fpdf_editpage.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_edit.h"

#include <algorithm>
#include <memory>
#include <utility>
#include <vector>

#include "constants/page_object.h"
#include "core/fpdfapi/edit/cpdf_pagecontentgenerator.h"
#include "core/fpdfapi/page/cpdf_colorspace.h"
#include "core/fpdfapi/page/cpdf_docpagedata.h"
#include "core/fpdfapi/page/cpdf_form.h"
#include "core/fpdfapi/page/cpdf_formobject.h"
#include "core/fpdfapi/page/cpdf_imageobject.h"
#include "core/fpdfapi/page/cpdf_page.h"
#include "core/fpdfapi/page/cpdf_pageimagecache.h"
#include "core/fpdfapi/page/cpdf_pageobject.h"
#include "core/fpdfapi/page/cpdf_pathobject.h"
#include "core/fpdfapi/page/cpdf_shadingobject.h"
#include "core/fpdfapi/page/cpdf_textobject.h"
#include "core/fpdfapi/parser/cpdf_array.h"
#include "core/fpdfapi/parser/cpdf_dictionary.h"
#include "core/fpdfapi/parser/cpdf_document.h"
#include "core/fpdfapi/parser/cpdf_name.h"
#include "core/fpdfapi/parser/cpdf_number.h"
#include "core/fpdfapi/parser/cpdf_string.h"
#include "core/fpdfapi/render/cpdf_docrenderdata.h"
#include "core/fpdfdoc/cpdf_annot.h"
#include "core/fpdfdoc/cpdf_annotlist.h"
#include "core/fxcrt/compiler_specific.h"
#include "core/fxcrt/fx_extension.h"
#include "core/fxcrt/fx_memcpy_wrappers.h"
#include "core/fxcrt/numerics/safe_conversions.h"
#include "core/fxcrt/span.h"
#include "core/fxcrt/span_util.h"
#include "core/fxcrt/stl_util.h"
#include "fpdfsdk/cpdfsdk_helpers.h"
#include "public/fpdf_formfill.h"

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

namespace {

static_assert …;
static_assert …;
static_assert …;
static_assert …;
static_assert …;

bool IsPageObject(CPDF_Page* pPage) { … }

void CalcBoundingBox(CPDF_PageObject* pPageObj) { … }

RetainPtr<CPDF_Dictionary> GetMarkParamDict(FPDF_PAGEOBJECTMARK mark) { … }

RetainPtr<CPDF_Dictionary> GetOrCreateMarkParamsDict(FPDF_DOCUMENT document,
                                                     FPDF_PAGEOBJECTMARK mark) { … }

bool PageObjectContainsMark(CPDF_PageObject* pPageObj,
                            FPDF_PAGEOBJECTMARK mark) { … }

CPDF_FormObject* CPDFFormObjectFromFPDFPageObject(FPDF_PAGEOBJECT page_object) { … }

const CPDF_PageObjectHolder* CPDFPageObjHolderFromFPDFFormObject(
    FPDF_PAGEOBJECT page_object) { … }

}  // namespace

FPDF_EXPORT FPDF_DOCUMENT FPDF_CALLCONV FPDF_CreateNewDocument() { … }

FPDF_EXPORT void FPDF_CALLCONV FPDFPage_Delete(FPDF_DOCUMENT document,
                                               int page_index) { … }

FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV
FPDF_MovePages(FPDF_DOCUMENT document,
               const int* page_indices,
               unsigned long page_indices_len,
               int dest_page_index) { … }

FPDF_EXPORT FPDF_PAGE FPDF_CALLCONV FPDFPage_New(FPDF_DOCUMENT document,
                                                 int page_index,
                                                 double width,
                                                 double height) { … }

FPDF_EXPORT int FPDF_CALLCONV FPDFPage_GetRotation(FPDF_PAGE page) { … }

FPDF_EXPORT void FPDF_CALLCONV
FPDFPage_InsertObject(FPDF_PAGE page, FPDF_PAGEOBJECT page_object) { … }

FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV
FPDFPage_RemoveObject(FPDF_PAGE page, FPDF_PAGEOBJECT page_object) { … }

FPDF_EXPORT int FPDF_CALLCONV FPDFPage_CountObjects(FPDF_PAGE page) { … }

FPDF_EXPORT FPDF_PAGEOBJECT FPDF_CALLCONV FPDFPage_GetObject(FPDF_PAGE page,
                                                             int index) { … }

FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV FPDFPage_HasTransparency(FPDF_PAGE page) { … }

FPDF_EXPORT void FPDF_CALLCONV
FPDFPageObj_Destroy(FPDF_PAGEOBJECT page_object) { … }

FPDF_EXPORT int FPDF_CALLCONV
FPDFPageObj_GetMarkedContentID(FPDF_PAGEOBJECT page_object) { … }

FPDF_EXPORT int FPDF_CALLCONV
FPDFPageObj_CountMarks(FPDF_PAGEOBJECT page_object) { … }

FPDF_EXPORT FPDF_PAGEOBJECTMARK FPDF_CALLCONV
FPDFPageObj_GetMark(FPDF_PAGEOBJECT page_object, unsigned long index) { … }

FPDF_EXPORT FPDF_PAGEOBJECTMARK FPDF_CALLCONV
FPDFPageObj_AddMark(FPDF_PAGEOBJECT page_object, FPDF_BYTESTRING name) { … }

FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV
FPDFPageObj_RemoveMark(FPDF_PAGEOBJECT page_object, FPDF_PAGEOBJECTMARK mark) { … }

FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV
FPDFPageObjMark_GetName(FPDF_PAGEOBJECTMARK mark,
                        void* buffer,
                        unsigned long buflen,
                        unsigned long* out_buflen) { … }

FPDF_EXPORT int FPDF_CALLCONV
FPDFPageObjMark_CountParams(FPDF_PAGEOBJECTMARK mark) { … }

FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV
FPDFPageObjMark_GetParamKey(FPDF_PAGEOBJECTMARK mark,
                            unsigned long index,
                            void* buffer,
                            unsigned long buflen,
                            unsigned long* out_buflen) { … }

FPDF_EXPORT FPDF_OBJECT_TYPE FPDF_CALLCONV
FPDFPageObjMark_GetParamValueType(FPDF_PAGEOBJECTMARK mark,
                                  FPDF_BYTESTRING key) { … }

FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV
FPDFPageObjMark_GetParamIntValue(FPDF_PAGEOBJECTMARK mark,
                                 FPDF_BYTESTRING key,
                                 int* out_value) { … }

FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV
FPDFPageObjMark_GetParamStringValue(FPDF_PAGEOBJECTMARK mark,
                                    FPDF_BYTESTRING key,
                                    void* buffer,
                                    unsigned long buflen,
                                    unsigned long* out_buflen) { … }

FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV
FPDFPageObjMark_GetParamBlobValue(FPDF_PAGEOBJECTMARK mark,
                                  FPDF_BYTESTRING key,
                                  void* buffer,
                                  unsigned long buflen,
                                  unsigned long* out_buflen) { … }

FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV
FPDFPageObj_HasTransparency(FPDF_PAGEOBJECT page_object) { … }

FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV
FPDFPageObjMark_SetIntParam(FPDF_DOCUMENT document,
                            FPDF_PAGEOBJECT page_object,
                            FPDF_PAGEOBJECTMARK mark,
                            FPDF_BYTESTRING key,
                            int value) { … }

FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV
FPDFPageObjMark_SetStringParam(FPDF_DOCUMENT document,
                               FPDF_PAGEOBJECT page_object,
                               FPDF_PAGEOBJECTMARK mark,
                               FPDF_BYTESTRING key,
                               FPDF_BYTESTRING value) { … }

FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV
FPDFPageObjMark_SetBlobParam(FPDF_DOCUMENT document,
                             FPDF_PAGEOBJECT page_object,
                             FPDF_PAGEOBJECTMARK mark,
                             FPDF_BYTESTRING key,
                             void* value,
                             unsigned long value_len) { … }

FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV
FPDFPageObjMark_RemoveParam(FPDF_PAGEOBJECT page_object,
                            FPDF_PAGEOBJECTMARK mark,
                            FPDF_BYTESTRING key) { … }

FPDF_EXPORT int FPDF_CALLCONV FPDFPageObj_GetType(FPDF_PAGEOBJECT page_object) { … }

FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV FPDFPage_GenerateContent(FPDF_PAGE page) { … }

FPDF_EXPORT void FPDF_CALLCONV
FPDFPageObj_Transform(FPDF_PAGEOBJECT page_object,
                      double a,
                      double b,
                      double c,
                      double d,
                      double e,
                      double f) { … }

FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV
FPDFPageObj_TransformF(FPDF_PAGEOBJECT page_object, const FS_MATRIX* matrix) { … }

FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV
FPDFPageObj_GetMatrix(FPDF_PAGEOBJECT page_object, FS_MATRIX* matrix) { … }

FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV
FPDFPageObj_SetMatrix(FPDF_PAGEOBJECT page_object, const FS_MATRIX* matrix) { … }

FPDF_EXPORT void FPDF_CALLCONV
FPDFPageObj_SetBlendMode(FPDF_PAGEOBJECT page_object,
                         FPDF_BYTESTRING blend_mode) { … }

FPDF_EXPORT void FPDF_CALLCONV FPDFPage_TransformAnnots(FPDF_PAGE page,
                                                        double a,
                                                        double b,
                                                        double c,
                                                        double d,
                                                        double e,
                                                        double f) { … }

FPDF_EXPORT void FPDF_CALLCONV FPDFPage_SetRotation(FPDF_PAGE page,
                                                    int rotate) { … }

FPDF_BOOL FPDFPageObj_SetFillColor(FPDF_PAGEOBJECT page_object,
                                   unsigned int R,
                                   unsigned int G,
                                   unsigned int B,
                                   unsigned int A) { … }

FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV
FPDFPageObj_GetFillColor(FPDF_PAGEOBJECT page_object,
                         unsigned int* R,
                         unsigned int* G,
                         unsigned int* B,
                         unsigned int* A) { … }

FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV
FPDFPageObj_GetBounds(FPDF_PAGEOBJECT page_object,
                      float* left,
                      float* bottom,
                      float* right,
                      float* top) { … }

FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV
FPDFPageObj_GetRotatedBounds(FPDF_PAGEOBJECT page_object,
                             FS_QUADPOINTSF* quad_points) { … }

FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV
FPDFPageObj_SetStrokeColor(FPDF_PAGEOBJECT page_object,
                           unsigned int R,
                           unsigned int G,
                           unsigned int B,
                           unsigned int A) { … }

FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV
FPDFPageObj_GetStrokeColor(FPDF_PAGEOBJECT page_object,
                           unsigned int* R,
                           unsigned int* G,
                           unsigned int* B,
                           unsigned int* A) { … }

FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV
FPDFPageObj_SetStrokeWidth(FPDF_PAGEOBJECT page_object, float width) { … }

FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV
FPDFPageObj_GetStrokeWidth(FPDF_PAGEOBJECT page_object, float* width) { … }

FPDF_EXPORT int FPDF_CALLCONV
FPDFPageObj_GetLineJoin(FPDF_PAGEOBJECT page_object) { … }

FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV
FPDFPageObj_SetLineJoin(FPDF_PAGEOBJECT page_object, int line_join) { … }

FPDF_EXPORT int FPDF_CALLCONV
FPDFPageObj_GetLineCap(FPDF_PAGEOBJECT page_object) { … }

FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV
FPDFPageObj_SetLineCap(FPDF_PAGEOBJECT page_object, int line_cap) { … }

FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV
FPDFPageObj_GetDashPhase(FPDF_PAGEOBJECT page_object, float* phase) { … }

FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV
FPDFPageObj_SetDashPhase(FPDF_PAGEOBJECT page_object, float phase) { … }

FPDF_EXPORT int FPDF_CALLCONV
FPDFPageObj_GetDashCount(FPDF_PAGEOBJECT page_object) { … }

FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV
FPDFPageObj_GetDashArray(FPDF_PAGEOBJECT page_object,
                         float* dash_array,
                         size_t dash_count) { … }

FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV
FPDFPageObj_SetDashArray(FPDF_PAGEOBJECT page_object,
                         const float* dash_array,
                         size_t dash_count,
                         float phase) { … }

FPDF_EXPORT int FPDF_CALLCONV
FPDFFormObj_CountObjects(FPDF_PAGEOBJECT form_object) { … }

FPDF_EXPORT FPDF_PAGEOBJECT FPDF_CALLCONV
FPDFFormObj_GetObject(FPDF_PAGEOBJECT form_object, unsigned long index) { … }
chromium/third_party/pdfium/fpdfsdk/fpdf_editpage.cpp
