Add public API for adding text with standard fonts

BUG=pdfium:667

Change-Id: I05e301385a7af4b6ce27dc0b885e23646abf3dd9
Reviewed-on: https://pdfium-review.googlesource.com/2711
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Reviewed-by: dsinclair <dsinclair@chromium.org>

1 files changed, 38 insertions, 0 deletions

diff --git a/fpdfsdk/fpdfedittext.cpp b/fpdfsdk/fpdfedittext.cpp
new file mode 100644
index 0000000000..79ca310f7c
--- /dev/null
+++ b/fpdfsdk/fpdfedittext.cpp
@@ -0,0 +1,38 @@
+// Copyright 2017 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "public/fpdf_edit.h"
+
+#include "core/fpdfapi/cpdf_modulemgr.h"
+#include "core/fpdfapi/font/cpdf_font.h"
+#include "core/fpdfapi/page/cpdf_textobject.h"
+#include "fpdfsdk/fsdk_define.h"
+
+DLLEXPORT FPDF_PAGEOBJECT STDCALL FPDFPageObj_NewTextObj(FPDF_DOCUMENT document,
+                                                         FPDF_BYTESTRING font,
+                                                         float font_size) {
+  CPDF_Document* pDoc = CPDFDocumentFromFPDFDocument(document);
+  if (!pDoc)
+    return nullptr;
+
+  CPDF_Font* pFont = CPDF_Font::GetStockFont(pDoc, CFX_ByteStringC(font));
+  if (!pFont)
+    return nullptr;
+
+  CPDF_TextObject* pTextObj = new CPDF_TextObject;
+  pTextObj->m_TextState.SetFont(pFont);
+  pTextObj->m_TextState.SetFontSize(font_size);
+  pTextObj->DefaultStates();
+  return pTextObj;
+}
+
+DLLEXPORT FPDF_BOOL STDCALL FPDFText_SetText(FPDF_PAGEOBJECT text_object,
+                                             FPDF_BYTESTRING text) {
+  if (!text_object)
+    return false;
+
+  auto pTextObj = reinterpret_cast<CPDF_TextObject*>(text_object);
+  pTextObj->SetText(CFX_ByteString(text));
+  return true;
+}
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