blob: 6650b403dac95628973f74ed3ad5c13c1d5a26c1 [file] [log] [blame] [edit]
// 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"
class FPDFEditPageEmbedderTest : public EmbedderTest {};
// TODO(crbug.com/pdfium/11): Fix this test and enable.
#if defined(_SKIA_SUPPORT_) || defined(_SKIA_SUPPORT_PATHS_)
#define MAYBE_Rotation DISABLED_Rotation
#else
#define MAYBE_Rotation Rotation
#endif
TEST_F(FPDFEditPageEmbedderTest, MAYBE_Rotation) {
const char kOriginalMD5[] = "0a90de37f52127619c3dfb642b5fa2fe";
const char kRotatedMD5[] = "d599429574ff0dcad3bc898ea8b874ca";
{
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, kOriginalMD5);
}
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;
EXPECT_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;
EXPECT_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);
}