static void dumpPCO(RECTL *prclTrg, CLIPOBJ *pco)
{
LOG(("pco = %p Trg = %d-%d %d-%d", pco, prclTrg->left, prclTrg->right, prclTrg->top, prclTrg->bottom));
if (pco)
{
BOOL bMore;
CLIPRECTS cr;
RECTL* prclClip;
int cRects = 0;
LOG(("pco = %d %d-%d %d-%d dc %d fc %d mode %d opt %d",
pco->iUniq,
pco->rclBounds.left, pco->rclBounds.right, pco->rclBounds.top, pco->rclBounds.bottom,
pco->iDComplexity, pco->iFComplexity, pco->iMode, pco->fjOptions));
CLIPOBJ_cEnumStart(pco, FALSE, CT_RECTANGLES, CD_ANY, 0);
do
{
bMore = CLIPOBJ_bEnum(pco, sizeof(cr), (ULONG*)&cr);
for (prclClip = &cr.arcl[0]; cr.c != 0; cr.c--, prclClip++)
{
LOG((" %d-%d %d-%d", prclClip->left, prclClip->right, prclClip->top, prclClip->bottom));
cRects++;
}
} while (bMore);
LOG(("Total %d rects", cRects));
}
}
/*
* @implemented
*/
BOOL
APIENTRY
WNDOBJ_bEnum(
IN WNDOBJ *pwo,
IN ULONG cj,
OUT ULONG *pul)
{
WNDGDI *WndObjInt = ObjToGDI(pwo, WND);
BOOL Ret;
DPRINT("WNDOBJ_bEnum: pwo = 0x%p, cj = %lu, pul = 0x%p\n", pwo, cj, pul);
Ret = CLIPOBJ_bEnum(WndObjInt->ClientClipObj, cj, pul);
DPRINT("WNDOBJ_bEnum: Returning %s\n", Ret ? "True" : "False");
return Ret;
}
BOOL APIENTRY
EngPaintRgn(SURFOBJ *pso, CLIPOBJ *ClipRegion, ULONG iColor, MIX Mix,
BRUSHOBJ *BrushObj, POINTL *BrushPoint)
{
RECT_ENUM RectEnum;
BOOL EnumMore;
ULONG i;
ASSERT(pso);
ASSERT(ClipRegion);
DPRINT("ClipRegion->iMode:%u, ClipRegion->iDComplexity: %u\n Color: %lu", ClipRegion->iMode, ClipRegion->iDComplexity, iColor);
switch(ClipRegion->iMode) {
case TC_RECTANGLES:
/* Rectangular clipping can be handled without enumeration.
Note that trivial clipping is not possible, since the clipping
region defines the area to fill */
if (ClipRegion->iDComplexity == DC_RECT)
{
FillSolid(pso, &(ClipRegion->rclBounds), iColor);
} else {
/* Enumerate all the rectangles and draw them */
CLIPOBJ_cEnumStart(ClipRegion, FALSE, CT_RECTANGLES, CD_ANY, 0);
do {
EnumMore = CLIPOBJ_bEnum(ClipRegion, sizeof(RectEnum), (PVOID) &RectEnum);
for (i = 0; i < RectEnum.c; i++) {
FillSolid(pso, RectEnum.arcl + i, iColor);
}
} while (EnumMore);
}
return(TRUE);
default:
return(FALSE);
}
}
static int vrdpGetIntersectingClipRects(VRDPCLIPRECTS *pClipRects, SURFOBJ *pso, RECTL *prcl, CLIPOBJ *pco, POINTL *pptlSrc)
{
BOOL bTooManyRects = FALSE;
LOGF(("pso = %p, pptlSrc = %p", pso, pptlSrc));
pso = getSurfObj(pso);
pClipRects->rclDstOrig = *prcl;
pClipRects->rclDst = *prcl;
pClipRects->rects.c = 0;
vrdpAdjustRect(pso, &pClipRects->rclDst);
if (pco && (pco->iDComplexity != DC_TRIVIAL))
{
ULONG iDirection = CD_ANY;
if (pptlSrc)
{
/* Operation is performed on the same (screen) surface and enumeration direction
* must take into account the position of source and target rectangles.
*/
if (pptlSrc->x <= prcl->left)
{
if (pptlSrc->y <= prcl->top)
{
iDirection = CD_LEFTUP;
}
else
{
iDirection = CD_LEFTDOWN;
}
}
else
{
if (pptlSrc->y <= prcl->top)
{
iDirection = CD_RIGHTUP;
}
else
{
iDirection = CD_RIGHTDOWN;
}
}
}
/* Clip the target rect by entire clipping region. Obtain the effective target. */
vrdpIntersectRects(&pClipRects->rclDst, &pClipRects->rclDst, &pco->rclBounds);
/* Enumerate rectangles. Try to get all rectangles at once and if there is not
* enough space (too many rectangles) fail with the bTooManyRects condition.
*/
CLIPOBJ_cEnumStart(pco, FALSE, CT_RECTANGLES, iDirection, 0);
bTooManyRects = CLIPOBJ_bEnum(pco, sizeof(pClipRects->rects), &pClipRects->rects.c);
if (!bTooManyRects)
{
RECTL *prclClipSrc = &pClipRects->rects.arcl[0];
RECTL *prclClipDst = prclClipSrc;
ULONG cRects = pClipRects->rects.c;
LOGF(("%d rects", cRects));
if (cRects > 0)
{
for (; cRects != 0; cRects--, prclClipSrc++)
{
vrdpIntersectRects(prclClipDst, prclClipSrc, &pClipRects->rclDst);
if (vrdpIsRectEmpty(prclClipDst))
{
pClipRects->rects.c--;
}
else
{
prclClipDst++;
}
}
}
if (pClipRects->rects.c == 0)
{
pClipRects->rclDst.left = pClipRects->rclDst.right = 0;
}
LOGF(("%d rects remains", pClipRects->rects.c));
}
}
if (vrdpIsRectEmpty(&pClipRects->rclDst))
{
return VRDP_CLIP_NO_INTERSECTION;
}
if (bTooManyRects)
{
pClipRects->rects.c = 0;
return VRDP_CLIP_TOO_MANY_RECTS;
}
return VRDP_CLIP_OK;
}
static void FASTCALL
vgaSWtoNE(
IN CLIPOBJ* Clip,
IN BRUSHOBJ* Brush,
IN LONG x,
IN LONG y,
IN LONG deltax,
IN LONG deltay)
{
int i;
int error;
BOOLEAN EnumMore;
PRECTL ClipRect;
RECT_ENUM RectEnum;
ULONG Pixel = Brush->iSolidColor;
LONG delta;
CLIPOBJ_cEnumStart(Clip, FALSE, CT_RECTANGLES, CD_RIGHTUP, 0);
EnumMore = CLIPOBJ_bEnum(Clip, (ULONG) sizeof(RectEnum), (PVOID) &RectEnum);
ClipRect = RectEnum.arcl;
delta = max(deltax, deltay);
i = 0;
error = delta / 2;
while (i < delta && (ClipRect < RectEnum.arcl + RectEnum.c || EnumMore))
{
while ((ClipRect < RectEnum.arcl + RectEnum.c
&& (y < ClipRect->top
|| (y < ClipRect->bottom && ClipRect->right <= x)))
|| EnumMore)
{
if (RectEnum.arcl + RectEnum.c <= ClipRect)
{
EnumMore = CLIPOBJ_bEnum(Clip, (ULONG) sizeof(RectEnum), (PVOID) &RectEnum);
ClipRect = RectEnum.arcl;
}
else
{
ClipRect++;
}
}
if (ClipRect < RectEnum.arcl + RectEnum.c)
{
if (ClipRect->left <= x && y < ClipRect->bottom)
vgaPutPixel(x, y, Pixel);
if (deltax < deltay)
{
y--;
error = error + deltax;
if (deltay <= error)
{
x++;
error = error - deltay;
}
}
else
{
x++;
error = error + deltay;
if (deltax <= error)
{
y--;
error = error - deltax;
}
}
i++;
}
}
}
/*
* FIXME: Use Mix to perform ROPs
* FIXME: Non-solid Brush
*/
BOOL APIENTRY
DrvLineTo(
IN SURFOBJ *DestObj,
IN CLIPOBJ *Clip,
IN BRUSHOBJ *Brush,
IN LONG x1,
IN LONG y1,
IN LONG x2,
IN LONG y2,
IN RECTL *RectBounds,
IN MIX mix)
{
LONG x, y, deltax, deltay, xchange, ychange, hx, vy;
ULONG i;
ULONG Pixel = Brush->iSolidColor;
RECT_ENUM RectEnum;
BOOL EnumMore;
x = x1;
y = y1;
deltax = x2 - x1;
deltay = y2 - y1;
if (deltax < 0)
{
xchange = -1;
deltax = - deltax;
hx = x2+1;
//x--;
}
else
{
xchange = 1;
hx = x1;
}
if (deltay < 0)
{
ychange = -1;
deltay = - deltay;
vy = y2+1;
//y--;
}
else
{
ychange = 1;
vy = y1;
}
if (y1 == y2)
{
CLIPOBJ_cEnumStart(Clip, FALSE, CT_RECTANGLES, CD_RIGHTDOWN, 0);
do
{
EnumMore = CLIPOBJ_bEnum(Clip, sizeof(RectEnum), (PVOID) &RectEnum);
for (i = 0; i < RectEnum.c && RectEnum.arcl[i].top <= y1; i++)
{
if (y1 < RectEnum.arcl[i].bottom &&
RectEnum.arcl[i].left <= hx + deltax &&
hx < RectEnum.arcl[i].right)
{
vgaHLine(max(hx, RectEnum.arcl[i].left), y1,
min(hx + deltax, RectEnum.arcl[i].right)
-max(hx, RectEnum.arcl[i].left), Pixel);
}
}
} while (EnumMore);
}
else if (x1 == x2)
{
CLIPOBJ_cEnumStart(Clip, FALSE, CT_RECTANGLES, CD_RIGHTDOWN, 0);
do
{
EnumMore = CLIPOBJ_bEnum(Clip, (ULONG) sizeof(RectEnum), (PVOID) &RectEnum);
for (i = 0; i < RectEnum.c; i++)
{
if (RectEnum.arcl[i].left <= x1 &&
x1 < RectEnum.arcl[i].right &&
RectEnum.arcl[i].top <= vy + deltay &&
vy < RectEnum.arcl[i].bottom)
{
vgaVLine(x1,
max(vy, RectEnum.arcl[i].top),
min(vy + deltay, RectEnum.arcl[i].bottom)
- max(vy, RectEnum.arcl[i].top),
Pixel);
}
}
} while (EnumMore);
}
else
{
if (0 < xchange)
{
if (0 < ychange)
vgaNWtoSE(Clip, Brush, x, y, deltax, deltay);
else
vgaSWtoNE(Clip, Brush, x, y, deltax, deltay);
}
else
{
if (0 < ychange)
vgaNEtoSW(Clip, Brush, x, y, deltax, deltay);
else
vgaSEtoNW(Clip, Brush, x, y, deltax, deltay);
}
}
return TRUE;
}
/*
* Draw a line from top-left to bottom-right
*/
static void FASTCALL
vgaNWtoSE(
IN CLIPOBJ* Clip,
IN BRUSHOBJ* Brush,
IN LONG x,
IN LONG y,
IN LONG deltax,
IN LONG deltay)
{
int i;
int error;
BOOLEAN EnumMore;
PRECTL ClipRect;
RECT_ENUM RectEnum;
ULONG Pixel = Brush->iSolidColor;
LONG delta;
CLIPOBJ_cEnumStart(Clip, FALSE, CT_RECTANGLES, CD_RIGHTDOWN, 0);
EnumMore = CLIPOBJ_bEnum(Clip, (ULONG) sizeof(RectEnum), (PVOID) &RectEnum);
ClipRect = RectEnum.arcl;
delta = max(deltax, deltay);
i = 0;
error = delta / 2;
while (i < delta && (ClipRect < RectEnum.arcl + RectEnum.c || EnumMore))
{
while ((ClipRect < RectEnum.arcl + RectEnum.c /* there's still a current clip rect */
&& (ClipRect->bottom <= y /* but it's above us */
|| (ClipRect->top <= y && ClipRect->right <= x))) /* or to the left of us */
|| EnumMore) /* no current clip rect, but rects left */
{
/* Skip to the next clip rect */
if (RectEnum.arcl + RectEnum.c <= ClipRect)
{
EnumMore = CLIPOBJ_bEnum(Clip, (ULONG) sizeof(RectEnum), (PVOID) &RectEnum);
ClipRect = RectEnum.arcl;
}
else
{
ClipRect++;
}
}
if ( ClipRect < RectEnum.arcl + RectEnum.c ) /* If there's no current clip rect we're done */
{
if (ClipRect->left <= x && ClipRect->top <= y)
vgaPutPixel ( x, y, Pixel );
if ( deltax < deltay )
{
y++;
error += deltax;
if ( error >= deltay )
{
x++;
error -= deltay;
}
}
else
{
x++;
error += deltay;
if ( error >= deltax )
{
y++;
error -= deltax;
}
}
i++;
}
}
}
/*
* @implemented
*/
BOOL
APIENTRY
EngAlphaBlend(IN SURFOBJ *psoDest,
IN SURFOBJ *psoSource,
IN CLIPOBJ *ClipRegion,
IN XLATEOBJ *ColorTranslation,
IN PRECTL DestRect,
IN PRECTL SourceRect,
IN BLENDOBJ *BlendObj)
{
RECTL InputRect;
RECTL OutputRect;
RECTL ClipRect;
RECTL CombinedRect;
RECTL Rect;
POINTL Translate;
INTENG_ENTER_LEAVE EnterLeaveSource;
INTENG_ENTER_LEAVE EnterLeaveDest;
SURFOBJ* InputObj;
SURFOBJ* OutputObj;
LONG ClippingType;
RECT_ENUM RectEnum;
BOOL EnumMore;
INT i;
BOOLEAN Ret;
DPRINT("EngAlphaBlend(psoDest:0x%p, psoSource:0x%p, ClipRegion:0x%p, ColorTranslation:0x%p,\n", psoDest, psoSource, ClipRegion, ColorTranslation);
DPRINT(" DestRect:{0x%x, 0x%x, 0x%x, 0x%x}, SourceRect:{0x%x, 0x%x, 0x%x, 0x%x},\n",
DestRect->left, DestRect->top, DestRect->right, DestRect->bottom,
SourceRect->left, SourceRect->top, SourceRect->right, SourceRect->bottom);
DPRINT(" BlendObj:{0x%x, 0x%x, 0x%x, 0x%x}\n", BlendObj->BlendFunction.BlendOp,
BlendObj->BlendFunction.BlendFlags, BlendObj->BlendFunction.SourceConstantAlpha,
BlendObj->BlendFunction.AlphaFormat);
/* Validate output */
OutputRect = *DestRect;
if (OutputRect.right < OutputRect.left)
{
OutputRect.left = DestRect->right;
OutputRect.right = DestRect->left;
}
if (OutputRect.bottom < OutputRect.top)
{
OutputRect.left = DestRect->right;
OutputRect.right = DestRect->left;
}
/* Validate input */
InputRect = *SourceRect;
if ( (InputRect.top < 0) || (InputRect.bottom < 0) ||
(InputRect.left < 0) || (InputRect.right < 0) ||
InputRect.right > psoSource->sizlBitmap.cx ||
InputRect.bottom > psoSource->sizlBitmap.cy )
{
EngSetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
if (psoDest == psoSource &&
!(OutputRect.left >= SourceRect->right || InputRect.left >= OutputRect.right ||
OutputRect.top >= SourceRect->bottom || InputRect.top >= OutputRect.bottom))
{
DPRINT1("Source and destination rectangles overlap!\n");
return FALSE;
}
if (BlendObj->BlendFunction.BlendOp != AC_SRC_OVER)
{
DPRINT1("BlendOp != AC_SRC_OVER (0x%x)\n", BlendObj->BlendFunction.BlendOp);
return FALSE;
}
if (BlendObj->BlendFunction.BlendFlags != 0)
{
DPRINT1("BlendFlags != 0 (0x%x)\n", BlendObj->BlendFunction.BlendFlags);
return FALSE;
}
if ((BlendObj->BlendFunction.AlphaFormat & ~AC_SRC_ALPHA) != 0)
{
DPRINT1("Unsupported AlphaFormat (0x%x)\n", BlendObj->BlendFunction.AlphaFormat);
return FALSE;
}
/* Check if there is anything to draw */
if (ClipRegion != NULL &&
(ClipRegion->rclBounds.left >= ClipRegion->rclBounds.right ||
ClipRegion->rclBounds.top >= ClipRegion->rclBounds.bottom))
{
/* Nothing to do */
return TRUE;
}
/* Now call the DIB function */
if (!IntEngEnter(&EnterLeaveSource, psoSource, &InputRect, TRUE, &Translate, &InputObj))
{
return FALSE;
}
InputRect.left += Translate.x;
InputRect.right += Translate.x;
InputRect.top += Translate.y;
InputRect.bottom += Translate.y;
if (!IntEngEnter(&EnterLeaveDest, psoDest, &OutputRect, FALSE, &Translate, &OutputObj))
{
return FALSE;
}
OutputRect.left += Translate.x;
OutputRect.right += Translate.x;
OutputRect.top += Translate.y;
OutputRect.bottom += Translate.y;
Ret = FALSE;
ClippingType = (ClipRegion == NULL) ? DC_TRIVIAL : ClipRegion->iDComplexity;
switch (ClippingType)
{
case DC_TRIVIAL:
Ret = DibFunctionsForBitmapFormat[OutputObj->iBitmapFormat].DIB_AlphaBlend(
OutputObj, InputObj, &OutputRect, &InputRect, ClipRegion, ColorTranslation, BlendObj);
break;
case DC_RECT:
ClipRect.left = ClipRegion->rclBounds.left + Translate.x;
ClipRect.right = ClipRegion->rclBounds.right + Translate.x;
ClipRect.top = ClipRegion->rclBounds.top + Translate.y;
ClipRect.bottom = ClipRegion->rclBounds.bottom + Translate.y;
if (RECTL_bIntersectRect(&CombinedRect, &OutputRect, &ClipRect))
{
Rect.left = InputRect.left + CombinedRect.left - OutputRect.left;
Rect.right = InputRect.right + CombinedRect.right - OutputRect.right;
Rect.top = InputRect.top + CombinedRect.top - OutputRect.top;
Rect.bottom = InputRect.bottom + CombinedRect.bottom - OutputRect.bottom;
Ret = DibFunctionsForBitmapFormat[OutputObj->iBitmapFormat].DIB_AlphaBlend(
OutputObj, InputObj, &CombinedRect, &Rect, ClipRegion, ColorTranslation, BlendObj);
}
break;
case DC_COMPLEX:
Ret = TRUE;
CLIPOBJ_cEnumStart(ClipRegion, FALSE, CT_RECTANGLES, CD_ANY, 0);
do
{
EnumMore = CLIPOBJ_bEnum(ClipRegion,(ULONG) sizeof(RectEnum),
(PVOID) &RectEnum);
for (i = 0; i < RectEnum.c; i++)
{
ClipRect.left = RectEnum.arcl[i].left + Translate.x;
ClipRect.right = RectEnum.arcl[i].right + Translate.x;
ClipRect.top = RectEnum.arcl[i].top + Translate.y;
ClipRect.bottom = RectEnum.arcl[i].bottom + Translate.y;
if (RECTL_bIntersectRect(&CombinedRect, &OutputRect, &ClipRect))
{
Rect.left = InputRect.left + CombinedRect.left - OutputRect.left;
Rect.right = InputRect.right + CombinedRect.right - OutputRect.right;
Rect.top = InputRect.top + CombinedRect.top - OutputRect.top;
Rect.bottom = InputRect.bottom + CombinedRect.bottom - OutputRect.bottom;
Ret = DibFunctionsForBitmapFormat[OutputObj->iBitmapFormat].DIB_AlphaBlend(
OutputObj, InputObj, &CombinedRect, &Rect, ClipRegion, ColorTranslation, BlendObj) && Ret;
}
}
}
while (EnumMore);
break;
default:
UNIMPLEMENTED;
ASSERT(FALSE);
break;
}
IntEngLeave(&EnterLeaveDest);
IntEngLeave(&EnterLeaveSource);
return Ret;
}
BOOL
APIENTRY
EngTransparentBlt(
SURFOBJ *psoDest,
SURFOBJ *psoSource,
CLIPOBJ *Clip,
XLATEOBJ *ColorTranslation,
PRECTL DestRect,
PRECTL SourceRect,
ULONG iTransColor,
ULONG Reserved)
{
BOOL Ret = TRUE;
BYTE ClippingType;
INTENG_ENTER_LEAVE EnterLeaveSource, EnterLeaveDest;
SURFOBJ *InputObj, *OutputObj;
RECTL OutputRect, InputRect;
POINTL Translate;
LONG DstHeight;
LONG DstWidth;
LONG SrcHeight;
LONG SrcWidth;
InputRect = *SourceRect;
if (!IntEngEnter(&EnterLeaveSource, psoSource, &InputRect, TRUE, &Translate, &InputObj))
{
return FALSE;
}
InputRect.left += Translate.x;
InputRect.right += Translate.x;
InputRect.top += Translate.y;
InputRect.bottom += Translate.y;
OutputRect = *DestRect;
if (OutputRect.right < OutputRect.left)
{
OutputRect.left = DestRect->right;
OutputRect.right = DestRect->left;
}
if (OutputRect.bottom < OutputRect.top)
{
OutputRect.top = DestRect->bottom;
OutputRect.bottom = DestRect->top;
}
if (Clip)
{
if (OutputRect.left < Clip->rclBounds.left)
{
InputRect.left += Clip->rclBounds.left - OutputRect.left;
OutputRect.left = Clip->rclBounds.left;
}
if (Clip->rclBounds.right < OutputRect.right)
{
InputRect.right -= OutputRect.right - Clip->rclBounds.right;
OutputRect.right = Clip->rclBounds.right;
}
if (OutputRect.top < Clip->rclBounds.top)
{
InputRect.top += Clip->rclBounds.top - OutputRect.top;
OutputRect.top = Clip->rclBounds.top;
}
if (Clip->rclBounds.bottom < OutputRect.bottom)
{
InputRect.bottom -= OutputRect.bottom - Clip->rclBounds.bottom;
OutputRect.bottom = Clip->rclBounds.bottom;
}
}
/* Check for degenerate case: if height or width of OutputRect is 0 pixels there's
nothing to do */
if (OutputRect.right <= OutputRect.left || OutputRect.bottom <= OutputRect.top)
{
IntEngLeave(&EnterLeaveSource);
return TRUE;
}
if (!IntEngEnter(&EnterLeaveDest, psoDest, &OutputRect, FALSE, &Translate, &OutputObj))
{
IntEngLeave(&EnterLeaveSource);
return FALSE;
}
OutputRect.left = DestRect->left + Translate.x;
OutputRect.right = DestRect->right + Translate.x;
OutputRect.top = DestRect->top + Translate.y;
OutputRect.bottom = DestRect->bottom + Translate.y;
ClippingType = (Clip ? Clip->iDComplexity : DC_TRIVIAL);
DstHeight = OutputRect.bottom - OutputRect.top;
DstWidth = OutputRect.right - OutputRect.left;
SrcHeight = InputRect.bottom - InputRect.top;
SrcWidth = InputRect.right - InputRect.left;
switch (ClippingType)
{
case DC_TRIVIAL:
{
Ret = DibFunctionsForBitmapFormat[psoDest->iBitmapFormat].DIB_TransparentBlt(
OutputObj, InputObj, &OutputRect, &InputRect, ColorTranslation, iTransColor);
break;
}
case DC_RECT:
{
RECTL ClipRect, CombinedRect;
RECTL InputToCombinedRect;
ClipRect.left = Clip->rclBounds.left + Translate.x;
ClipRect.right = Clip->rclBounds.right + Translate.x;
ClipRect.top = Clip->rclBounds.top + Translate.y;
ClipRect.bottom = Clip->rclBounds.bottom + Translate.y;
if (RECTL_bIntersectRect(&CombinedRect, &OutputRect, &ClipRect))
{
InputToCombinedRect.top = InputRect.top + (CombinedRect.top - OutputRect.top) * SrcHeight / DstHeight;
InputToCombinedRect.bottom = InputRect.top + (CombinedRect.bottom - OutputRect.top) * SrcHeight / DstHeight;
InputToCombinedRect.left = InputRect.left + (CombinedRect.left - OutputRect.left) * SrcWidth / DstWidth;
InputToCombinedRect.right = InputRect.left + (CombinedRect.right - OutputRect.left) * SrcWidth / DstWidth;
Ret = DibFunctionsForBitmapFormat[psoDest->iBitmapFormat].DIB_TransparentBlt(
OutputObj, InputObj, &CombinedRect, &InputToCombinedRect, ColorTranslation, iTransColor);
}
break;
}
case DC_COMPLEX:
{
ULONG Direction, i;
RECT_ENUM RectEnum;
BOOL EnumMore;
if (OutputObj == InputObj)
{
if (OutputRect.top < InputRect.top)
{
Direction = OutputRect.left < (InputRect.left ? CD_RIGHTDOWN : CD_LEFTDOWN);
}
else
{
Direction = OutputRect.left < (InputRect.left ? CD_RIGHTUP : CD_LEFTUP);
}
}
else
{
Direction = CD_ANY;
}
CLIPOBJ_cEnumStart(Clip, FALSE, CT_RECTANGLES, Direction, 0);
do
{
EnumMore = CLIPOBJ_bEnum(Clip, sizeof(RectEnum), (PVOID)&RectEnum);
for (i = 0; i < RectEnum.c; i++)
{
RECTL ClipRect, CombinedRect;
RECTL InputToCombinedRect;
ClipRect.left = RectEnum.arcl[i].left + Translate.x;
ClipRect.right = RectEnum.arcl[i].right + Translate.x;
ClipRect.top = RectEnum.arcl[i].top + Translate.y;
ClipRect.bottom = RectEnum.arcl[i].bottom + Translate.y;
if (RECTL_bIntersectRect(&CombinedRect, &OutputRect, &ClipRect))
{
InputToCombinedRect.top = InputRect.top + (CombinedRect.top - OutputRect.top) * SrcHeight / DstHeight;
InputToCombinedRect.bottom = InputRect.top + (CombinedRect.bottom - OutputRect.top) * SrcHeight / DstHeight;
InputToCombinedRect.left = InputRect.left + (CombinedRect.left - OutputRect.left) * SrcWidth / DstWidth;
InputToCombinedRect.right = InputRect.left + (CombinedRect.right - OutputRect.left) * SrcWidth / DstWidth;
Ret = DibFunctionsForBitmapFormat[psoDest->iBitmapFormat].DIB_TransparentBlt(
OutputObj, InputObj, &CombinedRect, &InputToCombinedRect, ColorTranslation, iTransColor);
if (!Ret)
{
break;
}
}
}
}
while (EnumMore && Ret);
break;
}
default:
{
Ret = FALSE;
break;
}
}
IntEngLeave(&EnterLeaveDest);
IntEngLeave(&EnterLeaveSource);
return Ret;
}
BOOL
DrvCopyBits(
SURFOBJ *psoDst,
SURFOBJ *psoSrc,
CLIPOBJ *pco,
XLATEOBJ *pxlo,
RECTL *prclDst,
POINTL *pptlSrc)
/*++
Routine Description:
Code for "hooking" CopyBits function for Jaguar VXL.
Arguments:
Return Value:
--*/
{
RECTL BltRectl;
ENUMRECTLIST ClipEnum;
BYTE FixedComplexity;
BOOL MoreClipRects;
FLONG BltDir;
BOOL JaguarDir;
ULONG ClipRegions;
POINTL SrcPoint;
//
// Check that there is no color translation.
//
if ((pxlo == NULL) || (pxlo->flXlate & XO_TRIVIAL)) {
//
// Check that source and destination surfaces are the frame buffer.
//
if ((psoSrc->pvBits == (PVOID)Vxl.ScreenBase) &&
(psoDst->pvBits == (PVOID)Vxl.ScreenBase)) {
//
// check BLT direction for setting up clip regions
// And for Jaguar BitBlt Commands as follows:
// - If BltDir is UPWARDS do the BitBlt RightToLeft Bottom
// to Top except when Src & Dst are in the same scan line
// and BltDir is not LEFTWARDS
//
BltDir = 0;
JaguarDir = FALSE;
if (pptlSrc->y <= prclDst->top) {
BltDir = CD_UPWARDS;
JaguarDir = TRUE;
}
if (pptlSrc->x <= prclDst->left) {
BltDir |= CD_LEFTWARDS;
} else {
if ((JaguarDir) && (pptlSrc->y == prclDst->top)) {
JaguarDir = FALSE;
}
}
//
// Figure out the real clipping complexity
//
if (pco == (CLIPOBJ *)NULL) {
FixedComplexity = DC_TRIVIAL;
} else {
FixedComplexity = pco->iDComplexity;
}
switch (FixedComplexity) {
//
// Entire destination is to be updated.
// Proceed with the BitBlt.
//
case DC_TRIVIAL:
DrvpBitBlt(prclDst, // Target rectangle
pptlSrc, // Source offset
JaguarDir // Direction
);
return(TRUE);
//
// Only one clip region.
//
case DC_RECT:
//
// only do the BLT if there is an intersection
//
if (DrvpIntersectRect(prclDst,&pco->rclBounds,&BltRectl)) {
//
// Adjust the Source for the intersection rectangle.
//
pptlSrc->x += BltRectl.left - prclDst->left;
pptlSrc->y += BltRectl.top - prclDst->top;
DrvpBitBlt(&BltRectl, // Target rectangle
pptlSrc, // Source offset
JaguarDir // Direction
);
}
return(TRUE);
//
// Multiple clip regions.
//
case DC_COMPLEX:
CLIPOBJ_cEnumStart(pco,FALSE,CT_RECTANGLES,BltDir,BB_RECT_LIMIT);
do {
//
// Get list of clip rectangles.
//
MoreClipRects = CLIPOBJ_bEnum(pco,sizeof(ClipEnum),(PVOID)&ClipEnum);
for (ClipRegions=0;ClipRegions<ClipEnum.c;ClipRegions++) {
//
// If the rectangles intersect calculate the offset to the
// source start location to match and do the BitBlt.
//
if (DrvpIntersectRect(prclDst,
&ClipEnum.arcl[ClipRegions],
&BltRectl)) {
SrcPoint.x = pptlSrc->x + BltRectl.left - prclDst->left;
SrcPoint.y = pptlSrc->y + BltRectl.top - prclDst->top;
DrvpBitBlt(&BltRectl, // Target rectangle
&SrcPoint, // Source offset
JaguarDir // Direction
);
}
}
} while (MoreClipRects);
return(TRUE);
//
// Unknown Clip complexity
//
default:
break;
} // end switch complexity
}
}
//
// If the copy operation could be performed by the accelerator,
// this routine has already returned.
// If execution falls here, call the Engine routine.
// No need to Synchronize here since the Eng routine will call DrvSyncrhonize.
//
return EngCopyBits(psoDst,
psoSrc,
pco,
pxlo,
prclDst,
pptlSrc);
}
BOOL
DrvBitBlt(
IN SURFOBJ *psoDst, // Target surface
IN SURFOBJ *psoSrc, // Source surface
IN SURFOBJ *psoMask, // Mask
IN CLIPOBJ *pco, // Clip through this
IN XLATEOBJ *pxlo, // Color translation
IN PRECTL prclDst, // Target offset and extent
IN PPOINTL pptlSrc, // Source offset
IN PPOINTL pptlMask, // Mask offset
IN BRUSHOBJ *pdbrush, // Brush data (from cbRealizeBrush)
IN PPOINTL pptlBrush, // Brush offset (origin)
IN ROP4 rop4 // Raster operation
)
/*++
Routine Description:
Code for "hooking" Bit Blt functions for Jaguar VXL.
Arguments:
Return Value:
--*/
{
FLONG BltDir;
BOOL JaguarDir;
RECTL BltRectl;
ENUMRECTLIST ClipEnum;
BOOL MoreClipRects;
ULONG ClipRegions;
POINTL SrcPoint;
PPDEV ppdev = (PPDEV) psoDst->dhpdev;
BYTE FixedComplexity;
//
// Check that there is no color translation.
//
if ((pxlo == NULL) || (pxlo->flXlate & XO_TRIVIAL)) {
//
// Check that the blt operation has the screen as target surface.
//
if (psoDst->pvBits == (PVOID)Vxl.ScreenBase) {
//
// Check for rops that Jaguar handles.
// Solid Fills,
// SRCCOPPY
//
switch(rop4) {
case 0x00000000: // DDx (BLACKNESS)
DrvpSolidFill(prclDst,pco,0);
return(TRUE);
case 0x0000FFFF: // DDxn (WHITENESS)
DrvpSolidFill(prclDst,pco,0xFFFFFF);
return(TRUE);
case 0x0000F0F0: // P (PATCOPY)
case 0x00000F0F: // Pn (NOTPATCOPY)
//
// This is a pattern fill. Check if the brush pattern
// is just a plain color, in this case procede with the
// Solid Color Fill.
//
if (pdbrush->iSolidColor != 0xFFFFFFFF) {
DrvpSolidFill(prclDst,
pco,
(rop4 == 0xF0F) ? ~(pdbrush->iSolidColor) : pdbrush->iSolidColor);
return(TRUE);
}
break;
//
// Source copy
//
case 0x0000CCCC:
//
// Check that Source and Destination Surfaces are the same.
// This is enough as we already checked that the dst is the frame buffer
//
if (psoDst->pvBits == psoSrc->pvBits) {
//
// check BLT direction for setting up clip regions
// And for Jaguar BitBlt Commands as follows:
// - If BltDir is UPWARDS do the BitBlt RightToLeft Bottom
// to Top except when Src & Dst are in the same scan line
// and BltDir is not LEFTWARDS
//
BltDir = 0;
JaguarDir = FALSE;
if (pptlSrc->y <= prclDst->top) {
BltDir = CD_UPWARDS;
JaguarDir = TRUE;
}
if (pptlSrc->x <= prclDst->left) {
BltDir |= CD_LEFTWARDS;
} else {
if ((JaguarDir) && (pptlSrc->y == prclDst->top)) {
JaguarDir = FALSE;
}
}
//
// Figure out the real clipping complexity
//
if (pco == (CLIPOBJ *)NULL) {
FixedComplexity = DC_TRIVIAL;
} else {
FixedComplexity = pco->iDComplexity;
}
switch (FixedComplexity) {
//
// Entire destination is to be updated.
// Proceed with the BitBlt.
//
case DC_TRIVIAL:
DrvpBitBlt(prclDst, // Target rectangle
pptlSrc, // Source offset
JaguarDir // Direction
);
return(TRUE);
//
// Only one clip region.
//
case DC_RECT:
//
// only do the BLT if there is an intersection
//
if (DrvpIntersectRect(prclDst,&pco->rclBounds,&BltRectl)) {
//
// Adjust the Source for the intersection rectangle.
//
pptlSrc->x += BltRectl.left - prclDst->left;
pptlSrc->y += BltRectl.top - prclDst->top;
DrvpBitBlt(&BltRectl, // Target rectangle
pptlSrc, // Source offset
JaguarDir // Direction
);
}
return(TRUE);
//
// Multiple clip regions.
//
case DC_COMPLEX:
CLIPOBJ_cEnumStart(pco,FALSE,CT_RECTANGLES,BltDir,BB_RECT_LIMIT);
do {
//
// Get list of clip rectangles.
//
MoreClipRects = CLIPOBJ_bEnum(pco,sizeof(ClipEnum),(PVOID)&ClipEnum);
for (ClipRegions=0;ClipRegions<ClipEnum.c;ClipRegions++) {
//
// If the rectangles intersect calculate the offset to the
// source start location to match and do the BitBlt.
//
if (DrvpIntersectRect(prclDst,
&ClipEnum.arcl[ClipRegions],
&BltRectl)) {
SrcPoint.x = pptlSrc->x + BltRectl.left - prclDst->left;
SrcPoint.y = pptlSrc->y + BltRectl.top - prclDst->top;
DrvpBitBlt(&BltRectl, // Target rectangle
&SrcPoint, // Source offset
JaguarDir // Direction
);
}
}
} while (MoreClipRects);
return(TRUE);
//
// Unknown Clip complexity
//
default:
break;
} // end switch complexity
} // end if Src surface = Dst surface
} // end switch rop4
}
}
//
// Call GDI to do the Blt for us. No need to syncrhonize here since
// EngXXX routines call DrvSynchronize.
//
return(EngBitBlt(psoDst, // Target surface
psoSrc, // Source surface
psoMask, // Mask
pco, // Clip through this
pxlo, // Color translation
prclDst, // Target offset and extent
pptlSrc, // Source offset
pptlMask, // Mask offset
pdbrush, // Brush data (from cbRealizeBrush)
pptlBrush, // Brush offset (origin)
rop4 // Raster operation
)
);
}
VOID
DrvpSolidFill(
IN PRECTL DstRect,
IN CLIPOBJ *pco,
IN ULONG Color
)
/*++
Routine Description:
This routine fills the unclipped areas of the destination rectangle with
the given color.
Arguments:
DstRect - Destination Rectangle
pco - Clipping area.
Color - Color to fill with.
Return Value:
None.
--*/
{
RECTL BltRectl;
ENUMRECTLIST ClipEnum;
BOOL MoreClipRects;
ULONG ClipRegions;
BYTE FixedComplexity;
//
// Figure out the real clipping complexity
//
if (pco == (CLIPOBJ *)NULL) {
FixedComplexity = DC_TRIVIAL;
} else {
FixedComplexity = pco->iDComplexity;
}
switch (FixedComplexity) {
//
// Entire destination is to be updated.
// Proceed with the Solid Fill.
//
case DC_TRIVIAL:
DrvpFillRectangle(DstRect, // Target rectangle
Color); // Color
break;
//
// Only one clip region.
//
case DC_RECT:
//
// only do the Fill if there is an intersection
//
if (DrvpIntersectRect(DstRect,&pco->rclBounds,&BltRectl)) {
DrvpFillRectangle(&BltRectl, // Target rectangle
Color); // Color
}
break;
//
// Multiple clip regions.
//
case DC_COMPLEX:
CLIPOBJ_cEnumStart(pco,FALSE,CT_RECTANGLES,CD_ANY,BB_RECT_LIMIT);
do {
//
// Get list of clip rectangles.
//
MoreClipRects = CLIPOBJ_bEnum(pco,sizeof(ClipEnum),(PVOID)&ClipEnum);
for (ClipRegions=0;ClipRegions<ClipEnum.c;ClipRegions++) {
//
// If the rectangles intersect do the fill
//
if (DrvpIntersectRect(DstRect,
&ClipEnum.arcl[ClipRegions],
&BltRectl)) {
DrvpFillRectangle(&BltRectl, // Target rectangle
Color); // Color
}
}
} while (MoreClipRects);
break;
} // end switch complexity
}
BOOL
FASTCALL
IntEngGradientFillRect(
IN SURFOBJ *psoDest,
IN CLIPOBJ *pco,
IN XLATEOBJ *pxlo,
IN TRIVERTEX *pVertex,
IN ULONG nVertex,
IN PGRADIENT_RECT gRect,
IN RECTL *prclExtents,
IN POINTL *pptlDitherOrg,
IN BOOL Horizontal)
{
SURFOBJ *psoOutput;
TRIVERTEX *v1, *v2;
RECTL rcGradient, rcSG;
RECT_ENUM RectEnum;
BOOL EnumMore;
ULONG i;
POINTL Translate;
INTENG_ENTER_LEAVE EnterLeave;
LONG y, dy, c[3], dc[3], ec[3], ic[3];
v1 = (pVertex + gRect->UpperLeft);
v2 = (pVertex + gRect->LowerRight);
rcGradient.left = min(v1->x, v2->x);
rcGradient.right = max(v1->x, v2->x);
rcGradient.top = min(v1->y, v2->y);
rcGradient.bottom = max(v1->y, v2->y);
rcSG = rcGradient;
RECTL_vOffsetRect(&rcSG, pptlDitherOrg->x, pptlDitherOrg->y);
if(Horizontal)
{
dy = abs(rcGradient.right - rcGradient.left);
}
else
{
dy = abs(rcGradient.bottom - rcGradient.top);
}
if(!IntEngEnter(&EnterLeave, psoDest, &rcSG, FALSE, &Translate, &psoOutput))
{
return FALSE;
}
if((v1->Red != v2->Red || v1->Green != v2->Green || v1->Blue != v2->Blue) && dy > 1)
{
CLIPOBJ_cEnumStart(pco, FALSE, CT_RECTANGLES, CD_RIGHTDOWN, 0);
do
{
RECTL FillRect;
ULONG Color;
if (Horizontal)
{
EnumMore = CLIPOBJ_bEnum(pco, (ULONG) sizeof(RectEnum), (PVOID) &RectEnum);
for (i = 0; i < RectEnum.c && RectEnum.arcl[i].top <= rcSG.bottom; i++)
{
if (RECTL_bIntersectRect(&FillRect, &RectEnum.arcl[i], &rcSG))
{
HVINITCOL(Red, 0);
HVINITCOL(Green, 1);
HVINITCOL(Blue, 2);
for (y = rcSG.left; y < FillRect.right; y++)
{
if (y >= FillRect.left)
{
Color = XLATEOBJ_iXlate(pxlo, RGB(c[0], c[1], c[2]));
DibFunctionsForBitmapFormat[psoOutput->iBitmapFormat].DIB_VLine(
psoOutput, y + Translate.x, FillRect.top + Translate.y, FillRect.bottom + Translate.y, Color);
}
HVSTEPCOL(0);
HVSTEPCOL(1);
HVSTEPCOL(2);
}
}
}
continue;
}
/* vertical */
EnumMore = CLIPOBJ_bEnum(pco, (ULONG) sizeof(RectEnum), (PVOID) &RectEnum);
for (i = 0; i < RectEnum.c && RectEnum.arcl[i].top <= rcSG.bottom; i++)
{
if (RECTL_bIntersectRect(&FillRect, &RectEnum.arcl[i], &rcSG))
{
HVINITCOL(Red, 0);
HVINITCOL(Green, 1);
HVINITCOL(Blue, 2);
for (y = rcSG.top; y < FillRect.bottom; y++)
{
if (y >= FillRect.top)
{
Color = XLATEOBJ_iXlate(pxlo, RGB(c[0], c[1], c[2]));
DibFunctionsForBitmapFormat[psoOutput->iBitmapFormat].DIB_HLine(psoOutput,
FillRect.left + Translate.x,
FillRect.right + Translate.x,
y + Translate.y,
Color);
}
HVSTEPCOL(0);
HVSTEPCOL(1);
HVSTEPCOL(2);
}
}
}
}
while (EnumMore);
return IntEngLeave(&EnterLeave);
}
/* rectangle has only one color, no calculation required */
CLIPOBJ_cEnumStart(pco, FALSE, CT_RECTANGLES, CD_RIGHTDOWN, 0);
do
{
RECTL FillRect;
ULONG Color = XLATEOBJ_iXlate(pxlo, RGB(v1->Red, v1->Green, v1->Blue));
EnumMore = CLIPOBJ_bEnum(pco, (ULONG) sizeof(RectEnum), (PVOID) &RectEnum);
for (i = 0; i < RectEnum.c && RectEnum.arcl[i].top <= rcSG.bottom; i++)
{
if (RECTL_bIntersectRect(&FillRect, &RectEnum.arcl[i], &rcSG))
{
for (; FillRect.top < FillRect.bottom; FillRect.top++)
{
DibFunctionsForBitmapFormat[psoOutput->iBitmapFormat].DIB_HLine(psoOutput,
FillRect.left + Translate.x,
FillRect.right + Translate.x,
FillRect.top + Translate.y,
Color);
}
}
}
}
while (EnumMore);
return IntEngLeave(&EnterLeave);
}
/*
* @implemented
*/
BOOL APIENTRY
EngCopyBits(
_In_ SURFOBJ *psoDest,
_In_ SURFOBJ *psoSource,
_In_opt_ CLIPOBJ *Clip,
_In_opt_ XLATEOBJ *ColorTranslation,
_In_ RECTL *DestRect,
_In_ POINTL *SourcePoint)
{
BOOL ret;
BYTE clippingType;
RECT_ENUM RectEnum;
BOOL EnumMore;
BLTINFO BltInfo;
SURFACE *psurfDest;
SURFACE *psurfSource;
RECTL rclDest = *DestRect;
POINTL ptlSrc = *SourcePoint;
ASSERT(psoDest != NULL && psoSource != NULL && DestRect != NULL && SourcePoint != NULL);
psurfSource = CONTAINING_RECORD(psoSource, SURFACE, SurfObj);
psurfDest = CONTAINING_RECORD(psoDest, SURFACE, SurfObj);
/* Clip dest rect against source surface size / source point */
if (psoSource->sizlBitmap.cx - ptlSrc.x < rclDest.right - rclDest.left)
rclDest.right = rclDest.left + psoSource->sizlBitmap.cx - ptlSrc.x;
if (psoSource->sizlBitmap.cy - ptlSrc.y < rclDest.bottom - rclDest.top)
rclDest.bottom = rclDest.top + psoSource->sizlBitmap.cy - ptlSrc.y;
/* Clip dest rect against target surface size */
if (rclDest.right > psoDest->sizlBitmap.cx)
rclDest.right = psoDest->sizlBitmap.cx;
if (rclDest.bottom > psoDest->sizlBitmap.cy)
rclDest.bottom = psoDest->sizlBitmap.cy;
if (RECTL_bIsEmptyRect(&rclDest)) return TRUE;
DestRect = &rclDest;
// FIXME: Don't punt to the driver's DrvCopyBits immediately. Instead,
// mark the copy block function to be DrvCopyBits instead of the
// GDI's copy bit function so as to remove clipping from the
// driver's responsibility
// If one of the surfaces isn't managed by the GDI
if ((psoDest->iType!=STYPE_BITMAP) || (psoSource->iType!=STYPE_BITMAP))
{
// Destination surface is device managed
if (psoDest->iType!=STYPE_BITMAP)
{
/* FIXME: Eng* functions shouldn't call Drv* functions. ? */
if (psurfDest->flags & HOOK_COPYBITS)
{
ret = GDIDEVFUNCS(psoDest).CopyBits(
psoDest, psoSource, Clip, ColorTranslation, DestRect, SourcePoint);
goto cleanup;
}
}
// Source surface is device managed
if (psoSource->iType!=STYPE_BITMAP)
{
/* FIXME: Eng* functions shouldn't call Drv* functions. ? */
if (psurfSource->flags & HOOK_COPYBITS)
{
ret = GDIDEVFUNCS(psoSource).CopyBits(
psoDest, psoSource, Clip, ColorTranslation, DestRect, SourcePoint);
goto cleanup;
}
}
// If CopyBits wasn't hooked, BitBlt must be
ret = IntEngBitBlt(psoDest, psoSource,
NULL, Clip, ColorTranslation, DestRect, SourcePoint,
NULL, NULL, NULL, ROP4_FROM_INDEX(R3_OPINDEX_SRCCOPY));
goto cleanup;
}
// Determine clipping type
if (!Clip)
{
clippingType = DC_TRIVIAL;
}
else
{
clippingType = Clip->iDComplexity;
}
BltInfo.DestSurface = psoDest;
BltInfo.SourceSurface = psoSource;
BltInfo.PatternSurface = NULL;
BltInfo.XlateSourceToDest = ColorTranslation;
BltInfo.Rop4 = ROP4_FROM_INDEX(R3_OPINDEX_SRCCOPY);
switch (clippingType)
{
case DC_TRIVIAL:
BltInfo.DestRect = *DestRect;
BltInfo.SourcePoint = *SourcePoint;
ret = DibFunctionsForBitmapFormat[psoDest->iBitmapFormat].DIB_BitBltSrcCopy(&BltInfo);
break;
case DC_RECT:
// Clip the blt to the clip rectangle
RECTL_bIntersectRect(&BltInfo.DestRect, DestRect, &Clip->rclBounds);
BltInfo.SourcePoint.x = SourcePoint->x + BltInfo.DestRect.left - DestRect->left;
BltInfo.SourcePoint.y = SourcePoint->y + BltInfo.DestRect.top - DestRect->top;
ret = DibFunctionsForBitmapFormat[psoDest->iBitmapFormat].DIB_BitBltSrcCopy(&BltInfo);
break;
case DC_COMPLEX:
CLIPOBJ_cEnumStart(Clip, FALSE, CT_RECTANGLES, CD_ANY, 0);
do
{
EnumMore = CLIPOBJ_bEnum(Clip,(ULONG) sizeof(RectEnum), (PVOID) &RectEnum);
if (RectEnum.c > 0)
{
RECTL* prclEnd = &RectEnum.arcl[RectEnum.c];
RECTL* prcl = &RectEnum.arcl[0];
do
{
RECTL_bIntersectRect(&BltInfo.DestRect, prcl, DestRect);
BltInfo.SourcePoint.x = SourcePoint->x + BltInfo.DestRect.left - DestRect->left;
BltInfo.SourcePoint.y = SourcePoint->y + BltInfo.DestRect.top - DestRect->top;
if (!DibFunctionsForBitmapFormat[psoDest->iBitmapFormat].DIB_BitBltSrcCopy(&BltInfo))
{
ret = FALSE;
goto cleanup;
}
prcl++;
} while (prcl < prclEnd);
}
} while (EnumMore);
ret = TRUE;
break;
default:
ASSERT(FALSE);
ret = FALSE;
break;
}
cleanup:
return ret;
}
/*
* @implemented
*/
BOOL
APIENTRY
EngStretchBltROP(
IN SURFOBJ *psoDest,
IN SURFOBJ *psoSource,
IN SURFOBJ *Mask,
IN CLIPOBJ *ClipRegion,
IN XLATEOBJ *ColorTranslation,
IN COLORADJUSTMENT *pca,
IN POINTL *BrushOrigin,
IN RECTL *prclDest,
IN RECTL *prclSrc,
IN POINTL *MaskOrigin,
IN ULONG Mode,
IN BRUSHOBJ *pbo,
IN ROP4 Rop4)
{
RECTL InputRect;
RECTL OutputRect;
POINTL Translate;
INTENG_ENTER_LEAVE EnterLeaveSource;
INTENG_ENTER_LEAVE EnterLeaveDest;
SURFOBJ* psoInput;
SURFOBJ* psoOutput;
PSTRETCHRECTFUNC BltRectFunc;
BOOLEAN Ret = TRUE;
POINTL AdjustedBrushOrigin;
BOOL UsesSource = ROP4_USES_SOURCE(Rop4);
BYTE clippingType;
RECTL ClipRect;
RECT_ENUM RectEnum;
BOOL EnumMore;
ULONG Direction;
RECTL CombinedRect;
RECTL InputToCombinedRect;
unsigned i;
LONG DstHeight;
LONG DstWidth;
LONG SrcHeight;
LONG SrcWidth;
if (Rop4 == ROP4_NOOP)
{
/* Copy destination onto itself: nop */
return TRUE;
}
/* Determine clipping type */
if (ClipRegion == (CLIPOBJ *) NULL)
{
clippingType = DC_TRIVIAL;
}
else
{
clippingType = ClipRegion->iDComplexity;
}
OutputRect = *prclDest;
if (OutputRect.right < OutputRect.left)
{
OutputRect.left = prclDest->right;
OutputRect.right = prclDest->left;
}
if (OutputRect.bottom < OutputRect.top)
{
OutputRect.top = prclDest->bottom;
OutputRect.bottom = prclDest->top;
}
if (UsesSource)
{
if (NULL == prclSrc)
{
return FALSE;
}
InputRect = *prclSrc;
if (! IntEngEnter(&EnterLeaveSource, psoSource, &InputRect, TRUE,
&Translate, &psoInput))
{
return FALSE;
}
InputRect.left += Translate.x;
InputRect.right += Translate.x;
InputRect.top += Translate.y;
InputRect.bottom += Translate.y;
}
else
{
InputRect.left = 0;
InputRect.right = OutputRect.right - OutputRect.left;
InputRect.top = 0;
InputRect.bottom = OutputRect.bottom - OutputRect.top;
psoInput = NULL;
}
if (NULL != ClipRegion)
{
if (OutputRect.left < ClipRegion->rclBounds.left)
{
InputRect.left += ClipRegion->rclBounds.left - OutputRect.left;
OutputRect.left = ClipRegion->rclBounds.left;
}
if (ClipRegion->rclBounds.right < OutputRect.right)
{
InputRect.right -= OutputRect.right - ClipRegion->rclBounds.right;
OutputRect.right = ClipRegion->rclBounds.right;
}
if (OutputRect.top < ClipRegion->rclBounds.top)
{
InputRect.top += ClipRegion->rclBounds.top - OutputRect.top;
OutputRect.top = ClipRegion->rclBounds.top;
}
if (ClipRegion->rclBounds.bottom < OutputRect.bottom)
{
InputRect.bottom -= OutputRect.bottom - ClipRegion->rclBounds.bottom;
OutputRect.bottom = ClipRegion->rclBounds.bottom;
}
}
/* Check for degenerate case: if height or width of OutputRect is 0 pixels there's
nothing to do */
if (OutputRect.right <= OutputRect.left || OutputRect.bottom <= OutputRect.top)
{
if (UsesSource)
{
IntEngLeave(&EnterLeaveSource);
}
return TRUE;
}
if (! IntEngEnter(&EnterLeaveDest, psoDest, &OutputRect, FALSE, &Translate, &psoOutput))
{
if (UsesSource)
{
IntEngLeave(&EnterLeaveSource);
}
return FALSE;
}
OutputRect.left += Translate.x;
OutputRect.right += Translate.x;
OutputRect.top += Translate.y;
OutputRect.bottom += Translate.y;
if (BrushOrigin)
{
AdjustedBrushOrigin.x = BrushOrigin->x + Translate.x;
AdjustedBrushOrigin.y = BrushOrigin->y + Translate.y;
}
else
{
AdjustedBrushOrigin = Translate;
}
BltRectFunc = CallDibStretchBlt;
DstHeight = OutputRect.bottom - OutputRect.top;
DstWidth = OutputRect.right - OutputRect.left;
SrcHeight = InputRect.bottom - InputRect.top;
SrcWidth = InputRect.right - InputRect.left;
switch (clippingType)
{
case DC_TRIVIAL:
Ret = (*BltRectFunc)(psoOutput, psoInput, Mask,
ColorTranslation, &OutputRect, &InputRect, MaskOrigin,
pbo, &AdjustedBrushOrigin, Rop4);
break;
case DC_RECT:
// Clip the blt to the clip rectangle
ClipRect.left = ClipRegion->rclBounds.left + Translate.x;
ClipRect.right = ClipRegion->rclBounds.right + Translate.x;
ClipRect.top = ClipRegion->rclBounds.top + Translate.y;
ClipRect.bottom = ClipRegion->rclBounds.bottom + Translate.y;
if (RECTL_bIntersectRect(&CombinedRect, &OutputRect, &ClipRect))
{
InputToCombinedRect.top = InputRect.top + (CombinedRect.top - OutputRect.top) * SrcHeight / DstHeight;
InputToCombinedRect.bottom = InputRect.top + (CombinedRect.bottom - OutputRect.top) * SrcHeight / DstHeight;
InputToCombinedRect.left = InputRect.left + (CombinedRect.left - OutputRect.left) * SrcWidth / DstWidth;
InputToCombinedRect.right = InputRect.left + (CombinedRect.right - OutputRect.left) * SrcWidth / DstWidth;
Ret = (*BltRectFunc)(psoOutput, psoInput, Mask,
ColorTranslation,
&CombinedRect,
&InputToCombinedRect,
MaskOrigin,
pbo,
&AdjustedBrushOrigin,
Rop4);
}
break;
case DC_COMPLEX:
if (psoOutput == psoInput)
{
if (OutputRect.top < InputRect.top)
{
Direction = OutputRect.left < InputRect.left ?
CD_RIGHTDOWN : CD_LEFTDOWN;
}
else
{
Direction = OutputRect.left < InputRect.left ?
CD_RIGHTUP : CD_LEFTUP;
}
}
else
{
Direction = CD_ANY;
}
CLIPOBJ_cEnumStart(ClipRegion, FALSE, CT_RECTANGLES, Direction, 0);
do
{
EnumMore = CLIPOBJ_bEnum(ClipRegion,(ULONG) sizeof(RectEnum),
(PVOID) &RectEnum);
for (i = 0; i < RectEnum.c; i++)
{
ClipRect.left = RectEnum.arcl[i].left + Translate.x;
ClipRect.right = RectEnum.arcl[i].right + Translate.x;
ClipRect.top = RectEnum.arcl[i].top + Translate.y;
ClipRect.bottom = RectEnum.arcl[i].bottom + Translate.y;
if (RECTL_bIntersectRect(&CombinedRect, &OutputRect, &ClipRect))
{
InputToCombinedRect.top = InputRect.top + (CombinedRect.top - OutputRect.top) * SrcHeight / DstHeight;
InputToCombinedRect.bottom = InputRect.top + (CombinedRect.bottom - OutputRect.top) * SrcHeight / DstHeight;
InputToCombinedRect.left = InputRect.left + (CombinedRect.left - OutputRect.left) * SrcWidth / DstWidth;
InputToCombinedRect.right = InputRect.left + (CombinedRect.right - OutputRect.left) * SrcWidth / DstWidth;
Ret = (*BltRectFunc)(psoOutput, psoInput, Mask,
ColorTranslation,
&CombinedRect,
&InputToCombinedRect,
MaskOrigin,
pbo,
&AdjustedBrushOrigin,
Rop4);
}
}
}
while (EnumMore);
break;
}
IntEngLeave(&EnterLeaveDest);
if (UsesSource)
{
IntEngLeave(&EnterLeaveSource);
}
return Ret;
}
VOID vClipSolid(
PDEV* ppdev,
LONG crcl,
RECTL* prcl,
ULONG iColor,
CLIPOBJ* pco)
{
BOOL bMore; // Flag for clip enumeration
CLIPENUM ce; // Clip enumeration object
ULONG i;
ULONG j;
RECTL arclTmp[4];
ULONG crclTmp;
RECTL* prclTmp;
RECTL* prclClipTmp;
LONG iLastBottom;
RECTL* prclClip;
RBRUSH_COLOR rbc;
ASSERTDD((crcl > 0) && (crcl <= 4), "Expected 1 to 4 rectangles");
ASSERTDD((pco != NULL) && (pco->iDComplexity != DC_TRIVIAL),
"Expected a non-null clip object");
rbc.iSolidColor = iColor;
if (pco->iDComplexity == DC_RECT)
{
crcl = cIntersect(&pco->rclBounds, prcl, crcl);
if (crcl != 0)
{
(ppdev->pfnFillSolid)(ppdev, crcl, prcl, OVERPAINT, OVERPAINT,
rbc, NULL);
}
}
else // iDComplexity == DC_COMPLEX
{
// Bottom of last rectangle to fill
iLastBottom = prcl[crcl - 1].bottom;
// Initialize the clip rectangle enumeration to right-down so we can
// take advantage of the rectangle list being right-down:
CLIPOBJ_cEnumStart(pco, FALSE, CT_RECTANGLES, CD_RIGHTDOWN, 0);
// Scan through all the clip rectangles, looking for intersects
// of fill areas with region rectangles:
do {
// Get a batch of region rectangles:
bMore = CLIPOBJ_bEnum(pco, sizeof(ce), (VOID*)&ce);
// Clip the rect list to each region rect:
for (j = ce.c, prclClip = ce.arcl; j-- > 0; prclClip++)
{
// Since the rectangles and the region enumeration are both
// right-down, we can zip through the region until we reach
// the first fill rect, and are done when we've passed the
// last fill rect.
if (prclClip->top >= iLastBottom)
{
// Past last fill rectangle; nothing left to do:
return;
}
// Do intersection tests only if we've reached the top of
// the first rectangle to fill:
if (prclClip->bottom > prcl->top)
{
// We've reached the top Y scan of the first rect, so
// it's worth bothering checking for intersection.
// Generate a list of the rects clipped to this region
// rect:
prclTmp = prcl;
prclClipTmp = arclTmp;
for (i = crcl, crclTmp = 0; i-- != 0; prclTmp++)
{
// Intersect fill and clip rectangles
if (bIntersect(prclTmp, prclClip, prclClipTmp))
{
// Add to list if anything's left to draw:
crclTmp++;
prclClipTmp++;
}
}
// Draw the clipped rects
if (crclTmp != 0)
{
(ppdev->pfnFillSolid)(ppdev, crclTmp, &arclTmp[0],
OVERPAINT, OVERPAINT, rbc, NULL);
}
}
}
} while (bMore);
}
}
BOOL
FASTCALL
IntEngGradientFillTriangle(
IN SURFOBJ *psoDest,
IN CLIPOBJ *pco,
IN XLATEOBJ *pxlo,
IN TRIVERTEX *pVertex,
IN ULONG nVertex,
IN PGRADIENT_TRIANGLE gTriangle,
IN RECTL *prclExtents,
IN POINTL *pptlDitherOrg)
{
SURFOBJ *psoOutput;
PTRIVERTEX v1, v2, v3;
RECT_ENUM RectEnum;
BOOL EnumMore;
ULONG i;
POINTL Translate;
INTENG_ENTER_LEAVE EnterLeave;
RECTL FillRect = { 0, 0, 0, 0 };
ULONG Color;
BOOL sx[NLINES];
LONG x[NLINES], dx[NLINES], dy[NLINES], incx[NLINES], ex[NLINES], destx[NLINES];
LONG c[NLINES][3], dc[NLINES][3], ec[NLINES][3], ic[NLINES][3]; /* colors on lines */
LONG g, gx, gxi, gc[3], gd[3], ge[3], gi[3]; /* colors in triangle */
LONG sy, y, bt;
v1 = (pVertex + gTriangle->Vertex1);
v2 = (pVertex + gTriangle->Vertex2);
v3 = (pVertex + gTriangle->Vertex3);
/* bubble sort */
if (SMALLER(v2, v1))
{
TRIVERTEX *t;
SWAP(v1, v2, t);
}
if (SMALLER(v3, v2))
{
TRIVERTEX *t;
SWAP(v2, v3, t);
if (SMALLER(v2, v1))
{
SWAP(v1, v2, t);
}
}
DPRINT("Triangle: (%i,%i) (%i,%i) (%i,%i)\n", v1->x, v1->y, v2->x, v2->y, v3->x, v3->y);
/* FIXME: commented out because of an endless loop - fix triangles first */
DPRINT("FIXME: IntEngGradientFillTriangle is broken\n");
if (!IntEngEnter(&EnterLeave, psoDest, &FillRect, FALSE, &Translate, &psoOutput))
{
return FALSE;
}
if (VCMPCLRS(v1, v2, v3))
{
CLIPOBJ_cEnumStart(pco, FALSE, CT_RECTANGLES, CD_RIGHTDOWN, 0);
do
{
EnumMore = CLIPOBJ_bEnum(pco, (ULONG) sizeof(RectEnum), (PVOID) &RectEnum);
for (i = 0; i < RectEnum.c && RectEnum.arcl[i].top <= prclExtents->bottom; i++)
{
if (RECTL_bIntersectRect(&FillRect, &RectEnum.arcl[i], prclExtents))
{
BOOL InY;
DOINIT(v1, v3, 0);
DOINIT(v1, v2, 1);
DOINIT(v2, v3, 2);
y = v1->y;
sy = v1->y + pptlDitherOrg->y;
bt = min(v3->y + pptlDitherOrg->y, FillRect.bottom);
while (sy < bt)
{
InY = !(sy < FillRect.top || sy >= FillRect.bottom);
GOLINE(v1, v3, 0);
DOLINE(v1, v3, 0);
ENDLINE(v1, v3, 0);
GOLINE(v1, v2, 1);
DOLINE(v1, v2, 1);
FILLLINE(0, 1);
ENDLINE(v1, v2, 1);
GOLINE(v2, v3, 2);
DOLINE(v2, v3, 2);
FILLLINE(0, 2);
ENDLINE(23, v3, 2);
y++;
sy++;
}
}
}
} while (EnumMore);
return IntEngLeave(&EnterLeave);
}
/* fill triangle with one solid color */
Color = XLATEOBJ_iXlate(pxlo, RGB(v1->Red >> 8, v1->Green >> 8, v1->Blue >> 8));
CLIPOBJ_cEnumStart(pco, FALSE, CT_RECTANGLES, CD_RIGHTDOWN, 0);
do
{
EnumMore = CLIPOBJ_bEnum(pco, (ULONG) sizeof(RectEnum), (PVOID) &RectEnum);
for (i = 0; i < RectEnum.c && RectEnum.arcl[i].top <= prclExtents->bottom; i++)
{
if (RECTL_bIntersectRect(&FillRect, &RectEnum.arcl[i], prclExtents))
{
S_INITLINE(v1, v3, 0);
S_INITLINE(v1, v2, 1);
S_INITLINE(v2, v3, 2);
y = v1->y;
sy = v1->y + pptlDitherOrg->y;
bt = min(v3->y + pptlDitherOrg->y, FillRect.bottom);
while (sy < bt)
{
S_GOLINE(v1, v3, 0);
S_DOLINE(v1, v3, 0);
S_ENDLINE(v1, v3, 0);
S_GOLINE(v1, v2, 1);
S_DOLINE(v1, v2, 1);
S_FILLLINE(0, 1);
S_ENDLINE(v1, v2, 1);
S_GOLINE(v2, v3, 2);
S_DOLINE(v2, v3, 2);
S_FILLLINE(0, 2);
S_ENDLINE(23, v3, 2);
y++;
sy++;
}
}
}
} while (EnumMore);
return IntEngLeave(&EnterLeave);
}
