fpdfsdk/src/fpdfeditimg.cpp

// Copyright 2014 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.

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

#include "../../public/fpdf_edit.h"
#include "../include/fsdk_define.h"
#include "../include/fpdfxfa/fpdfxfa_doc.h"
#include "../include/fpdfxfa/fpdfxfa_page.h"

DLLEXPORT FPDF_PAGEOBJECT STDCALL FPDFPageObj_NewImgeObj(FPDF_DOCUMENT document)
{
	if (!document)
		return NULL;
	CPDF_ImageObject* pImageObj = FX_NEW CPDF_ImageObject;
	CPDF_Image* pImg = FX_NEW CPDF_Image(((CPDFXFA_Document *)document)->GetPDFDoc());
	pImageObj->m_pImage = pImg;
	return pImageObj;
}

DLLEXPORT FPDF_BOOL STDCALL FPDFImageObj_LoadJpegFile(FPDF_PAGE* pages, int nCount,FPDF_PAGEOBJECT image_object, FPDF_FILEACCESS* fileAccess)
{
	if (!image_object || !fileAccess || !pages)
		return FALSE;

	IFX_FileRead* pFile = FX_NEW CPDF_CustomAccess(fileAccess);

	CPDF_ImageObject* pImgObj = (CPDF_ImageObject*)image_object;
	pImgObj->m_GeneralState.GetModify();
	for (int index=0;index<nCount;index++)
	{
		CPDF_Page* pPage = ((CPDFXFA_Page*)pages[index])->GetPDFPage();
		if (!pPage)
			continue;
		pImgObj->m_pImage->ResetCache(pPage,NULL);
	}
	pImgObj->m_pImage->SetJpegImage(pFile);

	return TRUE;
}


DLLEXPORT FPDF_BOOL STDCALL FPDFImageObj_SetMatrix	(FPDF_PAGEOBJECT image_object,
												 double a, double b, double c, double d, double e, double f)
{
	if (!image_object)
		return FALSE;
	CPDF_ImageObject* pImgObj = (CPDF_ImageObject*)image_object;
	pImgObj->m_Matrix.a = (FX_FLOAT)a;
	pImgObj->m_Matrix.b = (FX_FLOAT)b;
	pImgObj->m_Matrix.c = (FX_FLOAT)c;
	pImgObj->m_Matrix.d = (FX_FLOAT)d;
	pImgObj->m_Matrix.e = (FX_FLOAT)e;
	pImgObj->m_Matrix.f = (FX_FLOAT)f;
	pImgObj->CalcBoundingBox();
	return  TRUE;
}

DLLEXPORT FPDF_BOOL STDCALL FPDFImageObj_SetBitmap(FPDF_PAGE* pages,int nCount,FPDF_PAGEOBJECT image_object,FPDF_BITMAP bitmap)
{
	if (!image_object || !bitmap || !pages)
		return FALSE;
	CFX_DIBitmap* pBmp = NULL;
	pBmp = (CFX_DIBitmap*)bitmap;
	CPDF_ImageObject* pImgObj = (CPDF_ImageObject*)image_object;
	pImgObj->m_GeneralState.GetModify();
	for (int index=0;index<nCount;index++)
	{
		CPDF_Page* pPage = ((CPDFXFA_Page*)pages[index])->GetPDFPage();
		if (!pPage) continue;
		pImgObj->m_pImage->ResetCache(pPage,NULL);
	}
	pImgObj->m_pImage->SetImage(pBmp,FALSE);
	pImgObj->CalcBoundingBox();
	return TRUE;
}