Files
itgmania212121/src/archutils/Win32/WindowIcon.cpp
T
Jason Felds 28e5148dec The big NULL replacement party part 5.
Right. ' = NULL' would get a lot of these.
2013-05-03 23:39:52 -04:00

131 lines
3.7 KiB
C++

#include "global.h"
#include "archutils/Win32/WindowIcon.h"
#include "RageLog.h"
#include "RageUtil.h"
#include "RageSurface.h"
#include "RageSurfaceUtils.h"
#include "RageSurface_Load.h"
#include "archutils/Win32/ErrorStrings.h"
#include <wingdi.h>
HICON IconFromSurface( const RageSurface *pSrcImg )
{
RageSurface *pImg;
{
/* Round the width up to a multiple of 8, convert to 32-bit BGR, and reduce
* to one-bit alpha. */
int iWidth = pSrcImg->w;
iWidth = (iWidth+7) & ~7;
pImg = CreateSurface( iWidth, pSrcImg->h, 32,
0x00FF0000,
0x0000FF00,
0x000000FF,
0xFF000000 );
RageSurfaceUtils::Blit( pSrcImg, pImg );
}
RageSurfaceUtils::FlipVertically( pImg );
int iSize = sizeof(BITMAPINFOHEADER);
int iSizeImage = 0;
iSizeImage += pImg->h * pImg->pitch; /* image */
iSizeImage += (pImg->h * pImg->w) / 8; /* mask */
BITMAPINFOHEADER *pBitmap = (BITMAPINFOHEADER *) malloc( iSize + iSizeImage );
memset( pBitmap, 0, iSize + iSizeImage );
pBitmap->biSize = sizeof(BITMAPINFOHEADER);
pBitmap->biWidth = pImg->w;
pBitmap->biHeight = pImg->h * 2;
pBitmap->biPlanes = 1;
pBitmap->biBitCount = 32;
pBitmap->biCompression = BI_RGB;
pBitmap->biSizeImage = pImg->h * pImg->pitch;
uint8_t *pImage = ((uint8_t *) pBitmap) + iSize;
uint8_t *pMask = pImage + pImg->h * pImg->pitch;
memcpy( pImage, pImg->pixels, pImg->h * pImg->pitch );
int iMaskPitch = pImg->w/8;
for( int y = 0; y < pImg->h; ++y )
{
int bit = 0x80;
uint32_t *pRow = (uint32_t *) (pImage + y*pImg->pitch);
uint8_t *pMaskRow = pMask + y*iMaskPitch;
for( int x = 0; x < pImg->w; ++x )
{
if( !(pRow[x] & pImg->fmt.Mask[3]) )
{
/* Transparent; set this mask bit. */
*pMaskRow |= bit;
pRow[x] = 0;
}
bit >>= 1;
if( bit == 0 )
{
bit = 0x80;
++pMaskRow;
}
}
}
HICON icon = CreateIconFromResourceEx( (BYTE *) pBitmap, iSize + iSizeImage, TRUE, 0x00030000, pImg->w, pImg->h, LR_DEFAULTCOLOR );
delete pImg;
pImg = nullptr;
free( pBitmap );
if( icon == nullptr )
{
LOG->Trace( "%s", werr_ssprintf( GetLastError(), "CreateIconFromResourceEx" ).c_str() );
return nullptr;
}
return icon;
}
HICON IconFromFile( const RString &sIconFile )
{
RString sError;
RageSurface *pImg = RageSurfaceUtils::LoadFile( sIconFile, sError );
if( pImg == nullptr )
{
LOG->Warn( "Couldn't open icon \"%s\": %s", sIconFile.c_str(), sError.c_str() );
return nullptr;
}
HICON icon = IconFromSurface( pImg );
delete pImg;
return icon;
}
/*
* (c) 2004 Glenn Maynard
* All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, and/or sell copies of the Software, and to permit persons to
* whom the Software is furnished to do so, provided that the above
* copyright notice(s) and this permission notice appear in all copies of
* the Software and that both the above copyright notice(s) and this
* permission notice appear in supporting documentation.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF
* THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS
* INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT
* OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
* OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/