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// Copyright 2016 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 "public/fpdf_edit.h"
#include "core/fpdfapi/page/cpdf_pagemodule.h"
#include "public/cpp/fpdf_scopers.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "testing/utils/file_util.h"
class PDFEditImgTest : public testing::Test {
void SetUp() override { CPDF_PageModule::Create(); }
void TearDown() override { CPDF_PageModule::Destroy(); }
};
TEST_F(PDFEditImgTest, InsertObjectWithInvalidPage) {
FPDF_DOCUMENT doc = FPDF_CreateNewDocument();
FPDF_PAGE page = FPDFPage_New(doc, 0, 100, 100);
EXPECT_EQ(0, FPDFPage_CountObjects(page));
FPDFPage_InsertObject(nullptr, nullptr);
EXPECT_EQ(0, FPDFPage_CountObjects(page));
FPDFPage_InsertObject(page, nullptr);
EXPECT_EQ(0, FPDFPage_CountObjects(page));
FPDF_PAGEOBJECT page_image = FPDFPageObj_NewImageObj(doc);
FPDFPage_InsertObject(nullptr, page_image);
EXPECT_EQ(0, FPDFPage_CountObjects(page));
FPDF_ClosePage(page);
FPDF_CloseDocument(doc);
}
TEST_F(PDFEditImgTest, NewImageObj) {
FPDF_DOCUMENT doc = FPDF_CreateNewDocument();
FPDF_PAGE page = FPDFPage_New(doc, 0, 100, 100);
EXPECT_EQ(0, FPDFPage_CountObjects(page));
FPDF_PAGEOBJECT page_image = FPDFPageObj_NewImageObj(doc);
FPDFPage_InsertObject(page, page_image);
EXPECT_EQ(1, FPDFPage_CountObjects(page));
EXPECT_TRUE(FPDFPage_GenerateContent(page));
FPDF_ClosePage(page);
FPDF_CloseDocument(doc);
}
TEST_F(PDFEditImgTest, NewImageObjGenerateContent) {
FPDF_DOCUMENT doc = FPDF_CreateNewDocument();
FPDF_PAGE page = FPDFPage_New(doc, 0, 100, 100);
EXPECT_EQ(0, FPDFPage_CountObjects(page));
constexpr int kBitmapSize = 50;
FPDF_BITMAP bitmap = FPDFBitmap_Create(kBitmapSize, kBitmapSize, 0);
FPDFBitmap_FillRect(bitmap, 0, 0, kBitmapSize, kBitmapSize, 0x00000000);
EXPECT_EQ(kBitmapSize, FPDFBitmap_GetWidth(bitmap));
EXPECT_EQ(kBitmapSize, FPDFBitmap_GetHeight(bitmap));
FPDF_PAGEOBJECT page_image = FPDFPageObj_NewImageObj(doc);
ASSERT_TRUE(FPDFImageObj_SetBitmap(&page, 0, page_image, bitmap));
ASSERT_TRUE(
FPDFImageObj_SetMatrix(page_image, kBitmapSize, 0, 0, kBitmapSize, 0, 0));
FPDFPage_InsertObject(page, page_image);
EXPECT_EQ(1, FPDFPage_CountObjects(page));
EXPECT_TRUE(FPDFPage_GenerateContent(page));
FPDFBitmap_Destroy(bitmap);
FPDF_ClosePage(page);
FPDF_CloseDocument(doc);
}
TEST_F(PDFEditImgTest, NewImageObjLoadJpeg) {
ScopedFPDFDocument doc(FPDF_CreateNewDocument());
ScopedFPDFPage page(FPDFPage_New(doc.get(), 0, 200, 200));
ASSERT_TRUE(page);
ScopedFPDFPageObject image(FPDFPageObj_NewImageObj(doc.get()));
ASSERT_TRUE(image);
FileAccessForTesting file_access("mona_lisa.jpg");
FPDF_PAGE temp_page = page.get();
EXPECT_TRUE(
FPDFImageObj_LoadJpegFile(&temp_page, 1, image.get(), &file_access));
ScopedFPDFBitmap bitmap(FPDFImageObj_GetBitmap(image.get()));
EXPECT_TRUE(bitmap);
EXPECT_EQ(120, FPDFBitmap_GetWidth(bitmap.get()));
EXPECT_EQ(120, FPDFBitmap_GetHeight(bitmap.get()));
}
TEST_F(PDFEditImgTest, NewImageObjLoadJpegInline) {
ScopedFPDFDocument doc(FPDF_CreateNewDocument());
ScopedFPDFPage page(FPDFPage_New(doc.get(), 0, 200, 200));
ASSERT_TRUE(page);
ScopedFPDFPageObject image(FPDFPageObj_NewImageObj(doc.get()));
ASSERT_TRUE(image);
FileAccessForTesting file_access("mona_lisa.jpg");
FPDF_PAGE temp_page = page.get();
EXPECT_TRUE(FPDFImageObj_LoadJpegFileInline(&temp_page, 1, image.get(),
&file_access));
ScopedFPDFBitmap bitmap(FPDFImageObj_GetBitmap(image.get()));
EXPECT_TRUE(bitmap);
EXPECT_EQ(120, FPDFBitmap_GetWidth(bitmap.get()));
EXPECT_EQ(120, FPDFBitmap_GetHeight(bitmap.get()));
}
TEST_F(PDFEditImgTest, SetBitmap) {
ScopedFPDFDocument doc(FPDF_CreateNewDocument());
ScopedFPDFPage page(FPDFPage_New(doc.get(), 0, 100, 100));
ScopedFPDFPageObject image(FPDFPageObj_NewImageObj(doc.get()));
ScopedFPDFBitmap bitmap(FPDFBitmap_Create(100, 100, 0));
FPDF_PAGE page_ptr = page.get();
FPDF_PAGE* pages = &page_ptr;
EXPECT_TRUE(FPDFImageObj_SetBitmap(nullptr, 1, image.get(), bitmap.get()));
EXPECT_TRUE(FPDFImageObj_SetBitmap(pages, 0, image.get(), bitmap.get()));
EXPECT_FALSE(FPDFImageObj_SetBitmap(pages, 1, nullptr, bitmap.get()));
EXPECT_FALSE(FPDFImageObj_SetBitmap(pages, 1, image.get(), nullptr));
}
TEST_F(PDFEditImgTest, GetSetImageMatrix) {
FPDF_DOCUMENT doc = FPDF_CreateNewDocument();
FPDF_PAGEOBJECT image = FPDFPageObj_NewImageObj(doc);
double a;
double b;
double c;
double d;
double e;
double f;
EXPECT_FALSE(FPDFImageObj_GetMatrix(nullptr, nullptr, nullptr, nullptr,
nullptr, nullptr, nullptr));
EXPECT_FALSE(FPDFImageObj_GetMatrix(nullptr, &a, nullptr, nullptr, nullptr,
nullptr, nullptr));
EXPECT_FALSE(FPDFImageObj_GetMatrix(nullptr, &a, &b, nullptr, nullptr,
nullptr, nullptr));
EXPECT_FALSE(
FPDFImageObj_GetMatrix(nullptr, &a, &b, &c, nullptr, nullptr, nullptr));
EXPECT_FALSE(
FPDFImageObj_GetMatrix(nullptr, &a, &b, &c, nullptr, nullptr, nullptr));
EXPECT_FALSE(
FPDFImageObj_GetMatrix(nullptr, &a, &b, &c, &d, nullptr, nullptr));
EXPECT_FALSE(FPDFImageObj_GetMatrix(nullptr, &a, &b, &c, &d, &e, nullptr));
EXPECT_FALSE(FPDFImageObj_GetMatrix(nullptr, &a, &b, &c, &d, &e, &f));
EXPECT_FALSE(FPDFImageObj_GetMatrix(nullptr, &a, nullptr, &c, &d, &e, &f));
EXPECT_FALSE(FPDFImageObj_GetMatrix(image, nullptr, nullptr, nullptr, nullptr,
nullptr, nullptr));
EXPECT_FALSE(FPDFImageObj_GetMatrix(image, &a, nullptr, nullptr, nullptr,
nullptr, nullptr));
EXPECT_FALSE(FPDFImageObj_GetMatrix(image, &a, &b, nullptr, nullptr, nullptr,
nullptr));
EXPECT_FALSE(
FPDFImageObj_GetMatrix(image, &a, &b, &c, nullptr, nullptr, nullptr));
EXPECT_FALSE(
FPDFImageObj_GetMatrix(image, &a, &b, &c, nullptr, nullptr, nullptr));
EXPECT_FALSE(FPDFImageObj_GetMatrix(image, &a, &b, &c, &d, nullptr, nullptr));
EXPECT_FALSE(FPDFImageObj_GetMatrix(image, &a, &b, &c, &d, &e, nullptr));
EXPECT_FALSE(FPDFImageObj_GetMatrix(image, &a, nullptr, &c, &d, &e, &f));
EXPECT_TRUE(FPDFImageObj_GetMatrix(image, &a, &b, &c, &d, &e, &f));
EXPECT_DOUBLE_EQ(1.0, a);
EXPECT_DOUBLE_EQ(0.0, b);
EXPECT_DOUBLE_EQ(0.0, c);
EXPECT_DOUBLE_EQ(1.0, d);
EXPECT_DOUBLE_EQ(0.0, e);
EXPECT_DOUBLE_EQ(0.0, f);
EXPECT_TRUE(FPDFImageObj_SetMatrix(image, 1, 2, 3, 4, 5, 6));
EXPECT_TRUE(FPDFImageObj_GetMatrix(image, &a, &b, &c, &d, &e, &f));
EXPECT_DOUBLE_EQ(1.0, a);
EXPECT_DOUBLE_EQ(2.0, b);
EXPECT_DOUBLE_EQ(3.0, c);
EXPECT_DOUBLE_EQ(4.0, d);
EXPECT_DOUBLE_EQ(5.0, e);
EXPECT_DOUBLE_EQ(6.0, f);
FPDFPageObj_Destroy(image);
FPDF_CloseDocument(doc);
}