diff options
Diffstat (limited to 'xorg-server/hw/xwin/wingetsp.c')
| -rw-r--r-- | xorg-server/hw/xwin/wingetsp.c | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/xorg-server/hw/xwin/wingetsp.c b/xorg-server/hw/xwin/wingetsp.c new file mode 100644 index 000000000..03f7f1012 --- /dev/null +++ b/xorg-server/hw/xwin/wingetsp.c @@ -0,0 +1,192 @@ +/* + *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 + * Alan Hourihane <alanh@fairlite.demon.co.uk> + */ + +#ifdef HAVE_XWIN_CONFIG_H +#include <xwin-config.h> +#endif +#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; + HBITMAP hbmpWindow, hbmpOrig, hbmpOrig1; + BYTE *pbWindow = NULL; + HDC hdcMem, hdcMem1; + ScreenPtr pScreen = pDrawable->pScreen; + winScreenPriv(pScreen); + + /* Branch on the drawable type */ + switch (pDrawable->type) + { + case DRAWABLE_PIXMAP: +#if 0 + ErrorF ("winGetSpans - DRAWABLE_PIXMAP %08x\n", + pDrawable); +#endif + + pPixmap = (PixmapPtr) pDrawable; + pPixmapPriv = winGetPixmapPriv (pPixmap); + + /* Open a memory HDC */ + hdcMem1 = CreateCompatibleDC (NULL); + hdcMem = CreateCompatibleDC (NULL); + + /* Select the drawable pixmap into a DC */ + hbmpOrig1 = SelectObject (hdcMem1, pPixmapPriv->hBitmap); + + if (hbmpOrig1 == NULL) + FatalError ("winGetSpans - DRAWABLE_PIXMAP - SelectObject () " + "failed on pPixmapPriv->hBitmap\n"); + + /* Loop through spans */ + for (iSpan = 0; iSpan < iSpans; ++iSpan) + { + pPoint = pPoints + iSpan; + piWidth = piWidths + iSpan; + + hbmpWindow = winCreateDIBNativeGDI (*piWidth, 1, + pDrawable->depth, + &pbWindow, + NULL); + + hbmpOrig = SelectObject (hdcMem, hbmpWindow); + + /* Transfer the window bits to the window bitmap */ + BitBlt (hdcMem, + 0, 0, + *piWidth, 1, + hdcMem1, + pPoint->x, pPoint->y, + SRCCOPY); + + memcpy (pDst, + (char*) pbWindow, + PixmapBytePad (*piWidth, pDrawable->depth)); + + /* Pop the window bitmap out of the HDC and delete the bitmap */ + SelectObject (hdcMem, hbmpOrig); + DeleteObject (hbmpWindow); + +#if 0 + ErrorF ("(%dx%dx%d) (%d,%d) w: %d\n", + pDrawable->width, pDrawable->height, pDrawable->depth, + pPoint->x, pPoint->y, *piWidth); +#endif + + /* Calculate offset of next bit destination */ + pDst += PixmapBytePad (*piWidth, pDrawable->depth); + } + + /* Pop the pixmap's bitmap out of the HDC */ + SelectObject (hdcMem1, hbmpOrig1); + + /* Delete the HDCs */ + DeleteDC (hdcMem1); + DeleteDC (hdcMem); + break; + + case DRAWABLE_WINDOW: +#if 0 + ErrorF ("winGetSpans - DRAWABLE_WINDOW\n"); +#endif + + /* Open a memory HDC */ + hdcMem = CreateCompatibleDC (NULL); + + /* Loop through spans */ + for (iSpan = 0; iSpan < iSpans; ++iSpan) + { + pPoint = pPoints + iSpan; + piWidth = piWidths + iSpan; + + hbmpWindow = winCreateDIBNativeGDI (*piWidth, 1, + pDrawable->depth, + &pbWindow, + NULL); + + hbmpOrig = SelectObject (hdcMem, hbmpWindow); + + /* Transfer the window bits to the window bitmap */ + BitBlt (hdcMem, + 0, 0, + *piWidth, 1, + pScreenPriv->hdcScreen, + pPoint->x, pPoint->y, + SRCCOPY); + + memcpy (pDst, + (char*) pbWindow, + PixmapBytePad (*piWidth, pDrawable->depth)); + + /* Pop the window bitmap out of the HDC */ + SelectObject (hdcMem, hbmpOrig); + + DeleteObject (hbmpWindow); + +#if 0 + ErrorF ("(%dx%dx%d) (%d,%d) w: %d\n", + pDrawable->width, pDrawable->height, pDrawable->depth, + pPoint->x, pPoint->y, *piWidth); +#endif + + /* Calculate offset of next bit destination */ + pDst += PixmapBytePad (*piWidth, pDrawable->depth); + } + + /* Delete the window bitmap */ + DeleteDC (hdcMem); + 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; + } +} |