649 lines
22 KiB
C
649 lines
22 KiB
C
/*
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*Copyright (C) 1994-2000 The XFree86 Project, Inc. All Rights Reserved.
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*
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*Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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*"Software"), to deal in the Software without restriction, including
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*without limitation the rights to use, copy, modify, merge, publish,
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*distribute, sublicense, and/or sell copies of the Software, and to
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*permit persons to whom the Software is furnished to do so, subject to
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*the following conditions:
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*
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*The above copyright notice and this permission notice shall be
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*included in all copies or substantial portions of the Software.
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*
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*THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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*EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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*MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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*NONINFRINGEMENT. IN NO EVENT SHALL THE XFREE86 PROJECT BE LIABLE FOR
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*ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
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*CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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*WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*Except as contained in this notice, the name of the XFree86 Project
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*shall not be used in advertising or otherwise to promote the sale, use
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*or other dealings in this Software without prior written authorization
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*from the XFree86 Project.
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*
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* Authors: Earle F. Philhower, III
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*/
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#ifdef HAVE_XWIN_CONFIG_H
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#include <xwin-config.h>
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#endif
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#ifndef WINVER
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#define WINVER 0x0500
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#endif
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#include <X11/Xwindows.h>
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#include <X11/Xlib.h>
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#include <X11/Xutil.h>
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#include "winresource.h"
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#include "winprefs.h"
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#include "winmsg.h"
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#include "winmultiwindowicons.h"
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#include "winglobals.h"
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/*
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* global variables
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*/
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extern HINSTANCE g_hInstance;
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/*
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* Scale an X icon ZPixmap into a Windoze icon bitmap
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*/
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static void
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winScaleXImageToWindowsIcon(int iconSize,
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int effBPP,
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int stride, XImage * pixmap, unsigned char *image)
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{
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int row, column, effXBPP, effXDepth;
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unsigned char *outPtr;
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unsigned char *iconData = 0;
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int xStride;
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float factX, factY;
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int posX, posY;
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unsigned char *ptr;
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unsigned int zero;
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unsigned int color;
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effXBPP = pixmap->bits_per_pixel;
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if (pixmap->bits_per_pixel == 15)
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effXBPP = 16;
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effXDepth = pixmap->depth;
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if (pixmap->depth == 15)
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effXDepth = 16;
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xStride = pixmap->bytes_per_line;
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if (stride == 0 || xStride == 0) {
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ErrorF("winScaleXBitmapToWindows - stride or xStride is zero. "
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"Bailing.\n");
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return;
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}
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/* Get icon data */
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iconData = (unsigned char *) pixmap->data;
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/* Keep aspect ratio */
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factX = ((float) pixmap->width) / ((float) iconSize);
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factY = ((float) pixmap->height) / ((float) iconSize);
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if (factX > factY)
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factY = factX;
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else
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factX = factY;
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/* Out-of-bounds, fill icon with zero */
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zero = 0;
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for (row = 0; row < iconSize; row++) {
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outPtr = image + stride * row;
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for (column = 0; column < iconSize; column++) {
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posX = factX * column;
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posY = factY * row;
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ptr = (unsigned char *) iconData + posY * xStride;
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if (effXBPP == 1) {
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ptr += posX / 8;
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/* Out of X icon bounds, leave space blank */
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if (posX >= pixmap->width || posY >= pixmap->height)
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ptr = (unsigned char *) &zero;
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if ((*ptr) & (1 << (posX & 7)))
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switch (effBPP) {
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case 32:
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*(outPtr++) = 0;
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case 24:
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*(outPtr++) = 0;
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case 16:
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*(outPtr++) = 0;
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case 8:
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*(outPtr++) = 0;
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break;
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case 1:
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outPtr[column / 8] &= ~(1 << (7 - (column & 7)));
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break;
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}
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else
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switch (effBPP) {
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case 32:
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*(outPtr++) = 255;
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*(outPtr++) = 255;
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*(outPtr++) = 255;
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*(outPtr++) = 0;
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break;
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case 24:
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*(outPtr++) = 255;
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case 16:
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*(outPtr++) = 255;
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case 8:
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*(outPtr++) = 255;
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break;
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case 1:
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outPtr[column / 8] |= (1 << (7 - (column & 7)));
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break;
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}
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}
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else if (effXDepth == 24 || effXDepth == 32) {
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ptr += posX * (effXBPP / 8);
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/* Out of X icon bounds, leave space blank */
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if (posX >= pixmap->width || posY >= pixmap->height)
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ptr = (unsigned char *) &zero;
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color = (((*ptr) << 16)
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+ ((*(ptr + 1)) << 8)
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+ ((*(ptr + 2)) << 0));
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switch (effBPP) {
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case 32:
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*(outPtr++) = *(ptr++); /* b */
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*(outPtr++) = *(ptr++); /* g */
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*(outPtr++) = *(ptr++); /* r */
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*(outPtr++) = (effXDepth == 32) ? *(ptr++) : 0x0; /* alpha */
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break;
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case 24:
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*(outPtr++) = *(ptr++);
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*(outPtr++) = *(ptr++);
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*(outPtr++) = *(ptr++);
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break;
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case 16:
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color = ((((*ptr) >> 2) << 10)
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+ (((*(ptr + 1)) >> 2) << 5)
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+ (((*(ptr + 2)) >> 2)));
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*(outPtr++) = (color >> 8);
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*(outPtr++) = (color & 255);
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break;
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case 8:
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color = (((*ptr))) + (((*(ptr + 1)))) + (((*(ptr + 2))));
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color /= 3;
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*(outPtr++) = color;
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break;
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case 1:
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if (color)
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outPtr[column / 8] |= (1 << (7 - (column & 7)));
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else
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outPtr[column / 8] &= ~(1 << (7 - (column & 7)));
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}
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}
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else if (effXDepth == 16) {
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ptr += posX * (effXBPP / 8);
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/* Out of X icon bounds, leave space blank */
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if (posX >= pixmap->width || posY >= pixmap->height)
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ptr = (unsigned char *) &zero;
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color = ((*ptr) << 8) + (*(ptr + 1));
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switch (effBPP) {
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case 32:
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*(outPtr++) = (color & 31) << 2;
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*(outPtr++) = ((color >> 5) & 31) << 2;
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*(outPtr++) = ((color >> 10) & 31) << 2;
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*(outPtr++) = 0; /* resvd */
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break;
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case 24:
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*(outPtr++) = (color & 31) << 2;
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*(outPtr++) = ((color >> 5) & 31) << 2;
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*(outPtr++) = ((color >> 10) & 31) << 2;
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break;
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case 16:
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*(outPtr++) = *(ptr++);
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*(outPtr++) = *(ptr++);
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break;
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case 8:
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*(outPtr++) = (((color & 31)
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+ ((color >> 5) & 31)
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+ ((color >> 10) & 31)) / 3) << 2;
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break;
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case 1:
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if (color)
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outPtr[column / 8] |= (1 << (7 - (column & 7)));
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else
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outPtr[column / 8] &= ~(1 << (7 - (column & 7)));
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break;
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} /* end switch(effbpp) */
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} /* end if effxbpp==16) */
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} /* end for column */
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} /* end for row */
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}
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static HICON
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NetWMToWinIconAlpha(uint32_t * icon)
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{
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int width = icon[0];
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int height = icon[1];
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uint32_t *pixels = &icon[2];
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HICON result;
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HDC hdc = GetDC(NULL);
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uint32_t *DIB_pixels;
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ICONINFO ii;
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BITMAPV4HEADER bmh = { sizeof(bmh) };
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/* Define an ARGB pixel format used for Color+Alpha icons */
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bmh.bV4Width = width;
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bmh.bV4Height = -height; /* Invert the image */
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bmh.bV4Planes = 1;
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bmh.bV4BitCount = 32;
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bmh.bV4V4Compression = BI_BITFIELDS;
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bmh.bV4AlphaMask = 0xFF000000;
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bmh.bV4RedMask = 0x00FF0000;
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bmh.bV4GreenMask = 0x0000FF00;
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bmh.bV4BlueMask = 0x000000FF;
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ii.fIcon = TRUE;
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ii.xHotspot = 0; /* ignored */
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ii.yHotspot = 0; /* ignored */
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ii.hbmColor = CreateDIBSection(hdc, (BITMAPINFO *) &bmh,
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DIB_RGB_COLORS, (void **) &DIB_pixels, NULL,
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0);
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ReleaseDC(NULL, hdc);
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if (!ii.hbmColor)
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return NULL;
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ii.hbmMask = CreateBitmap(width, height, 1, 1, NULL);
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memcpy(DIB_pixels, pixels, height * width * 4);
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/* CreateIconIndirect() traditionally required DDBitmaps */
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/* Systems from WinXP accept 32-bit ARGB DIBitmaps with full 8-bit alpha support */
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/* The icon is created with a DIB + empty DDB mask (an MS example does the same) */
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result = CreateIconIndirect(&ii);
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DeleteObject(ii.hbmColor);
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DeleteObject(ii.hbmMask);
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winDebug("NetWMToWinIconAlpha - %d x %d = %p\n", icon[0], icon[1], result);
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return result;
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}
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static HICON
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NetWMToWinIconThreshold(uint32_t * icon)
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{
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int width = icon[0];
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int height = icon[1];
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uint32_t *pixels = &icon[2];
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int row, col;
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HICON result;
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ICONINFO ii;
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HDC hdc = GetDC(NULL);
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HDC xorDC = CreateCompatibleDC(hdc);
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HDC andDC = CreateCompatibleDC(hdc);
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ii.fIcon = TRUE;
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ii.xHotspot = 0; /* ignored */
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ii.yHotspot = 0; /* ignored */
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ii.hbmColor = CreateCompatibleBitmap(hdc, width, height);
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ii.hbmMask = CreateCompatibleBitmap(hdc, width, height);
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ReleaseDC(NULL, hdc);
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SelectObject(xorDC, ii.hbmColor);
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SelectObject(andDC, ii.hbmMask);
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for (row = 0; row < height; row++) {
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for (col = 0; col < width; col++) {
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if ((*pixels & 0xFF000000) > 31 << 24) { /* 31 alpha threshold, i.e. opaque above, transparent below */
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SetPixelV(xorDC, col, row,
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RGB(((char *) pixels)[2], ((char *) pixels)[1],
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((char *) pixels)[0]));
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SetPixelV(andDC, col, row, RGB(0, 0, 0)); /* black mask */
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}
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else {
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SetPixelV(xorDC, col, row, RGB(0, 0, 0));
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SetPixelV(andDC, col, row, RGB(255, 255, 255)); /* white mask */
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}
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pixels++;
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}
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}
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DeleteDC(xorDC);
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DeleteDC(andDC);
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result = CreateIconIndirect(&ii);
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DeleteObject(ii.hbmColor);
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DeleteObject(ii.hbmMask);
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winDebug("NetWMToWinIconThreshold - %d x %d = %p\n", icon[0], icon[1],
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result);
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return result;
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}
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static HICON
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NetWMToWinIcon(int bpp, uint32_t * icon)
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{
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static Bool hasIconAlphaChannel = FALSE;
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static BOOL versionChecked = FALSE;
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if (!versionChecked) {
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OSVERSIONINFOEX osvi = { 0 };
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ULONGLONG dwlConditionMask = 0;
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osvi.dwOSVersionInfoSize = sizeof(osvi);
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osvi.dwMajorVersion = 5;
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osvi.dwMinorVersion = 1;
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/* Windows versions later than XP have icon alpha channel suport, 2000 does not */
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VER_SET_CONDITION(dwlConditionMask, VER_MAJORVERSION,
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VER_GREATER_EQUAL);
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VER_SET_CONDITION(dwlConditionMask, VER_MINORVERSION,
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VER_GREATER_EQUAL);
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hasIconAlphaChannel =
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VerifyVersionInfo(&osvi, VER_MAJORVERSION | VER_MINORVERSION,
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dwlConditionMask);
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versionChecked = TRUE;
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ErrorF("OS has icon alpha channel support: %s\n",
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hasIconAlphaChannel ? "yes" : "no");
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}
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if (hasIconAlphaChannel && (bpp == 32))
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return NetWMToWinIconAlpha(icon);
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else
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return NetWMToWinIconThreshold(icon);
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}
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/*
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* Attempt to create a custom icon from the WM_HINTS bitmaps
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*/
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static
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HICON
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winXIconToHICON(Display * pDisplay, Window id, int iconSize)
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{
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unsigned char *mask, *image = NULL, *imageMask;
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unsigned char *dst, *src;
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int planes, bpp, i;
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unsigned int biggest_size = 0;
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HDC hDC;
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ICONINFO ii;
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XWMHints *hints;
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HICON hIcon = NULL;
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uint32_t *biggest_icon = NULL;
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static Atom _XA_NET_WM_ICON;
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static int generation;
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uint32_t *icon, *icon_data = NULL;
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unsigned long int size;
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unsigned long int type;
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int format;
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unsigned long int left;
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hDC = GetDC(GetDesktopWindow());
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planes = GetDeviceCaps(hDC, PLANES);
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bpp = GetDeviceCaps(hDC, BITSPIXEL);
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ReleaseDC(GetDesktopWindow(), hDC);
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/* Always prefer _NET_WM_ICON icons */
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if (generation != serverGeneration) {
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generation = serverGeneration;
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_XA_NET_WM_ICON = XInternAtom(pDisplay, "_NET_WM_ICON", FALSE);
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}
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if ((XGetWindowProperty(pDisplay, id, _XA_NET_WM_ICON,
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0, MAXINT, FALSE,
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AnyPropertyType, &type, &format, &size, &left,
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(unsigned char **) &icon_data) == Success) &&
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(icon_data != NULL)) {
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for (icon = icon_data; icon < &icon_data[size] && *icon;
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icon = &icon[icon[0] * icon[1] + 2]) {
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winDebug("winXIconToHICON: %u x %u NetIcon\n", icon[0], icon[1]);
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/* Icon data size will overflow an int and thus is bigger than the
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property can possibly be */
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if ((INT_MAX/icon[0]) < icon[1]) {
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winDebug("winXIconToHICON: _NET_WM_ICON icon data size overflow\n");
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break;
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}
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/* Icon data size is bigger than amount of data remaining */
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if (&icon[icon[0] * icon[1] + 2] > &icon_data[size]) {
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winDebug("winXIconToHICON: _NET_WM_ICON data is malformed\n");
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break;
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}
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/* Found an exact match to the size we require... */
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if (icon[0] == iconSize && icon[1] == iconSize) {
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winDebug("winXIconToHICON: selected %d x %d NetIcon\n",
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iconSize, iconSize);
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hIcon = NetWMToWinIcon(bpp, icon);
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break;
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}
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/* Otherwise, find the biggest icon and let Windows scale the size */
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else if (biggest_size < icon[0]) {
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biggest_icon = icon;
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biggest_size = icon[0];
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}
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}
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if (!hIcon && biggest_icon) {
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winDebug
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("winXIconToHICON: selected %u x %u NetIcon for scaling to %d x %d\n",
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biggest_icon[0], biggest_icon[1], iconSize, iconSize);
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hIcon = NetWMToWinIcon(bpp, biggest_icon);
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}
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XFree(icon_data);
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}
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if (!hIcon) {
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winDebug("winXIconToHICON: no suitable NetIcon\n");
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hints = XGetWMHints(pDisplay, id);
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if (hints) {
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winDebug("winXIconToHICON: id 0x%x icon_pixmap hint %x\n", id,
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hints->icon_pixmap);
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if (hints->icon_pixmap) {
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Window root;
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int x, y;
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unsigned int width, height, border_width, depth;
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XImage *xImageIcon;
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XImage *xImageMask = NULL;
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XGetGeometry(pDisplay, hints->icon_pixmap, &root, &x, &y,
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&width, &height, &border_width, &depth);
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xImageIcon =
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XGetImage(pDisplay, hints->icon_pixmap, 0, 0, width, height,
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0xFFFFFFFF, ZPixmap);
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winDebug("winXIconToHICON: id 0x%x icon Ximage 0x%p\n", id,
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xImageIcon);
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if (hints->icon_mask)
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xImageMask =
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XGetImage(pDisplay, hints->icon_mask, 0, 0, width,
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height, 0xFFFFFFFF, ZPixmap);
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if (xImageIcon) {
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int effBPP, stride, maskStride;
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/* 15 BPP is really 16BPP as far as we care */
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if (bpp == 15)
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effBPP = 16;
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else
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effBPP = bpp;
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/* Need 16-bit aligned rows for DDBitmaps */
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stride = ((iconSize * effBPP + 15) & (~15)) / 8;
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/* Mask is 1-bit deep */
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maskStride = ((iconSize * 1 + 15) & (~15)) / 8;
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image = malloc(stride * iconSize);
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imageMask = malloc(stride * iconSize);
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mask = malloc(maskStride * iconSize);
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/* Default to a completely black mask */
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memset(imageMask, 0, stride * iconSize);
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memset(mask, 0, maskStride * iconSize);
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winScaleXImageToWindowsIcon(iconSize, effBPP, stride,
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xImageIcon, image);
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if (xImageMask) {
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winScaleXImageToWindowsIcon(iconSize, 1, maskStride,
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xImageMask, mask);
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winScaleXImageToWindowsIcon(iconSize, effBPP, stride,
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xImageMask, imageMask);
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}
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/* 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);
|
|
|
|
if (xImageMask)
|
|
XDestroyImage(xImageMask);
|
|
|
|
XDestroyImage(xImageIcon);
|
|
}
|
|
}
|
|
XFree(hints);
|
|
}
|
|
}
|
|
return hIcon;
|
|
}
|
|
|
|
/*
|
|
* Change the Windows window icon
|
|
*/
|
|
|
|
#ifdef XWIN_MULTIWINDOW
|
|
void
|
|
winUpdateIcon(HWND hWnd, Display * pDisplay, Window id, HICON hIconNew)
|
|
{
|
|
HICON hIcon, hIconSmall = NULL, hIconOld;
|
|
|
|
/* Start with the icon from preferences, if any */
|
|
hIcon = hIconNew;
|
|
hIconSmall = hIconNew;
|
|
|
|
/* If we still need an icon, try and get the icon from WM_HINTS */
|
|
if (!hIcon)
|
|
hIcon = winXIconToHICON(pDisplay, id, GetSystemMetrics(SM_CXICON));
|
|
if (!hIconSmall)
|
|
hIconSmall =
|
|
winXIconToHICON(pDisplay, id, GetSystemMetrics(SM_CXSMICON));
|
|
|
|
/* If we got the small, but not the large one swap them */
|
|
if (!hIcon && hIconSmall) {
|
|
hIcon = hIconSmall;
|
|
hIconSmall = NULL;
|
|
}
|
|
|
|
/* Set the large icon */
|
|
hIconOld = (HICON) SendMessage(hWnd, WM_SETICON, ICON_BIG, (LPARAM) hIcon);
|
|
/* Delete the old icon if its not the default */
|
|
winDestroyIcon(hIconOld);
|
|
|
|
/* Same for the small icon */
|
|
hIconOld =
|
|
(HICON) SendMessage(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(HICON * pIcon, HICON * pSmallIcon)
|
|
{
|
|
HICON hIcon, hSmallIcon;
|
|
|
|
winInitGlobalIcons();
|
|
|
|
/* Use default X icon */
|
|
hIcon = g_hIconX;
|
|
hSmallIcon = g_hSmallIconX;
|
|
|
|
if (pIcon)
|
|
*pIcon = hIcon;
|
|
|
|
if (pSmallIcon)
|
|
*pSmallIcon = hSmallIcon;
|
|
}
|
|
|
|
void
|
|
winDestroyIcon(HICON hIcon)
|
|
{
|
|
/* Delete the icon if its not one of the application defaults or an override */
|
|
if (hIcon &&
|
|
hIcon != g_hIconX &&
|
|
hIcon != g_hSmallIconX && !winIconIsOverride(hIcon))
|
|
DestroyIcon(hIcon);
|
|
}
|
|
#endif
|