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Diffstat (limited to 'xorg-server/hw/xwin/wingetsp.c')
-rw-r--r--xorg-server/hw/xwin/wingetsp.c192
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
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+/*
+ *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;
+ }
+}