// Copyright 2016 PDFium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include <memory>
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#include <string>
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#include <utility>
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#include <vector>
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#include "core/fpdfapi/font/cpdf_font.h"
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#include "core/fpdfapi/page/cpdf_page.h"
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#include "core/fpdfapi/parser/cpdf_array.h"
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#include "core/fpdfapi/parser/cpdf_dictionary.h"
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#include "core/fpdfapi/parser/cpdf_number.h"
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#include "core/fpdfapi/parser/cpdf_stream.h"
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#include "core/fxcrt/fx_system.h"
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#include "fpdfsdk/fsdk_define.h"
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#include "public/cpp/fpdf_deleters.h"
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#include "public/fpdf_annot.h"
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#include "public/fpdf_edit.h"
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#include "public/fpdfview.h"
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#include "testing/embedder_test.h"
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#include "testing/gmock/include/gmock/gmock-matchers.h"
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#include "testing/gtest/include/gtest/gtest.h"
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#include "testing/test_support.h"
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class FPDFEditEmbeddertest : public EmbedderTest {
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protected:
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FPDF_DOCUMENT CreateNewDocument() {
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document_ = FPDF_CreateNewDocument();
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cpdf_doc_ = CPDFDocumentFromFPDFDocument(document_);
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return document_;
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}
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void CheckFontDescriptor(CPDF_Dictionary* font_dict,
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int font_type,
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bool bold,
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bool italic,
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uint32_t size,
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const uint8_t* data) {
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CPDF_Dictionary* font_desc = font_dict->GetDictFor("FontDescriptor");
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ASSERT_TRUE(font_desc);
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EXPECT_EQ("FontDescriptor", font_desc->GetStringFor("Type"));
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EXPECT_EQ(font_dict->GetStringFor("BaseFont"),
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font_desc->GetStringFor("FontName"));
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// Check that the font descriptor has the required keys according to spec
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// 1.7 Table 5.19
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ASSERT_TRUE(font_desc->KeyExist("Flags"));
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int font_flags = font_desc->GetIntegerFor("Flags");
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EXPECT_EQ(bold, FontStyleIsBold(font_flags));
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EXPECT_EQ(italic, FontStyleIsItalic(font_flags));
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EXPECT_TRUE(FontStyleIsNonSymbolic(font_flags));
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ASSERT_TRUE(font_desc->KeyExist("FontBBox"));
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CPDF_Array* fontBBox = font_desc->GetArrayFor("FontBBox");
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ASSERT_TRUE(fontBBox);
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EXPECT_EQ(4U, fontBBox->GetCount());
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// Check that the coordinates are in the preferred order according to spec
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// 1.7 Section 3.8.4
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EXPECT_TRUE(fontBBox->GetIntegerAt(0) < fontBBox->GetIntegerAt(2));
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EXPECT_TRUE(fontBBox->GetIntegerAt(1) < fontBBox->GetIntegerAt(3));
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EXPECT_TRUE(font_desc->KeyExist("ItalicAngle"));
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EXPECT_TRUE(font_desc->KeyExist("Ascent"));
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EXPECT_TRUE(font_desc->KeyExist("Descent"));
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EXPECT_TRUE(font_desc->KeyExist("CapHeight"));
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EXPECT_TRUE(font_desc->KeyExist("StemV"));
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ByteString present("FontFile");
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ByteString absent("FontFile2");
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if (font_type == FPDF_FONT_TRUETYPE)
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std::swap(present, absent);
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EXPECT_TRUE(font_desc->KeyExist(present));
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EXPECT_FALSE(font_desc->KeyExist(absent));
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// Check that the font stream is the one that was provided
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CPDF_Stream* font_stream = font_desc->GetStreamFor(present);
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ASSERT_EQ(size, font_stream->GetRawSize());
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if (font_type == FPDF_FONT_TRUETYPE) {
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ASSERT_EQ(static_cast<int>(size),
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font_stream->GetDict()->GetIntegerFor("Length1"));
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}
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uint8_t* stream_data = font_stream->GetRawData();
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for (size_t j = 0; j < size; j++)
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EXPECT_EQ(data[j], stream_data[j]) << " at byte " << j;
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}
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void CheckCompositeFontWidths(CPDF_Array* widths_array,
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CPDF_Font* typed_font) {
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// Check that W array is in a format that conforms to PDF spec 1.7 section
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// "Glyph Metrics in CIDFonts" (these checks are not
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// implementation-specific).
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EXPECT_GT(widths_array->GetCount(), 1U);
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int num_cids_checked = 0;
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int cur_cid = 0;
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for (size_t idx = 0; idx < widths_array->GetCount(); idx++) {
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int cid = widths_array->GetNumberAt(idx);
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EXPECT_GE(cid, cur_cid);
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ASSERT_FALSE(++idx == widths_array->GetCount());
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CPDF_Object* next = widths_array->GetObjectAt(idx);
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if (next->IsArray()) {
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// We are in the c [w1 w2 ...] case
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CPDF_Array* arr = next->AsArray();
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int cnt = static_cast<int>(arr->GetCount());
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size_t inner_idx = 0;
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for (cur_cid = cid; cur_cid < cid + cnt; cur_cid++) {
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int width = arr->GetNumberAt(inner_idx++);
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EXPECT_EQ(width, typed_font->GetCharWidthF(cur_cid)) << " at cid "
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<< cur_cid;
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}
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num_cids_checked += cnt;
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continue;
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}
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// Otherwise, are in the c_first c_last w case.
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ASSERT_TRUE(next->IsNumber());
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int last_cid = next->AsNumber()->GetInteger();
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ASSERT_FALSE(++idx == widths_array->GetCount());
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int width = widths_array->GetNumberAt(idx);
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for (cur_cid = cid; cur_cid <= last_cid; cur_cid++) {
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EXPECT_EQ(width, typed_font->GetCharWidthF(cur_cid)) << " at cid "
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<< cur_cid;
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}
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num_cids_checked += last_cid - cid + 1;
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}
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// Make sure we have a good amount of cids described
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EXPECT_GT(num_cids_checked, 900);
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}
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CPDF_Document* cpdf_doc() { return cpdf_doc_; }
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private:
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CPDF_Document* cpdf_doc_;
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};
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namespace {
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const char kExpectedPDF[] =
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"%PDF-1.7\r\n"
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"%\xA1\xB3\xC5\xD7\r\n"
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"1 0 obj\r\n"
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"<</Pages 2 0 R /Type/Catalog>>\r\n"
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"endobj\r\n"
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"2 0 obj\r\n"
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"<</Count 1/Kids\\[ 4 0 R \\]/Type/Pages>>\r\n"
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"endobj\r\n"
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"3 0 obj\r\n"
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"<</CreationDate\\(D:.*\\)/Creator\\(PDFium\\)>>\r\n"
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"endobj\r\n"
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"4 0 obj\r\n"
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"<</MediaBox\\[ 0 0 640 480\\]/Parent 2 0 R "
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"/Resources<</ExtGState<</FXE1 5 0 R >>>>"
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"/Rotate 0/Type/Page"
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">>\r\n"
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"endobj\r\n"
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"5 0 obj\r\n"
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"<</BM/Normal/CA 1/ca 1>>\r\n"
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"endobj\r\n"
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"xref\r\n"
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"0 6\r\n"
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"0000000000 65535 f\r\n"
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"0000000017 00000 n\r\n"
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"0000000066 00000 n\r\n"
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"0000000122 00000 n\r\n"
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"0000000192 00000 n\r\n"
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"0000000311 00000 n\r\n"
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"trailer\r\n"
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"<<\r\n"
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"/Root 1 0 R\r\n"
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"/Info 3 0 R\r\n"
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"/Size 6/ID\\[<.*><.*>\\]>>\r\n"
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"startxref\r\n"
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"354\r\n"
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"%%EOF\r\n";
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} // namespace
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TEST_F(FPDFEditEmbeddertest, EmptyCreation) {
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EXPECT_TRUE(CreateEmptyDocument());
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FPDF_PAGE page = FPDFPage_New(document(), 0, 640.0, 480.0);
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EXPECT_NE(nullptr, page);
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// The FPDFPage_GenerateContent call should do nothing.
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EXPECT_TRUE(FPDFPage_GenerateContent(page));
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EXPECT_TRUE(FPDF_SaveAsCopy(document(), this, 0));
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EXPECT_THAT(GetString(), testing::MatchesRegex(std::string(
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kExpectedPDF, sizeof(kExpectedPDF))));
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FPDF_ClosePage(page);
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}
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// Regression test for https://crbug.com/667012
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TEST_F(FPDFEditEmbeddertest, RasterizePDF) {
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const char kAllBlackMd5sum[] = "5708fc5c4a8bd0abde99c8e8f0390615";
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// Get the bitmap for the original document/
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FPDF_BITMAP orig_bitmap;
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{
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EXPECT_TRUE(OpenDocument("black.pdf"));
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FPDF_PAGE orig_page = LoadPage(0);
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EXPECT_NE(nullptr, orig_page);
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orig_bitmap = RenderPage(orig_page);
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CompareBitmap(orig_bitmap, 612, 792, kAllBlackMd5sum);
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UnloadPage(orig_page);
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}
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// Create a new document from |orig_bitmap| and save it.
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{
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FPDF_DOCUMENT temp_doc = FPDF_CreateNewDocument();
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FPDF_PAGE temp_page = FPDFPage_New(temp_doc, 0, 612, 792);
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// Add the bitmap to an image object and add the image object to the output
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// page.
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FPDF_PAGEOBJECT temp_img = FPDFPageObj_NewImageObj(temp_doc);
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EXPECT_TRUE(FPDFImageObj_SetBitmap(&temp_page, 1, temp_img, orig_bitmap));
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EXPECT_TRUE(FPDFImageObj_SetMatrix(temp_img, 612, 0, 0, 792, 0, 0));
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FPDFPage_InsertObject(temp_page, temp_img);
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EXPECT_TRUE(FPDFPage_GenerateContent(temp_page));
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EXPECT_TRUE(FPDF_SaveAsCopy(temp_doc, this, 0));
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FPDF_ClosePage(temp_page);
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FPDF_CloseDocument(temp_doc);
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}
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FPDFBitmap_Destroy(orig_bitmap);
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// Get the generated content. Make sure it is at least as big as the original
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// PDF.
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EXPECT_GT(GetString().size(), 923U);
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VerifySavedDocument(612, 792, kAllBlackMd5sum);
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}
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TEST_F(FPDFEditEmbeddertest, AddPaths) {
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// Start with a blank page
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FPDF_PAGE page = FPDFPage_New(CreateNewDocument(), 0, 612, 792);
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// We will first add a red rectangle
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FPDF_PAGEOBJECT red_rect = FPDFPageObj_CreateNewRect(10, 10, 20, 20);
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ASSERT_NE(nullptr, red_rect);
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// Expect false when trying to set colors out of range
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EXPECT_FALSE(FPDFPath_SetStrokeColor(red_rect, 100, 100, 100, 300));
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EXPECT_FALSE(FPDFPath_SetFillColor(red_rect, 200, 256, 200, 0));
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// Fill rectangle with red and insert to the page
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EXPECT_TRUE(FPDFPath_SetFillColor(red_rect, 255, 0, 0, 255));
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EXPECT_TRUE(FPDFPath_SetDrawMode(red_rect, FPDF_FILLMODE_ALTERNATE, 0));
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FPDFPage_InsertObject(page, red_rect);
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FPDF_BITMAP page_bitmap = RenderPage(page);
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CompareBitmap(page_bitmap, 612, 792, "66d02eaa6181e2c069ce2ea99beda497");
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FPDFBitmap_Destroy(page_bitmap);
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// Now add to that a green rectangle with some medium alpha
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FPDF_PAGEOBJECT green_rect = FPDFPageObj_CreateNewRect(100, 100, 40, 40);
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EXPECT_TRUE(FPDFPath_SetFillColor(green_rect, 0, 255, 0, 128));
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// Make sure the type of the rectangle is a path.
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EXPECT_EQ(FPDF_PAGEOBJ_PATH, FPDFPageObj_GetType(green_rect));
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// Make sure we get back the same color we set previously.
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unsigned int R;
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unsigned int G;
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unsigned int B;
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unsigned int A;
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EXPECT_TRUE(FPDFPath_GetFillColor(green_rect, &R, &G, &B, &A));
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EXPECT_EQ(0U, R);
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EXPECT_EQ(255U, G);
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EXPECT_EQ(0U, B);
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EXPECT_EQ(128U, A);
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// Make sure the path has 5 points (1 FXPT_TYPE::MoveTo and 4
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// FXPT_TYPE::LineTo).
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ASSERT_EQ(5, FPDFPath_CountSegments(green_rect));
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// Verify actual coordinates.
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FPDF_PATHSEGMENT segment = FPDFPath_GetPathSegment(green_rect, 0);
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float x;
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float y;
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EXPECT_TRUE(FPDFPathSegment_GetPoint(segment, &x, &y));
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EXPECT_EQ(100, x);
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EXPECT_EQ(100, y);
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EXPECT_EQ(FPDF_SEGMENT_MOVETO, FPDFPathSegment_GetType(segment));
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EXPECT_FALSE(FPDFPathSegment_GetClose(segment));
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segment = FPDFPath_GetPathSegment(green_rect, 1);
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EXPECT_TRUE(FPDFPathSegment_GetPoint(segment, &x, &y));
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EXPECT_EQ(100, x);
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EXPECT_EQ(140, y);
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EXPECT_EQ(FPDF_SEGMENT_LINETO, FPDFPathSegment_GetType(segment));
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EXPECT_FALSE(FPDFPathSegment_GetClose(segment));
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segment = FPDFPath_GetPathSegment(green_rect, 2);
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EXPECT_TRUE(FPDFPathSegment_GetPoint(segment, &x, &y));
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EXPECT_EQ(140, x);
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EXPECT_EQ(140, y);
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EXPECT_EQ(FPDF_SEGMENT_LINETO, FPDFPathSegment_GetType(segment));
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EXPECT_FALSE(FPDFPathSegment_GetClose(segment));
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segment = FPDFPath_GetPathSegment(green_rect, 3);
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EXPECT_TRUE(FPDFPathSegment_GetPoint(segment, &x, &y));
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EXPECT_EQ(140, x);
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EXPECT_EQ(100, y);
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EXPECT_EQ(FPDF_SEGMENT_LINETO, FPDFPathSegment_GetType(segment));
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EXPECT_FALSE(FPDFPathSegment_GetClose(segment));
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segment = FPDFPath_GetPathSegment(green_rect, 4);
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EXPECT_TRUE(FPDFPathSegment_GetPoint(segment, &x, &y));
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EXPECT_EQ(100, x);
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EXPECT_EQ(100, y);
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EXPECT_EQ(FPDF_SEGMENT_LINETO, FPDFPathSegment_GetType(segment));
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EXPECT_TRUE(FPDFPathSegment_GetClose(segment));
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EXPECT_TRUE(FPDFPath_SetDrawMode(green_rect, FPDF_FILLMODE_WINDING, 0));
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FPDFPage_InsertObject(page, green_rect);
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page_bitmap = RenderPage(page);
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CompareBitmap(page_bitmap, 612, 792, "7b0b87604594e773add528fae567a558");
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FPDFBitmap_Destroy(page_bitmap);
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// Add a black triangle.
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FPDF_PAGEOBJECT black_path = FPDFPageObj_CreateNewPath(400, 100);
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EXPECT_TRUE(FPDFPath_SetFillColor(black_path, 0, 0, 0, 200));
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EXPECT_TRUE(FPDFPath_SetDrawMode(black_path, FPDF_FILLMODE_ALTERNATE, 0));
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EXPECT_TRUE(FPDFPath_LineTo(black_path, 400, 200));
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EXPECT_TRUE(FPDFPath_LineTo(black_path, 300, 100));
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EXPECT_TRUE(FPDFPath_Close(black_path));
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// Make sure the path has 3 points (1 FXPT_TYPE::MoveTo and 2
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// FXPT_TYPE::LineTo).
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ASSERT_EQ(3, FPDFPath_CountSegments(black_path));
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// Verify actual coordinates.
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segment = FPDFPath_GetPathSegment(black_path, 0);
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EXPECT_TRUE(FPDFPathSegment_GetPoint(segment, &x, &y));
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EXPECT_EQ(400, x);
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EXPECT_EQ(100, y);
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EXPECT_EQ(FPDF_SEGMENT_MOVETO, FPDFPathSegment_GetType(segment));
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EXPECT_FALSE(FPDFPathSegment_GetClose(segment));
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segment = FPDFPath_GetPathSegment(black_path, 1);
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EXPECT_TRUE(FPDFPathSegment_GetPoint(segment, &x, &y));
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EXPECT_EQ(400, x);
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EXPECT_EQ(200, y);
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EXPECT_EQ(FPDF_SEGMENT_LINETO, FPDFPathSegment_GetType(segment));
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EXPECT_FALSE(FPDFPathSegment_GetClose(segment));
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segment = FPDFPath_GetPathSegment(black_path, 2);
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EXPECT_TRUE(FPDFPathSegment_GetPoint(segment, &x, &y));
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EXPECT_EQ(300, x);
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EXPECT_EQ(100, y);
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EXPECT_EQ(FPDF_SEGMENT_LINETO, FPDFPathSegment_GetType(segment));
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EXPECT_TRUE(FPDFPathSegment_GetClose(segment));
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// Make sure out of bounds index access fails properly.
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EXPECT_EQ(nullptr, FPDFPath_GetPathSegment(black_path, 3));
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FPDFPage_InsertObject(page, black_path);
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page_bitmap = RenderPage(page);
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CompareBitmap(page_bitmap, 612, 792, "eadc8020a14dfcf091da2688733d8806");
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FPDFBitmap_Destroy(page_bitmap);
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// Now add a more complex blue path.
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FPDF_PAGEOBJECT blue_path = FPDFPageObj_CreateNewPath(200, 200);
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EXPECT_TRUE(FPDFPath_SetFillColor(blue_path, 0, 0, 255, 255));
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EXPECT_TRUE(FPDFPath_SetDrawMode(blue_path, FPDF_FILLMODE_WINDING, 0));
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EXPECT_TRUE(FPDFPath_LineTo(blue_path, 230, 230));
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EXPECT_TRUE(FPDFPath_BezierTo(blue_path, 250, 250, 280, 280, 300, 300));
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EXPECT_TRUE(FPDFPath_LineTo(blue_path, 325, 325));
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EXPECT_TRUE(FPDFPath_LineTo(blue_path, 350, 325));
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EXPECT_TRUE(FPDFPath_BezierTo(blue_path, 375, 330, 390, 360, 400, 400));
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EXPECT_TRUE(FPDFPath_Close(blue_path));
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FPDFPage_InsertObject(page, blue_path);
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page_bitmap = RenderPage(page);
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const char last_md5[] = "9823e1a21bd9b72b6a442ba4f12af946";
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CompareBitmap(page_bitmap, 612, 792, last_md5);
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FPDFBitmap_Destroy(page_bitmap);
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// Now save the result, closing the page and document
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EXPECT_TRUE(FPDFPage_GenerateContent(page));
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EXPECT_TRUE(FPDF_SaveAsCopy(document(), this, 0));
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FPDF_ClosePage(page);
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// Render the saved result
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VerifySavedDocument(612, 792, last_md5);
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}
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TEST_F(FPDFEditEmbeddertest, PathsPoints) {
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CreateNewDocument();
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FPDF_PAGEOBJECT img = FPDFPageObj_NewImageObj(document_);
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// This should fail gracefully, even if img is not a path.
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ASSERT_EQ(-1, FPDFPath_CountSegments(img));
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// This should fail gracefully, even if path is NULL.
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ASSERT_EQ(-1, FPDFPath_CountSegments(nullptr));
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// FPDFPath_GetPathSegment() with a non-path.
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ASSERT_EQ(nullptr, FPDFPath_GetPathSegment(img, 0));
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// FPDFPath_GetPathSegment() with a NULL path.
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ASSERT_EQ(nullptr, FPDFPath_GetPathSegment(nullptr, 0));
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float x;
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float y;
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// FPDFPathSegment_GetPoint() with a NULL segment.
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EXPECT_FALSE(FPDFPathSegment_GetPoint(nullptr, &x, &y));
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// FPDFPathSegment_GetType() with a NULL segment.
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ASSERT_EQ(FPDF_SEGMENT_UNKNOWN, FPDFPathSegment_GetType(nullptr));
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// FPDFPathSegment_GetClose() with a NULL segment.
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EXPECT_FALSE(FPDFPathSegment_GetClose(nullptr));
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FPDFPageObj_Destroy(img);
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}
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TEST_F(FPDFEditEmbeddertest, PathOnTopOfText) {
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// Load document with some text
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EXPECT_TRUE(OpenDocument("hello_world.pdf"));
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FPDF_PAGE page = LoadPage(0);
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EXPECT_NE(nullptr, page);
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// Add an opaque rectangle on top of some of the text.
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FPDF_PAGEOBJECT red_rect = FPDFPageObj_CreateNewRect(20, 100, 50, 50);
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EXPECT_TRUE(FPDFPath_SetFillColor(red_rect, 255, 0, 0, 255));
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EXPECT_TRUE(FPDFPath_SetDrawMode(red_rect, FPDF_FILLMODE_ALTERNATE, 0));
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FPDFPage_InsertObject(page, red_rect);
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// Add a transparent triangle on top of other part of the text.
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FPDF_PAGEOBJECT black_path = FPDFPageObj_CreateNewPath(20, 50);
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EXPECT_TRUE(FPDFPath_SetFillColor(black_path, 0, 0, 0, 100));
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EXPECT_TRUE(FPDFPath_SetDrawMode(black_path, FPDF_FILLMODE_ALTERNATE, 0));
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EXPECT_TRUE(FPDFPath_LineTo(black_path, 30, 80));
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EXPECT_TRUE(FPDFPath_LineTo(black_path, 40, 10));
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EXPECT_TRUE(FPDFPath_Close(black_path));
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FPDFPage_InsertObject(page, black_path);
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// Render and check the result. Text is slightly different on Mac.
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FPDF_BITMAP bitmap = RenderPage(page);
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#if _FX_PLATFORM_ == _FX_PLATFORM_APPLE_
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const char md5[] = "f9e6fa74230f234286bfcada9f7606d8";
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#else
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const char md5[] = "aa71b09b93b55f467f1290e5111babee";
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#endif
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CompareBitmap(bitmap, 200, 200, md5);
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FPDFBitmap_Destroy(bitmap);
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UnloadPage(page);
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}
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TEST_F(FPDFEditEmbeddertest, EditOverExistingContent) {
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// Load document with existing content
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EXPECT_TRUE(OpenDocument("bug_717.pdf"));
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FPDF_PAGE page = LoadPage(0);
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EXPECT_NE(nullptr, page);
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// Add a transparent rectangle on top of the existing content
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FPDF_PAGEOBJECT red_rect2 = FPDFPageObj_CreateNewRect(90, 700, 25, 50);
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EXPECT_TRUE(FPDFPath_SetFillColor(red_rect2, 255, 0, 0, 100));
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EXPECT_TRUE(FPDFPath_SetDrawMode(red_rect2, FPDF_FILLMODE_ALTERNATE, 0));
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FPDFPage_InsertObject(page, red_rect2);
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// Add an opaque rectangle on top of the existing content
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FPDF_PAGEOBJECT red_rect = FPDFPageObj_CreateNewRect(115, 700, 25, 50);
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EXPECT_TRUE(FPDFPath_SetFillColor(red_rect, 255, 0, 0, 255));
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EXPECT_TRUE(FPDFPath_SetDrawMode(red_rect, FPDF_FILLMODE_ALTERNATE, 0));
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FPDFPage_InsertObject(page, red_rect);
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FPDF_BITMAP bitmap = RenderPage(page);
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CompareBitmap(bitmap, 612, 792, "ad04e5bd0f471a9a564fb034bd0fb073");
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FPDFBitmap_Destroy(bitmap);
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EXPECT_TRUE(FPDFPage_GenerateContent(page));
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// Now save the result, closing the page and document
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EXPECT_TRUE(FPDF_SaveAsCopy(document(), this, 0));
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UnloadPage(page);
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OpenSavedDocument();
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page = LoadSavedPage(0);
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VerifySavedRendering(page, 612, 792, "ad04e5bd0f471a9a564fb034bd0fb073");
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ClearString();
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// Add another opaque rectangle on top of the existing content
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FPDF_PAGEOBJECT green_rect = FPDFPageObj_CreateNewRect(150, 700, 25, 50);
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EXPECT_TRUE(FPDFPath_SetFillColor(green_rect, 0, 255, 0, 255));
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EXPECT_TRUE(FPDFPath_SetDrawMode(green_rect, FPDF_FILLMODE_ALTERNATE, 0));
|
FPDFPage_InsertObject(page, green_rect);
|
|
// Add another transparent rectangle on top of existing content
|
FPDF_PAGEOBJECT green_rect2 = FPDFPageObj_CreateNewRect(175, 700, 25, 50);
|
EXPECT_TRUE(FPDFPath_SetFillColor(green_rect2, 0, 255, 0, 100));
|
EXPECT_TRUE(FPDFPath_SetDrawMode(green_rect2, FPDF_FILLMODE_ALTERNATE, 0));
|
FPDFPage_InsertObject(page, green_rect2);
|
FPDF_BITMAP new_bitmap = RenderPageWithFlags(page, m_SavedForm, 0);
|
const char last_md5[] = "4b5b00f824620f8c9b8801ebb98e1cdd";
|
CompareBitmap(new_bitmap, 612, 792, last_md5);
|
FPDFBitmap_Destroy(new_bitmap);
|
EXPECT_TRUE(FPDFPage_GenerateContent(page));
|
|
// Now save the result, closing the page and document
|
EXPECT_TRUE(FPDF_SaveAsCopy(m_SavedDocument, this, 0));
|
|
CloseSavedPage(page);
|
CloseSavedDocument();
|
|
// Render the saved result
|
VerifySavedDocument(612, 792, last_md5);
|
}
|
|
TEST_F(FPDFEditEmbeddertest, AddStrokedPaths) {
|
// Start with a blank page
|
FPDF_PAGE page = FPDFPage_New(CreateNewDocument(), 0, 612, 792);
|
|
// Add a large stroked rectangle (fill color should not affect it).
|
FPDF_PAGEOBJECT rect = FPDFPageObj_CreateNewRect(20, 20, 200, 400);
|
EXPECT_TRUE(FPDFPath_SetFillColor(rect, 255, 0, 0, 255));
|
EXPECT_TRUE(FPDFPath_SetStrokeColor(rect, 0, 255, 0, 255));
|
EXPECT_TRUE(FPDFPath_SetStrokeWidth(rect, 15.0f));
|
EXPECT_TRUE(FPDFPath_SetDrawMode(rect, 0, 1));
|
FPDFPage_InsertObject(page, rect);
|
FPDF_BITMAP page_bitmap = RenderPage(page);
|
CompareBitmap(page_bitmap, 612, 792, "64bd31f862a89e0a9e505a5af6efd506");
|
FPDFBitmap_Destroy(page_bitmap);
|
|
// Add crossed-checkmark
|
FPDF_PAGEOBJECT check = FPDFPageObj_CreateNewPath(300, 500);
|
EXPECT_TRUE(FPDFPath_LineTo(check, 400, 400));
|
EXPECT_TRUE(FPDFPath_LineTo(check, 600, 600));
|
EXPECT_TRUE(FPDFPath_MoveTo(check, 400, 600));
|
EXPECT_TRUE(FPDFPath_LineTo(check, 600, 400));
|
EXPECT_TRUE(FPDFPath_SetStrokeColor(check, 128, 128, 128, 180));
|
EXPECT_TRUE(FPDFPath_SetStrokeWidth(check, 8.35f));
|
EXPECT_TRUE(FPDFPath_SetDrawMode(check, 0, 1));
|
FPDFPage_InsertObject(page, check);
|
page_bitmap = RenderPage(page);
|
CompareBitmap(page_bitmap, 612, 792, "4b6f3b9d25c4e194821217d5016c3724");
|
FPDFBitmap_Destroy(page_bitmap);
|
|
// Add stroked and filled oval-ish path.
|
FPDF_PAGEOBJECT path = FPDFPageObj_CreateNewPath(250, 100);
|
EXPECT_TRUE(FPDFPath_BezierTo(path, 180, 166, 180, 233, 250, 300));
|
EXPECT_TRUE(FPDFPath_LineTo(path, 255, 305));
|
EXPECT_TRUE(FPDFPath_BezierTo(path, 325, 233, 325, 166, 255, 105));
|
EXPECT_TRUE(FPDFPath_Close(path));
|
EXPECT_TRUE(FPDFPath_SetFillColor(path, 200, 128, 128, 100));
|
EXPECT_TRUE(FPDFPath_SetStrokeColor(path, 128, 200, 128, 150));
|
EXPECT_TRUE(FPDFPath_SetStrokeWidth(path, 10.5f));
|
EXPECT_TRUE(FPDFPath_SetDrawMode(path, FPDF_FILLMODE_ALTERNATE, 1));
|
FPDFPage_InsertObject(page, path);
|
page_bitmap = RenderPage(page);
|
CompareBitmap(page_bitmap, 612, 792, "ff3e6a22326754944cc6e56609acd73b");
|
FPDFBitmap_Destroy(page_bitmap);
|
FPDF_ClosePage(page);
|
}
|
|
TEST_F(FPDFEditEmbeddertest, AddStandardFontText) {
|
// Start with a blank page
|
FPDF_PAGE page = FPDFPage_New(CreateNewDocument(), 0, 612, 792);
|
|
// Add some text to the page
|
FPDF_PAGEOBJECT text_object1 =
|
FPDFPageObj_NewTextObj(document(), "Arial", 12.0f);
|
EXPECT_TRUE(text_object1);
|
std::unique_ptr<unsigned short, pdfium::FreeDeleter> text1 =
|
GetFPDFWideString(L"I'm at the bottom of the page");
|
EXPECT_TRUE(FPDFText_SetText(text_object1, text1.get()));
|
FPDFPageObj_Transform(text_object1, 1, 0, 0, 1, 20, 20);
|
FPDFPage_InsertObject(page, text_object1);
|
FPDF_BITMAP page_bitmap = RenderPage(page);
|
#if _FX_PLATFORM_ == _FX_PLATFORM_APPLE_
|
const char md5[] = "a4dddc1a3930fa694bbff9789dab4161";
|
#else
|
const char md5[] = "eacaa24573b8ce997b3882595f096f00";
|
#endif
|
CompareBitmap(page_bitmap, 612, 792, md5);
|
FPDFBitmap_Destroy(page_bitmap);
|
|
// Try another font
|
FPDF_PAGEOBJECT text_object2 =
|
FPDFPageObj_NewTextObj(document(), "TimesNewRomanBold", 15.0f);
|
EXPECT_TRUE(text_object2);
|
std::unique_ptr<unsigned short, pdfium::FreeDeleter> text2 =
|
GetFPDFWideString(L"Hi, I'm Bold. Times New Roman Bold.");
|
EXPECT_TRUE(FPDFText_SetText(text_object2, text2.get()));
|
FPDFPageObj_Transform(text_object2, 1, 0, 0, 1, 100, 600);
|
FPDFPage_InsertObject(page, text_object2);
|
page_bitmap = RenderPage(page);
|
#if _FX_PLATFORM_ == _FX_PLATFORM_APPLE_
|
const char md5_2[] = "a5c4ace4c6f27644094813fe1441a21c";
|
#elif _FX_PLATFORM_ == _FX_PLATFORM_WINDOWS_
|
const char md5_2[] = "2587eac9a787e97a37636d54d11bd28d";
|
#else
|
const char md5_2[] = "76fcc7d08aa15445efd2e2ceb7c6cc3b";
|
#endif
|
CompareBitmap(page_bitmap, 612, 792, md5_2);
|
FPDFBitmap_Destroy(page_bitmap);
|
|
// And some randomly transformed text
|
FPDF_PAGEOBJECT text_object3 =
|
FPDFPageObj_NewTextObj(document(), "Courier-Bold", 20.0f);
|
EXPECT_TRUE(text_object3);
|
std::unique_ptr<unsigned short, pdfium::FreeDeleter> text3 =
|
GetFPDFWideString(L"Can you read me? <:)>");
|
EXPECT_TRUE(FPDFText_SetText(text_object3, text3.get()));
|
FPDFPageObj_Transform(text_object3, 1, 1.5, 2, 0.5, 200, 200);
|
FPDFPage_InsertObject(page, text_object3);
|
page_bitmap = RenderPage(page);
|
#if _FX_PLATFORM_ == _FX_PLATFORM_APPLE_
|
const char md5_3[] = "40b3ef04f915ff4c4208948001763544";
|
#elif _FX_PLATFORM_ == _FX_PLATFORM_WINDOWS_
|
const char md5_3[] = "7cb61ec112cf400b489360d443ffc9d2";
|
#else
|
const char md5_3[] = "b8a21668f1dab625af7c072e07fcefc4";
|
#endif
|
CompareBitmap(page_bitmap, 612, 792, md5_3);
|
FPDFBitmap_Destroy(page_bitmap);
|
|
// TODO(npm): Why are there issues with text rotated by 90 degrees?
|
// TODO(npm): FPDF_SaveAsCopy not giving the desired result after this.
|
FPDF_ClosePage(page);
|
}
|
|
TEST_F(FPDFEditEmbeddertest, GraphicsData) {
|
// New page
|
std::unique_ptr<void, FPDFPageDeleter> page(
|
FPDFPage_New(CreateNewDocument(), 0, 612, 792));
|
|
// Create a rect with nontrivial graphics
|
FPDF_PAGEOBJECT rect1 = FPDFPageObj_CreateNewRect(10, 10, 100, 100);
|
FPDFPageObj_SetBlendMode(rect1, "Color");
|
FPDFPage_InsertObject(page.get(), rect1);
|
EXPECT_TRUE(FPDFPage_GenerateContent(page.get()));
|
|
// Check that the ExtGState was created
|
CPDF_Page* the_page = CPDFPageFromFPDFPage(page.get());
|
CPDF_Dictionary* graphics_dict =
|
the_page->m_pResources->GetDictFor("ExtGState");
|
ASSERT_TRUE(graphics_dict);
|
EXPECT_EQ(2, static_cast<int>(graphics_dict->GetCount()));
|
|
// Add a text object causing no change to the graphics dictionary
|
FPDF_PAGEOBJECT text1 = FPDFPageObj_NewTextObj(document(), "Arial", 12.0f);
|
// Only alpha, the last component, matters for the graphics dictionary. And
|
// the default value is 255.
|
EXPECT_TRUE(FPDFText_SetFillColor(text1, 100, 100, 100, 255));
|
FPDFPage_InsertObject(page.get(), text1);
|
EXPECT_TRUE(FPDFPage_GenerateContent(page.get()));
|
EXPECT_EQ(2, static_cast<int>(graphics_dict->GetCount()));
|
|
// Add a text object increasing the size of the graphics dictionary
|
FPDF_PAGEOBJECT text2 =
|
FPDFPageObj_NewTextObj(document(), "Times-Roman", 12.0f);
|
FPDFPage_InsertObject(page.get(), text2);
|
FPDFPageObj_SetBlendMode(text2, "Darken");
|
EXPECT_TRUE(FPDFText_SetFillColor(text2, 0, 0, 255, 150));
|
EXPECT_TRUE(FPDFPage_GenerateContent(page.get()));
|
EXPECT_EQ(3, static_cast<int>(graphics_dict->GetCount()));
|
|
// Add a path that should reuse graphics
|
FPDF_PAGEOBJECT path = FPDFPageObj_CreateNewPath(400, 100);
|
FPDFPageObj_SetBlendMode(path, "Darken");
|
EXPECT_TRUE(FPDFPath_SetFillColor(path, 200, 200, 100, 150));
|
FPDFPage_InsertObject(page.get(), path);
|
EXPECT_TRUE(FPDFPage_GenerateContent(page.get()));
|
EXPECT_EQ(3, static_cast<int>(graphics_dict->GetCount()));
|
|
// Add a rect increasing the size of the graphics dictionary
|
FPDF_PAGEOBJECT rect2 = FPDFPageObj_CreateNewRect(10, 10, 100, 100);
|
FPDFPageObj_SetBlendMode(rect2, "Darken");
|
EXPECT_TRUE(FPDFPath_SetFillColor(rect2, 0, 0, 255, 150));
|
EXPECT_TRUE(FPDFPath_SetStrokeColor(rect2, 0, 0, 0, 200));
|
FPDFPage_InsertObject(page.get(), rect2);
|
EXPECT_TRUE(FPDFPage_GenerateContent(page.get()));
|
EXPECT_EQ(4, static_cast<int>(graphics_dict->GetCount()));
|
}
|
|
TEST_F(FPDFEditEmbeddertest, DoubleGenerating) {
|
// Start with a blank page
|
FPDF_PAGE page = FPDFPage_New(CreateNewDocument(), 0, 612, 792);
|
|
// Add a red rectangle with some non-default alpha
|
FPDF_PAGEOBJECT rect = FPDFPageObj_CreateNewRect(10, 10, 100, 100);
|
EXPECT_TRUE(FPDFPath_SetFillColor(rect, 255, 0, 0, 128));
|
EXPECT_TRUE(FPDFPath_SetDrawMode(rect, FPDF_FILLMODE_WINDING, 0));
|
FPDFPage_InsertObject(page, rect);
|
EXPECT_TRUE(FPDFPage_GenerateContent(page));
|
|
// Check the ExtGState
|
CPDF_Page* the_page = CPDFPageFromFPDFPage(page);
|
CPDF_Dictionary* graphics_dict =
|
the_page->m_pResources->GetDictFor("ExtGState");
|
ASSERT_TRUE(graphics_dict);
|
EXPECT_EQ(2, static_cast<int>(graphics_dict->GetCount()));
|
|
// Check the bitmap
|
FPDF_BITMAP page_bitmap = RenderPage(page);
|
CompareBitmap(page_bitmap, 612, 792, "5384da3406d62360ffb5cac4476fff1c");
|
FPDFBitmap_Destroy(page_bitmap);
|
|
// Never mind, my new favorite color is blue, increase alpha
|
EXPECT_TRUE(FPDFPath_SetFillColor(rect, 0, 0, 255, 180));
|
EXPECT_TRUE(FPDFPage_GenerateContent(page));
|
EXPECT_EQ(3, static_cast<int>(graphics_dict->GetCount()));
|
|
// Check that bitmap displays changed content
|
page_bitmap = RenderPage(page);
|
CompareBitmap(page_bitmap, 612, 792, "2e51656f5073b0bee611d9cd086aa09c");
|
FPDFBitmap_Destroy(page_bitmap);
|
|
// And now generate, without changes
|
EXPECT_TRUE(FPDFPage_GenerateContent(page));
|
EXPECT_EQ(3, static_cast<int>(graphics_dict->GetCount()));
|
page_bitmap = RenderPage(page);
|
CompareBitmap(page_bitmap, 612, 792, "2e51656f5073b0bee611d9cd086aa09c");
|
FPDFBitmap_Destroy(page_bitmap);
|
|
// Add some text to the page
|
FPDF_PAGEOBJECT text_object =
|
FPDFPageObj_NewTextObj(document(), "Arial", 12.0f);
|
std::unique_ptr<unsigned short, pdfium::FreeDeleter> text =
|
GetFPDFWideString(L"Something something #text# something");
|
EXPECT_TRUE(FPDFText_SetText(text_object, text.get()));
|
FPDFPageObj_Transform(text_object, 1, 0, 0, 1, 300, 300);
|
FPDFPage_InsertObject(page, text_object);
|
EXPECT_TRUE(FPDFPage_GenerateContent(page));
|
CPDF_Dictionary* font_dict = the_page->m_pResources->GetDictFor("Font");
|
ASSERT_TRUE(font_dict);
|
EXPECT_EQ(1, static_cast<int>(font_dict->GetCount()));
|
|
// Generate yet again, check dicts are reasonably sized
|
EXPECT_TRUE(FPDFPage_GenerateContent(page));
|
EXPECT_EQ(3, static_cast<int>(graphics_dict->GetCount()));
|
EXPECT_EQ(1, static_cast<int>(font_dict->GetCount()));
|
FPDF_ClosePage(page);
|
}
|
|
TEST_F(FPDFEditEmbeddertest, LoadSimpleType1Font) {
|
CreateNewDocument();
|
// TODO(npm): use other fonts after disallowing loading any font as any type
|
const CPDF_Font* stock_font =
|
CPDF_Font::GetStockFont(cpdf_doc(), "Times-Bold");
|
const uint8_t* data = stock_font->GetFont()->GetFontData();
|
const uint32_t size = stock_font->GetFont()->GetSize();
|
std::unique_ptr<void, FPDFFontDeleter> font(
|
FPDFText_LoadFont(document(), data, size, FPDF_FONT_TYPE1, false));
|
ASSERT_TRUE(font.get());
|
CPDF_Font* typed_font = static_cast<CPDF_Font*>(font.get());
|
EXPECT_TRUE(typed_font->IsType1Font());
|
|
CPDF_Dictionary* font_dict = typed_font->GetFontDict();
|
EXPECT_EQ("Font", font_dict->GetStringFor("Type"));
|
EXPECT_EQ("Type1", font_dict->GetStringFor("Subtype"));
|
EXPECT_EQ("Times New Roman Bold", font_dict->GetStringFor("BaseFont"));
|
ASSERT_TRUE(font_dict->KeyExist("FirstChar"));
|
ASSERT_TRUE(font_dict->KeyExist("LastChar"));
|
EXPECT_EQ(32, font_dict->GetIntegerFor("FirstChar"));
|
EXPECT_EQ(255, font_dict->GetIntegerFor("LastChar"));
|
|
CPDF_Array* widths_array = font_dict->GetArrayFor("Widths");
|
ASSERT_TRUE(widths_array);
|
ASSERT_EQ(224U, widths_array->GetCount());
|
EXPECT_EQ(250, widths_array->GetNumberAt(0));
|
EXPECT_EQ(569, widths_array->GetNumberAt(11));
|
EXPECT_EQ(500, widths_array->GetNumberAt(223));
|
CheckFontDescriptor(font_dict, FPDF_FONT_TYPE1, true, false, size, data);
|
}
|
|
TEST_F(FPDFEditEmbeddertest, LoadSimpleTrueTypeFont) {
|
CreateNewDocument();
|
const CPDF_Font* stock_font = CPDF_Font::GetStockFont(cpdf_doc(), "Courier");
|
const uint8_t* data = stock_font->GetFont()->GetFontData();
|
const uint32_t size = stock_font->GetFont()->GetSize();
|
std::unique_ptr<void, FPDFFontDeleter> font(
|
FPDFText_LoadFont(document(), data, size, FPDF_FONT_TRUETYPE, false));
|
ASSERT_TRUE(font.get());
|
CPDF_Font* typed_font = static_cast<CPDF_Font*>(font.get());
|
EXPECT_TRUE(typed_font->IsTrueTypeFont());
|
|
CPDF_Dictionary* font_dict = typed_font->GetFontDict();
|
EXPECT_EQ("Font", font_dict->GetStringFor("Type"));
|
EXPECT_EQ("TrueType", font_dict->GetStringFor("Subtype"));
|
EXPECT_EQ("Courier New", font_dict->GetStringFor("BaseFont"));
|
ASSERT_TRUE(font_dict->KeyExist("FirstChar"));
|
ASSERT_TRUE(font_dict->KeyExist("LastChar"));
|
EXPECT_EQ(32, font_dict->GetIntegerFor("FirstChar"));
|
EXPECT_EQ(255, font_dict->GetIntegerFor("LastChar"));
|
|
CPDF_Array* widths_array = font_dict->GetArrayFor("Widths");
|
ASSERT_TRUE(widths_array);
|
ASSERT_EQ(224U, widths_array->GetCount());
|
EXPECT_EQ(600, widths_array->GetNumberAt(33));
|
EXPECT_EQ(600, widths_array->GetNumberAt(74));
|
EXPECT_EQ(600, widths_array->GetNumberAt(223));
|
CheckFontDescriptor(font_dict, FPDF_FONT_TRUETYPE, false, false, size, data);
|
}
|
|
TEST_F(FPDFEditEmbeddertest, LoadCIDType0Font) {
|
CreateNewDocument();
|
const CPDF_Font* stock_font =
|
CPDF_Font::GetStockFont(cpdf_doc(), "Times-Roman");
|
const uint8_t* data = stock_font->GetFont()->GetFontData();
|
const uint32_t size = stock_font->GetFont()->GetSize();
|
std::unique_ptr<void, FPDFFontDeleter> font(
|
FPDFText_LoadFont(document(), data, size, FPDF_FONT_TYPE1, 1));
|
ASSERT_TRUE(font.get());
|
CPDF_Font* typed_font = static_cast<CPDF_Font*>(font.get());
|
EXPECT_TRUE(typed_font->IsCIDFont());
|
|
// Check font dictionary entries
|
CPDF_Dictionary* font_dict = typed_font->GetFontDict();
|
EXPECT_EQ("Font", font_dict->GetStringFor("Type"));
|
EXPECT_EQ("Type0", font_dict->GetStringFor("Subtype"));
|
EXPECT_EQ("Times New Roman-Identity-H", font_dict->GetStringFor("BaseFont"));
|
EXPECT_EQ("Identity-H", font_dict->GetStringFor("Encoding"));
|
CPDF_Array* descendant_array = font_dict->GetArrayFor("DescendantFonts");
|
ASSERT_TRUE(descendant_array);
|
EXPECT_EQ(1U, descendant_array->GetCount());
|
|
// Check the CIDFontDict
|
CPDF_Dictionary* cidfont_dict = descendant_array->GetDictAt(0);
|
EXPECT_EQ("Font", cidfont_dict->GetStringFor("Type"));
|
EXPECT_EQ("CIDFontType0", cidfont_dict->GetStringFor("Subtype"));
|
EXPECT_EQ("Times New Roman", cidfont_dict->GetStringFor("BaseFont"));
|
CPDF_Dictionary* cidinfo_dict = cidfont_dict->GetDictFor("CIDSystemInfo");
|
ASSERT_TRUE(cidinfo_dict);
|
EXPECT_EQ("Adobe", cidinfo_dict->GetStringFor("Registry"));
|
EXPECT_EQ("Identity", cidinfo_dict->GetStringFor("Ordering"));
|
EXPECT_EQ(0, cidinfo_dict->GetNumberFor("Supplement"));
|
CheckFontDescriptor(cidfont_dict, FPDF_FONT_TYPE1, false, false, size, data);
|
|
// Check widths
|
CPDF_Array* widths_array = cidfont_dict->GetArrayFor("W");
|
ASSERT_TRUE(widths_array);
|
EXPECT_GT(widths_array->GetCount(), 1U);
|
CheckCompositeFontWidths(widths_array, typed_font);
|
}
|
|
TEST_F(FPDFEditEmbeddertest, LoadCIDType2Font) {
|
CreateNewDocument();
|
const CPDF_Font* stock_font =
|
CPDF_Font::GetStockFont(cpdf_doc(), "Helvetica-Oblique");
|
const uint8_t* data = stock_font->GetFont()->GetFontData();
|
const uint32_t size = stock_font->GetFont()->GetSize();
|
|
std::unique_ptr<void, FPDFFontDeleter> font(
|
FPDFText_LoadFont(document(), data, size, FPDF_FONT_TRUETYPE, 1));
|
ASSERT_TRUE(font.get());
|
CPDF_Font* typed_font = static_cast<CPDF_Font*>(font.get());
|
EXPECT_TRUE(typed_font->IsCIDFont());
|
|
// Check font dictionary entries
|
CPDF_Dictionary* font_dict = typed_font->GetFontDict();
|
EXPECT_EQ("Font", font_dict->GetStringFor("Type"));
|
EXPECT_EQ("Type0", font_dict->GetStringFor("Subtype"));
|
EXPECT_EQ("Arial Italic", font_dict->GetStringFor("BaseFont"));
|
EXPECT_EQ("Identity-H", font_dict->GetStringFor("Encoding"));
|
CPDF_Array* descendant_array = font_dict->GetArrayFor("DescendantFonts");
|
ASSERT_TRUE(descendant_array);
|
EXPECT_EQ(1U, descendant_array->GetCount());
|
|
// Check the CIDFontDict
|
CPDF_Dictionary* cidfont_dict = descendant_array->GetDictAt(0);
|
EXPECT_EQ("Font", cidfont_dict->GetStringFor("Type"));
|
EXPECT_EQ("CIDFontType2", cidfont_dict->GetStringFor("Subtype"));
|
EXPECT_EQ("Arial Italic", cidfont_dict->GetStringFor("BaseFont"));
|
CPDF_Dictionary* cidinfo_dict = cidfont_dict->GetDictFor("CIDSystemInfo");
|
ASSERT_TRUE(cidinfo_dict);
|
EXPECT_EQ("Adobe", cidinfo_dict->GetStringFor("Registry"));
|
EXPECT_EQ("Identity", cidinfo_dict->GetStringFor("Ordering"));
|
EXPECT_EQ(0, cidinfo_dict->GetNumberFor("Supplement"));
|
CheckFontDescriptor(cidfont_dict, FPDF_FONT_TRUETYPE, false, true, size,
|
data);
|
|
// Check widths
|
CPDF_Array* widths_array = cidfont_dict->GetArrayFor("W");
|
ASSERT_TRUE(widths_array);
|
CheckCompositeFontWidths(widths_array, typed_font);
|
}
|
|
TEST_F(FPDFEditEmbeddertest, NormalizeNegativeRotation) {
|
// Load document with a -90 degree rotation
|
EXPECT_TRUE(OpenDocument("bug_713197.pdf"));
|
FPDF_PAGE page = LoadPage(0);
|
EXPECT_NE(nullptr, page);
|
|
EXPECT_EQ(3, FPDFPage_GetRotation(page));
|
UnloadPage(page);
|
}
|
|
TEST_F(FPDFEditEmbeddertest, AddTrueTypeFontText) {
|
// Start with a blank page
|
FPDF_PAGE page = FPDFPage_New(CreateNewDocument(), 0, 612, 792);
|
{
|
const CPDF_Font* stock_font = CPDF_Font::GetStockFont(cpdf_doc(), "Arial");
|
const uint8_t* data = stock_font->GetFont()->GetFontData();
|
const uint32_t size = stock_font->GetFont()->GetSize();
|
std::unique_ptr<void, FPDFFontDeleter> font(
|
FPDFText_LoadFont(document(), data, size, FPDF_FONT_TRUETYPE, 0));
|
ASSERT_TRUE(font.get());
|
|
// Add some text to the page
|
FPDF_PAGEOBJECT text_object =
|
FPDFPageObj_CreateTextObj(document(), font.get(), 12.0f);
|
EXPECT_TRUE(text_object);
|
std::unique_ptr<unsigned short, pdfium::FreeDeleter> text =
|
GetFPDFWideString(L"I am testing my loaded font, WEE.");
|
EXPECT_TRUE(FPDFText_SetText(text_object, text.get()));
|
FPDFPageObj_Transform(text_object, 1, 0, 0, 1, 400, 400);
|
FPDFPage_InsertObject(page, text_object);
|
FPDF_BITMAP page_bitmap = RenderPage(page);
|
#if _FX_PLATFORM_ == _FX_PLATFORM_APPLE_
|
const char md5[] = "17d2b6cd574cf66170b09c8927529a94";
|
#else
|
const char md5[] = "70592859010ffbf532a2237b8118bcc4";
|
#endif // _FX_PLATFORM_ == _FX_PLATFORM_APPLE_
|
CompareBitmap(page_bitmap, 612, 792, md5);
|
FPDFBitmap_Destroy(page_bitmap);
|
|
// Add some more text, same font
|
FPDF_PAGEOBJECT text_object2 =
|
FPDFPageObj_CreateTextObj(document(), font.get(), 15.0f);
|
std::unique_ptr<unsigned short, pdfium::FreeDeleter> text2 =
|
GetFPDFWideString(L"Bigger font size");
|
EXPECT_TRUE(FPDFText_SetText(text_object2, text2.get()));
|
FPDFPageObj_Transform(text_object2, 1, 0, 0, 1, 200, 200);
|
FPDFPage_InsertObject(page, text_object2);
|
}
|
FPDF_BITMAP page_bitmap2 = RenderPage(page);
|
#if _FX_PLATFORM_ == _FX_PLATFORM_APPLE_
|
const char md5_2[] = "8eded4193ff1f0f77b8b600a825e97ea";
|
#else
|
const char md5_2[] = "c1d10cce1761c4a998a16b2562030568";
|
#endif // _FX_PLATFORM_ == _FX_PLATFORM_APPLE_
|
CompareBitmap(page_bitmap2, 612, 792, md5_2);
|
FPDFBitmap_Destroy(page_bitmap2);
|
|
EXPECT_TRUE(FPDFPage_GenerateContent(page));
|
EXPECT_TRUE(FPDF_SaveAsCopy(document(), this, 0));
|
FPDF_ClosePage(page);
|
|
VerifySavedDocument(612, 792, md5_2);
|
}
|
|
TEST_F(FPDFEditEmbeddertest, TransformAnnot) {
|
// Open a file with one annotation and load its first page.
|
ASSERT_TRUE(OpenDocument("annotation_highlight_long_content.pdf"));
|
FPDF_PAGE page = FPDF_LoadPage(document(), 0);
|
ASSERT_TRUE(page);
|
|
// Add an underline annotation to the page without specifying its rectangle.
|
FPDF_ANNOTATION annot = FPDFPage_CreateAnnot(page, FPDF_ANNOT_UNDERLINE);
|
ASSERT_TRUE(annot);
|
|
// FPDFPage_TransformAnnots() should run without errors when modifying
|
// annotation rectangles.
|
FPDFPage_TransformAnnots(page, 1, 2, 3, 4, 5, 6);
|
|
FPDFPage_CloseAnnot(annot);
|
UnloadPage(page);
|
}
|
|
// TODO(npm): Add tests using Japanese fonts in other OS.
|
#if _FX_PLATFORM_ == _FX_PLATFORM_LINUX_
|
TEST_F(FPDFEditEmbeddertest, AddCIDFontText) {
|
// Start with a blank page
|
FPDF_PAGE page = FPDFPage_New(CreateNewDocument(), 0, 612, 792);
|
CFX_Font CIDfont;
|
{
|
// First, get the data from the font
|
CIDfont.LoadSubst("IPAGothic", 1, 0, 400, 0, 932, 0);
|
EXPECT_EQ("IPAGothic", CIDfont.GetFaceName());
|
const uint8_t* data = CIDfont.GetFontData();
|
const uint32_t size = CIDfont.GetSize();
|
|
// Load the data into a FPDF_Font.
|
std::unique_ptr<void, FPDFFontDeleter> font(
|
FPDFText_LoadFont(document(), data, size, FPDF_FONT_TRUETYPE, 1));
|
ASSERT_TRUE(font.get());
|
|
// Add some text to the page
|
FPDF_PAGEOBJECT text_object =
|
FPDFPageObj_CreateTextObj(document(), font.get(), 12.0f);
|
ASSERT_TRUE(text_object);
|
std::wstring wstr = L"ABCDEFGhijklmnop.";
|
std::unique_ptr<unsigned short, pdfium::FreeDeleter> text =
|
GetFPDFWideString(wstr);
|
EXPECT_TRUE(FPDFText_SetText(text_object, text.get()));
|
FPDFPageObj_Transform(text_object, 1, 0, 0, 1, 200, 200);
|
FPDFPage_InsertObject(page, text_object);
|
|
// And add some Japanese characters
|
FPDF_PAGEOBJECT text_object2 =
|
FPDFPageObj_CreateTextObj(document(), font.get(), 18.0f);
|
ASSERT_TRUE(text_object2);
|
std::wstring wstr2 =
|
L"\u3053\u3093\u306B\u3061\u306f\u4e16\u754C\u3002\u3053\u3053\u306B1"
|
L"\u756A";
|
std::unique_ptr<unsigned short, pdfium::FreeDeleter> text2 =
|
GetFPDFWideString(wstr2);
|
EXPECT_TRUE(FPDFText_SetText(text_object2, text2.get()));
|
FPDFPageObj_Transform(text_object2, 1, 0, 0, 1, 100, 500);
|
FPDFPage_InsertObject(page, text_object2);
|
}
|
|
// Check that the text renders properly.
|
FPDF_BITMAP page_bitmap = RenderPage(page);
|
const char md5[] = "c68cd79aa72bf83a7b25271370d46b21";
|
CompareBitmap(page_bitmap, 612, 792, md5);
|
FPDFBitmap_Destroy(page_bitmap);
|
|
// Save the document, close the page.
|
EXPECT_TRUE(FPDFPage_GenerateContent(page));
|
EXPECT_TRUE(FPDF_SaveAsCopy(document(), this, 0));
|
FPDF_ClosePage(page);
|
|
VerifySavedDocument(612, 792, md5);
|
}
|
#endif // _FX_PLATFORM_ == _FX_PLATFORM_LINUX_
|
|
TEST_F(FPDFEditEmbeddertest, SaveAndRender) {
|
const char md5[] = "3c20472b0552c0c22b88ab1ed8c6202b";
|
{
|
EXPECT_TRUE(OpenDocument("bug_779.pdf"));
|
FPDF_PAGE page = LoadPage(0);
|
ASSERT_NE(nullptr, page);
|
|
// Now add a more complex blue path.
|
FPDF_PAGEOBJECT green_path = FPDFPageObj_CreateNewPath(20, 20);
|
EXPECT_TRUE(FPDFPath_SetFillColor(green_path, 0, 255, 0, 200));
|
// TODO(npm): stroking will cause the MD5s to differ.
|
EXPECT_TRUE(FPDFPath_SetDrawMode(green_path, FPDF_FILLMODE_WINDING, 0));
|
EXPECT_TRUE(FPDFPath_LineTo(green_path, 20, 63));
|
EXPECT_TRUE(FPDFPath_BezierTo(green_path, 55, 55, 78, 78, 90, 90));
|
EXPECT_TRUE(FPDFPath_LineTo(green_path, 133, 133));
|
EXPECT_TRUE(FPDFPath_LineTo(green_path, 133, 33));
|
EXPECT_TRUE(FPDFPath_BezierTo(green_path, 38, 33, 39, 36, 40, 40));
|
EXPECT_TRUE(FPDFPath_Close(green_path));
|
FPDFPage_InsertObject(page, green_path);
|
FPDF_BITMAP page_bitmap = RenderPage(page);
|
CompareBitmap(page_bitmap, 612, 792, md5);
|
FPDFBitmap_Destroy(page_bitmap);
|
|
// Now save the result, closing the page and document
|
EXPECT_TRUE(FPDFPage_GenerateContent(page));
|
EXPECT_TRUE(FPDF_SaveAsCopy(document(), this, 0));
|
UnloadPage(page);
|
}
|
|
VerifySavedDocument(612, 792, md5);
|
}
|
|
TEST_F(FPDFEditEmbeddertest, ExtractImageBitmap) {
|
ASSERT_TRUE(OpenDocument("embedded_images.pdf"));
|
FPDF_PAGE page = LoadPage(0);
|
ASSERT_TRUE(page);
|
ASSERT_EQ(39, FPDFPage_CountObjects(page));
|
|
FPDF_PAGEOBJECT obj = FPDFPage_GetObject(page, 32);
|
EXPECT_NE(FPDF_PAGEOBJ_IMAGE, FPDFPageObj_GetType(obj));
|
EXPECT_FALSE(FPDFImageObj_GetBitmap(obj));
|
|
obj = FPDFPage_GetObject(page, 33);
|
ASSERT_EQ(FPDF_PAGEOBJ_IMAGE, FPDFPageObj_GetType(obj));
|
FPDF_BITMAP bitmap = FPDFImageObj_GetBitmap(obj);
|
EXPECT_EQ(FPDFBitmap_BGR, FPDFBitmap_GetFormat(bitmap));
|
CompareBitmap(bitmap, 109, 88, "d65e98d968d196abf13f78aec655ffae");
|
FPDFBitmap_Destroy(bitmap);
|
|
obj = FPDFPage_GetObject(page, 34);
|
ASSERT_EQ(FPDF_PAGEOBJ_IMAGE, FPDFPageObj_GetType(obj));
|
bitmap = FPDFImageObj_GetBitmap(obj);
|
EXPECT_EQ(FPDFBitmap_BGR, FPDFBitmap_GetFormat(bitmap));
|
CompareBitmap(bitmap, 103, 75, "1287711c84dbef767c435d11697661d6");
|
FPDFBitmap_Destroy(bitmap);
|
|
obj = FPDFPage_GetObject(page, 35);
|
ASSERT_EQ(FPDF_PAGEOBJ_IMAGE, FPDFPageObj_GetType(obj));
|
bitmap = FPDFImageObj_GetBitmap(obj);
|
EXPECT_EQ(FPDFBitmap_Gray, FPDFBitmap_GetFormat(bitmap));
|
CompareBitmap(bitmap, 92, 68, "9c6d76cb1e37ef8514f9455d759391f3");
|
FPDFBitmap_Destroy(bitmap);
|
|
obj = FPDFPage_GetObject(page, 36);
|
ASSERT_EQ(FPDF_PAGEOBJ_IMAGE, FPDFPageObj_GetType(obj));
|
bitmap = FPDFImageObj_GetBitmap(obj);
|
EXPECT_EQ(FPDFBitmap_BGR, FPDFBitmap_GetFormat(bitmap));
|
CompareBitmap(bitmap, 79, 60, "15cb6a49a2e354ed0e9f45dd34e3da1a");
|
FPDFBitmap_Destroy(bitmap);
|
|
obj = FPDFPage_GetObject(page, 37);
|
ASSERT_EQ(FPDF_PAGEOBJ_IMAGE, FPDFPageObj_GetType(obj));
|
bitmap = FPDFImageObj_GetBitmap(obj);
|
EXPECT_EQ(FPDFBitmap_BGR, FPDFBitmap_GetFormat(bitmap));
|
CompareBitmap(bitmap, 126, 106, "be5a64ba7890d2657522af6524118534");
|
FPDFBitmap_Destroy(bitmap);
|
|
obj = FPDFPage_GetObject(page, 38);
|
ASSERT_EQ(FPDF_PAGEOBJ_IMAGE, FPDFPageObj_GetType(obj));
|
bitmap = FPDFImageObj_GetBitmap(obj);
|
EXPECT_EQ(FPDFBitmap_BGR, FPDFBitmap_GetFormat(bitmap));
|
CompareBitmap(bitmap, 194, 119, "f9e24207ee1bc0db6c543d33a5f12ec5");
|
FPDFBitmap_Destroy(bitmap);
|
UnloadPage(page);
|
}
|
|
TEST_F(FPDFEditEmbeddertest, GetImageData) {
|
EXPECT_TRUE(OpenDocument("embedded_images.pdf"));
|
FPDF_PAGE page = LoadPage(0);
|
ASSERT_TRUE(page);
|
ASSERT_EQ(39, FPDFPage_CountObjects(page));
|
|
// Retrieve an image object with flate-encoded data stream.
|
FPDF_PAGEOBJECT obj = FPDFPage_GetObject(page, 33);
|
ASSERT_EQ(FPDF_PAGEOBJ_IMAGE, FPDFPageObj_GetType(obj));
|
|
// Check that the raw image data has the correct length and hash value.
|
unsigned long len = FPDFImageObj_GetImageDataRaw(obj, nullptr, 0);
|
std::vector<char> buf(len);
|
EXPECT_EQ(4091u, FPDFImageObj_GetImageDataRaw(obj, buf.data(), len));
|
EXPECT_EQ("f73802327d2e88e890f653961bcda81a",
|
GenerateMD5Base16(reinterpret_cast<uint8_t*>(buf.data()), len));
|
|
// Check that the decoded image data has the correct length and hash value.
|
len = FPDFImageObj_GetImageDataDecoded(obj, nullptr, 0);
|
buf.clear();
|
buf.resize(len);
|
EXPECT_EQ(28776u, FPDFImageObj_GetImageDataDecoded(obj, buf.data(), len));
|
EXPECT_EQ("cb3637934bb3b95a6e4ae1ea9eb9e56e",
|
GenerateMD5Base16(reinterpret_cast<uint8_t*>(buf.data()), len));
|
|
// Retrieve an image obejct with DCTDecode-encoded data stream.
|
obj = FPDFPage_GetObject(page, 37);
|
ASSERT_EQ(FPDF_PAGEOBJ_IMAGE, FPDFPageObj_GetType(obj));
|
|
// Check that the raw image data has the correct length and hash value.
|
len = FPDFImageObj_GetImageDataRaw(obj, nullptr, 0);
|
buf.clear();
|
buf.resize(len);
|
EXPECT_EQ(4370u, FPDFImageObj_GetImageDataRaw(obj, buf.data(), len));
|
EXPECT_EQ("6aae1f3710335023a9e12191be66b64b",
|
GenerateMD5Base16(reinterpret_cast<uint8_t*>(buf.data()), len));
|
|
// Check that the decoded image data has the correct length and hash value,
|
// which should be the same as those of the raw data, since this image is
|
// encoded by a single DCTDecode filter and decoding is a noop.
|
len = FPDFImageObj_GetImageDataDecoded(obj, nullptr, 0);
|
buf.clear();
|
buf.resize(len);
|
EXPECT_EQ(4370u, FPDFImageObj_GetImageDataDecoded(obj, buf.data(), len));
|
EXPECT_EQ("6aae1f3710335023a9e12191be66b64b",
|
GenerateMD5Base16(reinterpret_cast<uint8_t*>(buf.data()), len));
|
|
UnloadPage(page);
|
}
|
|
TEST_F(FPDFEditEmbeddertest, DestroyPageObject) {
|
FPDF_PAGEOBJECT rect = FPDFPageObj_CreateNewRect(10, 10, 20, 20);
|
ASSERT_TRUE(rect);
|
|
// There should be no memory leaks with a call to FPDFPageObj_Destroy().
|
FPDFPageObj_Destroy(rect);
|
}
|
|
TEST_F(FPDFEditEmbeddertest, GetImageFilters) {
|
EXPECT_TRUE(OpenDocument("embedded_images.pdf"));
|
FPDF_PAGE page = LoadPage(0);
|
ASSERT_TRUE(page);
|
|
// Verify that retrieving the filter of a non-image object would fail.
|
FPDF_PAGEOBJECT obj = FPDFPage_GetObject(page, 32);
|
ASSERT_NE(FPDF_PAGEOBJ_IMAGE, FPDFPageObj_GetType(obj));
|
ASSERT_EQ(0, FPDFImageObj_GetImageFilterCount(obj));
|
EXPECT_EQ(0u, FPDFImageObj_GetImageFilter(obj, 0, nullptr, 0));
|
|
// Verify the returned filter string for an image object with a single filter.
|
obj = FPDFPage_GetObject(page, 33);
|
ASSERT_EQ(FPDF_PAGEOBJ_IMAGE, FPDFPageObj_GetType(obj));
|
ASSERT_EQ(1, FPDFImageObj_GetImageFilterCount(obj));
|
unsigned long len = FPDFImageObj_GetImageFilter(obj, 0, nullptr, 0);
|
std::vector<char> buf(len);
|
static constexpr char kFlateDecode[] = "FlateDecode";
|
EXPECT_EQ(sizeof(kFlateDecode),
|
FPDFImageObj_GetImageFilter(obj, 0, buf.data(), len));
|
EXPECT_STREQ(kFlateDecode, buf.data());
|
EXPECT_EQ(0u, FPDFImageObj_GetImageFilter(obj, 1, nullptr, 0));
|
|
// Verify all the filters for an image object with a list of filters.
|
obj = FPDFPage_GetObject(page, 38);
|
ASSERT_EQ(FPDF_PAGEOBJ_IMAGE, FPDFPageObj_GetType(obj));
|
ASSERT_EQ(2, FPDFImageObj_GetImageFilterCount(obj));
|
len = FPDFImageObj_GetImageFilter(obj, 0, nullptr, 0);
|
buf.clear();
|
buf.resize(len);
|
static constexpr char kASCIIHexDecode[] = "ASCIIHexDecode";
|
EXPECT_EQ(sizeof(kASCIIHexDecode),
|
FPDFImageObj_GetImageFilter(obj, 0, buf.data(), len));
|
EXPECT_STREQ(kASCIIHexDecode, buf.data());
|
|
len = FPDFImageObj_GetImageFilter(obj, 1, nullptr, 0);
|
buf.clear();
|
buf.resize(len);
|
static constexpr char kDCTDecode[] = "DCTDecode";
|
EXPECT_EQ(sizeof(kDCTDecode),
|
FPDFImageObj_GetImageFilter(obj, 1, buf.data(), len));
|
EXPECT_STREQ(kDCTDecode, buf.data());
|
|
UnloadPage(page);
|
}
|
|
TEST_F(FPDFEditEmbeddertest, GetImageMetadata) {
|
ASSERT_TRUE(OpenDocument("embedded_images.pdf"));
|
FPDF_PAGE page = LoadPage(0);
|
ASSERT_TRUE(page);
|
|
// Check that getting the metadata of a null object would fail.
|
FPDF_IMAGEOBJ_METADATA metadata;
|
EXPECT_FALSE(FPDFImageObj_GetImageMetadata(nullptr, page, &metadata));
|
|
// Check that receiving the metadata with a null metadata object would fail.
|
FPDF_PAGEOBJECT obj = FPDFPage_GetObject(page, 35);
|
EXPECT_FALSE(FPDFImageObj_GetImageMetadata(obj, page, nullptr));
|
|
// Check that when retrieving an image object's metadata without passing in
|
// |page|, all values are correct, with the last two being default values.
|
ASSERT_EQ(FPDF_PAGEOBJ_IMAGE, FPDFPageObj_GetType(obj));
|
ASSERT_TRUE(FPDFImageObj_GetImageMetadata(obj, nullptr, &metadata));
|
EXPECT_EQ(7, metadata.marked_content_id);
|
EXPECT_EQ(92u, metadata.width);
|
EXPECT_EQ(68u, metadata.height);
|
EXPECT_NEAR(96.000000, metadata.horizontal_dpi, 0.001);
|
EXPECT_NEAR(96.000000, metadata.vertical_dpi, 0.001);
|
EXPECT_EQ(0u, metadata.bits_per_pixel);
|
EXPECT_EQ(FPDF_COLORSPACE_UNKNOWN, metadata.colorspace);
|
|
// Verify the metadata of a bitmap image with indexed colorspace.
|
ASSERT_TRUE(FPDFImageObj_GetImageMetadata(obj, page, &metadata));
|
EXPECT_EQ(7, metadata.marked_content_id);
|
EXPECT_EQ(92u, metadata.width);
|
EXPECT_EQ(68u, metadata.height);
|
EXPECT_NEAR(96.000000, metadata.horizontal_dpi, 0.001);
|
EXPECT_NEAR(96.000000, metadata.vertical_dpi, 0.001);
|
EXPECT_EQ(1u, metadata.bits_per_pixel);
|
EXPECT_EQ(FPDF_COLORSPACE_INDEXED, metadata.colorspace);
|
|
// Verify the metadata of an image with RGB colorspace.
|
obj = FPDFPage_GetObject(page, 37);
|
ASSERT_EQ(FPDF_PAGEOBJ_IMAGE, FPDFPageObj_GetType(obj));
|
ASSERT_TRUE(FPDFImageObj_GetImageMetadata(obj, page, &metadata));
|
EXPECT_EQ(9, metadata.marked_content_id);
|
EXPECT_EQ(126u, metadata.width);
|
EXPECT_EQ(106u, metadata.height);
|
EXPECT_NEAR(162.173752, metadata.horizontal_dpi, 0.001);
|
EXPECT_NEAR(162.555878, metadata.vertical_dpi, 0.001);
|
EXPECT_EQ(24u, metadata.bits_per_pixel);
|
EXPECT_EQ(FPDF_COLORSPACE_DEVICERGB, metadata.colorspace);
|
|
UnloadPage(page);
|
}
|
