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Implemented nsRegionUnix

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This commit is contained in:
spider 1998-06-04 08:40:58 +00:00
parent 86c623f4d3
commit aa0e79fade
2 changed files with 115 additions and 5 deletions
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103
gfx/src/motif/nsRegionUnix.cpp
View File

@ -23,10 +23,16 @@ static NS_DEFINE_IID(kRegionIID, NS_IREGION_IID);
nsRegionUnix :: nsRegionUnix()
{
NS_INIT_REFCNT();
mRegion = nsnull;
mRegionType = eRegionType_empty;
}
nsRegionUnix :: ~nsRegionUnix()
{
if (mRegion)
::XDestroyRegion(mRegion);
mRegion = nsnull;
}
NS_IMPL_QUERY_INTERFACE(nsRegionUnix, kRegionIID)
@ -35,65 +41,154 @@ NS_IMPL_RELEASE(nsRegionUnix)
nsresult nsRegionUnix :: Init(void)
{
mRegion = ::XCreateRegion();
mRegionType = eRegionType_empty;
return NS_OK;
}
void nsRegionUnix :: SetTo(const nsIRegion &aRegion)
{
nsRegionUnix * pRegion = (nsRegionUnix *)&aRegion;
::XDestroyRegion(mRegion);
mRegion = ::XCreateRegion();
::XUnionRegion(mRegion, pRegion->mRegion, mRegion);
mRegionType = eRegionType_rect ; // XXX: Should probably set to complex
}
void nsRegionUnix :: SetTo(PRInt32 aX, PRInt32 aY, PRInt32 aWidth, PRInt32 aHeight)
{
::XDestroyRegion(mRegion);
mRegion = ::XCreateRegion();
::XOffsetRegion(mRegion, aX, aY);
::XShrinkRegion(mRegion, -aWidth, -aHeight);
mRegionType = eRegionType_rect ;
}
void nsRegionUnix :: Intersect(const nsIRegion &aRegion)
{
nsRegionUnix * pRegion = (nsRegionUnix *)&aRegion;
::XIntersectRegion(mRegion, pRegion->mRegion, mRegion);
mRegionType = eRegionType_rect ;
}
void nsRegionUnix :: Intersect(PRInt32 aX, PRInt32 aY, PRInt32 aWidth, PRInt32 aHeight)
{
Region tRegion;
tRegion = ::XCreateRegion();
::XOffsetRegion(tRegion, aX, aY);
::XShrinkRegion(tRegion, -aWidth, -aHeight);
::XIntersectRegion(mRegion, tRegion, mRegion);
::XDestroyRegion(tRegion);
mRegionType = eRegionType_rect ;
}
void nsRegionUnix :: Union(const nsIRegion &aRegion)
{
nsRegionUnix * pRegion = (nsRegionUnix *)&aRegion;
::XUnionRegion(mRegion, pRegion->mRegion, mRegion);
mRegionType = eRegionType_rect ;
}
void nsRegionUnix :: Union(PRInt32 aX, PRInt32 aY, PRInt32 aWidth, PRInt32 aHeight)
{
Region tRegion;
tRegion = ::XCreateRegion();
::XOffsetRegion(tRegion, aX, aY);
::XShrinkRegion(tRegion, -aWidth, -aHeight);
::XUnionRegion(mRegion, tRegion, mRegion);
::XDestroyRegion(tRegion);
mRegionType = eRegionType_rect ;
}
void nsRegionUnix :: Subtract(const nsIRegion &aRegion)
{
nsRegionUnix * pRegion = (nsRegionUnix *)&aRegion;
::XSubtractRegion(mRegion, pRegion->mRegion, mRegion);
mRegionType = eRegionType_rect ;
}
void nsRegionUnix :: Subtract(PRInt32 aX, PRInt32 aY, PRInt32 aWidth, PRInt32 aHeight)
{
Region tRegion;
tRegion = ::XCreateRegion();
::XOffsetRegion(tRegion, aX, aY);
::XShrinkRegion(tRegion, -aWidth, -aHeight);
::XSubtractRegion(mRegion, tRegion, mRegion);
::XDestroyRegion(tRegion);
mRegionType = eRegionType_rect ;
}
PRBool nsRegionUnix :: IsEmpty(void)
{
return PR_FALSE;
return (::XEmptyRegion(mRegion));
}
PRBool nsRegionUnix :: IsEqual(const nsIRegion &aRegion)
{
return PR_FALSE;
nsRegionUnix * pRegion = (nsRegionUnix *)&aRegion;
return(::XEqualRegion(mRegion, pRegion->mRegion));
}
void nsRegionUnix :: GetBoundingBox(PRInt32 *aX, PRInt32 *aY, PRInt32 *aWidth, PRInt32 *aHeight)
{
*aX = *aY = *aWidth = *aHeight = 0;
XRectangle rect;
::XClipBox(mRegion, &rect);
*aX = rect.x;
*aY = rect.y;
*aWidth = rect.width;
*aHeight = rect.height;
}
void nsRegionUnix :: Offset(PRInt32 aXOffset, PRInt32 aYOffset)
{
::XOffsetRegion(mRegion, aXOffset, aYOffset);
}
PRBool nsRegionUnix :: ContainsRect(PRInt32 aX, PRInt32 aY, PRInt32 aWidth, PRInt32 aHeight)
{
return PR_TRUE;
PRInt32 containment;
containment = ::XRectInRegion(mRegion, aX, aY, aWidth, aHeight);
if (containment == RectangleIn)
return PR_TRUE;
else
return PR_FALSE;
}
PRBool nsRegionUnix :: ForEachRect(nsRectInRegionFunc *func, void *closure)
{
return PR_FALSE;
}

17
gfx/src/motif/nsRegionUnix.h
View File

@ -21,10 +21,22 @@
#include "nsIRegion.h"
#include "X11/Xlib.h"
#include "X11/Xutil.h"
enum nsRegionType {
eRegionType_empty,
eRegionType_rect,
eRegionType_poly,
eRegionType_complex,
};
class nsRegionUnix : public nsIRegion
{
public:
nsRegionUnix();
~nsRegionUnix();
NS_DECL_ISUPPORTS
@ -46,7 +58,10 @@ public:
virtual PRBool ForEachRect(nsRectInRegionFunc *func, void *closure);
private:
~nsRegionUnix();
Region mRegion;
nsRegionType mRegionType;
};
#endif // nsRegionUnix_h___