1161 lines
35 KiB
C
1161 lines
35 KiB
C
/*
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*Copyright (C) 2001-2004 Harold L Hunt II 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 HAROLD L HUNT II 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 Harold L Hunt II
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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 Harold L Hunt II.
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*
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* Authors: Harold L Hunt II
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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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#include "win.h"
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/*
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* Local function prototypes
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*/
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#ifdef XWIN_MULTIWINDOW
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static wBOOL CALLBACK winRedrawAllProcShadowGDI(HWND hwnd, LPARAM lParam);
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static wBOOL CALLBACK winRedrawDamagedWindowShadowGDI(HWND hwnd, LPARAM lParam);
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#endif
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static Bool
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winAllocateFBShadowGDI(ScreenPtr pScreen);
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static void
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winShadowUpdateGDI(ScreenPtr pScreen, shadowBufPtr pBuf);
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static Bool
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winCloseScreenShadowGDI(ScreenPtr pScreen);
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static Bool
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winInitVisualsShadowGDI(ScreenPtr pScreen);
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static Bool
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winAdjustVideoModeShadowGDI(ScreenPtr pScreen);
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static Bool
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winBltExposedRegionsShadowGDI(ScreenPtr pScreen);
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static Bool
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winActivateAppShadowGDI(ScreenPtr pScreen);
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static Bool
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winRedrawScreenShadowGDI(ScreenPtr pScreen);
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static Bool
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winRealizeInstalledPaletteShadowGDI(ScreenPtr pScreen);
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static Bool
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winInstallColormapShadowGDI(ColormapPtr pColormap);
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static Bool
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winStoreColorsShadowGDI(ColormapPtr pmap, int ndef, xColorItem * pdefs);
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static Bool
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winCreateColormapShadowGDI(ColormapPtr pColormap);
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static Bool
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winDestroyColormapShadowGDI(ColormapPtr pColormap);
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/*
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* Internal function to get the DIB format that is compatible with the screen
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*/
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static
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Bool
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winQueryScreenDIBFormat(ScreenPtr pScreen, BITMAPINFOHEADER * pbmih)
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{
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winScreenPriv(pScreen);
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HBITMAP hbmp;
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#if CYGDEBUG
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LPDWORD pdw = NULL;
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#endif
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/* Create a memory bitmap compatible with the screen */
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hbmp = CreateCompatibleBitmap(pScreenPriv->hdcScreen, 1, 1);
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if (hbmp == NULL) {
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ErrorF("winQueryScreenDIBFormat - CreateCompatibleBitmap failed\n");
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return FALSE;
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}
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/* Initialize our bitmap info header */
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ZeroMemory(pbmih, sizeof(BITMAPINFOHEADER) + 256 * sizeof(RGBQUAD));
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pbmih->biSize = sizeof(BITMAPINFOHEADER);
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/* Get the biBitCount */
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if (!GetDIBits(pScreenPriv->hdcScreen,
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hbmp, 0, 1, NULL, (BITMAPINFO *) pbmih, DIB_RGB_COLORS)) {
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ErrorF("winQueryScreenDIBFormat - First call to GetDIBits failed\n");
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DeleteObject(hbmp);
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return FALSE;
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}
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#if CYGDEBUG
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/* Get a pointer to bitfields */
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pdw = (DWORD *) ((CARD8 *) pbmih + sizeof(BITMAPINFOHEADER));
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winDebug("winQueryScreenDIBFormat - First call masks: %08x %08x %08x\n",
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pdw[0], pdw[1], pdw[2]);
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#endif
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/* Get optimal color table, or the optimal bitfields */
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if (!GetDIBits(pScreenPriv->hdcScreen,
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hbmp, 0, 1, NULL, (BITMAPINFO *) pbmih, DIB_RGB_COLORS)) {
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ErrorF("winQueryScreenDIBFormat - Second call to GetDIBits "
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"failed\n");
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DeleteObject(hbmp);
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return FALSE;
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}
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/* Free memory */
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DeleteObject(hbmp);
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return TRUE;
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}
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/*
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* Internal function to determine the GDI bits per rgb and bit masks
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*/
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static
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Bool
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winQueryRGBBitsAndMasks(ScreenPtr pScreen)
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{
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winScreenPriv(pScreen);
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BITMAPINFOHEADER *pbmih = NULL;
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Bool fReturn = TRUE;
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LPDWORD pdw = NULL;
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DWORD dwRedBits, dwGreenBits, dwBlueBits;
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/* Color masks for 8 bpp are standardized */
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if (GetDeviceCaps(pScreenPriv->hdcScreen, RASTERCAPS) & RC_PALETTE) {
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/*
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* RGB BPP for 8 bit palletes is always 8
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* and the color masks are always 0.
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*/
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pScreenPriv->dwBitsPerRGB = 8;
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pScreenPriv->dwRedMask = 0x0L;
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pScreenPriv->dwGreenMask = 0x0L;
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pScreenPriv->dwBlueMask = 0x0L;
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return TRUE;
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}
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/* Color masks for 24 bpp are standardized */
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if (GetDeviceCaps(pScreenPriv->hdcScreen, PLANES)
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* GetDeviceCaps(pScreenPriv->hdcScreen, BITSPIXEL) == 24) {
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ErrorF("winQueryRGBBitsAndMasks - GetDeviceCaps (BITSPIXEL) "
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"returned 24 for the screen. Using default 24bpp masks.\n");
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/* 8 bits per primary color */
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pScreenPriv->dwBitsPerRGB = 8;
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/* Set screen privates masks */
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pScreenPriv->dwRedMask = WIN_24BPP_MASK_RED;
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pScreenPriv->dwGreenMask = WIN_24BPP_MASK_GREEN;
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pScreenPriv->dwBlueMask = WIN_24BPP_MASK_BLUE;
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return TRUE;
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}
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/* Allocate a bitmap header and color table */
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pbmih = (BITMAPINFOHEADER *) malloc(sizeof(BITMAPINFOHEADER)
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+ 256 * sizeof(RGBQUAD));
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if (pbmih == NULL) {
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ErrorF("winQueryRGBBitsAndMasks - malloc failed\n");
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return FALSE;
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}
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/* Get screen description */
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if (winQueryScreenDIBFormat(pScreen, pbmih)) {
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/* Get a pointer to bitfields */
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pdw = (DWORD *) ((CARD8 *) pbmih + sizeof(BITMAPINFOHEADER));
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#if CYGDEBUG
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winDebug("%s - Masks: %08x %08x %08x\n", __FUNCTION__,
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pdw[0], pdw[1], pdw[2]);
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winDebug("%s - Bitmap: %dx%d %d bpp %d planes\n", __FUNCTION__,
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pbmih->biWidth, pbmih->biHeight, pbmih->biBitCount,
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pbmih->biPlanes);
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winDebug("%s - Compression: %d %s\n", __FUNCTION__,
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pbmih->biCompression,
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(pbmih->biCompression ==
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BI_RGB ? "(BI_RGB)" : (pbmih->biCompression ==
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BI_RLE8 ? "(BI_RLE8)" : (pbmih->
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biCompression
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==
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BI_RLE4 ?
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"(BI_RLE4)"
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: (pbmih->
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biCompression
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==
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BI_BITFIELDS
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?
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"(BI_BITFIELDS)"
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: "")))));
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#endif
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/* Handle BI_RGB case, which is returned by Wine */
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if (pbmih->biCompression == BI_RGB) {
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dwRedBits = 5;
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dwGreenBits = 5;
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dwBlueBits = 5;
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pScreenPriv->dwBitsPerRGB = 5;
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/* Set screen privates masks */
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pScreenPriv->dwRedMask = 0x7c00;
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pScreenPriv->dwGreenMask = 0x03e0;
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pScreenPriv->dwBlueMask = 0x001f;
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}
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else {
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/* Count the number of bits in each mask */
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dwRedBits = winCountBits(pdw[0]);
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dwGreenBits = winCountBits(pdw[1]);
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dwBlueBits = winCountBits(pdw[2]);
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/* Find maximum bits per red, green, blue */
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if (dwRedBits > dwGreenBits && dwRedBits > dwBlueBits)
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pScreenPriv->dwBitsPerRGB = dwRedBits;
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else if (dwGreenBits > dwRedBits && dwGreenBits > dwBlueBits)
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pScreenPriv->dwBitsPerRGB = dwGreenBits;
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else
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pScreenPriv->dwBitsPerRGB = dwBlueBits;
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/* Set screen privates masks */
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pScreenPriv->dwRedMask = pdw[0];
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pScreenPriv->dwGreenMask = pdw[1];
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pScreenPriv->dwBlueMask = pdw[2];
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}
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}
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else {
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ErrorF("winQueryRGBBitsAndMasks - winQueryScreenDIBFormat failed\n");
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fReturn = FALSE;
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}
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/* Free memory */
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free(pbmih);
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return fReturn;
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}
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#ifdef XWIN_MULTIWINDOW
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/*
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* Redraw all ---?
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*/
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static wBOOL CALLBACK
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winRedrawAllProcShadowGDI(HWND hwnd, LPARAM lParam)
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{
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if (hwnd == (HWND) lParam)
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return TRUE;
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InvalidateRect(hwnd, NULL, FALSE);
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UpdateWindow(hwnd);
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return TRUE;
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}
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static wBOOL CALLBACK
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winRedrawDamagedWindowShadowGDI(HWND hwnd, LPARAM lParam)
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{
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BoxPtr pDamage = (BoxPtr) lParam;
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RECT rcClient, rcDamage, rcRedraw;
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POINT topLeft, bottomRight;
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if (IsIconic(hwnd))
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return TRUE; /* Don't care minimized windows */
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/* Convert the damaged area from Screen coords to Client coords */
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topLeft.x = pDamage->x1;
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topLeft.y = pDamage->y1;
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bottomRight.x = pDamage->x2;
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bottomRight.y = pDamage->y2;
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topLeft.x += GetSystemMetrics(SM_XVIRTUALSCREEN);
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bottomRight.x += GetSystemMetrics(SM_XVIRTUALSCREEN);
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topLeft.y += GetSystemMetrics(SM_YVIRTUALSCREEN);
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bottomRight.y += GetSystemMetrics(SM_YVIRTUALSCREEN);
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ScreenToClient(hwnd, &topLeft);
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ScreenToClient(hwnd, &bottomRight);
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SetRect(&rcDamage, topLeft.x, topLeft.y, bottomRight.x, bottomRight.y);
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GetClientRect(hwnd, &rcClient);
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if (IntersectRect(&rcRedraw, &rcClient, &rcDamage)) {
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InvalidateRect(hwnd, &rcRedraw, FALSE);
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UpdateWindow(hwnd);
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}
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return TRUE;
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}
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#endif
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/*
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* Allocate a DIB for the shadow framebuffer GDI server
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*/
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static Bool
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winAllocateFBShadowGDI(ScreenPtr pScreen)
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{
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winScreenPriv(pScreen);
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winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo;
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DIBSECTION dibsection;
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Bool fReturn = TRUE;
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/* Describe shadow bitmap to be created */
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pScreenPriv->pbmih->biWidth = pScreenInfo->dwWidth;
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pScreenPriv->pbmih->biHeight = -pScreenInfo->dwHeight;
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ErrorF("winAllocateFBShadowGDI - Creating DIB with width: %d height: %d "
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"depth: %d\n",
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(int) pScreenPriv->pbmih->biWidth,
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(int) -pScreenPriv->pbmih->biHeight, pScreenPriv->pbmih->biBitCount);
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/* Create a DI shadow bitmap with a bit pointer */
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pScreenPriv->hbmpShadow = CreateDIBSection(pScreenPriv->hdcScreen,
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(BITMAPINFO *) pScreenPriv->
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pbmih, DIB_RGB_COLORS,
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(VOID **) &pScreenInfo->pfb,
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NULL, 0);
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if (pScreenPriv->hbmpShadow == NULL || pScreenInfo->pfb == NULL) {
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winW32Error(2, "winAllocateFBShadowGDI - CreateDIBSection failed:");
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return FALSE;
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}
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else {
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#if CYGDEBUG
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winDebug("winAllocateFBShadowGDI - Shadow buffer allocated\n");
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#endif
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}
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/* Get information about the bitmap that was allocated */
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GetObject(pScreenPriv->hbmpShadow, sizeof(dibsection), &dibsection);
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#if CYGDEBUG || YES
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/* Print information about bitmap allocated */
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winDebug("winAllocateFBShadowGDI - Dibsection width: %d height: %d "
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"depth: %d size image: %d\n",
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(int) dibsection.dsBmih.biWidth, (int) dibsection.dsBmih.biHeight,
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dibsection.dsBmih.biBitCount, (int) dibsection.dsBmih.biSizeImage);
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#endif
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/* Select the shadow bitmap into the shadow DC */
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SelectObject(pScreenPriv->hdcShadow, pScreenPriv->hbmpShadow);
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#if CYGDEBUG
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winDebug("winAllocateFBShadowGDI - Attempting a shadow blit\n");
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#endif
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/* Do a test blit from the shadow to the screen, I think */
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fReturn = BitBlt(pScreenPriv->hdcScreen,
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0, 0,
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pScreenInfo->dwWidth, pScreenInfo->dwHeight,
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pScreenPriv->hdcShadow, 0, 0, SRCCOPY);
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if (fReturn) {
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#if CYGDEBUG
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winDebug("winAllocateFBShadowGDI - Shadow blit success\n");
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#endif
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}
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else {
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winW32Error(2, "winAllocateFBShadowGDI - Shadow blit failure\n");
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#if 0
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return FALSE;
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#else
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/* ago: ignore this error. The blit fails with wine, but does not
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* cause any problems later. */
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fReturn = TRUE;
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#endif
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}
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/* Look for height weirdness */
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if (dibsection.dsBmih.biHeight < 0) {
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dibsection.dsBmih.biHeight = -dibsection.dsBmih.biHeight;
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}
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/* Set screeninfo stride */
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pScreenInfo->dwStride = ((dibsection.dsBmih.biSizeImage
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/ dibsection.dsBmih.biHeight)
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* 8) / pScreenInfo->dwBPP;
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#if CYGDEBUG || YES
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winDebug("winAllocateFBShadowGDI - Created shadow stride: %d\n",
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(int) pScreenInfo->dwStride);
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#endif
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#ifdef XWIN_MULTIWINDOW
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/* Redraw all windows */
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if (pScreenInfo->fMultiWindow)
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EnumThreadWindows(g_dwCurrentThreadID, winRedrawAllProcShadowGDI, 0);
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#endif
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return fReturn;
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}
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static void
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winFreeFBShadowGDI(ScreenPtr pScreen)
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{
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winScreenPriv(pScreen);
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winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo;
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/* Free the shadow bitmap */
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DeleteObject(pScreenPriv->hbmpShadow);
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/* Invalidate the ScreenInfo's fb pointer */
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pScreenInfo->pfb = NULL;
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}
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/*
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* Blit the damaged regions of the shadow fb to the screen
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*/
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static void
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winShadowUpdateGDI(ScreenPtr pScreen, shadowBufPtr pBuf)
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{
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winScreenPriv(pScreen);
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winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo;
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RegionPtr damage = shadowDamage(pBuf);
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DWORD dwBox = RegionNumRects(damage);
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BoxPtr pBox = RegionRects(damage);
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int x, y, w, h;
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HRGN hrgnCombined = NULL;
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#ifdef XWIN_UPDATESTATS
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static DWORD s_dwNonUnitRegions = 0;
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static DWORD s_dwTotalUpdates = 0;
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static DWORD s_dwTotalBoxes = 0;
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#endif
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BoxPtr pBoxExtents = RegionExtents(damage);
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/*
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* Return immediately if the app is not active
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* and we are fullscreen, or if we have a bad display depth
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*/
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if ((!pScreenPriv->fActive && pScreenInfo->fFullScreen)
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|| pScreenPriv->fBadDepth)
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return;
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#ifdef XWIN_UPDATESTATS
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++s_dwTotalUpdates;
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s_dwTotalBoxes += dwBox;
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if (dwBox != 1) {
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++s_dwNonUnitRegions;
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ErrorF("winShadowUpdatGDI - dwBox: %d\n", dwBox);
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}
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if ((s_dwTotalUpdates % 100) == 0)
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ErrorF("winShadowUpdateGDI - %d%% non-unity regions, avg boxes: %d "
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"nu: %d tu: %d\n",
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(s_dwNonUnitRegions * 100) / s_dwTotalUpdates,
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s_dwTotalBoxes / s_dwTotalUpdates,
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s_dwNonUnitRegions, s_dwTotalUpdates);
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#endif /* XWIN_UPDATESTATS */
|
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|
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/*
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* Handle small regions with multiple blits,
|
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* handle large regions by creating a clipping region and
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* doing a single blit constrained to that clipping region.
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*/
|
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if (!pScreenInfo->fMultiWindow &&
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(pScreenInfo->dwClipUpdatesNBoxes == 0 ||
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dwBox < pScreenInfo->dwClipUpdatesNBoxes)) {
|
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/* Loop through all boxes in the damaged region */
|
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while (dwBox--) {
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/*
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* Calculate x offset, y offset, width, and height for
|
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* current damage box
|
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*/
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x = pBox->x1;
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y = pBox->y1;
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w = pBox->x2 - pBox->x1;
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h = pBox->y2 - pBox->y1;
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|
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BitBlt(pScreenPriv->hdcScreen,
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x, y, w, h, pScreenPriv->hdcShadow, x, y, SRCCOPY);
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|
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/* Get a pointer to the next box */
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++pBox;
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}
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}
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else if (!pScreenInfo->fMultiWindow) {
|
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|
|
/* Compute a GDI region from the damaged region */
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hrgnCombined =
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CreateRectRgn(pBoxExtents->x1, pBoxExtents->y1, pBoxExtents->x2,
|
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pBoxExtents->y2);
|
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|
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/* Install the GDI region as a clipping region */
|
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SelectClipRgn(pScreenPriv->hdcScreen, hrgnCombined);
|
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DeleteObject(hrgnCombined);
|
|
hrgnCombined = NULL;
|
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|
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/*
|
|
* Blit the shadow buffer to the screen,
|
|
* constrained to the clipping region.
|
|
*/
|
|
BitBlt(pScreenPriv->hdcScreen,
|
|
pBoxExtents->x1, pBoxExtents->y1,
|
|
pBoxExtents->x2 - pBoxExtents->x1,
|
|
pBoxExtents->y2 - pBoxExtents->y1,
|
|
pScreenPriv->hdcShadow,
|
|
pBoxExtents->x1, pBoxExtents->y1, SRCCOPY);
|
|
|
|
/* Reset the clip region */
|
|
SelectClipRgn(pScreenPriv->hdcScreen, NULL);
|
|
}
|
|
|
|
#ifdef XWIN_MULTIWINDOW
|
|
/* Redraw all multiwindow windows */
|
|
if (pScreenInfo->fMultiWindow)
|
|
EnumThreadWindows(g_dwCurrentThreadID,
|
|
winRedrawDamagedWindowShadowGDI,
|
|
(LPARAM) pBoxExtents);
|
|
#endif
|
|
}
|
|
|
|
static Bool
|
|
winInitScreenShadowGDI(ScreenPtr pScreen)
|
|
{
|
|
winScreenPriv(pScreen);
|
|
|
|
/* Get device contexts for the screen and shadow bitmap */
|
|
pScreenPriv->hdcScreen = GetDC(pScreenPriv->hwndScreen);
|
|
pScreenPriv->hdcShadow = CreateCompatibleDC(pScreenPriv->hdcScreen);
|
|
|
|
/* Allocate bitmap info header */
|
|
pScreenPriv->pbmih = (BITMAPINFOHEADER *) malloc(sizeof(BITMAPINFOHEADER)
|
|
+ 256 * sizeof(RGBQUAD));
|
|
if (pScreenPriv->pbmih == NULL) {
|
|
ErrorF("winInitScreenShadowGDI - malloc () failed\n");
|
|
return FALSE;
|
|
}
|
|
|
|
/* Query the screen format */
|
|
if (!winQueryScreenDIBFormat(pScreen, pScreenPriv->pbmih)) {
|
|
ErrorF("winInitScreenShadowGDI - winQueryScreenDIBFormat failed\n");
|
|
return FALSE;
|
|
}
|
|
|
|
/* Determine our color masks */
|
|
if (!winQueryRGBBitsAndMasks(pScreen)) {
|
|
ErrorF("winInitScreenShadowGDI - winQueryRGBBitsAndMasks failed\n");
|
|
return FALSE;
|
|
}
|
|
|
|
return winAllocateFBShadowGDI(pScreen);
|
|
}
|
|
|
|
/* See Porting Layer Definition - p. 33 */
|
|
/*
|
|
* We wrap whatever CloseScreen procedure was specified by fb;
|
|
* a pointer to said procedure is stored in our privates.
|
|
*/
|
|
|
|
static Bool
|
|
winCloseScreenShadowGDI(ScreenPtr pScreen)
|
|
{
|
|
winScreenPriv(pScreen);
|
|
winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo;
|
|
Bool fReturn;
|
|
|
|
#if CYGDEBUG
|
|
winDebug("winCloseScreenShadowGDI - Freeing screen resources\n");
|
|
#endif
|
|
|
|
/* Flag that the screen is closed */
|
|
pScreenPriv->fClosed = TRUE;
|
|
pScreenPriv->fActive = FALSE;
|
|
|
|
/* Call the wrapped CloseScreen procedure */
|
|
WIN_UNWRAP(CloseScreen);
|
|
if (pScreen->CloseScreen)
|
|
fReturn = (*pScreen->CloseScreen) (pScreen);
|
|
|
|
/* Delete the window property */
|
|
RemoveProp(pScreenPriv->hwndScreen, WIN_SCR_PROP);
|
|
|
|
/* Free the shadow DC; which allows the bitmap to be freed */
|
|
DeleteDC(pScreenPriv->hdcShadow);
|
|
|
|
winFreeFBShadowGDI(pScreen);
|
|
|
|
/* Free the screen DC */
|
|
ReleaseDC(pScreenPriv->hwndScreen, pScreenPriv->hdcScreen);
|
|
|
|
/* Delete tray icon, if we have one */
|
|
if (!pScreenInfo->fNoTrayIcon)
|
|
winDeleteNotifyIcon(pScreenPriv);
|
|
|
|
/* Free the exit confirmation dialog box, if it exists */
|
|
if (g_hDlgExit != NULL) {
|
|
DestroyWindow(g_hDlgExit);
|
|
g_hDlgExit = NULL;
|
|
}
|
|
|
|
/* Kill our window */
|
|
if (pScreenPriv->hwndScreen) {
|
|
DestroyWindow(pScreenPriv->hwndScreen);
|
|
pScreenPriv->hwndScreen = NULL;
|
|
}
|
|
|
|
#if defined(XWIN_CLIPBOARD) || defined(XWIN_MULTIWINDOW)
|
|
/* Destroy the thread startup mutex */
|
|
pthread_mutex_destroy(&pScreenPriv->pmServerStarted);
|
|
#endif
|
|
|
|
/* Invalidate our screeninfo's pointer to the screen */
|
|
pScreenInfo->pScreen = NULL;
|
|
|
|
/* Free the screen privates for this screen */
|
|
free((pointer) pScreenPriv);
|
|
|
|
return fReturn;
|
|
}
|
|
|
|
/*
|
|
* Tell mi what sort of visuals we need.
|
|
*
|
|
* Generally we only need one visual, as our screen can only
|
|
* handle one format at a time, I believe. You may want
|
|
* to verify that last sentence.
|
|
*/
|
|
|
|
static Bool
|
|
winInitVisualsShadowGDI(ScreenPtr pScreen)
|
|
{
|
|
winScreenPriv(pScreen);
|
|
winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo;
|
|
|
|
/* Display debugging information */
|
|
ErrorF("winInitVisualsShadowGDI - Masks %08x %08x %08x BPRGB %d d %d "
|
|
"bpp %d\n",
|
|
(unsigned int) pScreenPriv->dwRedMask,
|
|
(unsigned int) pScreenPriv->dwGreenMask,
|
|
(unsigned int) pScreenPriv->dwBlueMask,
|
|
(int) pScreenPriv->dwBitsPerRGB,
|
|
(int) pScreenInfo->dwDepth, (int) pScreenInfo->dwBPP);
|
|
|
|
/* Create a single visual according to the Windows screen depth */
|
|
switch (pScreenInfo->dwDepth) {
|
|
case 24:
|
|
case 16:
|
|
case 15:
|
|
/* Setup the real visual */
|
|
if (!miSetVisualTypesAndMasks(pScreenInfo->dwDepth,
|
|
TrueColorMask,
|
|
pScreenPriv->dwBitsPerRGB,
|
|
-1,
|
|
pScreenPriv->dwRedMask,
|
|
pScreenPriv->dwGreenMask,
|
|
pScreenPriv->dwBlueMask)) {
|
|
ErrorF("winInitVisualsShadowGDI - miSetVisualTypesAndMasks "
|
|
"failed\n");
|
|
return FALSE;
|
|
}
|
|
|
|
#ifdef XWIN_EMULATEPSEUDO
|
|
if (!pScreenInfo->fEmulatePseudo)
|
|
break;
|
|
|
|
/* Setup a pseudocolor visual */
|
|
if (!miSetVisualTypesAndMasks(8, PseudoColorMask, 8, -1, 0, 0, 0)) {
|
|
ErrorF("winInitVisualsShadowGDI - miSetVisualTypesAndMasks "
|
|
"failed for PseudoColor\n");
|
|
return FALSE;
|
|
}
|
|
#endif
|
|
break;
|
|
|
|
case 8:
|
|
if (!miSetVisualTypesAndMasks(pScreenInfo->dwDepth,
|
|
PseudoColorMask,
|
|
pScreenPriv->dwBitsPerRGB,
|
|
PseudoColor,
|
|
pScreenPriv->dwRedMask,
|
|
pScreenPriv->dwGreenMask,
|
|
pScreenPriv->dwBlueMask)) {
|
|
ErrorF("winInitVisualsShadowGDI - miSetVisualTypesAndMasks "
|
|
"failed\n");
|
|
return FALSE;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
ErrorF("winInitVisualsShadowGDI - Unknown screen depth\n");
|
|
return FALSE;
|
|
}
|
|
|
|
#if CYGDEBUG
|
|
winDebug("winInitVisualsShadowGDI - Returning\n");
|
|
#endif
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/*
|
|
* Adjust the proposed video mode
|
|
*/
|
|
|
|
static Bool
|
|
winAdjustVideoModeShadowGDI(ScreenPtr pScreen)
|
|
{
|
|
winScreenPriv(pScreen);
|
|
winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo;
|
|
HDC hdc;
|
|
DWORD dwBPP;
|
|
|
|
hdc = GetDC(NULL);
|
|
|
|
/* We're in serious trouble if we can't get a DC */
|
|
if (hdc == NULL) {
|
|
ErrorF("winAdjustVideoModeShadowGDI - GetDC () failed\n");
|
|
return FALSE;
|
|
}
|
|
|
|
/* Query GDI for current display depth */
|
|
dwBPP = GetDeviceCaps(hdc, BITSPIXEL);
|
|
|
|
/* GDI cannot change the screen depth, so always use GDI's depth */
|
|
pScreenInfo->dwBPP = dwBPP;
|
|
|
|
/* Release our DC */
|
|
ReleaseDC(NULL, hdc);
|
|
hdc = NULL;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/*
|
|
* Blt exposed regions to the screen
|
|
*/
|
|
|
|
static Bool
|
|
winBltExposedRegionsShadowGDI(ScreenPtr pScreen)
|
|
{
|
|
winScreenPriv(pScreen);
|
|
winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo;
|
|
winPrivCmapPtr pCmapPriv = NULL;
|
|
HDC hdcUpdate;
|
|
PAINTSTRUCT ps;
|
|
|
|
/* BeginPaint gives us an hdc that clips to the invalidated region */
|
|
hdcUpdate = BeginPaint(pScreenPriv->hwndScreen, &ps);
|
|
|
|
/* Realize the palette, if we have one */
|
|
if (pScreenPriv->pcmapInstalled != NULL) {
|
|
pCmapPriv = winGetCmapPriv(pScreenPriv->pcmapInstalled);
|
|
|
|
SelectPalette(hdcUpdate, pCmapPriv->hPalette, FALSE);
|
|
RealizePalette(hdcUpdate);
|
|
}
|
|
|
|
/* Our BitBlt will be clipped to the invalidated region */
|
|
BitBlt(hdcUpdate,
|
|
0, 0,
|
|
pScreenInfo->dwWidth, pScreenInfo->dwHeight,
|
|
pScreenPriv->hdcShadow, 0, 0, SRCCOPY);
|
|
|
|
/* EndPaint frees the DC */
|
|
EndPaint(pScreenPriv->hwndScreen, &ps);
|
|
|
|
#ifdef XWIN_MULTIWINDOW
|
|
/* Redraw all windows */
|
|
if (pScreenInfo->fMultiWindow)
|
|
EnumThreadWindows(g_dwCurrentThreadID, winRedrawAllProcShadowGDI,
|
|
(LPARAM) pScreenPriv->hwndScreen);
|
|
#endif
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/*
|
|
* Do any engine-specific appliation-activation processing
|
|
*/
|
|
|
|
static Bool
|
|
winActivateAppShadowGDI(ScreenPtr pScreen)
|
|
{
|
|
winScreenPriv(pScreen);
|
|
winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo;
|
|
|
|
/*
|
|
* 2004/04/12 - Harold - We perform the restoring or minimizing
|
|
* manually for ShadowGDI in fullscreen modes so that this engine
|
|
* will perform just like ShadowDD and ShadowDDNL in fullscreen mode;
|
|
* if we do not do this then our fullscreen window will appear in the
|
|
* z-order when it is deactivated and it can be uncovered by resizing
|
|
* or minimizing another window that is on top of it, which is not how
|
|
* the DirectDraw engines work. Therefore we keep this code here to
|
|
* make sure that all engines work the same in fullscreen mode.
|
|
*/
|
|
|
|
/*
|
|
* Are we active?
|
|
* Are we fullscreen?
|
|
*/
|
|
if (pScreenPriv->fActive && pScreenInfo->fFullScreen) {
|
|
/*
|
|
* Activating, attempt to bring our window
|
|
* to the top of the display
|
|
*/
|
|
ShowWindow(pScreenPriv->hwndScreen, SW_RESTORE);
|
|
}
|
|
else if (!pScreenPriv->fActive && pScreenInfo->fFullScreen) {
|
|
/*
|
|
* Deactivating, stuff our window onto the
|
|
* task bar.
|
|
*/
|
|
ShowWindow(pScreenPriv->hwndScreen, SW_MINIMIZE);
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/*
|
|
* Reblit the shadow framebuffer to the screen.
|
|
*/
|
|
|
|
static Bool
|
|
winRedrawScreenShadowGDI(ScreenPtr pScreen)
|
|
{
|
|
winScreenPriv(pScreen);
|
|
winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo;
|
|
|
|
/* Redraw the whole window, to take account for the new colors */
|
|
BitBlt(pScreenPriv->hdcScreen,
|
|
0, 0,
|
|
pScreenInfo->dwWidth, pScreenInfo->dwHeight,
|
|
pScreenPriv->hdcShadow, 0, 0, SRCCOPY);
|
|
|
|
#ifdef XWIN_MULTIWINDOW
|
|
/* Redraw all windows */
|
|
if (pScreenInfo->fMultiWindow)
|
|
EnumThreadWindows(g_dwCurrentThreadID, winRedrawAllProcShadowGDI, 0);
|
|
#endif
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/*
|
|
* Realize the currently installed colormap
|
|
*/
|
|
|
|
static Bool
|
|
winRealizeInstalledPaletteShadowGDI(ScreenPtr pScreen)
|
|
{
|
|
winScreenPriv(pScreen);
|
|
winPrivCmapPtr pCmapPriv = NULL;
|
|
|
|
#if CYGDEBUG
|
|
winDebug("winRealizeInstalledPaletteShadowGDI\n");
|
|
#endif
|
|
|
|
/* Don't do anything if there is not a colormap */
|
|
if (pScreenPriv->pcmapInstalled == NULL) {
|
|
#if CYGDEBUG
|
|
winDebug("winRealizeInstalledPaletteShadowGDI - No colormap "
|
|
"installed\n");
|
|
#endif
|
|
return TRUE;
|
|
}
|
|
|
|
pCmapPriv = winGetCmapPriv(pScreenPriv->pcmapInstalled);
|
|
|
|
/* Realize our palette for the screen */
|
|
if (RealizePalette(pScreenPriv->hdcScreen) == GDI_ERROR) {
|
|
ErrorF("winRealizeInstalledPaletteShadowGDI - RealizePalette () "
|
|
"failed\n");
|
|
return FALSE;
|
|
}
|
|
|
|
/* Set the DIB color table */
|
|
if (SetDIBColorTable(pScreenPriv->hdcShadow,
|
|
0,
|
|
WIN_NUM_PALETTE_ENTRIES, pCmapPriv->rgbColors) == 0) {
|
|
ErrorF("winRealizeInstalledPaletteShadowGDI - SetDIBColorTable () "
|
|
"failed\n");
|
|
return FALSE;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/*
|
|
* Install the specified colormap
|
|
*/
|
|
|
|
static Bool
|
|
winInstallColormapShadowGDI(ColormapPtr pColormap)
|
|
{
|
|
ScreenPtr pScreen = pColormap->pScreen;
|
|
|
|
winScreenPriv(pScreen);
|
|
winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo;
|
|
|
|
winCmapPriv(pColormap);
|
|
|
|
/*
|
|
* Tell Windows to install the new colormap
|
|
*/
|
|
if (SelectPalette(pScreenPriv->hdcScreen,
|
|
pCmapPriv->hPalette, FALSE) == NULL) {
|
|
ErrorF("winInstallColormapShadowGDI - SelectPalette () failed\n");
|
|
return FALSE;
|
|
}
|
|
|
|
/* Realize the palette */
|
|
if (GDI_ERROR == RealizePalette(pScreenPriv->hdcScreen)) {
|
|
ErrorF("winInstallColormapShadowGDI - RealizePalette () failed\n");
|
|
return FALSE;
|
|
}
|
|
|
|
/* Set the DIB color table */
|
|
if (SetDIBColorTable(pScreenPriv->hdcShadow,
|
|
0,
|
|
WIN_NUM_PALETTE_ENTRIES, pCmapPriv->rgbColors) == 0) {
|
|
ErrorF("winInstallColormapShadowGDI - SetDIBColorTable () failed\n");
|
|
return FALSE;
|
|
}
|
|
|
|
/* Redraw the whole window, to take account for the new colors */
|
|
BitBlt(pScreenPriv->hdcScreen,
|
|
0, 0,
|
|
pScreenInfo->dwWidth, pScreenInfo->dwHeight,
|
|
pScreenPriv->hdcShadow, 0, 0, SRCCOPY);
|
|
|
|
/* Save a pointer to the newly installed colormap */
|
|
pScreenPriv->pcmapInstalled = pColormap;
|
|
|
|
#ifdef XWIN_MULTIWINDOW
|
|
/* Redraw all windows */
|
|
if (pScreenInfo->fMultiWindow)
|
|
EnumThreadWindows(g_dwCurrentThreadID, winRedrawAllProcShadowGDI, 0);
|
|
#endif
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/*
|
|
* Store the specified colors in the specified colormap
|
|
*/
|
|
|
|
static Bool
|
|
winStoreColorsShadowGDI(ColormapPtr pColormap, int ndef, xColorItem * pdefs)
|
|
{
|
|
ScreenPtr pScreen = pColormap->pScreen;
|
|
|
|
winScreenPriv(pScreen);
|
|
winCmapPriv(pColormap);
|
|
ColormapPtr curpmap = pScreenPriv->pcmapInstalled;
|
|
|
|
/* Put the X colormap entries into the Windows logical palette */
|
|
if (SetPaletteEntries(pCmapPriv->hPalette,
|
|
pdefs[0].pixel,
|
|
ndef, pCmapPriv->peColors + pdefs[0].pixel) == 0) {
|
|
ErrorF("winStoreColorsShadowGDI - SetPaletteEntries () failed\n");
|
|
return FALSE;
|
|
}
|
|
|
|
/* Don't install the Windows palette if the colormap is not installed */
|
|
if (pColormap != curpmap) {
|
|
return TRUE;
|
|
}
|
|
|
|
/* Try to install the newly modified colormap */
|
|
if (!winInstallColormapShadowGDI(pColormap)) {
|
|
ErrorF("winInstallColormapShadowGDI - winInstallColormapShadowGDI "
|
|
"failed\n");
|
|
return FALSE;
|
|
}
|
|
|
|
#if 0
|
|
/* Tell Windows that the palette has changed */
|
|
RealizePalette(pScreenPriv->hdcScreen);
|
|
|
|
/* Set the DIB color table */
|
|
if (SetDIBColorTable(pScreenPriv->hdcShadow,
|
|
pdefs[0].pixel,
|
|
ndef, pCmapPriv->rgbColors + pdefs[0].pixel) == 0) {
|
|
ErrorF("winInstallColormapShadowGDI - SetDIBColorTable () failed\n");
|
|
return FALSE;
|
|
}
|
|
|
|
/* Save a pointer to the newly installed colormap */
|
|
pScreenPriv->pcmapInstalled = pColormap;
|
|
#endif
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/*
|
|
* Colormap initialization procedure
|
|
*/
|
|
|
|
static Bool
|
|
winCreateColormapShadowGDI(ColormapPtr pColormap)
|
|
{
|
|
LPLOGPALETTE lpPaletteNew = NULL;
|
|
DWORD dwEntriesMax;
|
|
VisualPtr pVisual;
|
|
HPALETTE hpalNew = NULL;
|
|
|
|
winCmapPriv(pColormap);
|
|
|
|
/* Get a pointer to the visual that the colormap belongs to */
|
|
pVisual = pColormap->pVisual;
|
|
|
|
/* Get the maximum number of palette entries for this visual */
|
|
dwEntriesMax = pVisual->ColormapEntries;
|
|
|
|
/* Allocate a Windows logical color palette with max entries */
|
|
lpPaletteNew = malloc(sizeof(LOGPALETTE)
|
|
+ (dwEntriesMax - 1) * sizeof(PALETTEENTRY));
|
|
if (lpPaletteNew == NULL) {
|
|
ErrorF("winCreateColormapShadowGDI - Couldn't allocate palette "
|
|
"with %d entries\n", (int) dwEntriesMax);
|
|
return FALSE;
|
|
}
|
|
|
|
/* Zero out the colormap */
|
|
ZeroMemory(lpPaletteNew, sizeof(LOGPALETTE)
|
|
+ (dwEntriesMax - 1) * sizeof(PALETTEENTRY));
|
|
|
|
/* Set the logical palette structure */
|
|
lpPaletteNew->palVersion = 0x0300;
|
|
lpPaletteNew->palNumEntries = dwEntriesMax;
|
|
|
|
/* Tell Windows to create the palette */
|
|
hpalNew = CreatePalette(lpPaletteNew);
|
|
if (hpalNew == NULL) {
|
|
ErrorF("winCreateColormapShadowGDI - CreatePalette () failed\n");
|
|
free(lpPaletteNew);
|
|
return FALSE;
|
|
}
|
|
|
|
/* Save the Windows logical palette handle in the X colormaps' privates */
|
|
pCmapPriv->hPalette = hpalNew;
|
|
|
|
/* Free the palette initialization memory */
|
|
free(lpPaletteNew);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/*
|
|
* Colormap destruction procedure
|
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*/
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static Bool
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winDestroyColormapShadowGDI(ColormapPtr pColormap)
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{
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winScreenPriv(pColormap->pScreen);
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winCmapPriv(pColormap);
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/*
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* Is colormap to be destroyed the default?
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*
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* Non-default colormaps should have had winUninstallColormap
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* called on them before we get here. The default colormap
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* will not have had winUninstallColormap called on it. Thus,
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* we need to handle the default colormap in a special way.
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*/
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if (pColormap->flags & IsDefault) {
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#if CYGDEBUG
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winDebug("winDestroyColormapShadowGDI - Destroying default "
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"colormap\n");
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#endif
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/*
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* FIXME: Walk the list of all screens, popping the default
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* palette out of each screen device context.
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*/
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/* Pop the palette out of the device context */
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SelectPalette(pScreenPriv->hdcScreen,
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GetStockObject(DEFAULT_PALETTE), FALSE);
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|
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/* Clear our private installed colormap pointer */
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pScreenPriv->pcmapInstalled = NULL;
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}
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/* Try to delete the logical palette */
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if (DeleteObject(pCmapPriv->hPalette) == 0) {
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ErrorF("winDestroyColormap - DeleteObject () failed\n");
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return FALSE;
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}
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/* Invalidate the colormap privates */
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pCmapPriv->hPalette = NULL;
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return TRUE;
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}
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|
|
/*
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|
* Set engine specific funtions
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|
*/
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|
|
|
Bool
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|
winSetEngineFunctionsShadowGDI(ScreenPtr pScreen)
|
|
{
|
|
winScreenPriv(pScreen);
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|
winScreenInfo *pScreenInfo = pScreenPriv->pScreenInfo;
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|
|
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/* Set our pointers */
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pScreenPriv->pwinAllocateFB = winAllocateFBShadowGDI;
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pScreenPriv->pwinFreeFB = winFreeFBShadowGDI;
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pScreenPriv->pwinShadowUpdate = winShadowUpdateGDI;
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pScreenPriv->pwinInitScreen = winInitScreenShadowGDI;
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pScreenPriv->pwinCloseScreen = winCloseScreenShadowGDI;
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pScreenPriv->pwinInitVisuals = winInitVisualsShadowGDI;
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pScreenPriv->pwinAdjustVideoMode = winAdjustVideoModeShadowGDI;
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if (pScreenInfo->fFullScreen)
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pScreenPriv->pwinCreateBoundingWindow =
|
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winCreateBoundingWindowFullScreen;
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else
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pScreenPriv->pwinCreateBoundingWindow = winCreateBoundingWindowWindowed;
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pScreenPriv->pwinFinishScreenInit = winFinishScreenInitFB;
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pScreenPriv->pwinBltExposedRegions = winBltExposedRegionsShadowGDI;
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pScreenPriv->pwinActivateApp = winActivateAppShadowGDI;
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pScreenPriv->pwinRedrawScreen = winRedrawScreenShadowGDI;
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pScreenPriv->pwinRealizeInstalledPalette =
|
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winRealizeInstalledPaletteShadowGDI;
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pScreenPriv->pwinInstallColormap = winInstallColormapShadowGDI;
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pScreenPriv->pwinStoreColors = winStoreColorsShadowGDI;
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pScreenPriv->pwinCreateColormap = winCreateColormapShadowGDI;
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pScreenPriv->pwinDestroyColormap = winDestroyColormapShadowGDI;
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pScreenPriv->pwinHotKeyAltTab =
|
|
(winHotKeyAltTabProcPtr) (void (*)(void)) NoopDDA;
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pScreenPriv->pwinCreatePrimarySurface =
|
|
(winCreatePrimarySurfaceProcPtr) (void (*)(void)) NoopDDA;
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|
pScreenPriv->pwinReleasePrimarySurface =
|
|
(winReleasePrimarySurfaceProcPtr) (void (*)(void)) NoopDDA;
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|
#ifdef XWIN_MULTIWINDOW
|
|
pScreenPriv->pwinFinishCreateWindowsWindow =
|
|
(winFinishCreateWindowsWindowProcPtr) (void (*)(void)) NoopDDA;
|
|
#endif
|
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|
return TRUE;
|
|
}
|