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/*
Miranda NG: the free IM client for Microsoft* Windows*
Copyright (ñ) 2012-15 Miranda NG project (http://miranda-ng.org),
Copyright (c) 2000-12 Miranda IM project,
all portions of this codebase are copyrighted to the people
listed in contributors.txt.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "..\..\core\commonheaders.h"
#include <olectl.h>
#include "m_png.h"
#include "m_imgsrvc.h"
static INT_PTR sttBitmapLoader(const TCHAR* ptszFileName)
{
IPicture *pic;
HBITMAP hBmp, hBmpCopy;
HBITMAP hOldBitmap, hOldBitmap2;
BITMAP bmpInfo;
HDC hdc, hdcMem1, hdcMem2;
short picType;
TCHAR szFilename[MAX_PATH];
if (!PathToAbsoluteT(ptszFileName, szFilename))
_tcsncpy_s(szFilename, ptszFileName, _TRUNCATE);
size_t filenameLen = mir_tstrlen(szFilename);
if (filenameLen > 4) {
TCHAR* pszExt = szFilename + filenameLen - 4;
if (ServiceExists(MS_IMG_LOAD))
return CallService(MS_IMG_LOAD, (WPARAM)szFilename, IMGL_TCHAR);
if (!mir_tstrcmpi(pszExt, _T(".bmp")) || !mir_tstrcmpi(pszExt, _T(".rle"))) {
//LoadImage can do this much faster
return (INT_PTR)LoadImage(hInst, szFilename, IMAGE_BITMAP, 0, 0, LR_LOADFROMFILE);
}
if (!mir_tstrcmpi(pszExt, _T(".png"))) {
HANDLE hFile, hMap = NULL;
BYTE* ppMap = NULL;
INT_PTR cbFileSize = 0;
BITMAPINFOHEADER* pDib;
BYTE* pDibBits;
if (!ServiceExists(MS_PNG2DIB)) {
MessageBox(NULL, TranslateT("You need an image services plugin to process PNG images."), TranslateT("Error"), MB_OK);
return 0;
}
if ((hFile = CreateFile(szFilename, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, NULL)) != INVALID_HANDLE_VALUE)
if ((hMap = CreateFileMapping(hFile, NULL, PAGE_READONLY, 0, 0, NULL)) != NULL)
if ((ppMap = (BYTE*)MapViewOfFile(hMap, FILE_MAP_READ, 0, 0, 0)) != NULL)
cbFileSize = GetFileSize(hFile, NULL);
if (cbFileSize != 0) {
PNG2DIB param;
param.pSource = ppMap;
param.cbSourceSize = cbFileSize;
param.pResult = &pDib;
if (CallService(MS_PNG2DIB, 0, (LPARAM)¶m)) {
pDibBits = (BYTE*)(pDib+1);
HDC sDC = GetDC(NULL);
HBITMAP hBitmap = CreateDIBitmap(sDC, pDib, CBM_INIT, pDibBits, (BITMAPINFO*)pDib, DIB_PAL_COLORS);
SelectObject(sDC, hBitmap);
ReleaseDC(NULL, sDC);
GlobalFree(pDib);
cbFileSize = (INT_PTR)hBitmap;
}
else cbFileSize = 0;
}
if (ppMap != NULL) UnmapViewOfFile(ppMap);
if (hMap != NULL) CloseHandle(hMap);
if (hFile != NULL) CloseHandle(hFile);
return (INT_PTR)cbFileSize;
} }
if (S_OK != OleLoadPicturePath(LPOLESTR(szFilename), NULL, 0, 0, IID_IPicture, (PVOID*)&pic))
return 0;
pic->get_Type(&picType);
if (picType != PICTYPE_BITMAP) {
pic->Release();
return 0;
}
OLE_HANDLE hOleBmp;
pic->get_Handle(&hOleBmp);
hBmp = (HBITMAP)hOleBmp;
GetObject(hBmp, sizeof(bmpInfo), &bmpInfo);
//need to copy bitmap so we can free the IPicture
hdc = GetDC(NULL);
hdcMem1 = CreateCompatibleDC(hdc);
hdcMem2 = CreateCompatibleDC(hdc);
hOldBitmap = (HBITMAP)SelectObject(hdcMem1, hBmp);
hBmpCopy = CreateCompatibleBitmap(hdcMem1, bmpInfo.bmWidth, bmpInfo.bmHeight);
hOldBitmap2 = (HBITMAP)SelectObject(hdcMem2, hBmpCopy);
BitBlt(hdcMem2, 0, 0, bmpInfo.bmWidth, bmpInfo.bmHeight, hdcMem1, 0, 0, SRCCOPY);
SelectObject(hdcMem1, hOldBitmap);
SelectObject(hdcMem2, hOldBitmap2);
DeleteDC(hdcMem2);
DeleteDC(hdcMem1);
ReleaseDC(NULL, hdc);
DeleteObject(hBmp);
pic->Release();
return (INT_PTR)hBmpCopy;
}
static INT_PTR BmpFilterLoadBitmap(WPARAM, LPARAM lParam)
{
return sttBitmapLoader(_A2T((const char*)lParam));
}
static INT_PTR BmpFilterLoadBitmapW(WPARAM, LPARAM lParam)
{
return sttBitmapLoader((const wchar_t*)lParam);
}
///////////////////////////////////////////////////////////////////////////////////////////////////
int InitBitmapFilter(void)
{
CreateServiceFunction(MS_UTILS_LOADBITMAP, BmpFilterLoadBitmap);
CreateServiceFunction(MS_UTILS_LOADBITMAPW, BmpFilterLoadBitmapW);
return 0;
}
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