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From 99fa46eba9be11aa2bd9ef0e21a126656c932c44 Mon Sep 17 00:00:00 2001
From: Ashod Nakashian <ashod.nakashian@collabora.co.uk>
Date: Tue, 5 Jun 2018 11:27:43 +0200
Subject: [PATCH 01/14] svx: import PDF text using PDFium
---
pdfium/core/fpdfapi/page/cpdf_imageobject.cpp | 1 +
pdfium/core/fpdfapi/page/cpdf_pageobject.cpp | 2 ++
pdfium/core/fpdfapi/render/cpdf_renderstatus.cpp | 1 +
pdfium/fpdfsdk/fpdf_editpage.cpp | 18 ++++++++++++++++++
pdfium/fpdfsdk/fpdf_text.cpp | 22 ++++++++++++++++++++++
pdfium/public/fpdf_edit.h | 15 +++++++++++++++
pdfium/public/fpdf_text.h | 20 ++++++++++++++++++++
7 files changed, 79 insertions(+)
diff --git a/pdfium/core/fpdfapi/page/cpdf_imageobject.cpp b/pdfium/core/fpdfapi/page/cpdf_imageobject.cpp
index 3b5a740..58ef90a 100644
--- a/pdfium/core/fpdfapi/page/cpdf_imageobject.cpp
+++ b/pdfium/core/fpdfapi/page/cpdf_imageobject.cpp
@@ -43,6 +43,7 @@ const CPDF_ImageObject* CPDF_ImageObject::AsImage() const {
void CPDF_ImageObject::CalcBoundingBox() {
std::tie(m_Left, m_Right, m_Top, m_Bottom) =
m_Matrix.TransformRect(0.f, 1.f, 1.f, 0.f);
+ fprintf(stderr, "Image BB: %f, %f, %f, %f\n", m_Left, m_Right, m_Top, m_Bottom);
}
void CPDF_ImageObject::SetImage(const RetainPtr<CPDF_Image>& pImage) {
diff --git a/pdfium/core/fpdfapi/page/cpdf_pageobject.cpp b/pdfium/core/fpdfapi/page/cpdf_pageobject.cpp
index 8bb5bf5..9b5e2ce 100644
--- a/pdfium/core/fpdfapi/page/cpdf_pageobject.cpp
+++ b/pdfium/core/fpdfapi/page/cpdf_pageobject.cpp
@@ -98,5 +98,7 @@ FX_RECT CPDF_PageObject::GetBBox(const CFX_Matrix* pMatrix) const {
if (pMatrix)
rect = pMatrix->TransformRect(rect);
+ FX_RECT rc = rect.GetOuterRect();
+ fprintf(stderr, "PageObject BB: %f, %f, %f, %f\n", rc.left, rc.right, rc.top, rc.bottom);
return rect.GetOuterRect();
}
diff --git a/pdfium/core/fpdfapi/render/cpdf_renderstatus.cpp b/pdfium/core/fpdfapi/render/cpdf_renderstatus.cpp
index 565be85..87301d3 100644
--- a/pdfium/core/fpdfapi/render/cpdf_renderstatus.cpp
+++ b/pdfium/core/fpdfapi/render/cpdf_renderstatus.cpp
@@ -1767,6 +1767,7 @@ bool CPDF_RenderStatus::ProcessText(CPDF_TextObject* textobj,
return true;
float font_size = textobj->m_TextState.GetFontSize();
+ fprintf(stderr, "Font size: %f, matrix a: %f, b: %f, c: %f, d: %f, e: %f, f: %f\n", font_size, text_matrix.a, text_matrix.b, text_matrix.c, text_matrix.d, text_matrix.e, text_matrix.f);
if (bPattern) {
DrawTextPathWithPattern(textobj, pObj2Device, pFont, font_size,
&text_matrix, bFill, bStroke);
diff --git a/pdfium/fpdfsdk/fpdf_editpage.cpp b/pdfium/fpdfsdk/fpdf_editpage.cpp
index ec29891..912df63 100644
--- a/pdfium/fpdfsdk/fpdf_editpage.cpp
+++ b/pdfium/fpdfsdk/fpdf_editpage.cpp
@@ -18,6 +18,7 @@
#include "core/fpdfapi/page/cpdf_page.h"
#include "core/fpdfapi/page/cpdf_pageobject.h"
#include "core/fpdfapi/page/cpdf_pathobject.h"
+#include "core/fpdfapi/page/cpdf_textobject.h"
#include "core/fpdfapi/page/cpdf_shadingobject.h"
#include "core/fpdfapi/parser/cpdf_array.h"
#include "core/fpdfapi/parser/cpdf_document.h"
@@ -624,3 +625,20 @@ FPDFPageObj_SetLineCap(FPDF_PAGEOBJECT page_object, int line_cap) {
pPageObj->SetDirty(true);
return true;
}
+
+FPDF_EXPORT void FPDF_CALLCONV
+FPDFTextObj_GetMatrix(FPDF_PAGEOBJECT text_object,
+ double* a,
+ double* b,
+ double* c,
+ double* d) {
+ if (!text_object)
+ return;
+
+ CPDF_TextObject* pTxtObj = static_cast<CPDF_TextObject*>(text_object);
+ const CFX_Matrix& matrix = pTxtObj->GetTextMatrix();
+ *a = matrix.a;
+ *b = matrix.b;
+ *c = matrix.c;
+ *d = matrix.d;
+}
diff --git a/pdfium/fpdfsdk/fpdf_text.cpp b/pdfium/fpdfsdk/fpdf_text.cpp
index a1bbbb4..01b74c9 100644
--- a/pdfium/fpdfsdk/fpdf_text.cpp
+++ b/pdfium/fpdfsdk/fpdf_text.cpp
@@ -95,6 +95,28 @@ FPDF_EXPORT double FPDF_CALLCONV FPDFText_GetFontSize(FPDF_TEXTPAGE text_page,
return charinfo.m_FontSize;
}
+FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV FPDFText_GetMatrix(FPDF_TEXTPAGE text_page,
+ int index,
+ double* a,
+ double* b,
+ double* c,
+ double* d) {
+ if (!text_page || index < 0)
+ return false;
+
+ CPDF_TextPage* textpage = CPDFTextPageFromFPDFTextPage(text_page);
+ if (index >= textpage->CountChars())
+ return false;
+
+ FPDF_CHAR_INFO charinfo;
+ textpage->GetCharInfo(index, &charinfo);
+ *a = charinfo.m_Matrix.a;
+ *b = charinfo.m_Matrix.b;
+ *c = charinfo.m_Matrix.c;
+ *d = charinfo.m_Matrix.d;
+ return true;
+}
+
FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV FPDFText_GetCharBox(FPDF_TEXTPAGE text_page,
int index,
double* left,
diff --git a/pdfium/public/fpdf_edit.h b/pdfium/public/fpdf_edit.h
index c0766a3..3f45495 100644
--- a/pdfium/public/fpdf_edit.h
+++ b/pdfium/public/fpdf_edit.h
@@ -971,6 +971,21 @@ FPDFPageObj_CreateTextObj(FPDF_DOCUMENT document,
FPDF_FONT font,
float font_size);
+// Get the matrix of a particular text object.
+//
+// text_object - Handle of text object returned by FPDFPageObj_NewTextObj
+// or FPDFPageObj_NewTextObjEx.
+// a - Pointer to a double value receiving coefficient "a" of the matrix.
+// b - Pointer to a double value receiving coefficient "b" of the matrix.
+// c - Pointer to a double value receiving coefficient "c" of the matrix.
+// d - Pointer to a double value receiving coefficient "d" of the matrix.
+FPDF_EXPORT void FPDF_CALLCONV
+FPDFTextObj_GetMatrix(FPDF_PAGEOBJECT text_object,
+ double* a,
+ double* b,
+ double* c,
+ double* d);
+
#ifdef __cplusplus
} // extern "C"
#endif // __cplusplus
diff --git a/pdfium/public/fpdf_text.h b/pdfium/public/fpdf_text.h
index 3502337..6524cd3 100644
--- a/pdfium/public/fpdf_text.h
+++ b/pdfium/public/fpdf_text.h
@@ -342,6 +342,26 @@ FPDF_EXPORT int FPDF_CALLCONV FPDFText_GetSchCount(FPDF_SCHHANDLE handle);
//
FPDF_EXPORT void FPDF_CALLCONV FPDFText_FindClose(FPDF_SCHHANDLE handle);
+// Get the matrix of a particular character.
+//
+// text_page - Handle to a text page information structure.
+// Returned by FPDFText_LoadPage function.
+// index - Zero-based index of the character
+// a - Pointer to a double value receiving coefficient "a" of the matrix.
+// b - Pointer to a double value receiving coefficient "b" of the matrix.
+// c - Pointer to a double value receiving coefficient "c" of the matrix.
+// d - Pointer to a double value receiving coefficient "d" of the matrix.
+//
+// Return Value:
+// On success, return TRUE and fill in |a|, |b|, |c|, and |d|
+FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV
+FPDFText_GetMatrix(FPDF_TEXTPAGE text_page,
+ int index,
+ double* a,
+ double* b,
+ double* c,
+ double* d);
+
// Function: FPDFLink_LoadWebLinks
// Prepare information about weblinks in a page.
// Parameters:
--
2.16.3
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