/*
*Copyright (C) 1994-2000 The XFree86 Project, Inc. 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, sublicense, and/or sell copies of the Software, and to
*permit persons to whom the Software is furnished to do so, subject to
*the following conditions:
*
*The above copyright notice and this permission notice shall be
*included in all copies or substantial portions of the Software.
*
*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. IN NO EVENT SHALL THE XFREE86 PROJECT BE LIABLE FOR
*ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
*CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
*WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*Except as contained in this notice, the name of the XFree86 Project
*shall not be used in advertising or otherwise to promote the sale, use
*or other dealings in this Software without prior written authorization
*from the XFree86 Project.
*
* Authors: Earle F. Philhower, III
*/
#ifdef HAVE_XWIN_CONFIG_H
#include <xwin-config.h>
#endif
#include "win.h"
#include "dixevents.h"
#include "winmultiwindowclass.h"
#include "winprefs.h"
/*
* External global variables
*/
extern HICON g_hIconX;
extern HICON g_hSmallIconX;
/*
* Prototypes for local functions
*/
static void
winScaleXBitmapToWindows (int iconSize, int effBPP,
PixmapPtr pixmap, unsigned char *image);
/*
* Scale an X icon bitmap into a Windoze icon bitmap
*/
static void
winScaleXBitmapToWindows (int iconSize,
int effBPP,
PixmapPtr pixmap,
unsigned char *image)
{
int row, column, effXBPP, effXDepth;
unsigned char *outPtr;
unsigned char *iconData = 0;
int stride, xStride;
float factX, factY;
int posX, posY;
unsigned char *ptr;
unsigned int zero;
unsigned int color;
effXBPP = BitsPerPixel(pixmap->drawable.depth);
effXDepth = pixmap->drawable.depth;
if (pixmap->drawable.bitsPerPixel == 15)
effXBPP = 16;
if (pixmap->drawable.depth == 15)
effXDepth = 16;
/* Need 32-bit aligned rows */
stride = ((iconSize * effBPP + 31) & (~31)) / 8;
xStride = PixmapBytePad (pixmap->drawable.width, pixmap->drawable.depth);
if (stride == 0 || xStride == 0)
{
ErrorF ("winScaleXBitmapToWindows - stride or xStride is zero. "
"Bailing.\n");
return;
}
/* Allocate memory for icon data */
iconData = malloc (xStride * pixmap->drawable.height);
if (!iconData)
{
ErrorF ("winScaleXBitmapToWindows - malloc failed for iconData. "
"Bailing.\n");
return;
}
/* Get icon data */
miGetImage ((DrawablePtr) &(pixmap->drawable), 0, 0,
pixmap->drawable.width, pixmap->drawable.height,
ZPixmap, 0xffffffff, iconData);
/* Keep aspect ratio */
factX = ((float)pixmap->drawable.width) / ((float)iconSize);
factY = ((float)pixmap->drawable.height) / ((float)iconSize);
if (factX > factY)
factY = factX;
else
factX = factY;
/* Out-of-bounds, fill icon with zero */
zero = 0;
for (row = 0; row < iconSize; row++)
{
outPtr = image + stride * row;
for (column = 0; column < iconSize; column++)
{
posX = factX * column;
posY = factY * row;
ptr = iconData + posY*xStride;
if (effXBPP == 1)
{
ptr += posX / 8;
/* Out of X icon bounds, leave space blank */
if (posX >= pixmap->drawable.width
|| posY >= pixmap->drawable.height)
ptr = (unsigned char *) &zero;
if ((*ptr) & (1 << (posX & 7)))
switch (effBPP)
{
case 32:
*(outPtr++) = 0;
case 24:
*(outPtr++) = 0;
case 16:
*(outPtr++) = 0;
case 8:
*(outPtr++) = 0;
break;
case 1:
outPtr[column / 8] &= ~(1 << (7 - (column & 7)));
break;
}
else
switch (effBPP)
{
case 32:
*(outPtr++) = 255;
*(outPtr++) = 255;
*(outPtr++) = 255;
*(outPtr++) = 0;
break;
case 24:
*(outPtr++) = 255;
case 16:
*(outPtr++) = 255;
case 8:
*(outPtr++) = 255;
break;
case 1:
outPtr[column / 8] |= (1 << (7 - (column & 7)));
break;
}
}
else if (effXDepth == 24 || effXDepth == 32)
{
ptr += posX * (effXBPP / 8);
/* Out of X icon bounds, leave space blank */
if (posX >= pixmap->drawable.width
|| posY >= pixmap->drawable.height)
ptr = (unsigned char *) &zero;
color = (((*ptr) << 16)
+ ((*(ptr + 1)) << 8)
+ ((*(ptr + 2)) << 0));
switch (effBPP)
{
case 32:
*(outPtr++) = *(ptr++); // b
*(outPtr++) = *(ptr++); // g
*(outPtr++) = *(ptr++); // r
*(outPtr++) = 0; // resvd
break;
case 24:
*(outPtr++) = *(ptr++);
*(outPtr++) = *(ptr++);
*(outPtr++) = *(ptr++);
break;
case 16:
color = ((((*ptr) >> 2) << 10)
+ (((*(ptr + 1)) >> 2) << 5)
+ (((*(ptr + 2)) >> 2)));
*(outPtr++) = (color >> 8);
*(outPtr++) = (color & 255);
break;
case 8:
color = (((*ptr))) + (((*(ptr + 1)))) + (((*(ptr + 2))));
color /= 3;
*(outPtr++) = color;
break;
case 1:
if (color)
outPtr[column / 8] |= (1 << (7 - (column & 7)));
else
outPtr[column / 8] &= ~(1 << (7 - (column & 7)));
}
}
else if (effXDepth == 16)
{
ptr += posX * (effXBPP / 8);
/* Out of X icon bounds, leave space blank */
if (posX >= pixmap->drawable.width
|| posY >= pixmap->drawable.height)
ptr = (unsigned char *) &zero;
color = ((*ptr) << 8) + (*(ptr + 1));
switch (effBPP)
{
case 32:
*(outPtr++) = (color & 31) << 2;
*(outPtr++) = ((color >> 5) & 31) << 2;
*(outPtr++) = ((color >> 10) & 31) << 2;
*(outPtr++) = 0; // resvd
break;
case 24:
*(outPtr++) = (color & 31) << 2;
*(outPtr++) = ((color >> 5) & 31) << 2;
*(outPtr++) = ((color >> 10) & 31) << 2;
break;
case 16:
*(outPtr++) = *(ptr++);
*(outPtr++) = *(ptr++);
break;
case 8:
*(outPtr++) = (((color & 31)
+ ((color >> 5) & 31)
+ ((color >> 10) & 31)) / 3) << 2;
break;
case 1:
if (color)
outPtr[column / 8] |= (1 << (7 - (column & 7)));
else
outPtr[column / 8] &= ~(1 << (7 - (column & 7)));
break;
} /* end switch(effbpp) */
} /* end if effxbpp==16) */
} /* end for column */
} /* end for row */
free (iconData);
}
/*
* Attempt to create a custom icon from the WM_HINTS bitmaps
*/
HICON
winXIconToHICON (WindowPtr pWin, int iconSize)
{
unsigned char *mask, *image, *imageMask;
unsigned char *dst, *src;
PixmapPtr iconPtr;
PixmapPtr maskPtr;
int planes, bpp, effBPP, stride, maskStride, i;
HDC hDC;
ICONINFO ii;
WinXWMHints hints;
HICON hIcon;
winMultiWindowGetWMHints (pWin, &hints);
if (!hints.icon_pixmap) return NULL;
iconPtr = (PixmapPtr) LookupIDByType (hints.icon_pixmap, RT_PIXMAP);
if (!iconPtr) return NULL;
hDC = GetDC (GetDesktopWindow ());
planes = GetDeviceCaps (hDC, PLANES);
bpp = GetDeviceCaps (hDC, BITSPIXEL);
ReleaseDC (GetDesktopWindow (), hDC);
/* 15 BPP is really 16BPP as far as we care */
if (bpp == 15)
effBPP = 16;
else
effBPP = bpp;
/* Need 32-bit aligned rows */
stride = ((iconSize * effBPP + 31) & (~31)) / 8;
/* Mask is 1-bit deep */
maskStride = ((iconSize * 1 + 31) & (~31)) / 8;
image = (unsigned char * ) malloc (stride * iconSize);
imageMask = (unsigned char *) malloc (stride * iconSize);
mask = (unsigned char *) malloc (maskStride * iconSize);
/* Default to a completely black mask */
memset (mask, 0, maskStride * iconSize);
winScaleXBitmapToWindows (iconSize, effBPP, iconPtr, image);
maskPtr = (PixmapPtr) LookupIDByType (hints.icon_mask, RT_PIXMAP);
if (maskPtr)
{
winScaleXBitmapToWindows (iconSize, 1, maskPtr, mask);
winScaleXBitmapToWindows (iconSize, effBPP, maskPtr, imageMask);
/* Now we need to set all bits of the icon which are not masked */
/* on to 0 because Color is really an XOR, not an OR function */
dst = image;
src = imageMask;
for (i = 0; i < (stride * iconSize); i++)
if ((*(src++)))
*(dst++) = 0;
else
dst++;
}
ii.fIcon = TRUE;
ii.xHotspot = 0; /* ignored */
ii.yHotspot = 0; /* ignored */
/* Create Win32 mask from pixmap shape */
ii.hbmMask = CreateBitmap (iconSize, iconSize, planes, 1, mask);
/* Create Win32 bitmap from pixmap */
ii.hbmColor = CreateBitmap (iconSize, iconSize, planes, bpp, image);
/* Merge Win32 mask and bitmap into icon */
hIcon = CreateIconIndirect (&ii);
/* Release Win32 mask and bitmap */
DeleteObject (ii.hbmMask);
DeleteObject (ii.hbmColor);
/* Free X mask and bitmap */
free (mask);
free (image);
free (imageMask);
return hIcon;
}
/*
* Change the Windows window icon
*/
#ifdef XWIN_MULTIWINDOW
void
winUpdateIcon (Window id)
{
WindowPtr pWin;
HICON hIcon, hiconOld;
pWin = (WindowPtr) LookupIDByType (id, RT_WINDOW);
if (!pWin) return;
hIcon = (HICON)winOverrideIcon ((unsigned long)pWin);
if (!hIcon)
hIcon = winXIconToHICON (pWin, GetSystemMetrics(SM_CXICON));
if (hIcon)
{
winWindowPriv(pWin);
if (pWinPriv->hWnd)
{
hiconOld = (HICON) SetClassLong (pWinPriv->hWnd,
GCL_HICON,
(int) hIcon);
/* Delete the icon if its not the default */
winDestroyIcon(hiconOld);
}
}
hIcon = winXIconToHICON (pWin, GetSystemMetrics(SM_CXSMICON));
if (hIcon)
{
winWindowPriv(pWin);
if (pWinPriv->hWnd)
{
hiconOld = (HICON) SetClassLong (pWinPriv->hWnd,
GCL_HICONSM,
(int) hIcon);
winDestroyIcon (hiconOld);
}
}
}
void winInitGlobalIcons (void)
{
int sm_cx = GetSystemMetrics(SM_CXICON);
int sm_cxsm = GetSystemMetrics(SM_CXSMICON);
/* Load default X icon in case it's not ready yet */
if (!g_hIconX)
{
g_hIconX = (HICON)winOverrideDefaultIcon(sm_cx);
g_hSmallIconX = (HICON)winOverrideDefaultIcon(sm_cxsm);
}
if (!g_hIconX)
{
g_hIconX = (HICON)LoadImage (g_hInstance,
MAKEINTRESOURCE(IDI_XWIN),
IMAGE_ICON,
GetSystemMetrics(SM_CXICON),
GetSystemMetrics(SM_CYICON),
0);
g_hSmallIconX = (HICON)LoadImage (g_hInstance,
MAKEINTRESOURCE(IDI_XWIN),
IMAGE_ICON,
GetSystemMetrics(SM_CXSMICON),
GetSystemMetrics(SM_CYSMICON),
LR_DEFAULTSIZE);
}
}
void winSelectIcons(WindowPtr pWin, HICON *pIcon, HICON *pSmallIcon)
{
HICON hIcon, hSmallIcon;
winInitGlobalIcons();
/* Try and get the icon from WM_HINTS */
hIcon = winXIconToHICON (pWin, GetSystemMetrics(SM_CXICON));
hSmallIcon = winXIconToHICON (pWin, GetSystemMetrics(SM_CXSMICON));
/* If we got the small, but not the large one swap them */
if (!hIcon && hSmallIcon)
{
hIcon = hSmallIcon;
hSmallIcon = NULL;
}
/* Use default X icon if no icon loaded from WM_HINTS */
if (!hIcon) {
hIcon = g_hIconX;
hSmallIcon = g_hSmallIconX;
}
if (pIcon)
*pIcon = hIcon;
else
winDestroyIcon(hIcon);
if (pSmallIcon)
*pSmallIcon = hSmallIcon;
else
winDestroyIcon(hSmallIcon);
}
void winDestroyIcon(HICON hIcon)
{
/* Delete the icon if its not the default */
if (hIcon &&
hIcon != g_hIconX &&
hIcon != g_hSmallIconX &&
!winIconIsOverride((unsigned long)hIcon))
DestroyIcon (hIcon);
}
#endif
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