diff options
Diffstat (limited to 'xorg-server/hw/xwin/winmultiwindowicons.c')
| -rw-r--r-- | xorg-server/hw/xwin/winmultiwindowicons.c | 1291 |
1 files changed, 642 insertions, 649 deletions
diff --git a/xorg-server/hw/xwin/winmultiwindowicons.c b/xorg-server/hw/xwin/winmultiwindowicons.c index cb27d2fe3..6af9636ea 100644 --- a/xorg-server/hw/xwin/winmultiwindowicons.c +++ b/xorg-server/hw/xwin/winmultiwindowicons.c @@ -1,649 +1,642 @@ -/* - *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" - -#include "propertyst.h" - -#include "propertyst.h" -#include "windowstr.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; - 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 16-bit aligned rows for DDBitmaps */ - stride = ((iconSize * effBPP + 15) & (~15)) / 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 = (unsigned char*) 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++) = (effXDepth == 32) ? *(ptr++) : 0x0; /* alpha */ - 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); -} - -static HICON -NetWMToWinIconAlpha(uint32_t *icon) -{ - int width = icon[0]; - int height = icon[1]; - uint32_t *pixels = &icon[2]; - HICON result; - HDC hdc = GetDC(NULL); - uint32_t *DIB_pixels; - ICONINFO ii = {TRUE}; - BITMAPV4HEADER bmh = {sizeof(bmh)}; - - /* Define an ARGB pixel format used for Color+Alpha icons */ - bmh.bV4Width = width; - bmh.bV4Height = -height; /* Invert the image */ - bmh.bV4Planes = 1; - bmh.bV4BitCount = 32; - bmh.bV4V4Compression = BI_BITFIELDS; - bmh.bV4AlphaMask = 0xFF000000; - bmh.bV4RedMask = 0x00FF0000; - bmh.bV4GreenMask = 0x0000FF00; - bmh.bV4BlueMask = 0x000000FF; - - ii.hbmColor = CreateDIBSection(hdc, (BITMAPINFO*)&bmh, - DIB_RGB_COLORS, (void**)&DIB_pixels, NULL, 0); - ReleaseDC(NULL, hdc); - ii.hbmMask = CreateBitmap(width, height, 1, 1, NULL); - memcpy(DIB_pixels, pixels, height*width*4); - - /* CreateIconIndirect() traditionally required DDBitmaps */ - /* Systems from WinXP accept 32-bit ARGB DIBitmaps with full 8-bit alpha support */ - /* The icon is created with a DIB + empty DDB mask (an MS example does the same) */ - result = CreateIconIndirect(&ii); - - DeleteObject(ii.hbmColor); - DeleteObject(ii.hbmMask); - - winDebug("NetWMToWinIconAlpha - %d x %d = %p\n", icon[0], icon[1], result); - return result; -} - -static HICON -NetWMToWinIconThreshold(uint32_t *icon) -{ - int width = icon[0]; - int height = icon[1]; - uint32_t *pixels = &icon[2]; - int row, col; - HICON result; - ICONINFO ii = {TRUE}; - - HDC hdc = GetDC(NULL); - HDC xorDC = CreateCompatibleDC(hdc); - HDC andDC = CreateCompatibleDC(hdc); - ii.hbmColor = CreateCompatibleBitmap(hdc, width, height); - ii.hbmMask = CreateCompatibleBitmap(hdc, width, height); - ReleaseDC(NULL, hdc); - SelectObject(xorDC, ii.hbmColor); - SelectObject(andDC, ii.hbmMask); - - for (row = 0; row < height; row++) { - for (col = 0; col < width; col++) { - if ((*pixels & 0xFF000000) > 31<<24) { /* 31 alpha threshold, i.e. opaque above, transparent below */ - SetPixelV(xorDC, col, row, RGB(((char*)pixels)[2], ((char*)pixels)[1], - ((char*)pixels)[0])); - SetPixelV(andDC, col, row, RGB(0, 0, 0)); /* black mask */ - } - else { - SetPixelV(xorDC, col, row, RGB(0, 0, 0)); - SetPixelV(andDC, col, row, RGB(255, 255, 255)); /* white mask */ - } - pixels++; - } - } - DeleteDC(xorDC); - DeleteDC(andDC); - - result = CreateIconIndirect(&ii); - - DeleteObject(ii.hbmColor); - DeleteObject(ii.hbmMask ); - - winDebug("NetWMToWinIconThreshold - %d x %d = %p\n", icon[0], icon[1], result); - return result; -} - -static HICON -NetWMToWinIcon(int bpp, uint32_t *icon) -{ - static Bool hasIconAlphaChannel = FALSE; - static BOOL versionChecked = FALSE; - - if (!versionChecked) - { - OSVERSIONINFOEX osvi = {0}; - ULONGLONG dwlConditionMask = 0; - - osvi.dwOSVersionInfoSize = sizeof (osvi); - osvi.dwMajorVersion = 5; - osvi.dwMinorVersion = 1; - - /* Windows versions later than XP have icon alpha channel suport, 2000 does not */ - VER_SET_CONDITION(dwlConditionMask, VER_MAJORVERSION, VER_GREATER_EQUAL); - VER_SET_CONDITION(dwlConditionMask, VER_MINORVERSION, VER_GREATER_EQUAL); - hasIconAlphaChannel = VerifyVersionInfo(&osvi, VER_MAJORVERSION | VER_MINORVERSION, dwlConditionMask); - versionChecked = TRUE; - - ErrorF("OS has icon alpha channel support: %s\n", hasIconAlphaChannel ? "yes" : "no"); - } - - if (hasIconAlphaChannel && (bpp==32)) - return NetWMToWinIconAlpha(icon); - else - return NetWMToWinIconThreshold(icon); -} - -static pointer -GetWindowProp(WindowPtr pWin, Atom name, long int *size_return) -{ - struct _Window *pwin; - struct _Property *prop; - - if (!pWin || !name) { - ErrorF ("GetWindowProp - pWin or name was NULL\n"); - return 0; - } - pwin = (struct _Window*) pWin; - if (!pwin->optional) return NULL; - for (prop = (struct _Property *) pwin->optional->userProps; - prop; - prop=prop->next){ - if (prop->propertyName == name) { - *size_return=prop->size; - return prop->data; - } - } - return NULL; -} - -/* - * 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; - int biggest_size = 0; - HDC hDC; - ICONINFO ii; - WinXWMHints hints; - HICON hIcon = NULL; - uint32_t *biggest_icon = NULL; - - /* Try to get _NET_WM_ICON icons first */ - static Atom _XA_NET_WM_ICON; - static int generation; - uint32_t *icon, *icon_data = NULL; - long int size=0; - - hDC = GetDC (GetDesktopWindow ()); - planes = GetDeviceCaps (hDC, PLANES); - bpp = GetDeviceCaps (hDC, BITSPIXEL); - ReleaseDC (GetDesktopWindow (), hDC); - - if (generation != serverGeneration) { - generation = serverGeneration; - _XA_NET_WM_ICON = MakeAtom("_NET_WM_ICON", 12, TRUE); - } - - if (_XA_NET_WM_ICON) icon_data = GetWindowProp(pWin, _XA_NET_WM_ICON, &size); - if (icon_data) - { - for(icon = icon_data; - icon < &icon_data[size] && *icon; - icon = &icon[icon[0]*icon[1]+2]) - { - if (icon[0]==iconSize && icon[1]==iconSize) - return NetWMToWinIcon(bpp, icon); - /* Find the biggest icon and let Windows scale the size */ - else if (biggest_size < icon[0]) - { - biggest_icon = icon; - biggest_size = icon[0]; - } - } - if (biggest_icon) - return NetWMToWinIcon(bpp, biggest_icon); - } - winDebug("winXIconToHICON - pWin %x: no suitable NetIcon\n",(int)pWin, iconSize); - - winMultiWindowGetWMHints (pWin, &hints); - if (!hints.icon_pixmap) return NULL; - - dixLookupResourceByType((pointer) &iconPtr, hints.icon_pixmap, RT_PIXMAP, - NullClient, DixUnknownAccess); - - if (!iconPtr) return NULL; - - /* 15 BPP is really 16BPP as far as we care */ - if (bpp == 15) - effBPP = 16; - else - effBPP = bpp; - - /* Need 16-bit aligned rows for DDBitmaps */ - stride = ((iconSize * effBPP + 15) & (~15)) / 8; - - /* Mask is 1-bit deep */ - maskStride = ((iconSize * 1 + 15) & (~15)) / 8; - - image = malloc (stride * iconSize); - imageMask = malloc (stride * iconSize); - /* Default to a completely black mask */ - mask = calloc (maskStride, iconSize); - - winScaleXBitmapToWindows (iconSize, effBPP, iconPtr, image); - dixLookupResourceByType((pointer) &maskPtr, hints.icon_mask, RT_PIXMAP, - NullClient, DixUnknownAccess); - - 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, hIconSmall=NULL, hIconOld; - - dixLookupResourceByType((pointer) &pWin, id, RT_WINDOW, NullClient, DixUnknownAccess); - if (pWin) - { - winWindowPriv(pWin); - if (pWinPriv->hWnd) { - hIcon = winOverrideIcon ((unsigned long)pWin); - if (!hIcon) { - hIcon = winXIconToHICON (pWin, GetSystemMetrics(SM_CXICON)); - if (!hIcon) { - hIcon = g_hIconX; - hIconSmall = g_hSmallIconX; - } else { - /* Leave undefined if not found */ - hIconSmall = winXIconToHICON (pWin, GetSystemMetrics(SM_CXSMICON)); - } - } - - /* Set the large icon */ - hIconOld = (HICON) SendMessage (pWinPriv->hWnd, - WM_SETICON, ICON_BIG, (LPARAM) hIcon); - - /* Delete the icon if its not the default */ - winDestroyIcon(hIconOld); - - /* Same for the small icon */ - hIconOld = (HICON) SendMessage (pWinPriv->hWnd, - WM_SETICON, ICON_SMALL, (LPARAM) hIconSmall); - 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 = winOverrideDefaultIcon(sm_cx); - g_hSmallIconX = 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 +/*
+ *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"
+
+#include "propertyst.h"
+
+#include "propertyst.h"
+#include "windowstr.h"
+
+
+/*
+ * 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;
+ 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 16-bit aligned rows for DDBitmaps */
+ stride = ((iconSize * effBPP + 15) & (~15)) / 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 = (unsigned char*) 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++) = (effXDepth == 32) ? *(ptr++) : 0x0; /* alpha */
+ 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);
+}
+
+static HICON
+NetWMToWinIconAlpha(uint32_t *icon)
+{
+ int width = icon[0];
+ int height = icon[1];
+ uint32_t *pixels = &icon[2];
+ HICON result;
+ HDC hdc = GetDC(NULL);
+ uint32_t *DIB_pixels;
+ ICONINFO ii = {TRUE};
+ BITMAPV4HEADER bmh = {sizeof(bmh)};
+
+ /* Define an ARGB pixel format used for Color+Alpha icons */
+ bmh.bV4Width = width;
+ bmh.bV4Height = -height; /* Invert the image */
+ bmh.bV4Planes = 1;
+ bmh.bV4BitCount = 32;
+ bmh.bV4V4Compression = BI_BITFIELDS;
+ bmh.bV4AlphaMask = 0xFF000000;
+ bmh.bV4RedMask = 0x00FF0000;
+ bmh.bV4GreenMask = 0x0000FF00;
+ bmh.bV4BlueMask = 0x000000FF;
+
+ ii.hbmColor = CreateDIBSection(hdc, (BITMAPINFO*)&bmh,
+ DIB_RGB_COLORS, (void**)&DIB_pixels, NULL, 0);
+ ReleaseDC(NULL, hdc);
+ ii.hbmMask = CreateBitmap(width, height, 1, 1, NULL);
+ memcpy(DIB_pixels, pixels, height*width*4);
+
+ /* CreateIconIndirect() traditionally required DDBitmaps */
+ /* Systems from WinXP accept 32-bit ARGB DIBitmaps with full 8-bit alpha support */
+ /* The icon is created with a DIB + empty DDB mask (an MS example does the same) */
+ result = CreateIconIndirect(&ii);
+
+ DeleteObject(ii.hbmColor);
+ DeleteObject(ii.hbmMask);
+
+ winDebug("NetWMToWinIconAlpha - %d x %d = %p\n", icon[0], icon[1], result);
+ return result;
+}
+
+static HICON
+NetWMToWinIconThreshold(uint32_t *icon)
+{
+ int width = icon[0];
+ int height = icon[1];
+ uint32_t *pixels = &icon[2];
+ int row, col;
+ HICON result;
+ ICONINFO ii = {TRUE};
+
+ HDC hdc = GetDC(NULL);
+ HDC xorDC = CreateCompatibleDC(hdc);
+ HDC andDC = CreateCompatibleDC(hdc);
+ ii.hbmColor = CreateCompatibleBitmap(hdc, width, height);
+ ii.hbmMask = CreateCompatibleBitmap(hdc, width, height);
+ ReleaseDC(NULL, hdc);
+ SelectObject(xorDC, ii.hbmColor);
+ SelectObject(andDC, ii.hbmMask);
+
+ for (row = 0; row < height; row++) {
+ for (col = 0; col < width; col++) {
+ if ((*pixels & 0xFF000000) > 31<<24) { /* 31 alpha threshold, i.e. opaque above, transparent below */
+ SetPixelV(xorDC, col, row, RGB(((char*)pixels)[2], ((char*)pixels)[1],
+ ((char*)pixels)[0]));
+ SetPixelV(andDC, col, row, RGB(0, 0, 0)); /* black mask */
+ }
+ else {
+ SetPixelV(xorDC, col, row, RGB(0, 0, 0));
+ SetPixelV(andDC, col, row, RGB(255, 255, 255)); /* white mask */
+ }
+ pixels++;
+ }
+ }
+ DeleteDC(xorDC);
+ DeleteDC(andDC);
+
+ result = CreateIconIndirect(&ii);
+
+ DeleteObject(ii.hbmColor);
+ DeleteObject(ii.hbmMask );
+
+ winDebug("NetWMToWinIconThreshold - %d x %d = %p\n", icon[0], icon[1], result);
+ return result;
+}
+
+static HICON
+NetWMToWinIcon(int bpp, uint32_t *icon)
+{
+ static Bool hasIconAlphaChannel = FALSE;
+ static BOOL versionChecked = FALSE;
+
+ if (!versionChecked)
+ {
+ OSVERSIONINFOEX osvi = {0};
+ ULONGLONG dwlConditionMask = 0;
+
+ osvi.dwOSVersionInfoSize = sizeof (osvi);
+ osvi.dwMajorVersion = 5;
+ osvi.dwMinorVersion = 1;
+
+ /* Windows versions later than XP have icon alpha channel suport, 2000 does not */
+ VER_SET_CONDITION(dwlConditionMask, VER_MAJORVERSION, VER_GREATER_EQUAL);
+ VER_SET_CONDITION(dwlConditionMask, VER_MINORVERSION, VER_GREATER_EQUAL);
+ hasIconAlphaChannel = VerifyVersionInfo(&osvi, VER_MAJORVERSION | VER_MINORVERSION, dwlConditionMask);
+ versionChecked = TRUE;
+
+ ErrorF("OS has icon alpha channel support: %s\n", hasIconAlphaChannel ? "yes" : "no");
+ }
+
+ if (hasIconAlphaChannel && (bpp==32))
+ return NetWMToWinIconAlpha(icon);
+ else
+ return NetWMToWinIconThreshold(icon);
+}
+
+static pointer
+GetWindowProp(WindowPtr pWin, Atom name, long int *size_return)
+{
+ struct _Window *pwin;
+ struct _Property *prop;
+
+ if (!pWin || !name) {
+ ErrorF ("GetWindowProp - pWin or name was NULL\n");
+ return 0;
+ }
+ pwin = (struct _Window*) pWin;
+ if (!pwin->optional) return NULL;
+ for (prop = (struct _Property *) pwin->optional->userProps;
+ prop;
+ prop=prop->next){
+ if (prop->propertyName == name) {
+ *size_return=prop->size;
+ return prop->data;
+ }
+ }
+ return NULL;
+}
+
+/*
+ * 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;
+ int biggest_size = 0;
+ HDC hDC;
+ ICONINFO ii;
+ WinXWMHints hints;
+ HICON hIcon = NULL;
+ uint32_t *biggest_icon = NULL;
+
+ /* Try to get _NET_WM_ICON icons first */
+ static Atom _XA_NET_WM_ICON;
+ static int generation;
+ uint32_t *icon, *icon_data = NULL;
+ long int size=0;
+
+ hDC = GetDC (GetDesktopWindow ());
+ planes = GetDeviceCaps (hDC, PLANES);
+ bpp = GetDeviceCaps (hDC, BITSPIXEL);
+ ReleaseDC (GetDesktopWindow (), hDC);
+
+ if (generation != serverGeneration) {
+ generation = serverGeneration;
+ _XA_NET_WM_ICON = MakeAtom("_NET_WM_ICON", 12, TRUE);
+ }
+
+ if (_XA_NET_WM_ICON) icon_data = GetWindowProp(pWin, _XA_NET_WM_ICON, &size);
+ if (icon_data)
+ {
+ for(icon = icon_data;
+ icon < &icon_data[size] && *icon;
+ icon = &icon[icon[0]*icon[1]+2])
+ {
+ if (icon[0]==iconSize && icon[1]==iconSize)
+ return NetWMToWinIcon(bpp, icon);
+ /* Find the biggest icon and let Windows scale the size */
+ else if (biggest_size < icon[0])
+ {
+ biggest_icon = icon;
+ biggest_size = icon[0];
+ }
+ }
+ if (biggest_icon)
+ return NetWMToWinIcon(bpp, biggest_icon);
+ }
+ winDebug("winXIconToHICON - pWin %x: no suitable NetIcon\n",(int)pWin, iconSize);
+
+ winMultiWindowGetWMHints (pWin, &hints);
+ if (!hints.icon_pixmap) return NULL;
+
+ dixLookupResourceByType((pointer) &iconPtr, hints.icon_pixmap, RT_PIXMAP,
+ NullClient, DixUnknownAccess);
+
+ if (!iconPtr) return NULL;
+
+ /* 15 BPP is really 16BPP as far as we care */
+ if (bpp == 15)
+ effBPP = 16;
+ else
+ effBPP = bpp;
+
+ /* Need 16-bit aligned rows for DDBitmaps */
+ stride = ((iconSize * effBPP + 15) & (~15)) / 8;
+
+ /* Mask is 1-bit deep */
+ maskStride = ((iconSize * 1 + 15) & (~15)) / 8;
+
+ image = malloc (stride * iconSize);
+ imageMask = malloc (stride * iconSize);
+ /* Default to a completely black mask */
+ mask = calloc (maskStride, iconSize);
+
+ winScaleXBitmapToWindows (iconSize, effBPP, iconPtr, image);
+ dixLookupResourceByType((pointer) &maskPtr, hints.icon_mask, RT_PIXMAP,
+ NullClient, DixUnknownAccess);
+
+ 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, hIconSmall=NULL, hIconOld;
+
+ dixLookupResourceByType((pointer) &pWin, id, RT_WINDOW, NullClient, DixUnknownAccess);
+ if (pWin)
+ {
+ winWindowPriv(pWin);
+ if (pWinPriv->hWnd) {
+ hIcon = winOverrideIcon ((unsigned long)pWin);
+ if (!hIcon) {
+ hIcon = winXIconToHICON (pWin, GetSystemMetrics(SM_CXICON));
+ if (!hIcon) {
+ hIcon = g_hIconX;
+ hIconSmall = g_hSmallIconX;
+ } else {
+ /* Leave undefined if not found */
+ hIconSmall = winXIconToHICON (pWin, GetSystemMetrics(SM_CXSMICON));
+ }
+ }
+
+ /* Set the large icon */
+ hIconOld = (HICON) SendMessage (pWinPriv->hWnd,
+ WM_SETICON, ICON_BIG, (LPARAM) hIcon);
+
+ /* Delete the icon if its not the default */
+ winDestroyIcon(hIconOld);
+
+ /* Same for the small icon */
+ hIconOld = (HICON) SendMessage (pWinPriv->hWnd,
+ WM_SETICON, ICON_SMALL, (LPARAM) hIconSmall);
+ 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 = winOverrideDefaultIcon(sm_cx);
+ g_hSmallIconX = 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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