diff options
Diffstat (limited to 'hw/xwin/wingetsp.c')
| -rw-r--r-- | hw/xwin/wingetsp.c | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/hw/xwin/wingetsp.c b/hw/xwin/wingetsp.c new file mode 100644 index 000000000..637debb9e --- /dev/null +++ b/hw/xwin/wingetsp.c @@ -0,0 +1,164 @@ +/* + *Copyright (C) 1994-2000 The XFree86 Project, Inc. All Rights Reserved. + * + *Permission is hereby granted, free of charge, to any person obtaining + * a copy of this software and associated documentation files (the + *"Software"), to deal in the Software without restriction, including + *without limitation the rights to use, copy, modify, merge, publish, + *distribute, sublicense, and/or sell copies of the Software, and to + *permit persons to whom the Software is furnished to do so, subject to + *the following conditions: + * + *The above copyright notice and this permission notice shall be + *included in all copies or substantial portions of the Software. + * + *THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + *EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + *MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + *NONINFRINGEMENT. IN NO EVENT SHALL THE XFREE86 PROJECT BE LIABLE FOR + *ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF + *CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION + *WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + *Except as contained in this notice, the name of the XFree86 Project + *shall not be used in advertising or otherwise to promote the sale, use + *or other dealings in this Software without prior written authorization + *from the XFree86 Project. + * + * Authors: Harold L Hunt II + */ +/* $XFree86: xc/programs/Xserver/hw/xwin/wingetsp.c,v 1.7 2001/11/01 12:19:40 alanh Exp $ */ + +#include "win.h" + +/* See Porting Layer Definition - p. 55 */ +void +winGetSpansNativeGDI (DrawablePtr pDrawable, + int nMax, + DDXPointPtr pPoints, + int *piWidths, + int iSpans, + char *pDsts) +{ + PixmapPtr pPixmap = NULL; + winPrivPixmapPtr pPixmapPriv = NULL; + int iSpan; + DDXPointPtr pPoint = NULL; + int *piWidth = NULL; + char *pDst = pDsts; + int iBytesToCopy; + HBITMAP hbmpWindow, hbmpOrig; + BYTE *pbWindow = NULL; + HDC hdcMem; + ScreenPtr pScreen = pDrawable->pScreen; + winScreenPriv(pScreen); + int iByteWidth; + + /* Branch on the drawable type */ + switch (pDrawable->type) + { + case DRAWABLE_PIXMAP: + ErrorF ("winGetSpans - DRAWABLE_PIXMAP %08x\n", + pDrawable); + + pPixmap = (PixmapPtr) pDrawable; + pPixmapPriv = winGetPixmapPriv (pPixmap); + + /* Loop through spans */ + for (iSpan = 0; iSpan < iSpans; ++iSpan) + { + pPoint = pPoints + iSpan; + piWidth = piWidths + iSpan; + + iBytesToCopy = PixmapBytePad (*piWidth, pDrawable->depth); + + memcpy (pDst, + pPixmapPriv->pbBits + + pPixmapPriv->dwScanlineBytes * pPoint->y, + iBytesToCopy); + + ErrorF ("(%dx%dx%d) (%d,%d) w: %d\n", + pDrawable->width, pDrawable->height, pDrawable->depth, + pPoint->x, pPoint->y, *piWidth); + + /* Calculate offset of next bit destination */ + pDst += 4 * ((*piWidth + 31) / 32); + } + break; + + case DRAWABLE_WINDOW: + ErrorF ("winGetSpans - DRAWABLE_WINDOW\n"); + + /* + * FIXME: Making huge assumption here that we are copying the + * area behind where the cursor will be displayed. We already + * know the size of the cursor, so this works, for now. + */ + + /* Create a bitmap to blit the window data to */ + hbmpWindow = winCreateDIBNativeGDI (*piWidths, + *piWidths, + pDrawable->depth, + &pbWindow, + NULL); + + /* Open a memory HDC */ + hdcMem = CreateCompatibleDC (NULL); + + /* Select the window bitmap */ + hbmpOrig = SelectObject (hdcMem, hbmpWindow); + + /* Transfer the window bits to the window bitmap */ + BitBlt (hdcMem, + 0, 0, + *piWidths, *piWidths, /* FIXME: Assuming square region */ + pScreenPriv->hdcScreen, + pPoints->x, pPoints->y, + SRCCOPY); + + /* Pop the window bitmap out of the HDC */ + SelectObject (hdcMem, hbmpOrig); + + /* Delete the memory HDC */ + DeleteDC (hdcMem); + hdcMem = NULL; + + iByteWidth = PixmapBytePad (*piWidths, pDrawable->depth); + + /* Loop through spans */ + for (iSpan = 0; iSpan < iSpans; ++iSpan) + { + pPoint = pPoints + iSpan; + piWidth = piWidths + iSpan; + + iBytesToCopy = PixmapBytePad (*piWidth, pDrawable->depth); + + memcpy (pDst, + pbWindow + iByteWidth * (pPoint->y - pPoints->y), + iBytesToCopy); + + ErrorF ("(%dx%dx%d) (%d,%d) w: %d\n", + pDrawable->width, pDrawable->height, pDrawable->depth, + pPoint->x, pPoint->y, *piWidth); + + /* Calculate offset of next bit destination */ + pDst += 4 * ((*piWidth + 31) / 32); + } + + /* Delete the window bitmap */ + DeleteObject (hbmpWindow); + break; + + case UNDRAWABLE_WINDOW: + FatalError ("winGetSpans - UNDRAWABLE_WINDOW\n"); + break; + + case DRAWABLE_BUFFER: + FatalError ("winGetSpans - DRAWABLE_BUFFER\n"); + break; + + default: + FatalError ("winGetSpans - Unknown drawable type\n"); + break; + } +} |