From be90aaea3977eadeee589cdda66c61d06d6535b0 Mon Sep 17 00:00:00 2001 From: Nicolas Pena Date: Mon, 27 Feb 2017 10:41:41 -0500 Subject: Add public API for creating a Type1 font MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Given a stream of data, we create a type1 font and fill up the required dictionary entries according to PDF spec 1.7. Table 5.8 describes Type 1 font dictionaries, and Table 5.19 describes font descriptors. BUG=pdfium:667 Change-Id: I571b09fb533467d77ed0104e613726387aec1f87 Reviewed-on: https://pdfium-review.googlesource.com/2835 Reviewed-by: dsinclair Commit-Queue: Nicolás Peña --- fpdfsdk/fpdfedit_embeddertest.cpp | 63 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 63 insertions(+) (limited to 'fpdfsdk/fpdfedit_embeddertest.cpp') diff --git a/fpdfsdk/fpdfedit_embeddertest.cpp b/fpdfsdk/fpdfedit_embeddertest.cpp index f877617b49..53554a1822 100644 --- a/fpdfsdk/fpdfedit_embeddertest.cpp +++ b/fpdfsdk/fpdfedit_embeddertest.cpp @@ -5,8 +5,11 @@ #include #include +#include "core/fpdfapi/font/cpdf_font.h" #include "core/fpdfapi/page/cpdf_page.h" +#include "core/fpdfapi/parser/cpdf_array.h" #include "core/fpdfapi/parser/cpdf_dictionary.h" +#include "core/fpdfapi/parser/cpdf_stream.h" #include "core/fxcrt/fx_system.h" #include "fpdfsdk/fsdk_define.h" #include "public/fpdf_edit.h" @@ -440,3 +443,63 @@ TEST_F(FPDFEditEmbeddertest, DoubleGenerating) { FPDF_ClosePage(page); FPDF_CloseDocument(doc); } + +TEST_F(FPDFEditEmbeddertest, Type1Font) { + // Create a new document + FPDF_DOCUMENT doc = FPDF_CreateNewDocument(); + CPDF_Document* document = reinterpret_cast(doc); + + // Get Times New Roman Bold as a Type 1 font + CPDF_Font* times_bold = CPDF_Font::GetStockFont(document, "Times-Bold"); + uint8_t* data = times_bold->m_Font.GetFontData(); + uint32_t size = times_bold->m_Font.GetSize(); + FPDF_FONT font = FPDFText_LoadType1Font(doc, data, size); + ASSERT_TRUE(font); + CPDF_Font* type1_font = reinterpret_cast(font); + EXPECT_TRUE(type1_font->IsType1Font()); + + // Check that the font dictionary has the required keys according to the spec + CPDF_Dictionary* font_dict = type1_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(65532, font_dict->GetIntegerFor("LastChar")); + ASSERT_TRUE(font_dict->KeyExist("Widths")); + CPDF_Array* widths_array = font_dict->GetArrayFor("Widths"); + EXPECT_EQ(65501U, widths_array->GetCount()); + EXPECT_EQ(250, widths_array->GetNumberAt(0)); + EXPECT_EQ(0, widths_array->GetNumberAt(8172)); + EXPECT_EQ(1000, widths_array->GetNumberAt(65500)); + ASSERT_TRUE(font_dict->KeyExist("FontDescriptor")); + CPDF_Dictionary* font_desc = font_dict->GetDictFor("FontDescriptor"); + EXPECT_EQ("FontDescriptor", font_desc->GetStringFor("Type")); + EXPECT_EQ(font_dict->GetStringFor("BaseFont"), + font_desc->GetStringFor("FontName")); + + // Check that the font descriptor has the required keys according to the spec + ASSERT_TRUE(font_desc->KeyExist("Flags")); + int font_flags = font_desc->GetIntegerFor("Flags"); + EXPECT_TRUE(font_flags & FXFONT_BOLD); + EXPECT_TRUE(font_flags & FXFONT_NONSYMBOLIC); + ASSERT_TRUE(font_desc->KeyExist("FontBBox")); + EXPECT_EQ(4U, font_desc->GetArrayFor("FontBBox")->GetCount()); + EXPECT_TRUE(font_desc->KeyExist("ItalicAngle")); + EXPECT_TRUE(font_desc->KeyExist("Ascent")); + EXPECT_TRUE(font_desc->KeyExist("Descent")); + EXPECT_TRUE(font_desc->KeyExist("CapHeight")); + EXPECT_TRUE(font_desc->KeyExist("StemV")); + ASSERT_TRUE(font_desc->KeyExist("FontFile")); + + // Check that the font stream is the one that was provided + CPDF_Stream* font_stream = font_desc->GetStreamFor("FontFile"); + ASSERT_EQ(size, font_stream->GetRawSize()); + uint8_t* stream_data = font_stream->GetRawData(); + for (size_t i = 0; i < size; i++) + EXPECT_EQ(data[i], stream_data[i]); + + // Close document + FPDF_CloseDocument(doc); +} -- cgit v1.2.3