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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 "public/cpp/fpdf_scopers.h"
#include "testing/embedder_test.h"
#include "testing/utils/file_util.h"
class PDFEditImgTest : public EmbedderTest {};
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));
static constexpr FS_MATRIX kScaleBitmapMatrix{kBitmapSize, 0, 0,
kBitmapSize, 0, 0};
ASSERT_TRUE(FPDFPageObj_SetMatrix(page_image, &kScaleBitmapMatrix));
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);
FS_MATRIX matrix;
EXPECT_FALSE(FPDFPageObj_GetMatrix(nullptr, nullptr));
EXPECT_FALSE(FPDFPageObj_GetMatrix(nullptr, &matrix));
EXPECT_FALSE(FPDFPageObj_GetMatrix(image, nullptr));
EXPECT_TRUE(FPDFPageObj_GetMatrix(image, &matrix));
EXPECT_FLOAT_EQ(1.0f, matrix.a);
EXPECT_FLOAT_EQ(0.0f, matrix.b);
EXPECT_FLOAT_EQ(0.0f, matrix.c);
EXPECT_FLOAT_EQ(1.0f, matrix.d);
EXPECT_FLOAT_EQ(0.0f, matrix.e);
EXPECT_FLOAT_EQ(0.0f, matrix.f);
static constexpr FS_MATRIX kMatrix{1, 2, 3, 4, 5, 6};
EXPECT_TRUE(FPDFPageObj_SetMatrix(image, &kMatrix));
EXPECT_TRUE(FPDFPageObj_GetMatrix(image, &matrix));
EXPECT_FLOAT_EQ(1.0f, matrix.a);
EXPECT_FLOAT_EQ(2.0f, matrix.b);
EXPECT_FLOAT_EQ(3.0f, matrix.c);
EXPECT_FLOAT_EQ(4.0f, matrix.d);
EXPECT_FLOAT_EQ(5.0f, matrix.e);
EXPECT_FLOAT_EQ(6.0f, matrix.f);
FPDFPageObj_Destroy(image);
FPDF_CloseDocument(doc);
}