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misprite.c
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/*
* misprite.c
*
* machine independent software sprite routines
*/
/* $Xorg: misprite.c,v 1.4 2001/02/09 02:05:22 xorgcvs Exp $ */
/*
Copyright 1989, 1998 The Open Group
Permission to use, copy, modify, distribute, and sell this software and its
documentation for any purpose is hereby granted without fee, provided that
the above copyright notice appear in all copies and that both that
copyright notice and this permission notice appear in supporting
documentation.
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
OPEN GROUP 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 Open Group 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 Open Group.
*/
# include "X.h"
# include "Xproto.h"
# include "misc.h"
# include "pixmapstr.h"
# include "input.h"
# include "mi.h"
# include "cursorstr.h"
# include "font.h"
# include "scrnintstr.h"
# include "colormapst.h"
# include "windowstr.h"
# include "gcstruct.h"
# include "mipointer.h"
# include "mispritest.h"
# include "dixfontstr.h"
# include "fontstruct.h"
/*
* screen wrappers
*/
static int miSpriteScreenIndex;
static unsigned long miSpriteGeneration = 0;
static Bool miSpriteCloseScreen();
static void miSpriteGetImage();
static void miSpriteGetSpans();
static void miSpriteSourceValidate();
static Bool miSpriteCreateGC();
static void miSpriteBlockHandler();
static void miSpriteInstallColormap();
static void miSpriteStoreColors();
static void miSpritePaintWindowBackground();
static void miSpritePaintWindowBorder();
static void miSpriteCopyWindow();
static void miSpriteClearToBackground();
static void miSpriteSaveDoomedAreas();
static RegionPtr miSpriteRestoreAreas();
static void miSpriteComputeSaved();
#define SCREEN_PROLOGUE(pScreen, field)\
((pScreen)->field = \
((miSpriteScreenPtr) (pScreen)->devPrivates[miSpriteScreenIndex].ptr)->field)
#define SCREEN_EPILOGUE(pScreen, field, wrapper)\
((pScreen)->field = wrapper)
/*
* GC func wrappers
*/
static int miSpriteGCIndex;
static void miSpriteValidateGC (), miSpriteCopyGC ();
static void miSpriteDestroyGC(), miSpriteChangeGC();
static void miSpriteChangeClip(), miSpriteDestroyClip();
static void miSpriteCopyClip();
static GCFuncs miSpriteGCFuncs = {
miSpriteValidateGC,
miSpriteChangeGC,
miSpriteCopyGC,
miSpriteDestroyGC,
miSpriteChangeClip,
miSpriteDestroyClip,
miSpriteCopyClip,
};
#define GC_FUNC_PROLOGUE(pGC) \
miSpriteGCPtr pGCPriv = \
(miSpriteGCPtr) (pGC)->devPrivates[miSpriteGCIndex].ptr;\
(pGC)->funcs = pGCPriv->wrapFuncs; \
if (pGCPriv->wrapOps) \
(pGC)->ops = pGCPriv->wrapOps;
#define GC_FUNC_EPILOGUE(pGC) \
pGCPriv->wrapFuncs = (pGC)->funcs; \
(pGC)->funcs = &miSpriteGCFuncs; \
if (pGCPriv->wrapOps) \
{ \
pGCPriv->wrapOps = (pGC)->ops; \
(pGC)->ops = &miSpriteGCOps; \
}
/*
* GC op wrappers
*/
static void miSpriteFillSpans(), miSpriteSetSpans();
static void miSpritePutImage();
static RegionPtr miSpriteCopyArea(), miSpriteCopyPlane();
static void miSpritePolyPoint(), miSpritePolylines();
static void miSpritePolySegment(), miSpritePolyRectangle();
static void miSpritePolyArc(), miSpriteFillPolygon();
static void miSpritePolyFillRect(), miSpritePolyFillArc();
static int miSpritePolyText8(), miSpritePolyText16();
static void miSpriteImageText8(), miSpriteImageText16();
static void miSpriteImageGlyphBlt(), miSpritePolyGlyphBlt();
static void miSpritePushPixels();
#ifdef NEED_LINEHELPER
static void miSpriteLineHelper();
#endif
static GCOps miSpriteGCOps = {
miSpriteFillSpans, miSpriteSetSpans, miSpritePutImage,
miSpriteCopyArea, miSpriteCopyPlane, miSpritePolyPoint,
miSpritePolylines, miSpritePolySegment, miSpritePolyRectangle,
miSpritePolyArc, miSpriteFillPolygon, miSpritePolyFillRect,
miSpritePolyFillArc, miSpritePolyText8, miSpritePolyText16,
miSpriteImageText8, miSpriteImageText16, miSpriteImageGlyphBlt,
miSpritePolyGlyphBlt, miSpritePushPixels
#ifdef NEED_LINEHELPER
, miSpriteLineHelper
#endif
};
/*
* testing only -- remove cursor for every draw. Eventually,
* each draw operation will perform a bounding box check against
* the saved cursor area
*/
#define GC_SETUP_CHEAP(pDrawable) \
miSpriteScreenPtr pScreenPriv = (miSpriteScreenPtr) \
(pDrawable)->pScreen->devPrivates[miSpriteScreenIndex].ptr; \
#define GC_SETUP(pDrawable, pGC) \
GC_SETUP_CHEAP(pDrawable) \
miSpriteGCPtr pGCPrivate = (miSpriteGCPtr) \
(pGC)->devPrivates[miSpriteGCIndex].ptr; \
GCFuncs *oldFuncs = pGC->funcs;
#define GC_SETUP_AND_CHECK(pDrawable, pGC) \
GC_SETUP(pDrawable, pGC); \
if (GC_CHECK((WindowPtr)pDrawable)) \
miSpriteRemoveCursor (pDrawable->pScreen);
#define GC_CHECK(pWin) \
(pScreenPriv->isUp && \
(pScreenPriv->pCacheWin == pWin ? \
pScreenPriv->isInCacheWin : ( \
((int) (pScreenPriv->pCacheWin = (pWin))) , \
(pScreenPriv->isInCacheWin = \
(pWin)->drawable.x < pScreenPriv->saved.x2 && \
pScreenPriv->saved.x1 < (pWin)->drawable.x + \
(int) (pWin)->drawable.width && \
(pWin)->drawable.y < pScreenPriv->saved.y2 && \
pScreenPriv->saved.y1 < (pWin)->drawable.y + \
(int) (pWin)->drawable.height &&\
RECT_IN_REGION((pWin)->drawable.pScreen, &(pWin)->borderClip, \
&pScreenPriv->saved) != rgnOUT))))
#define GC_OP_PROLOGUE(pGC) { \
(pGC)->funcs = pGCPrivate->wrapFuncs; \
(pGC)->ops = pGCPrivate->wrapOps; \
}
#define GC_OP_EPILOGUE(pGC) { \
pGCPrivate->wrapOps = (pGC)->ops; \
(pGC)->funcs = oldFuncs; \
(pGC)->ops = &miSpriteGCOps; \
}
/*
* pointer-sprite method table
*/
static Bool miSpriteRealizeCursor (), miSpriteUnrealizeCursor ();
static void miSpriteSetCursor (), miSpriteMoveCursor ();
miPointerSpriteFuncRec miSpritePointerFuncs = {
miSpriteRealizeCursor,
miSpriteUnrealizeCursor,
miSpriteSetCursor,
miSpriteMoveCursor,
};
/*
* other misc functions
*/
static void miSpriteRemoveCursor (), miSpriteRestoreCursor();
/*
* miSpriteInitialize -- called from device-dependent screen
* initialization proc after all of the function pointers have
* been stored in the screen structure.
*/
Bool
miSpriteInitialize (pScreen, cursorFuncs, screenFuncs)
ScreenPtr pScreen;
miSpriteCursorFuncPtr cursorFuncs;
miPointerScreenFuncPtr screenFuncs;
{
miSpriteScreenPtr pPriv;
VisualPtr pVisual;
if (miSpriteGeneration != serverGeneration)
{
miSpriteScreenIndex = AllocateScreenPrivateIndex ();
if (miSpriteScreenIndex < 0)
return FALSE;
miSpriteGeneration = serverGeneration;
miSpriteGCIndex = AllocateGCPrivateIndex ();
}
if (!AllocateGCPrivate(pScreen, miSpriteGCIndex, sizeof(miSpriteGCRec)))
return FALSE;
pPriv = (miSpriteScreenPtr) xalloc (sizeof (miSpriteScreenRec));
if (!pPriv)
return FALSE;
if (!miPointerInitialize (pScreen, &miSpritePointerFuncs, screenFuncs,TRUE))
{
xfree ((pointer) pPriv);
return FALSE;
}
for (pVisual = pScreen->visuals;
pVisual->vid != pScreen->rootVisual;
pVisual++)
;
pPriv->pVisual = pVisual;
pPriv->CloseScreen = pScreen->CloseScreen;
pPriv->GetImage = pScreen->GetImage;
pPriv->GetSpans = pScreen->GetSpans;
pPriv->SourceValidate = pScreen->SourceValidate;
pPriv->CreateGC = pScreen->CreateGC;
pPriv->BlockHandler = pScreen->BlockHandler;
pPriv->InstallColormap = pScreen->InstallColormap;
pPriv->StoreColors = pScreen->StoreColors;
pPriv->PaintWindowBackground = pScreen->PaintWindowBackground;
pPriv->PaintWindowBorder = pScreen->PaintWindowBorder;
pPriv->CopyWindow = pScreen->CopyWindow;
pPriv->ClearToBackground = pScreen->ClearToBackground;
pPriv->SaveDoomedAreas = pScreen->SaveDoomedAreas;
pPriv->RestoreAreas = pScreen->RestoreAreas;
pPriv->pCursor = NULL;
pPriv->x = 0;
pPriv->y = 0;
pPriv->isUp = FALSE;
pPriv->shouldBeUp = FALSE;
pPriv->pCacheWin = NullWindow;
pPriv->isInCacheWin = FALSE;
pPriv->checkPixels = TRUE;
pPriv->pInstalledMap = NULL;
pPriv->pColormap = NULL;
pPriv->funcs = cursorFuncs;
pPriv->colors[SOURCE_COLOR].red = 0;
pPriv->colors[SOURCE_COLOR].green = 0;
pPriv->colors[SOURCE_COLOR].blue = 0;
pPriv->colors[MASK_COLOR].red = 0;
pPriv->colors[MASK_COLOR].green = 0;
pPriv->colors[MASK_COLOR].blue = 0;
pScreen->devPrivates[miSpriteScreenIndex].ptr = (pointer) pPriv;
pScreen->CloseScreen = miSpriteCloseScreen;
pScreen->GetImage = miSpriteGetImage;
pScreen->GetSpans = miSpriteGetSpans;
pScreen->SourceValidate = miSpriteSourceValidate;
pScreen->CreateGC = miSpriteCreateGC;
pScreen->BlockHandler = miSpriteBlockHandler;
pScreen->InstallColormap = miSpriteInstallColormap;
pScreen->StoreColors = miSpriteStoreColors;
pScreen->PaintWindowBackground = miSpritePaintWindowBackground;
pScreen->PaintWindowBorder = miSpritePaintWindowBorder;
pScreen->CopyWindow = miSpriteCopyWindow;
pScreen->ClearToBackground = miSpriteClearToBackground;
pScreen->SaveDoomedAreas = miSpriteSaveDoomedAreas;
pScreen->RestoreAreas = miSpriteRestoreAreas;
return TRUE;
}
/*
* Screen wrappers
*/
/*
* CloseScreen wrapper -- unwrap everything, free the private data
* and call the wrapped function
*/
static Bool
miSpriteCloseScreen (i, pScreen)
ScreenPtr pScreen;
{
miSpriteScreenPtr pScreenPriv;
pScreenPriv = (miSpriteScreenPtr) pScreen->devPrivates[miSpriteScreenIndex].ptr;
pScreen->CloseScreen = pScreenPriv->CloseScreen;
pScreen->GetImage = pScreenPriv->GetImage;
pScreen->GetSpans = pScreenPriv->GetSpans;
pScreen->SourceValidate = pScreenPriv->SourceValidate;
pScreen->CreateGC = pScreenPriv->CreateGC;
pScreen->BlockHandler = pScreenPriv->BlockHandler;
pScreen->InstallColormap = pScreenPriv->InstallColormap;
pScreen->StoreColors = pScreenPriv->StoreColors;
pScreen->PaintWindowBackground = pScreenPriv->PaintWindowBackground;
pScreen->PaintWindowBorder = pScreenPriv->PaintWindowBorder;
pScreen->CopyWindow = pScreenPriv->CopyWindow;
pScreen->ClearToBackground = pScreenPriv->ClearToBackground;
pScreen->SaveDoomedAreas = pScreenPriv->SaveDoomedAreas;
pScreen->RestoreAreas = pScreenPriv->RestoreAreas;
xfree ((pointer) pScreenPriv);
return (*pScreen->CloseScreen) (i, pScreen);
}
static void
miSpriteGetImage (pDrawable, sx, sy, w, h, format, planemask, pdstLine)
DrawablePtr pDrawable;
int sx, sy, w, h;
unsigned int format;
unsigned long planemask;
char *pdstLine;
{
ScreenPtr pScreen = pDrawable->pScreen;
miSpriteScreenPtr pScreenPriv;
SCREEN_PROLOGUE (pScreen, GetImage);
pScreenPriv = (miSpriteScreenPtr) pScreen->devPrivates[miSpriteScreenIndex].ptr;
if (pDrawable->type == DRAWABLE_WINDOW &&
pScreenPriv->isUp &&
ORG_OVERLAP(&pScreenPriv->saved,pDrawable->x,pDrawable->y, sx, sy, w, h))
{
miSpriteRemoveCursor (pScreen);
}
(*pScreen->GetImage) (pDrawable, sx, sy, w, h,
format, planemask, pdstLine);
SCREEN_EPILOGUE (pScreen, GetImage, miSpriteGetImage);
}
static void
miSpriteGetSpans (pDrawable, wMax, ppt, pwidth, nspans, pdstStart)
DrawablePtr pDrawable;
int wMax;
DDXPointPtr ppt;
int *pwidth;
int nspans;
char *pdstStart;
{
ScreenPtr pScreen = pDrawable->pScreen;
miSpriteScreenPtr pScreenPriv;
SCREEN_PROLOGUE (pScreen, GetSpans);
pScreenPriv = (miSpriteScreenPtr) pScreen->devPrivates[miSpriteScreenIndex].ptr;
if (pDrawable->type == DRAWABLE_WINDOW && pScreenPriv->isUp)
{
register DDXPointPtr pts;
register int *widths;
register int nPts;
register int xorg,
yorg;
xorg = pDrawable->x;
yorg = pDrawable->y;
for (pts = ppt, widths = pwidth, nPts = nspans;
nPts--;
pts++, widths++)
{
if (SPN_OVERLAP(&pScreenPriv->saved,pts->y+yorg,
pts->x+xorg,*widths))
{
miSpriteRemoveCursor (pScreen);
break;
}
}
}
(*pScreen->GetSpans) (pDrawable, wMax, ppt, pwidth, nspans, pdstStart);
SCREEN_EPILOGUE (pScreen, GetSpans, miSpriteGetSpans);
}
static void
miSpriteSourceValidate (pDrawable, x, y, width, height)
DrawablePtr pDrawable;
int x, y, width, height;
{
ScreenPtr pScreen = pDrawable->pScreen;
miSpriteScreenPtr pScreenPriv;
SCREEN_PROLOGUE (pScreen, SourceValidate);
pScreenPriv = (miSpriteScreenPtr) pScreen->devPrivates[miSpriteScreenIndex].ptr;
if (pDrawable->type == DRAWABLE_WINDOW && pScreenPriv->isUp &&
ORG_OVERLAP(&pScreenPriv->saved, pDrawable->x, pDrawable->y,
x, y, width, height))
{
miSpriteRemoveCursor (pScreen);
}
if (pScreen->SourceValidate)
(*pScreen->SourceValidate) (pDrawable, x, y, width, height);
SCREEN_EPILOGUE (pScreen, SourceValidate, miSpriteSourceValidate);
}
static Bool
miSpriteCreateGC (pGC)
GCPtr pGC;
{
ScreenPtr pScreen = pGC->pScreen;
Bool ret;
miSpriteGCPtr pPriv;
SCREEN_PROLOGUE (pScreen, CreateGC);
pPriv = (miSpriteGCPtr)pGC->devPrivates[miSpriteGCIndex].ptr;
ret = (*pScreen->CreateGC) (pGC);
pPriv->wrapOps = NULL;
pPriv->wrapFuncs = pGC->funcs;
pGC->funcs = &miSpriteGCFuncs;
SCREEN_EPILOGUE (pScreen, CreateGC, miSpriteCreateGC);
return ret;
}
static void
miSpriteBlockHandler (i, blockData, pTimeout, pReadmask)
int i;
pointer blockData;
OSTimePtr pTimeout;
pointer pReadmask;
{
ScreenPtr pScreen = screenInfo.screens[i];
miSpriteScreenPtr pPriv;
pPriv = (miSpriteScreenPtr) pScreen->devPrivates[miSpriteScreenIndex].ptr;
SCREEN_PROLOGUE(pScreen, BlockHandler);
(*pScreen->BlockHandler) (i, blockData, pTimeout, pReadmask);
SCREEN_EPILOGUE(pScreen, BlockHandler, miSpriteBlockHandler);
if (!pPriv->isUp && pPriv->shouldBeUp)
miSpriteRestoreCursor (pScreen);
}
static void
miSpriteInstallColormap (pMap)
ColormapPtr pMap;
{
ScreenPtr pScreen = pMap->pScreen;
miSpriteScreenPtr pPriv;
pPriv = (miSpriteScreenPtr) pScreen->devPrivates[miSpriteScreenIndex].ptr;
SCREEN_PROLOGUE(pScreen, InstallColormap);
(*pScreen->InstallColormap) (pMap);
SCREEN_EPILOGUE(pScreen, InstallColormap, miSpriteInstallColormap);
pPriv->pInstalledMap = pMap;
if (pPriv->pColormap != pMap)
{
pPriv->checkPixels = TRUE;
if (pPriv->isUp)
miSpriteRemoveCursor (pScreen);
}
}
static void
miSpriteStoreColors (pMap, ndef, pdef)
ColormapPtr pMap;
int ndef;
xColorItem *pdef;
{
ScreenPtr pScreen = pMap->pScreen;
miSpriteScreenPtr pPriv;
int i;
int updated;
VisualPtr pVisual;
pPriv = (miSpriteScreenPtr) pScreen->devPrivates[miSpriteScreenIndex].ptr;
SCREEN_PROLOGUE(pScreen, StoreColors);
(*pScreen->StoreColors) (pMap, ndef, pdef);
SCREEN_EPILOGUE(pScreen, StoreColors, miSpriteStoreColors);
if (pPriv->pColormap == pMap)
{
updated = 0;
pVisual = pMap->pVisual;
if (pVisual->class == DirectColor)
{
/* Direct color - match on any of the subfields */
#define MaskMatch(a,b,mask) ((a) & (pVisual->mask) == (b) & (pVisual->mask))
#define UpdateDAC(plane,dac,mask) {\
if (MaskMatch (pPriv->colors[plane].pixel,pdef[i].pixel,mask)) {\
pPriv->colors[plane].dac = pdef[i].dac; \
updated = 1; \
} \
}
#define CheckDirect(plane) \
UpdateDAC(plane,red,redMask) \
UpdateDAC(plane,green,greenMask) \
UpdateDAC(plane,blue,blueMask)
for (i = 0; i < ndef; i++)
{
CheckDirect (SOURCE_COLOR)
CheckDirect (MASK_COLOR)
}
}
else
{
/* PseudoColor/GrayScale - match on exact pixel */
for (i = 0; i < ndef; i++)
{
if (pdef[i].pixel == pPriv->colors[SOURCE_COLOR].pixel)
{
pPriv->colors[SOURCE_COLOR] = pdef[i];
if (++updated == 2)
break;
}
if (pdef[i].pixel == pPriv->colors[MASK_COLOR].pixel)
{
pPriv->colors[MASK_COLOR] = pdef[i];
if (++updated == 2)
break;
}
}
}
if (updated)
{
pPriv->checkPixels = TRUE;
if (pPriv->isUp)
miSpriteRemoveCursor (pScreen);
}
}
}
static void
miSpriteFindColors (pScreen)
ScreenPtr pScreen;
{
miSpriteScreenPtr pScreenPriv = (miSpriteScreenPtr)
pScreen->devPrivates[miSpriteScreenIndex].ptr;
CursorPtr pCursor;
xColorItem *sourceColor, *maskColor;
pCursor = pScreenPriv->pCursor;
sourceColor = &pScreenPriv->colors[SOURCE_COLOR];
maskColor = &pScreenPriv->colors[MASK_COLOR];
if (pScreenPriv->pColormap != pScreenPriv->pInstalledMap ||
!(pCursor->foreRed == sourceColor->red &&
pCursor->foreGreen == sourceColor->green &&
pCursor->foreBlue == sourceColor->blue &&
pCursor->backRed == maskColor->red &&
pCursor->backGreen == maskColor->green &&
pCursor->backBlue == maskColor->blue))
{
pScreenPriv->pColormap = pScreenPriv->pInstalledMap;
sourceColor->red = pCursor->foreRed;
sourceColor->green = pCursor->foreGreen;
sourceColor->blue = pCursor->foreBlue;
FakeAllocColor (pScreenPriv->pColormap, sourceColor);
maskColor->red = pCursor->backRed;
maskColor->green = pCursor->backGreen;
maskColor->blue = pCursor->backBlue;
FakeAllocColor (pScreenPriv->pColormap, maskColor);
/* "free" the pixels right away, don't let this confuse you */
FakeFreeColor(pScreenPriv->pColormap, sourceColor->pixel);
FakeFreeColor(pScreenPriv->pColormap, maskColor->pixel);
}
pScreenPriv->checkPixels = FALSE;
}
/*
* BackingStore wrappers
*/
static void
miSpriteSaveDoomedAreas (pWin, pObscured, dx, dy)
WindowPtr pWin;
RegionPtr pObscured;
int dx, dy;
{
ScreenPtr pScreen;
miSpriteScreenPtr pScreenPriv;
BoxRec cursorBox;
pScreen = pWin->drawable.pScreen;
SCREEN_PROLOGUE (pScreen, SaveDoomedAreas);
pScreenPriv = (miSpriteScreenPtr) pScreen->devPrivates[miSpriteScreenIndex].ptr;
if (pScreenPriv->isUp)
{
cursorBox = pScreenPriv->saved;
if (dx || dy)
{
cursorBox.x1 += dx;
cursorBox.y1 += dy;
cursorBox.x2 += dx;
cursorBox.y2 += dy;
}
if (RECT_IN_REGION( pScreen, pObscured, &cursorBox) != rgnOUT)
miSpriteRemoveCursor (pScreen);
}
(*pScreen->SaveDoomedAreas) (pWin, pObscured, dx, dy);
SCREEN_EPILOGUE (pScreen, SaveDoomedAreas, miSpriteSaveDoomedAreas);
}
static RegionPtr
miSpriteRestoreAreas (pWin, prgnExposed)
WindowPtr pWin;
RegionPtr prgnExposed;
{
ScreenPtr pScreen;
miSpriteScreenPtr pScreenPriv;
RegionPtr result;
pScreen = pWin->drawable.pScreen;
SCREEN_PROLOGUE (pScreen, RestoreAreas);
pScreenPriv = (miSpriteScreenPtr) pScreen->devPrivates[miSpriteScreenIndex].ptr;
if (pScreenPriv->isUp)
{
if (RECT_IN_REGION( pScreen, prgnExposed, &pScreenPriv->saved) != rgnOUT)
miSpriteRemoveCursor (pScreen);
}
result = (*pScreen->RestoreAreas) (pWin, prgnExposed);
SCREEN_EPILOGUE (pScreen, RestoreAreas, miSpriteRestoreAreas);
return result;
}
/*
* Window wrappers
*/
static void
miSpritePaintWindowBackground (pWin, pRegion, what)
WindowPtr pWin;
RegionPtr pRegion;
int what;
{
ScreenPtr pScreen;
miSpriteScreenPtr pScreenPriv;
pScreen = pWin->drawable.pScreen;
SCREEN_PROLOGUE (pScreen, PaintWindowBackground);
pScreenPriv = (miSpriteScreenPtr) pScreen->devPrivates[miSpriteScreenIndex].ptr;
if (pScreenPriv->isUp)
{
/*
* If the cursor is on the same screen as the window, check the
* region to paint for the cursor and remove it as necessary
*/
if (RECT_IN_REGION( pScreen, pRegion, &pScreenPriv->saved) != rgnOUT)
miSpriteRemoveCursor (pScreen);
}
(*pScreen->PaintWindowBackground) (pWin, pRegion, what);
SCREEN_EPILOGUE (pScreen, PaintWindowBackground, miSpritePaintWindowBackground);
}
static void
miSpritePaintWindowBorder (pWin, pRegion, what)
WindowPtr pWin;
RegionPtr pRegion;
int what;
{
ScreenPtr pScreen;
miSpriteScreenPtr pScreenPriv;
pScreen = pWin->drawable.pScreen;
SCREEN_PROLOGUE (pScreen, PaintWindowBorder);
pScreenPriv = (miSpriteScreenPtr) pScreen->devPrivates[miSpriteScreenIndex].ptr;
if (pScreenPriv->isUp)
{
/*
* If the cursor is on the same screen as the window, check the
* region to paint for the cursor and remove it as necessary
*/
if (RECT_IN_REGION( pScreen, pRegion, &pScreenPriv->saved) != rgnOUT)
miSpriteRemoveCursor (pScreen);
}
(*pScreen->PaintWindowBorder) (pWin, pRegion, what);
SCREEN_EPILOGUE (pScreen, PaintWindowBorder, miSpritePaintWindowBorder);
}
static void
miSpriteCopyWindow (pWin, ptOldOrg, pRegion)
WindowPtr pWin;
DDXPointRec ptOldOrg;
RegionPtr pRegion;
{
ScreenPtr pScreen;
miSpriteScreenPtr pScreenPriv;
BoxRec cursorBox;
int dx, dy;
pScreen = pWin->drawable.pScreen;
SCREEN_PROLOGUE (pScreen, CopyWindow);
pScreenPriv = (miSpriteScreenPtr) pScreen->devPrivates[miSpriteScreenIndex].ptr;
if (pScreenPriv->isUp)
{
/*
* check both the source and the destination areas. The given
* region is source relative, so offset the cursor box by
* the delta position
*/
cursorBox = pScreenPriv->saved;
dx = pWin->drawable.x - ptOldOrg.x;
dy = pWin->drawable.y - ptOldOrg.y;
cursorBox.x1 -= dx;
cursorBox.x2 -= dx;
cursorBox.y1 -= dy;
cursorBox.y2 -= dy;
if (RECT_IN_REGION( pScreen, pRegion, &pScreenPriv->saved) != rgnOUT ||
RECT_IN_REGION( pScreen, pRegion, &cursorBox) != rgnOUT)
miSpriteRemoveCursor (pScreen);
}
(*pScreen->CopyWindow) (pWin, ptOldOrg, pRegion);
SCREEN_EPILOGUE (pScreen, CopyWindow, miSpriteCopyWindow);
}
static void
miSpriteClearToBackground (pWin, x, y, w, h, generateExposures)
WindowPtr pWin;
short x,y;
unsigned short w,h;
Bool generateExposures;
{
ScreenPtr pScreen;
miSpriteScreenPtr pScreenPriv;
int realw, realh;
pScreen = pWin->drawable.pScreen;
SCREEN_PROLOGUE (pScreen, ClearToBackground);
pScreenPriv = (miSpriteScreenPtr) pScreen->devPrivates[miSpriteScreenIndex].ptr;
if (GC_CHECK(pWin))
{
if (!(realw = w))
realw = (int) pWin->drawable.width - x;
if (!(realh = h))
realh = (int) pWin->drawable.height - y;
if (ORG_OVERLAP(&pScreenPriv->saved, pWin->drawable.x, pWin->drawable.y,
x, y, realw, realh))
{
miSpriteRemoveCursor (pScreen);
}
}
(*pScreen->ClearToBackground) (pWin, x, y, w, h, generateExposures);
SCREEN_EPILOGUE (pScreen, ClearToBackground, miSpriteClearToBackground);
}
/*
* GC Func wrappers
*/
static void
miSpriteValidateGC (pGC, changes, pDrawable)
GCPtr pGC;
Mask changes;
DrawablePtr pDrawable;
{
GC_FUNC_PROLOGUE (pGC);
(*pGC->funcs->ValidateGC) (pGC, changes, pDrawable);
pGCPriv->wrapOps = NULL;
if (pDrawable->type == DRAWABLE_WINDOW && ((WindowPtr) pDrawable)->viewable)
{
WindowPtr pWin;
RegionPtr pRegion;
pWin = (WindowPtr) pDrawable;
pRegion = &pWin->clipList;
if (pGC->subWindowMode == IncludeInferiors)
pRegion = &pWin->borderClip;
if (REGION_NOTEMPTY(pDrawable->pScreen, pRegion))
pGCPriv->wrapOps = pGC->ops;
}
GC_FUNC_EPILOGUE (pGC);
}
static void
miSpriteChangeGC (pGC, mask)
GCPtr pGC;
unsigned long mask;
{
GC_FUNC_PROLOGUE (pGC);
(*pGC->funcs->ChangeGC) (pGC, mask);
GC_FUNC_EPILOGUE (pGC);
}
static void
miSpriteCopyGC (pGCSrc, mask, pGCDst)
GCPtr pGCSrc, pGCDst;
unsigned long mask;
{
GC_FUNC_PROLOGUE (pGCDst);
(*pGCDst->funcs->CopyGC) (pGCSrc, mask, pGCDst);
GC_FUNC_EPILOGUE (pGCDst);
}
static void
miSpriteDestroyGC (pGC)
GCPtr pGC;
{
GC_FUNC_PROLOGUE (pGC);
(*pGC->funcs->DestroyGC) (pGC);
GC_FUNC_EPILOGUE (pGC);
}
static void
miSpriteChangeClip (pGC, type, pvalue, nrects)
GCPtr pGC;
int type;
pointer pvalue;
int nrects;
{
GC_FUNC_PROLOGUE (pGC);
(*pGC->funcs->ChangeClip) (pGC, type, pvalue, nrects);
GC_FUNC_EPILOGUE (pGC);
}
static void
miSpriteCopyClip(pgcDst, pgcSrc)
GCPtr pgcDst, pgcSrc;
{
GC_FUNC_PROLOGUE (pgcDst);
(* pgcDst->funcs->CopyClip)(pgcDst, pgcSrc);
GC_FUNC_EPILOGUE (pgcDst);
}
static void
miSpriteDestroyClip(pGC)
GCPtr pGC;
{
GC_FUNC_PROLOGUE (pGC);
(* pGC->funcs->DestroyClip)(pGC);
GC_FUNC_EPILOGUE (pGC);
}
/*
* GC Op wrappers
*/
static void
miSpriteFillSpans(pDrawable, pGC, nInit, pptInit, pwidthInit, fSorted)
DrawablePtr pDrawable;
GCPtr pGC;
int nInit; /* number of spans to fill */
DDXPointPtr pptInit; /* pointer to list of start points */
int *pwidthInit; /* pointer to list of n widths */
int fSorted;
{
GC_SETUP(pDrawable, pGC);
if (GC_CHECK((WindowPtr) pDrawable))
{
register DDXPointPtr pts;
register int *widths;
register int nPts;
for (pts = pptInit, widths = pwidthInit, nPts = nInit;
nPts--;
pts++, widths++)
{
if (SPN_OVERLAP(&pScreenPriv->saved,pts->y,pts->x,*widths))
{
miSpriteRemoveCursor (pDrawable->pScreen);
break;
}
}
}
GC_OP_PROLOGUE (pGC);
(*pGC->ops->FillSpans) (pDrawable, pGC, nInit, pptInit, pwidthInit, fSorted);
GC_OP_EPILOGUE (pGC);
}
static void
miSpriteSetSpans(pDrawable, pGC, psrc, ppt, pwidth, nspans, fSorted)
DrawablePtr pDrawable;
GCPtr pGC;
char *psrc;
register DDXPointPtr ppt;
int *pwidth;
int nspans;
int fSorted;
{
GC_SETUP(pDrawable, pGC);
if (GC_CHECK((WindowPtr) pDrawable))
{
register DDXPointPtr pts;
register int *widths;
register int nPts;
for (pts = ppt, widths = pwidth, nPts = nspans;
nPts--;
pts++, widths++)
{
if (SPN_OVERLAP(&pScreenPriv->saved,pts->y,pts->x,*widths))
{
miSpriteRemoveCursor(pDrawable->pScreen);
break;
}