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/*
*Copyright (C) 2001-2004 Harold L Hunt II 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 HAROLD L HUNT II 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 Harold L Hunt II
*shall not be used in advertising or otherwise to promote the sale, use
*or other dealings in this Software without prior written authorization
*from Harold L Hunt II.
*
* Authors: Harold L Hunt II
*/
#ifdef HAVE_XWIN_CONFIG_H
#include <xwin-config.h>
#endif
#include "win.h"
/*
* Local prototypes
*/
static void
winValidateGCNativeGDI(GCPtr pGC, unsigned long changes, DrawablePtr pDrawable);
static void
winDestroyGCNativeGDI(GCPtr pGC);
const GCFuncs winGCFuncs = {
winValidateGCNativeGDI,
miChangeGC,
miCopyGC,
winDestroyGCNativeGDI,
miChangeClip,
miDestroyClip,
miCopyClip,
};
/* Drawing Primitives */
const GCOps winGCOps = {
winFillSpansNativeGDI,
winSetSpansNativeGDI,
miPutImage,
miCopyArea,
miCopyPlane,
miPolyPoint,
winPolyLineNativeGDI,
miPolySegment,
miPolyRectangle,
miPolyArc,
miFillPolygon,
miPolyFillRect,
miPolyFillArc,
miPolyText8,
miPolyText16,
miImageText8,
miImageText16,
miImageGlyphBlt,
miPolyGlyphBlt,
miPushPixels,
};
/* See Porting Layer Definition - p. 45 */
/* See mfb/mfbgc.c - mfbCreateGC() */
/* See Strategies for Porting - pp. 15, 16 */
Bool
winCreateGCNativeGDI(GCPtr pGC)
{
winPrivGCPtr pGCPriv = NULL;
winPrivScreenPtr pScreenPriv = NULL;
winDebug ("winCreateGCNativeGDI - depth: %d\n", pGC->depth);
pGC->ops = (GCOps *) &winGCOps;
pGC->funcs = (GCFuncs *) &winGCFuncs;
/* We want all coordinates passed to spans functions to be screen relative */
pGC->miTranslate = TRUE;
/* Allocate privates for this GC */
pGCPriv = winGetGCPriv(pGC);
if (pGCPriv == NULL) {
ErrorF("winCreateGCNativeGDI () - Privates pointer was NULL\n");
return FALSE;
}
/* Create a new screen DC for the display window */
pScreenPriv = winGetScreenPriv(pGC->pScreen);
pGCPriv->hdc = GetDC(pScreenPriv->hwndScreen);
/* Allocate a memory DC for the GC */
pGCPriv->hdcMem = CreateCompatibleDC(pGCPriv->hdc);
return TRUE;
}
static void
winValidateGCNativeGDI(GCPtr pGC,
unsigned long ulChanges, DrawablePtr pDrawable)
{
if ((ulChanges &
(GCClipXOrigin | GCClipYOrigin | GCClipMask | GCSubwindowMode))
|| (pDrawable->serialNumber !=
(pGC->serialNumber & DRAWABLE_SERIAL_BITS))) {
miComputeCompositeClip(pGC, pDrawable);
}
}
/* See Porting Layer Definition - p. 46 */
static void
winDestroyGCNativeGDI(GCPtr pGC)
{
winGCPriv(pGC);
winScreenPriv(pGC->pScreen);
if (pGC->freeCompClip)
RegionDestroy(pGC->pCompositeClip);
/* Free the memory DC */
if (pGCPriv->hdcMem != NULL) {
DeleteDC(pGCPriv->hdcMem);
pGCPriv->hdcMem = NULL;
}
/* Release the screen DC for the display window */
if (pGCPriv->hdc != NULL) {
ReleaseDC(pScreenPriv->hwndScreen, pGCPriv->hdc);
pGCPriv->hdc = NULL;
}
/* Invalidate the GC privates pointer */
winSetGCPriv(pGC, NULL);
}
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