top; |
| ASSERT_TRUE(FPDFPageObj_GetBounds(obj, &left, &bottom, &right, &top)); |
| EXPECT_FLOAT_EQ(kExpectedLeft, left); |
| EXPECT_FLOAT_EQ(kExpectedBottom, bottom); |
| EXPECT_FLOAT_EQ(kExpectedRight, right); |
| EXPECT_FLOAT_EQ(kExpectedTop, top); |
| |
| FS_QUADPOINTSF quad; |
| ASSERT_TRUE(FPDFPageObj_GetRotatedBounds(obj, &quad)); |
| EXPECT_FLOAT_EQ(kExpectedLeft, quad.x1); |
| EXPECT_FLOAT_EQ(100.0f, quad.y1); |
| EXPECT_FLOAT_EQ(130.0f, quad.x2); |
| EXPECT_FLOAT_EQ(kExpectedBottom, quad.y2); |
| EXPECT_FLOAT_EQ(kExpectedRight, quad.x3); |
| EXPECT_FLOAT_EQ(110.0f, quad.y3); |
| EXPECT_FLOAT_EQ(140.0f, quad.x4); |
| EXPECT_FLOAT_EQ(kExpectedTop, quad.y4); |
| |
| UnloadPage(page); |
| } |