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/*
Popup Plus plugin for Miranda IM
Copyright © 2002 Luca Santarelli,
© 2004-2007 Victor Pavlychko
© 2010 MPK
© 2010 Merlin_de
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.
*/
/* 99% of this code was adopted from clist_modern by FYR */
#include "stdafx.h"
#undef Translate
// fix for old SDK and new GDI+
#define ULONG_PTR unsigned long
#include "gdiplus.h"
DWORD g_gdiplusToken;
bool gbGdiPlusLoaded;
void LoadGDIPlus()
{
Gdiplus::GdiplusStartupInput gdiplusStartupInput;
gbGdiPlusLoaded = false;
__try {
if (g_gdiplusToken == 0)
Gdiplus::GdiplusStartup(&g_gdiplusToken, &gdiplusStartupInput, nullptr);
}
__except (EXCEPTION_EXECUTE_HANDLER)
{
gbGdiPlusLoaded = false;
}
}
void UnloadGDIPlus()
{
Gdiplus::GdiplusStartupInput gdiplusStartupInput;
__try {
if (g_gdiplusToken && gbGdiPlusLoaded)
Gdiplus::GdiplusShutdown(g_gdiplusToken);
}
__except (EXCEPTION_EXECUTE_HANDLER)
{
// do nothing
}
gbGdiPlusLoaded = true;
g_gdiplusToken = 0;
}
using namespace Gdiplus;
/////////////////////////////////////////////////////////////////////////////////
// GDIPlus_IsAnimatedGIF and GDIPlus_ExtractAnimatedGIF
// based on routine from http:// www.codeproject.com/vcpp/gdiplus/imageexgdi.asp
//
HBITMAP SkinEngine_CreateDIB32(int cx, int cy)
{
if (cx < 0 || cy < 0) {
return nullptr;
}
BITMAPINFO RGB32BitsBITMAPINFO;
memset(&RGB32BitsBITMAPINFO, 0, sizeof(BITMAPINFO));
RGB32BitsBITMAPINFO.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
RGB32BitsBITMAPINFO.bmiHeader.biWidth = cx;// bm.bmWidth;
RGB32BitsBITMAPINFO.bmiHeader.biHeight = cy;// bm.bmHeight;
RGB32BitsBITMAPINFO.bmiHeader.biPlanes = 1;
RGB32BitsBITMAPINFO.bmiHeader.biBitCount = 32;
// pointer used for direct Bitmap pixels access
UINT *ptPixels;
HBITMAP DirectBitmap = CreateDIBSection(nullptr, &RGB32BitsBITMAPINFO, DIB_RGB_COLORS, (void **)&ptPixels, nullptr, 0);
if ((DirectBitmap == nullptr || ptPixels == nullptr) && cx != 0 && cy != 0) {
;
}
else {
memset(ptPixels, 0, cx*cy * 4);
}
return DirectBitmap;
}
BOOL GDIPlus_IsAnimatedGIF(wchar_t * szName)
{
int nFrameCount = 0;
Image image(szName);
UINT count = image.GetFrameDimensionsCount();
GUID* pDimensionIDs = new GUID[count];
// Get the list of frame dimensions from the Image object.
image.GetFrameDimensionsList(pDimensionIDs, count);
// Get the number of frames in the first dimension.
nFrameCount = image.GetFrameCount(&pDimensionIDs[0]);
delete[]pDimensionIDs;
return (BOOL)(nFrameCount > 1) && image.GetWidth() && image.GetHeight();
}
void GDIPlus_GetGIFSize(wchar_t *szName, int *width, int *height)
{
Image image(szName);
*width = image.GetWidth();
*height = image.GetHeight();
}
void GDIPlus_ExtractAnimatedGIF(wchar_t *szName, int width, int height, HBITMAP &pBitmap, int* &pframesDelay, int &pframesCount, SIZE &pSizeAvatar)
{
int nFrameCount = 0;
Bitmap image(szName);
PropertyItem * pPropertyItem;
UINT count = 0;
count = image.GetFrameDimensionsCount();
GUID* pDimensionIDs = new GUID[count];
// Get the list of frame dimensions from the Image object.
image.GetFrameDimensionsList(pDimensionIDs, count);
// Get the number of frames in the first dimension.
nFrameCount = image.GetFrameCount(&pDimensionIDs[0]);
// Assume that the image has a property item of type PropertyItemEquipMake.
// Get the size of that property item.
int nSize = image.GetPropertyItemSize(PropertyTagFrameDelay);
// Allocate a buffer to receive the property item.
pPropertyItem = (PropertyItem*)mir_alloc(nSize);
image.GetPropertyItem(PropertyTagFrameDelay, nSize, pPropertyItem);
int clipWidth;
int clipHeight;
int imWidth = image.GetWidth();
int imHeight = image.GetHeight();
float xscale = (float)width / imWidth;
float yscale = (float)height / imHeight;
xscale = min(xscale, yscale);
clipWidth = (int)(xscale*imWidth + .5);
clipHeight = (int)(xscale*imHeight + .5);
HBITMAP hBitmap = SkinEngine_CreateDIB32(clipWidth*nFrameCount, height);
HDC hdc = CreateCompatibleDC(nullptr);
HBITMAP oldBmp = (HBITMAP)SelectObject(hdc, hBitmap);
Graphics graphics(hdc);
ImageAttributes attr;
graphics.SetInterpolationMode(InterpolationModeHighQualityBicubic);
int * delays = (int*)mir_alloc(nFrameCount*sizeof(int));
memset(delays, 0, nFrameCount*sizeof(int));
for (int i = 1; i < nFrameCount + 1; i++) {
GUID pageGuid = FrameDimensionTime;
RectF rect((float)(i - 1)*clipWidth, (float)0, (float)clipWidth, (float)clipHeight);
graphics.DrawImage(&image, rect, (float)0, (float)0, (float)imWidth, (float)imHeight, UnitPixel, &attr, nullptr, nullptr);
image.SelectActiveFrame(&pageGuid, i);
long lPause = ((long*)pPropertyItem->value)[i - 1] * 10;
delays[i - 1] = (int)lPause;
}
SelectObject(hdc, oldBmp);
DeleteDC(hdc);
mir_free(pPropertyItem);
pPropertyItem = nullptr;
delete[]pDimensionIDs;
pBitmap = hBitmap;
pframesDelay = delays;
pframesCount = nFrameCount;
pSizeAvatar.cx = clipWidth;
pSizeAvatar.cy = clipHeight;
GdiFlush();
}
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