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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
winSetSpansNativeGDI (DrawablePtr pDrawable,
GCPtr pGC,
char *pSrcs,
DDXPointPtr pPoints,
int *piWidths,
int iSpans,
int fSorted)
{
winGCPriv(pGC);
PixmapPtr pPixmap = NULL;
winPrivPixmapPtr pPixmapPriv = NULL;
HBITMAP hbmpOrig = NULL;
BITMAPINFO bmi;
HRGN hrgn = NULL, combined = NULL;
int nbox;
BoxPtr pbox;
nbox = RegionNumRects (pGC->pCompositeClip);
pbox = RegionRects (pGC->pCompositeClip);
if (!nbox) return;
combined = CreateRectRgn (pbox->x1, pbox->y1, pbox->x2, pbox->y2);
nbox--; pbox++;
while (nbox--)
{
hrgn = CreateRectRgn (pbox->x1, pbox->y1, pbox->x2, pbox->y2);
CombineRgn (combined, combined, hrgn, RGN_OR);
DeleteObject (hrgn);
hrgn = NULL;
pbox++;
}
/* Branch on the drawable type */
switch (pDrawable->type)
{
case DRAWABLE_PIXMAP:
SelectClipRgn (pGCPriv->hdcMem, combined);
DeleteObject (combined);
combined = NULL;
pPixmap = (PixmapPtr) pDrawable;
pPixmapPriv = winGetPixmapPriv (pPixmap);
/* Select the drawable pixmap into a DC */
hbmpOrig = SelectObject (pGCPriv->hdcMem, pPixmapPriv->hBitmap);
if (hbmpOrig == NULL)
FatalError ("winSetSpans - DRAWABLE_PIXMAP - SelectObject () "
"failed on pPixmapPriv->hBitmap\n");
while (iSpans--)
{
ZeroMemory (&bmi, sizeof (BITMAPINFO));
bmi.bmiHeader.biSize = sizeof (BITMAPINFOHEADER);
bmi.bmiHeader.biWidth = *piWidths;
bmi.bmiHeader.biHeight = 1;
bmi.bmiHeader.biPlanes = 1;
bmi.bmiHeader.biBitCount = pDrawable->depth;
bmi.bmiHeader.biCompression = BI_RGB;
/* Setup color table for mono DIBs */
if (pDrawable->depth == 1)
{
bmi.bmiColors[1].rgbBlue = 255;
bmi.bmiColors[1].rgbGreen = 255;
bmi.bmiColors[1].rgbRed = 255;
}
StretchDIBits (pGCPriv->hdcMem,
pPoints->x, pPoints->y,
*piWidths, 1,
0, 0,
*piWidths, 1,
pSrcs,
(BITMAPINFO *) &bmi,
DIB_RGB_COLORS,
g_copyROP[pGC->alu]);
pSrcs += PixmapBytePad (*piWidths, pDrawable->depth);
pPoints++;
piWidths++;
}
/* Reset the clip region */
SelectClipRgn (pGCPriv->hdcMem, NULL);
/* Push the drawable pixmap out of the GC HDC */
SelectObject (pGCPriv->hdcMem, hbmpOrig);
break;
case DRAWABLE_WINDOW:
SelectClipRgn (pGCPriv->hdc, combined);
DeleteObject (combined);
combined = NULL;
while (iSpans--)
{
ZeroMemory (&bmi, sizeof (BITMAPINFO));
bmi.bmiHeader.biSize = sizeof (BITMAPINFOHEADER);
bmi.bmiHeader.biWidth = *piWidths;
bmi.bmiHeader.biHeight = 1;
bmi.bmiHeader.biPlanes = 1;
bmi.bmiHeader.biBitCount = pDrawable->depth;
bmi.bmiHeader.biCompression = BI_RGB;
/* Setup color table for mono DIBs */
if (pDrawable->depth == 1)
{
bmi.bmiColors[1].rgbBlue = 255;
bmi.bmiColors[1].rgbGreen = 255;
bmi.bmiColors[1].rgbRed = 255;
}
StretchDIBits (pGCPriv->hdc,
pPoints->x, pPoints->y,
*piWidths, 1,
0, 0,
*piWidths, 1,
pSrcs,
(BITMAPINFO *) &bmi,
DIB_RGB_COLORS,
g_copyROP[pGC->alu]);
pSrcs += PixmapBytePad (*piWidths, pDrawable->depth);
pPoints++;
piWidths++;
}
/* Reset the clip region */
SelectClipRgn (pGCPriv->hdc, NULL);
break;
case UNDRAWABLE_WINDOW:
FatalError ("\nwinSetSpansNativeGDI - UNDRAWABLE_WINDOW\n\n");
break;
case DRAWABLE_BUFFER:
FatalError ("\nwinSetSpansNativeGDI - DRAWABLE_BUFFER\n\n");
break;
default:
FatalError ("\nwinSetSpansNativeGDI - Unknown drawable type\n\n");
break;
}
}
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