fpdf_formfill.cpp | Explore in Territory

// Copyright 2014 The PDFium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com

#include "public/fpdf_formfill.h"

#include <memory>
#include <utility>

#include "constants/form_fields.h"
#include "core/fpdfapi/page/cpdf_annotcontext.h"
#include "core/fpdfapi/page/cpdf_occontext.h"
#include "core/fpdfapi/page/cpdf_page.h"
#include "core/fpdfapi/parser/cpdf_dictionary.h"
#include "core/fpdfapi/parser/cpdf_document.h"
#include "core/fpdfapi/parser/cpdf_stream.h"
#include "core/fpdfapi/render/cpdf_renderoptions.h"
#include "core/fpdfdoc/cpdf_formcontrol.h"
#include "core/fpdfdoc/cpdf_formfield.h"
#include "core/fpdfdoc/cpdf_interactiveform.h"
#include "core/fxge/cfx_defaultrenderdevice.h"
#include "core/fxge/dib/cfx_dibitmap.h"
#include "fpdfsdk/cpdfsdk_annot.h"
#include "fpdfsdk/cpdfsdk_formfillenvironment.h"
#include "fpdfsdk/cpdfsdk_helpers.h"
#include "fpdfsdk/cpdfsdk_interactiveform.h"
#include "fpdfsdk/cpdfsdk_pageview.h"
#include "public/fpdfview.h"
#include "third_party/abseil-cpp/absl/types/variant.h"

#ifdef PDF_ENABLE_XFA
#include "fpdfsdk/fpdfxfa/cpdfxfa_context.h"
#include "fpdfsdk/fpdfxfa/cpdfxfa_page.h"
#endif  // PDF_ENABLE_XFA

#if defined(PDF_USE_SKIA)
class SkCanvas;
#endif  // defined(PDF_USE_SKIA)

#ifdef PDF_ENABLE_XFA
static_assert …;
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#endif  // PDF_ENABLE_XFA

static_assert …;
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#ifdef PDF_ENABLE_XFA
static_assert …;
static_assert …;
static_assert …;
static_assert …;
static_assert …;
static_assert …;
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static_assert …;
#endif  // PDF_ENABLE_XFA
static_assert …;

static_assert …;
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namespace {

CPDFSDK_PageView* FormHandleToPageView(FPDF_FORMHANDLE hHandle,
                                       FPDF_PAGE fpdf_page) { … }

#if defined(PDF_USE_SKIA)
BitmapOrCanvas;
#else
using BitmapOrCanvas = absl::variant<CFX_DIBitmap*>;
#endif

// `dest` must be non-null.
void FFLCommon(FPDF_FORMHANDLE hHandle,
               FPDF_PAGE fpdf_page,
               BitmapOrCanvas dest,
               int start_x,
               int start_y,
               int size_x,
               int size_y,
               int rotate,
               int flags) { … }

// Returns true if formfill version is correctly set. See |version| in
// FPDF_FORMFILLINFO for details regarding correct version.
bool CheckFormfillVersion(FPDF_FORMFILLINFO* formInfo) { … }

}  // namespace

FPDF_EXPORT int FPDF_CALLCONV
FPDFPage_HasFormFieldAtPoint(FPDF_FORMHANDLE hHandle,
                             FPDF_PAGE page,
                             double page_x,
                             double page_y) { … }

FPDF_EXPORT int FPDF_CALLCONV
FPDFPage_FormFieldZOrderAtPoint(FPDF_FORMHANDLE hHandle,
                                FPDF_PAGE page,
                                double page_x,
                                double page_y) { … }

FPDF_EXPORT FPDF_FORMHANDLE FPDF_CALLCONV
FPDFDOC_InitFormFillEnvironment(FPDF_DOCUMENT document,
                                FPDF_FORMFILLINFO* formInfo) { … }

FPDF_EXPORT void FPDF_CALLCONV
FPDFDOC_ExitFormFillEnvironment(FPDF_FORMHANDLE hHandle) { … }

FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV FORM_OnMouseMove(FPDF_FORMHANDLE hHandle,
                                                     FPDF_PAGE page,
                                                     int modifier,
                                                     double page_x,
                                                     double page_y) { … }

FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV
FORM_OnMouseWheel(FPDF_FORMHANDLE hHandle,
                  FPDF_PAGE page,
                  int modifier,
                  const FS_POINTF* page_coord,
                  int delta_x,
                  int delta_y) { … }

FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV FORM_OnFocus(FPDF_FORMHANDLE hHandle,
                                                 FPDF_PAGE page,
                                                 int modifier,
                                                 double page_x,
                                                 double page_y) { … }

FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV FORM_OnLButtonDown(FPDF_FORMHANDLE hHandle,
                                                       FPDF_PAGE page,
                                                       int modifier,
                                                       double page_x,
                                                       double page_y) { … }

FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV FORM_OnLButtonUp(FPDF_FORMHANDLE hHandle,
                                                     FPDF_PAGE page,
                                                     int modifier,
                                                     double page_x,
                                                     double page_y) { … }

FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV
FORM_OnLButtonDoubleClick(FPDF_FORMHANDLE hHandle,
                          FPDF_PAGE page,
                          int modifier,
                          double page_x,
                          double page_y) { … }

FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV FORM_OnRButtonDown(FPDF_FORMHANDLE hHandle,
                                                       FPDF_PAGE page,
                                                       int modifier,
                                                       double page_x,
                                                       double page_y) { … }

FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV FORM_OnRButtonUp(FPDF_FORMHANDLE hHandle,
                                                     FPDF_PAGE page,
                                                     int modifier,
                                                     double page_x,
                                                     double page_y) { … }

FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV FORM_OnKeyDown(FPDF_FORMHANDLE hHandle,
                                                   FPDF_PAGE page,
                                                   int nKeyCode,
                                                   int modifier) { … }

FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV FORM_OnKeyUp(FPDF_FORMHANDLE hHandle,
                                                 FPDF_PAGE page,
                                                 int nKeyCode,
                                                 int modifier) { … }

FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV FORM_OnChar(FPDF_FORMHANDLE hHandle,
                                                FPDF_PAGE page,
                                                int nChar,
                                                int modifier) { … }

FPDF_EXPORT unsigned long FPDF_CALLCONV
FORM_GetFocusedText(FPDF_FORMHANDLE hHandle,
                    FPDF_PAGE page,
                    void* buffer,
                    unsigned long buflen) { … }

FPDF_EXPORT unsigned long FPDF_CALLCONV
FORM_GetSelectedText(FPDF_FORMHANDLE hHandle,
                     FPDF_PAGE page,
                     void* buffer,
                     unsigned long buflen) { … }

FPDF_EXPORT void FPDF_CALLCONV
FORM_ReplaceAndKeepSelection(FPDF_FORMHANDLE hHandle,
                             FPDF_PAGE page,
                             FPDF_WIDESTRING wsText) { … }

FPDF_EXPORT void FPDF_CALLCONV FORM_ReplaceSelection(FPDF_FORMHANDLE hHandle,
                                                     FPDF_PAGE page,
                                                     FPDF_WIDESTRING wsText) { … }

FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV FORM_SelectAllText(FPDF_FORMHANDLE hHandle,
                                                       FPDF_PAGE page) { … }

FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV FORM_CanUndo(FPDF_FORMHANDLE hHandle,
                                                 FPDF_PAGE page) { … }

FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV FORM_CanRedo(FPDF_FORMHANDLE hHandle,
                                                 FPDF_PAGE page) { … }

FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV FORM_Undo(FPDF_FORMHANDLE hHandle,
                                              FPDF_PAGE page) { … }

FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV FORM_Redo(FPDF_FORMHANDLE hHandle,
                                              FPDF_PAGE page) { … }

FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV
FORM_ForceToKillFocus(FPDF_FORMHANDLE hHandle) { … }

FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV
FORM_GetFocusedAnnot(FPDF_FORMHANDLE handle,
                     int* page_index,
                     FPDF_ANNOTATION* annot) { … }

FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV
FORM_SetFocusedAnnot(FPDF_FORMHANDLE handle, FPDF_ANNOTATION annot) { … }

FPDF_EXPORT void FPDF_CALLCONV FPDF_FFLDraw(FPDF_FORMHANDLE hHandle,
                                            FPDF_BITMAP bitmap,
                                            FPDF_PAGE page,
                                            int start_x,
                                            int start_y,
                                            int size_x,
                                            int size_y,
                                            int rotate,
                                            int flags) { … }

#if defined(PDF_USE_SKIA)
FPDF_EXPORT void FPDF_CALLCONV FPDF_FFLDrawSkia(FPDF_FORMHANDLE hHandle,
                                                FPDF_SKIA_CANVAS canvas,
                                                FPDF_PAGE page,
                                                int start_x,
                                                int start_y,
                                                int size_x,
                                                int size_y,
                                                int rotate,
                                                int flags) { … }
#endif  // defined(PDF_USE_SKIA)

FPDF_EXPORT void FPDF_CALLCONV
FPDF_SetFormFieldHighlightColor(FPDF_FORMHANDLE hHandle,
                                int fieldType,
                                unsigned long color) { … }

FPDF_EXPORT void FPDF_CALLCONV
FPDF_SetFormFieldHighlightAlpha(FPDF_FORMHANDLE hHandle, unsigned char alpha) { … }

FPDF_EXPORT void FPDF_CALLCONV
FPDF_RemoveFormFieldHighlight(FPDF_FORMHANDLE hHandle) { … }

FPDF_EXPORT void FPDF_CALLCONV FORM_OnAfterLoadPage(FPDF_PAGE page,
                                                    FPDF_FORMHANDLE hHandle) { … }

FPDF_EXPORT void FPDF_CALLCONV FORM_OnBeforeClosePage(FPDF_PAGE page,
                                                      FPDF_FORMHANDLE hHandle) { … }

FPDF_EXPORT void FPDF_CALLCONV
FORM_DoDocumentJSAction(FPDF_FORMHANDLE hHandle) { … }

FPDF_EXPORT void FPDF_CALLCONV
FORM_DoDocumentOpenAction(FPDF_FORMHANDLE hHandle) { … }

FPDF_EXPORT void FPDF_CALLCONV FORM_DoDocumentAAction(FPDF_FORMHANDLE hHandle,
                                                      int aaType) { … }

FPDF_EXPORT void FPDF_CALLCONV FORM_DoPageAAction(FPDF_PAGE page,
                                                  FPDF_FORMHANDLE hHandle,
                                                  int aaType) { … }

FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV
FORM_SetIndexSelected(FPDF_FORMHANDLE hHandle,
                      FPDF_PAGE page,
                      int index,
                      FPDF_BOOL selected) { … }

FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV
FORM_IsIndexSelected(FPDF_FORMHANDLE hHandle, FPDF_PAGE page, int index) { … }
chromium/third_party/pdfium/fpdfsdk/fpdf_formfill.cpp
