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-rw-r--r--core/fpdfapi/edit/cpdf_pagecontentgenerator.cpp27
-rw-r--r--core/fpdfapi/edit/cpdf_pagecontentgenerator.h11
-rw-r--r--core/fpdfapi/edit/cpdf_pagecontentgenerator_unittest.cpp32
3 files changed, 36 insertions, 34 deletions
diff --git a/core/fpdfapi/edit/cpdf_pagecontentgenerator.cpp b/core/fpdfapi/edit/cpdf_pagecontentgenerator.cpp
index 2f00c7db09..e06c28d7ae 100644
--- a/core/fpdfapi/edit/cpdf_pagecontentgenerator.cpp
+++ b/core/fpdfapi/edit/cpdf_pagecontentgenerator.cpp
@@ -28,7 +28,7 @@
namespace {
-CFX_ByteTextBuf& operator<<(CFX_ByteTextBuf& ar, const CFX_Matrix& matrix) {
+std::ostream& operator<<(std::ostream& ar, const CFX_Matrix& matrix) {
ar << matrix.a << " " << matrix.b << " " << matrix.c << " " << matrix.d << " "
<< matrix.e << " " << matrix.f;
return ar;
@@ -61,7 +61,7 @@ CPDF_PageContentGenerator::~CPDF_PageContentGenerator() {}
void CPDF_PageContentGenerator::GenerateContent() {
CPDF_Document* pDoc = m_pDocument.Get();
- CFX_ByteTextBuf buf;
+ std::ostringstream buf;
if (!ProcessPageObjects(&buf))
return;
@@ -69,7 +69,8 @@ void CPDF_PageContentGenerator::GenerateContent() {
CPDF_Object* pContent =
pPageDict ? pPageDict->GetObjectFor("Contents") : nullptr;
CPDF_Stream* pStream = pDoc->NewIndirect<CPDF_Stream>();
- pStream->SetData(buf.GetBuffer(), buf.GetLength());
+ pStream->SetData(reinterpret_cast<const uint8_t*>(buf.str().c_str()),
+ buf.tellp());
if (pContent) {
CPDF_Array* pArray = ToArray(pContent);
if (pArray) {
@@ -133,7 +134,7 @@ CFX_ByteString CPDF_PageContentGenerator::RealizeResource(
return name;
}
-bool CPDF_PageContentGenerator::ProcessPageObjects(CFX_ByteTextBuf* buf) {
+bool CPDF_PageContentGenerator::ProcessPageObjects(std::ostringstream* buf) {
bool bDirty = false;
for (auto& pPageObj : m_pageObjects) {
if (!pPageObj->IsDirty())
@@ -150,7 +151,7 @@ bool CPDF_PageContentGenerator::ProcessPageObjects(CFX_ByteTextBuf* buf) {
return bDirty;
}
-void CPDF_PageContentGenerator::ProcessImage(CFX_ByteTextBuf* buf,
+void CPDF_PageContentGenerator::ProcessImage(std::ostringstream* buf,
CPDF_ImageObject* pImageObj) {
if ((pImageObj->matrix().a == 0 && pImageObj->matrix().b == 0) ||
(pImageObj->matrix().c == 0 && pImageObj->matrix().d == 0)) {
@@ -175,7 +176,7 @@ void CPDF_PageContentGenerator::ProcessImage(CFX_ByteTextBuf* buf,
if (bWasInline)
pImageObj->SetImage(m_pDocument->GetPageData()->GetImage(dwObjNum));
- *buf << "/" << PDF_NameEncode(name) << " Do Q\n";
+ *buf << "/" << PDF_NameEncode(name).c_str() << " Do Q\n";
}
// Processing path with operators from Tables 4.9 and 4.10 of PDF spec 1.7:
@@ -189,7 +190,7 @@ void CPDF_PageContentGenerator::ProcessImage(CFX_ByteTextBuf* buf,
// Path painting operators: "S", "n", "B", "f", "B*", "f*", depending on
// the filling mode and whether we want stroking the path or not.
// "Q" restores the graphics state imposed by the ProcessGraphics method.
-void CPDF_PageContentGenerator::ProcessPath(CFX_ByteTextBuf* buf,
+void CPDF_PageContentGenerator::ProcessPath(std::ostringstream* buf,
CPDF_PathObject* pPathObj) {
ProcessGraphics(buf, pPathObj);
auto& pPoints = pPathObj->m_Path.GetPoints();
@@ -242,7 +243,7 @@ void CPDF_PageContentGenerator::ProcessPath(CFX_ByteTextBuf* buf,
// "w" sets the stroke line width.
// "ca" sets the fill alpha, "CA" sets the stroke alpha.
// "q" saves the graphics state, so that the settings can later be reversed
-void CPDF_PageContentGenerator::ProcessGraphics(CFX_ByteTextBuf* buf,
+void CPDF_PageContentGenerator::ProcessGraphics(std::ostringstream* buf,
CPDF_PageObject* pPageObj) {
*buf << "q ";
float fillColor[3];
@@ -297,14 +298,14 @@ void CPDF_PageContentGenerator::ProcessGraphics(CFX_ByteTextBuf* buf,
name = RealizeResource(dwObjNum, "ExtGState");
m_pPage->m_GraphicsMap[graphD] = name;
}
- *buf << "/" << PDF_NameEncode(name) << " gs ";
+ *buf << "/" << PDF_NameEncode(name).c_str() << " gs ";
}
// This method adds text to the buffer, BT begins the text object, ET ends it.
// Tm sets the text matrix (allows positioning and transforming text).
// Tf sets the font name (from Font in Resources) and font size.
// Tj sets the actual text, <####...> is used when specifying charcodes.
-void CPDF_PageContentGenerator::ProcessText(CFX_ByteTextBuf* buf,
+void CPDF_PageContentGenerator::ProcessText(std::ostringstream* buf,
CPDF_TextObject* pTextObj) {
*buf << "BT " << pTextObj->GetTextMatrix() << " Tm ";
CPDF_Font* pFont = pTextObj->GetFont();
@@ -338,14 +339,14 @@ void CPDF_PageContentGenerator::ProcessText(CFX_ByteTextBuf* buf,
dictName = RealizeResource(dwObjNum, "Font");
m_pPage->m_FontsMap[fontD] = dictName;
}
- *buf << "/" << PDF_NameEncode(dictName) << " " << pTextObj->GetFontSize()
- << " Tf ";
+ *buf << "/" << PDF_NameEncode(dictName).c_str() << " "
+ << pTextObj->GetFontSize() << " Tf ";
CFX_ByteString text;
for (uint32_t charcode : pTextObj->m_CharCodes) {
if (charcode != CPDF_Font::kInvalidCharCode)
pFont->AppendChar(&text, charcode);
}
ProcessGraphics(buf, pTextObj);
- *buf << PDF_EncodeString(text, true) << " Tj ET";
+ *buf << PDF_EncodeString(text, true).c_str() << " Tj ET";
*buf << " Q\n";
}
diff --git a/core/fpdfapi/edit/cpdf_pagecontentgenerator.h b/core/fpdfapi/edit/cpdf_pagecontentgenerator.h
index 302375d536..19a2faa6bf 100644
--- a/core/fpdfapi/edit/cpdf_pagecontentgenerator.h
+++ b/core/fpdfapi/edit/cpdf_pagecontentgenerator.h
@@ -7,6 +7,7 @@
#ifndef CORE_FPDFAPI_EDIT_CPDF_PAGECONTENTGENERATOR_H_
#define CORE_FPDFAPI_EDIT_CPDF_PAGECONTENTGENERATOR_H_
+#include <sstream>
#include <vector>
#include "core/fxcrt/cfx_unowned_ptr.h"
@@ -30,11 +31,11 @@ class CPDF_PageContentGenerator {
private:
friend class CPDF_PageContentGeneratorTest;
- bool ProcessPageObjects(CFX_ByteTextBuf* buf);
- void ProcessPath(CFX_ByteTextBuf* buf, CPDF_PathObject* pPathObj);
- void ProcessImage(CFX_ByteTextBuf* buf, CPDF_ImageObject* pImageObj);
- void ProcessGraphics(CFX_ByteTextBuf* buf, CPDF_PageObject* pPageObj);
- void ProcessText(CFX_ByteTextBuf* buf, CPDF_TextObject* pTextObj);
+ bool ProcessPageObjects(std::ostringstream* buf);
+ void ProcessPath(std::ostringstream* buf, CPDF_PathObject* pPathObj);
+ void ProcessImage(std::ostringstream* buf, CPDF_ImageObject* pImageObj);
+ void ProcessGraphics(std::ostringstream* buf, CPDF_PageObject* pPageObj);
+ void ProcessText(std::ostringstream* buf, CPDF_TextObject* pTextObj);
CFX_ByteString RealizeResource(uint32_t dwResourceObjNum,
const CFX_ByteString& bsType);
diff --git a/core/fpdfapi/edit/cpdf_pagecontentgenerator_unittest.cpp b/core/fpdfapi/edit/cpdf_pagecontentgenerator_unittest.cpp
index 8368e8de7c..91389eef5f 100644
--- a/core/fpdfapi/edit/cpdf_pagecontentgenerator_unittest.cpp
+++ b/core/fpdfapi/edit/cpdf_pagecontentgenerator_unittest.cpp
@@ -26,7 +26,7 @@ class CPDF_PageContentGeneratorTest : public testing::Test {
}
void TestProcessPath(CPDF_PageContentGenerator* pGen,
- CFX_ByteTextBuf* buf,
+ std::ostringstream* buf,
CPDF_PathObject* pPathObj) {
pGen->ProcessPath(buf, pPathObj);
}
@@ -38,7 +38,7 @@ class CPDF_PageContentGeneratorTest : public testing::Test {
}
void TestProcessText(CPDF_PageContentGenerator* pGen,
- CFX_ByteTextBuf* buf,
+ std::ostringstream* buf,
CPDF_TextObject* pTextObj) {
pGen->ProcessText(buf, pTextObj);
}
@@ -52,9 +52,9 @@ TEST_F(CPDF_PageContentGeneratorTest, ProcessRect) {
auto pTestPage = pdfium::MakeUnique<CPDF_Page>(nullptr, nullptr, false);
CPDF_PageContentGenerator generator(pTestPage.get());
- CFX_ByteTextBuf buf;
+ std::ostringstream buf;
TestProcessPath(&generator, &buf, pPathObj.get());
- EXPECT_EQ("q 10 5 3 25 re B* Q\n", buf.MakeString());
+ EXPECT_EQ("q 10 5 3 25 re B* Q\n", CFX_ByteString(buf));
pPathObj = pdfium::MakeUnique<CPDF_PathObject>();
pPathObj->m_Path.AppendPoint(CFX_PointF(0, 0), FXPT_TYPE::MoveTo, false);
@@ -64,10 +64,10 @@ TEST_F(CPDF_PageContentGeneratorTest, ProcessRect) {
pPathObj->m_Path.AppendPoint(CFX_PointF(0, 3.78f), FXPT_TYPE::LineTo, true);
pPathObj->m_FillType = 0;
pPathObj->m_bStroke = false;
- buf.Clear();
+ buf.str("");
TestProcessPath(&generator, &buf, pPathObj.get());
- EXPECT_EQ("q 0 0 5.2 3.78 re n Q\n", buf.MakeString());
+ EXPECT_EQ("q 0 0 5.2 3.78 re n Q\n", CFX_ByteString(buf));
}
TEST_F(CPDF_PageContentGeneratorTest, ProcessPath) {
@@ -96,12 +96,12 @@ TEST_F(CPDF_PageContentGeneratorTest, ProcessPath) {
auto pTestPage = pdfium::MakeUnique<CPDF_Page>(nullptr, nullptr, false);
CPDF_PageContentGenerator generator(pTestPage.get());
- CFX_ByteTextBuf buf;
+ std::ostringstream buf;
TestProcessPath(&generator, &buf, pPathObj.get());
EXPECT_EQ(
"q 3.102 4.67 m 5.45 0.29 l 4.24 3.15 4.65 2.98 3.456 0.24 c 10.6 11.15 "
"l 11 12.5 l 11.46 12.67 11.84 12.96 12 13.64 c h f Q\n",
- buf.MakeString());
+ CFX_ByteString(buf));
}
TEST_F(CPDF_PageContentGeneratorTest, ProcessGraphics) {
@@ -126,9 +126,9 @@ TEST_F(CPDF_PageContentGeneratorTest, ProcessGraphics) {
CPDF_Dictionary* pPageDict = pDoc->CreateNewPage(0);
auto pTestPage = pdfium::MakeUnique<CPDF_Page>(pDoc.get(), pPageDict, false);
CPDF_PageContentGenerator generator(pTestPage.get());
- CFX_ByteTextBuf buf;
+ std::ostringstream buf;
TestProcessPath(&generator, &buf, pPathObj.get());
- CFX_ByteString pathString = buf.MakeString();
+ CFX_ByteString pathString(buf);
// Color RGB values used are integers divided by 255.
EXPECT_EQ("q 0.501961 0.701961 0.34902 rg 1 0.901961 0 RG /",
@@ -143,9 +143,9 @@ TEST_F(CPDF_PageContentGeneratorTest, ProcessGraphics) {
// Same path, now with a stroke.
pPathObj->m_GraphState.SetLineWidth(10.5f);
- buf.Clear();
+ buf.str("");
TestProcessPath(&generator, &buf, pPathObj.get());
- CFX_ByteString pathString2 = buf.MakeString();
+ CFX_ByteString pathString2(buf);
EXPECT_EQ("q 0.501961 0.701961 0.34902 rg 1 0.901961 0 RG 10.5 w /",
pathString2.Left(55));
EXPECT_EQ(" gs 1 2 m 3 4 l 5 6 l h B Q\n", pathString2.Right(28));
@@ -177,9 +177,9 @@ TEST_F(CPDF_PageContentGeneratorTest, ProcessStandardText) {
pTextObj->m_GeneralState.SetStrokeAlpha(0.8f);
pTextObj->Transform(CFX_Matrix(1, 0, 0, 1, 100, 100));
pTextObj->SetText("Hello World");
- CFX_ByteTextBuf buf;
+ std::ostringstream buf;
TestProcessText(&generator, &buf, pTextObj.get());
- CFX_ByteString textString = buf.MakeString();
+ CFX_ByteString textString(buf);
int firstResourceAt = textString.Find('/') + 1;
int secondResourceAt = textString.ReverseFind('/') + 1;
CFX_ByteString firstString = textString.Left(firstResourceAt);
@@ -221,7 +221,7 @@ TEST_F(CPDF_PageContentGeneratorTest, ProcessText) {
auto pTestPage = pdfium::MakeUnique<CPDF_Page>(pDoc.get(), pPageDict, false);
CPDF_PageContentGenerator generator(pTestPage.get());
- CFX_ByteTextBuf buf;
+ std::ostringstream buf;
{
// Set the text object font and text
auto pTextObj = pdfium::MakeUnique<CPDF_TextObject>();
@@ -245,7 +245,7 @@ TEST_F(CPDF_PageContentGeneratorTest, ProcessText) {
TestProcessText(&generator, &buf, pTextObj.get());
}
- CFX_ByteString textString = buf.MakeString();
+ CFX_ByteString textString(buf);
int firstResourceAt = textString.Find('/') + 1;
CFX_ByteString firstString = textString.Left(firstResourceAt);
CFX_ByteString lastString =
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-06 01:33:30 +0000