external/pdfium/0010-svx-support-importing-forms-from-PDFs.patch.2

   1 From 636f92aac24f0accfbce910c9153d5479e097e5f Mon Sep 17 00:00:00 2001
   2 From: Ashod Nakashian <ashod.nakashian@collabora.co.uk>
   3 Date: Tue, 5 Jun 2018 11:34:38 +0200
   4 Subject: [PATCH 10/14] svx: support importing forms from PDFs
   5
   6 ---
   7  pdfium/fpdfsdk/cpdfsdk_helpers.h |  5 +++++
   8  pdfium/fpdfsdk/fpdf_editpage.cpp | 30 ++++++++++++++++++++++++++++++
   9  pdfium/public/fpdf_edit.h        | 17 +++++++++++++++++
  10  3 files changed, 52 insertions(+)
  11
  12 diff --git a/pdfium/fpdfsdk/cpdfsdk_helpers.h b/pdfium/fpdfsdk/cpdfsdk_helpers.h
  13 index 13362cf..477bb74 100644
  14 --- a/pdfium/fpdfsdk/cpdfsdk_helpers.h
  15 +++ b/pdfium/fpdfsdk/cpdfsdk_helpers.h
  16 @@ -209,6 +209,11 @@ inline CPDF_TextObject* CPDFTextObjectFromFPDFPageObject(
  17    return reinterpret_cast<CPDF_TextObject*>(page_object);
  18  }
  19
  20 +inline CPDF_FormObject* CPDFFormObjectFromFPDFPageObject(
  21 +    FPDF_PAGEOBJECT page_object) {
  22 +  return reinterpret_cast<CPDF_FormObject*>(page_object);
  23 +}
  24 +
  25  ByteString CFXByteStringFromFPDFWideString(FPDF_WIDESTRING wide_string);
  26
  27  #ifdef PDF_ENABLE_XFA
  28 diff --git a/pdfium/fpdfsdk/fpdf_editpage.cpp b/pdfium/fpdfsdk/fpdf_editpage.cpp
  29 index 9c353a4..bf68250 100644
  30 --- a/pdfium/fpdfsdk/fpdf_editpage.cpp
  31 +++ b/pdfium/fpdfsdk/fpdf_editpage.cpp
  32 @@ -780,3 +780,33 @@ FPDFTextObj_GetColor(FPDF_PAGEOBJECT text_object,
  33
  34    return true;
  35  }
  36 +
  37 +FPDF_EXPORT int FPDF_CALLCONV
  38 +FPDFFormObj_CountSubObjects(FPDF_PAGEOBJECT form_object)
  39 +{
  40 +  CPDF_FormObject* pFrmObj = CPDFFormObjectFromFPDFPageObject(form_object);
  41 +  if (pFrmObj)
  42 +  {
  43 +    const CPDF_PageObjectList* pObjectList = pFrmObj->form()->GetPageObjectList();
  44 +    if (pObjectList)
  45 +        return pObjectList->size();
  46 +  }
  47 +
  48 +  return 0;
  49 +}
  50 +
  51 +FPDF_EXPORT FPDF_PAGEOBJECT FPDF_CALLCONV
  52 +FPDFFormObj_GetSubObject(FPDF_PAGEOBJECT form_object, int index)
  53 +{
  54 +  CPDF_FormObject* pFrmObj = CPDFFormObjectFromFPDFPageObject(form_object);
  55 +  if (pFrmObj)
  56 +  {
  57 +    const CFX_Matrix& matrix = pFrmObj->form_matrix();
  58 +    fprintf(stderr, "Form matrix a: %f, b: %f, c: %f, d: %f, e: %f, f: %f\n", matrix.a, matrix.b, matrix.c, matrix.d, matrix.e, matrix.f);
  59 +    const CPDF_PageObjectList* pObjectList = pFrmObj->form()->GetPageObjectList();
  60 +    if (pObjectList)
  61 +        return pObjectList->GetPageObjectByIndex(index);
  62 +  }
  63 +
  64 +  return nullptr;
  65 +}
  66 diff --git a/pdfium/public/fpdf_edit.h b/pdfium/public/fpdf_edit.h
  67 index 4264ccd..ca76954 100644
  68 --- a/pdfium/public/fpdf_edit.h
  69 +++ b/pdfium/public/fpdf_edit.h
  70 @@ -1081,6 +1081,23 @@ FPDFTextObj_GetColor(FPDF_PAGEOBJECT text_object,
  71                       unsigned int* B,
  72                       unsigned int* A);
  73
  74 +// Get number of page objects inside the form object.
  75 +//
  76 +// form_object - Handle to a form object. Returned by FPDFPage_GetObject.
  77 +// Return value:
  78 +// The number of the page objects.
  79 +FPDF_EXPORT int FPDF_CALLCONV
  80 +FPDFFormObj_CountSubObjects(FPDF_PAGEOBJECT form_object);
  81 +
  82 +// Get the page object from a form object.
  83 +//
  84 +// form_object - Handle to a form object. Returned by FPDFPage_GetObject.
  85 +// index - The index of a page object.
  86 +// Return value:
  87 +// The handle of the page object. Null for failed.
  88 +FPDF_EXPORT FPDF_PAGEOBJECT FPDF_CALLCONV
  89 +FPDFFormObj_GetSubObject(FPDF_PAGEOBJECT form_object, int index);
  90 +
  91  #ifdef __cplusplus
  92  }  // extern "C"
  93  #endif  // __cplusplus
  94 --
  95 2.16.3
  96