814 lines
18 KiB
C++
814 lines
18 KiB
C++
|
#if defined _WIN64 || defined _WIN32
|
||
|
#include <tataki/api__tataki.h>
|
||
|
#include "region.h"
|
||
|
#include <api/imgldr/api_imgldr.h>
|
||
|
#include <tataki/region/api_region.h>
|
||
|
#include <tataki/canvas/ifc_canvas.h>
|
||
|
#include <api/wnd/basewnd.h>
|
||
|
|
||
|
|
||
|
#define GETOSHANDLE(x) (const_cast<api_region *>(x)->getOSHandle())
|
||
|
|
||
|
#define CBCLASS RegionI
|
||
|
START_DISPATCH;
|
||
|
CB(REGION_GETOSHANDLE, getOSHandle);
|
||
|
CB(REGION_CLONE, clone);
|
||
|
VCB(REGION_DISPOSECLONE, disposeClone);
|
||
|
CB(REGION_PTINREGION, ptInRegion);
|
||
|
VCB(REGION_OFFSET, offset);
|
||
|
VCB(REGION_GETBOX, getBox);
|
||
|
VCB(REGION_SUBTRACTRGN, subtractRegion);
|
||
|
VCB(REGION_SUBTRACTRECT, subtractRect);
|
||
|
VCB(REGION_ADDRECT, addRect);
|
||
|
VCB(REGION_ADD, addRegion);
|
||
|
VCB(REGION_AND, andRegion);
|
||
|
VCB(REGION_SETRECT, setRect);
|
||
|
VCB(REGION_EMPTY, empty);
|
||
|
CB(REGION_ISEMPTY, isEmpty);
|
||
|
CB(REGION_EQUALS, equals);
|
||
|
CB(REGION_ENCLOSED, enclosed);
|
||
|
CB(REGION_INTERSECTRECT, intersectRect);
|
||
|
CB(REGION_DOESINTERSECTRGN, doesIntersectRgn);
|
||
|
CB(REGION_INTERSECTRGN, intersectRgn);
|
||
|
CB(REGION_ISRECT, isRect);
|
||
|
VCB(REGION_SCALE, scale);
|
||
|
VCB(REGION_DEBUG, debug);
|
||
|
CB(REGION_MAKEWNDREGION, makeWindowRegion);
|
||
|
CB(REGION_GETNUMRECTS, getNumRects);
|
||
|
CB(REGION_ENUMRECT, enumRect);
|
||
|
END_DISPATCH;
|
||
|
#undef CBCLASS
|
||
|
|
||
|
#define CHECK_REGION \
|
||
|
if (hrgn == NULL) hrgn = CreateRectRgn(0,0,0,0);
|
||
|
|
||
|
RegionI::RegionI()
|
||
|
{
|
||
|
hrgn = CreateRectRgn(0, 0, 0, 0);
|
||
|
init();
|
||
|
}
|
||
|
|
||
|
RegionI::RegionI(const RECT *r)
|
||
|
{
|
||
|
hrgn = 0;
|
||
|
init();
|
||
|
optrect = *r;
|
||
|
optimized = 1;
|
||
|
//hrgn = CreateRectRgn(r->left,r->top,r->right,r->bottom);
|
||
|
//if (!hrgn) hrgn = CreateRectRgn(0,0,0,0);
|
||
|
//init();
|
||
|
//optimize();
|
||
|
}
|
||
|
|
||
|
RegionI::RegionI(int l, int t, int r, int b)
|
||
|
{
|
||
|
hrgn = 0;
|
||
|
init();
|
||
|
optrect.left = l;
|
||
|
optrect.top = t;
|
||
|
optrect.right = r;
|
||
|
optrect.bottom = b;
|
||
|
optimized = 1;
|
||
|
|
||
|
//hrgn = CreateRectRgn(l,t,r,b);
|
||
|
//if (!hrgn) hrgn = CreateRectRgn(0,0,0,0);
|
||
|
//init();
|
||
|
//optimize();
|
||
|
}
|
||
|
|
||
|
RegionI::RegionI(OSREGIONHANDLE r)
|
||
|
{
|
||
|
OSREGIONHANDLE R = CreateRectRgn(0, 0, 0, 0);
|
||
|
CombineRgn(R, r, r, RGN_COPY);
|
||
|
hrgn = R;
|
||
|
init();
|
||
|
optimize();
|
||
|
}
|
||
|
|
||
|
RegionI::RegionI(const RegionI *copy)
|
||
|
{
|
||
|
init();
|
||
|
if (copy->optimized)
|
||
|
{
|
||
|
optrect = copy->optrect;
|
||
|
optimized = copy->optimized;
|
||
|
hrgn = 0;
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
hrgn = CreateRectRgn(0, 0, 0, 0);
|
||
|
CombineRgn(hrgn, copy->hrgn, copy->hrgn, RGN_COPY);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
RegionI::RegionI(Canvas *c, RECT *defbounds)
|
||
|
{
|
||
|
hrgn = CreateRectRgn(0, 0, 0, 0);
|
||
|
if (!GetClipRgn(c->getHDC(), hrgn))
|
||
|
{
|
||
|
if (defbounds != NULL)
|
||
|
{
|
||
|
SetRectRgn(hrgn, defbounds->left, defbounds->top, defbounds->right, defbounds->bottom);
|
||
|
optrect=*defbounds;
|
||
|
optimized=1;
|
||
|
}
|
||
|
}
|
||
|
init();
|
||
|
optimize();
|
||
|
}
|
||
|
|
||
|
RegionI::~RegionI()
|
||
|
{
|
||
|
delete lastdebug;
|
||
|
if (srv != NULL) srv->delRef(this);
|
||
|
ASSERT(clonecount == 0);
|
||
|
if (srv == NULL && hrgn != NULL) DeleteObject(hrgn);
|
||
|
}
|
||
|
|
||
|
void RegionI::init()
|
||
|
{
|
||
|
srv = NULL;
|
||
|
clonecount = 0;
|
||
|
lastdebug = NULL;
|
||
|
optimized = 0;
|
||
|
}
|
||
|
|
||
|
api_region *RegionI::clone()
|
||
|
{
|
||
|
api_region *newregion = new RegionI(this);
|
||
|
clonecount++;
|
||
|
return newregion;
|
||
|
}
|
||
|
|
||
|
void RegionI::disposeClone(api_region *r)
|
||
|
{
|
||
|
RegionI *ri = static_cast<RegionI *>(r);
|
||
|
delete ri; // todo: validate pointer before deleting
|
||
|
clonecount--;
|
||
|
}
|
||
|
|
||
|
// returns a handle that SetWindowRgn understands (non portable). We should NOT delete this handle, windows will delete
|
||
|
// it by itself upon setting a new region of destroying the window
|
||
|
OSREGIONHANDLE RegionI::makeWindowRegion()
|
||
|
{
|
||
|
deoptimize();
|
||
|
OSREGIONHANDLE R = CreateRectRgn(0, 0, 0, 0);
|
||
|
CombineRgn(R, hrgn, hrgn, RGN_COPY);
|
||
|
optimize();
|
||
|
return R;
|
||
|
}
|
||
|
|
||
|
RegionI::RegionI(SkinBitmap *bitmap, RECT *r, int xoffset, int yoffset, bool inverted, int dothreshold, char threshold, int thinverse, int minalpha)
|
||
|
{
|
||
|
init();
|
||
|
const wchar_t *id = bitmap->getBitmapName();
|
||
|
|
||
|
if (xoffset == 0 && yoffset == 0 && r == NULL && !inverted && !dothreshold && minalpha == 1 && id != NULL && *id != 0)
|
||
|
{
|
||
|
srv = WASABI_API_IMGLDR->imgldr_requestSkinRegion(id);
|
||
|
if (srv != NULL)
|
||
|
{
|
||
|
srv->addRef(this);
|
||
|
hrgn = srv->getRegion()->getOSHandle();
|
||
|
}
|
||
|
}
|
||
|
|
||
|
if (srv == NULL)
|
||
|
{
|
||
|
if (r)
|
||
|
hrgn = alphaToRegionRect(bitmap, xoffset, yoffset, TRUE, r->left, r->top, r->right - r->left, r->bottom - r->top, inverted, dothreshold, threshold, thinverse, minalpha);
|
||
|
else
|
||
|
hrgn = alphaToRegionRect(bitmap, xoffset, yoffset, FALSE, 0, 0, 0, 0, inverted, dothreshold, threshold, thinverse, minalpha);
|
||
|
|
||
|
if (id != NULL && *id != 0)
|
||
|
{
|
||
|
if (xoffset == 0 && yoffset == 0 && r == NULL && !inverted && !dothreshold && minalpha == 1)
|
||
|
{
|
||
|
WASABI_API_IMGLDR->imgldr_cacheSkinRegion(id, this);
|
||
|
srv = WASABI_API_IMGLDR->imgldr_requestSkinRegion(id);
|
||
|
if (srv != NULL)
|
||
|
{
|
||
|
srv->addRef(this);
|
||
|
DeleteObject(hrgn);
|
||
|
hrgn = srv->getRegion()->getOSHandle();
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
optimize();
|
||
|
|
||
|
}
|
||
|
|
||
|
OSREGIONHANDLE RegionI::alphaToRegionRect(SkinBitmap *bitmap, int xoffset, int yoffset, bool portion, int _x, int _y, int _w, int _h, bool inverted, int dothreshold, unsigned char threshold, int thinverse, int minalpha)
|
||
|
{
|
||
|
return alphaToRegionRect(bitmap->getBits(), bitmap->getX(), bitmap->getY(), bitmap->getWidth(), bitmap->getHeight(), bitmap->getFullWidth(), bitmap->getFullHeight(), xoffset, yoffset, portion, _x, _y, _w, _h, inverted, dothreshold, threshold, thinverse, minalpha);
|
||
|
}
|
||
|
|
||
|
OSREGIONHANDLE RegionI::alphaToRegionRect(void *pbits32, int bmX, int bmY, int bmWidth, int bmHeight, int fullw, int fullh, int xoffset, int yoffset, bool portion, int _x, int _y, int _w, int _h, bool inverted, int dothreshold, unsigned char threshold, int thinverse, int minalpha)
|
||
|
{
|
||
|
OSREGIONHANDLE hRgn = NULL;
|
||
|
if (!pbits32) return NULL;
|
||
|
|
||
|
RGNDATA *pData;
|
||
|
int y, x;
|
||
|
|
||
|
// For better performances, we will use the ExtCreateRegion() function to create the
|
||
|
// region. This function take a RGNDATA structure on entry. We will add rectangles by
|
||
|
// amount of ALLOC_UNIT number in this structure.
|
||
|
// JF> rects are 8 bytes, so this allocates just under 16kb of memory, no need to REALLOC
|
||
|
#define MAXRECTS 2000
|
||
|
__int8 regionMemory[sizeof(RGNDATAHEADER) + (sizeof(RECT) * MAXRECTS)] = {0};
|
||
|
//pData = (RGNDATA *)MALLOC(sizeof(RGNDATAHEADER) + (sizeof(RECT) * MAXRECTS));
|
||
|
pData = (RGNDATA *)regionMemory;
|
||
|
//if (!pData) return NULL;
|
||
|
|
||
|
pData->rdh.dwSize = sizeof(RGNDATAHEADER);
|
||
|
pData->rdh.iType = RDH_RECTANGLES;
|
||
|
pData->rdh.nCount = pData->rdh.nRgnSize = 0;
|
||
|
|
||
|
SetRect(&pData->rdh.rcBound, MAXLONG, MAXLONG, 0, 0);
|
||
|
|
||
|
int x_end = (portion ? _w + _x : bmWidth);
|
||
|
int y_end = (portion ? _h + _y : bmHeight);
|
||
|
int x_start = (portion ? _x : 0);
|
||
|
int y_start = (portion ? _y : 0);
|
||
|
|
||
|
x_start += bmX;
|
||
|
x_end += bmX;
|
||
|
y_start += bmY;
|
||
|
y_end += bmY;
|
||
|
|
||
|
unsigned int iv = minalpha << 24; //inverted?0xff000000:0;
|
||
|
|
||
|
int shiftx = xoffset - bmX;
|
||
|
int shifty = yoffset - bmY;
|
||
|
|
||
|
for (y = y_start; y < y_end; y++)
|
||
|
{
|
||
|
// Scan each bitmap pixel from left to right
|
||
|
unsigned int *lineptr = ((unsigned int *)pbits32) + fullw * y;
|
||
|
for (x = x_start; x < x_end; x++)
|
||
|
{
|
||
|
// Search for a continuous range of "non transparent pixels"
|
||
|
int x0 = x;
|
||
|
unsigned int *p = lineptr;
|
||
|
if (dothreshold)
|
||
|
{
|
||
|
if (inverted)
|
||
|
{
|
||
|
if (thinverse)
|
||
|
{
|
||
|
while (x < x_end)
|
||
|
{
|
||
|
unsigned int a = p[x];
|
||
|
if ((a&0xff000000) >= iv ||
|
||
|
(((((a & 0xFF) > threshold || ((a & 0xFF00) >> 8) > threshold || ((a & 0xFF0000) >> 16) > threshold)))))
|
||
|
break;
|
||
|
x++;
|
||
|
}
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
while (x < x_end)
|
||
|
{
|
||
|
unsigned int a = p[x];
|
||
|
if ((a&0xff000000) >= iv ||
|
||
|
(((((a & 0xFF) < threshold || ((a & 0xFF00) >> 8) < threshold || ((a & 0xFF0000) >> 16) < threshold)))))
|
||
|
break;
|
||
|
x++;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
if (thinverse)
|
||
|
{
|
||
|
while (x < x_end)
|
||
|
{
|
||
|
unsigned int a = p[x];
|
||
|
if ((a&0xff000000) < iv ||
|
||
|
(((((a & 0xFF) > threshold || ((a & 0xFF00) >> 8) > threshold || ((a & 0xFF0000) >> 16) > threshold)))))
|
||
|
break;
|
||
|
x++;
|
||
|
}
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
while (x < x_end)
|
||
|
{
|
||
|
unsigned int a = p[x];
|
||
|
if ((a&0xff000000) < iv ||
|
||
|
(((((a & 0xFF) < threshold || ((a & 0xFF00) >> 8) < threshold || ((a & 0xFF0000) >> 16) < threshold)))))
|
||
|
break;
|
||
|
x++;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
if (inverted)
|
||
|
{
|
||
|
while (x < x_end)
|
||
|
{
|
||
|
if ((p[x] & 0xFF000000) >= iv) break;
|
||
|
x++;
|
||
|
}
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
while (x < x_end)
|
||
|
{
|
||
|
if ((p[x] & 0xFF000000) < iv) break;
|
||
|
x++;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
if (x > x0)
|
||
|
{
|
||
|
SetRect(((RECT *)&pData->Buffer) + pData->rdh.nCount, x0 + shiftx, y + shifty, x + shiftx, y + 1 + shifty);
|
||
|
|
||
|
pData->rdh.nCount++;
|
||
|
|
||
|
if (x0 + shiftx < pData->rdh.rcBound.left) pData->rdh.rcBound.left = x0 + shiftx;
|
||
|
if (y + shifty < pData->rdh.rcBound.top) pData->rdh.rcBound.top = y + shifty;
|
||
|
if (x + shiftx > pData->rdh.rcBound.right) pData->rdh.rcBound.right = x + shiftx;
|
||
|
if (y + 1 + shifty > pData->rdh.rcBound.bottom) pData->rdh.rcBound.bottom = y + 1 + shifty;
|
||
|
|
||
|
// On Windows98, ExtCreateRegion() may fail if the number of rectangles is too
|
||
|
// large (ie: > 4000). Therefore, we have to create the region by multiple steps.
|
||
|
if (pData->rdh.nCount == MAXRECTS)
|
||
|
{
|
||
|
OSREGIONHANDLE h = ExtCreateRegion(NULL, sizeof(RGNDATAHEADER) + (sizeof(RECT) * pData->rdh.nCount), pData);
|
||
|
if (hRgn)
|
||
|
{
|
||
|
CombineRgn(hRgn, hRgn, h, RGN_OR);
|
||
|
DeleteObject(h);
|
||
|
}
|
||
|
else hRgn = h;
|
||
|
pData->rdh.nCount = 0;
|
||
|
SetRect(&pData->rdh.rcBound, MAXLONG, MAXLONG, 0, 0);
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
// Create or extend the region with the remaining rectangles
|
||
|
OSREGIONHANDLE h = ExtCreateRegion(NULL, sizeof(RGNDATAHEADER) + (sizeof(RECT) * pData->rdh.nCount), pData);
|
||
|
if (hRgn)
|
||
|
{
|
||
|
CombineRgn(hRgn, hRgn, h, RGN_OR);
|
||
|
DeleteObject(h);
|
||
|
}
|
||
|
else
|
||
|
hRgn = h;
|
||
|
|
||
|
// Clean up
|
||
|
//FREE(pData);
|
||
|
|
||
|
return hRgn;
|
||
|
}
|
||
|
|
||
|
bool RegionI::ptInRegion(const POINT *pt)
|
||
|
{
|
||
|
if (optimized) return !!PtInRect(&optrect, *pt);
|
||
|
CHECK_REGION
|
||
|
return !!PtInRegion(hrgn, pt->x, pt->y);
|
||
|
}
|
||
|
|
||
|
void RegionI::offset(int x, int y)
|
||
|
{
|
||
|
if (optimized)
|
||
|
{
|
||
|
optrect.left += x;
|
||
|
optrect.top += y;
|
||
|
optrect.right += x;
|
||
|
optrect.bottom += y;
|
||
|
return ;
|
||
|
}
|
||
|
CHECK_REGION
|
||
|
if (srv)
|
||
|
{
|
||
|
hrgn = CreateRectRgn(0, 0, 0, 0);
|
||
|
RegionServer *s = srv;
|
||
|
srv = NULL;
|
||
|
addRegion(s->getRegion());
|
||
|
s->delRef(this);
|
||
|
}
|
||
|
if (x == 0 && y == 0) return ;
|
||
|
deoptimize(); // because addregion may have optimized it
|
||
|
OffsetRgn(hrgn, x, y);
|
||
|
optimize();
|
||
|
}
|
||
|
|
||
|
void RegionI::getBox(RECT *r)
|
||
|
{
|
||
|
if (optimized)
|
||
|
{
|
||
|
*r = optrect;
|
||
|
return ;
|
||
|
}
|
||
|
CHECK_REGION
|
||
|
GetRgnBox(hrgn, r);
|
||
|
}
|
||
|
|
||
|
OSREGIONHANDLE RegionI::getOSHandle()
|
||
|
{
|
||
|
deoptimize();
|
||
|
CHECK_REGION
|
||
|
return hrgn;
|
||
|
}
|
||
|
|
||
|
void RegionI::subtractRect(const RECT *r)
|
||
|
{
|
||
|
RegionI s(r);
|
||
|
subtractRegion(&s);
|
||
|
}
|
||
|
|
||
|
void RegionI::subtractRegion(const api_region *reg)
|
||
|
{
|
||
|
if (srv)
|
||
|
{
|
||
|
hrgn = CreateRectRgn(0, 0, 0, 0);
|
||
|
RegionServer *s = srv;
|
||
|
srv = NULL;
|
||
|
addRegion(s->getRegion());
|
||
|
s->delRef(this);
|
||
|
}
|
||
|
deoptimize();
|
||
|
CombineRgn(hrgn, hrgn, GETOSHANDLE(reg), RGN_DIFF);
|
||
|
optimize();
|
||
|
}
|
||
|
|
||
|
void RegionI::andRegion(const api_region *reg)
|
||
|
{
|
||
|
if (srv)
|
||
|
{
|
||
|
hrgn = CreateRectRgn(0, 0, 0, 0);
|
||
|
RegionServer *s = srv;
|
||
|
srv = NULL;
|
||
|
addRegion(s->getRegion());
|
||
|
s->delRef(this);
|
||
|
}
|
||
|
|
||
|
deoptimize();
|
||
|
CombineRgn(hrgn, hrgn, GETOSHANDLE(reg), RGN_AND);
|
||
|
optimize();
|
||
|
}
|
||
|
|
||
|
void RegionI::addRect(const RECT *r)
|
||
|
{
|
||
|
RegionI a(r);
|
||
|
addRegion(&a);
|
||
|
}
|
||
|
|
||
|
void RegionI::addRegion(const api_region *reg)
|
||
|
{
|
||
|
if (srv)
|
||
|
{
|
||
|
hrgn = CreateRectRgn(0, 0, 0, 0);
|
||
|
RegionServer *s = srv;
|
||
|
srv = NULL;
|
||
|
addRegion(s->getRegion());
|
||
|
s->delRef(this);
|
||
|
}
|
||
|
deoptimize();
|
||
|
ASSERT(reg != NULL);
|
||
|
CombineRgn(hrgn, hrgn, GETOSHANDLE(reg), RGN_OR);
|
||
|
optimize();
|
||
|
}
|
||
|
|
||
|
int RegionI::isEmpty()
|
||
|
{
|
||
|
RECT r;
|
||
|
getBox(&r);
|
||
|
if (r.left == r.right || r.bottom == r.top) return 1;
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
int RegionI::enclosed(const api_region *r, api_region *outside)
|
||
|
{
|
||
|
deoptimize();
|
||
|
OSREGIONHANDLE del = NULL;
|
||
|
if (!outside)
|
||
|
del = CreateRectRgn(0, 0, 0, 0);
|
||
|
int rs = CombineRgn(outside ? outside->getOSHandle() : del, hrgn, GETOSHANDLE(r), RGN_DIFF);
|
||
|
if (del != NULL) DeleteObject(del);
|
||
|
optimize();
|
||
|
return rs == NULLREGION;
|
||
|
}
|
||
|
|
||
|
#define IntersectRgn(hrgnResult, hrgnA, hrgnB) CombineRgn(hrgnResult, hrgnA, hrgnB, RGN_AND)
|
||
|
|
||
|
int RegionI::intersectRgn(const api_region *r, api_region *intersection)
|
||
|
{
|
||
|
ASSERT(intersection != NULL);
|
||
|
ASSERT(intersection != this);
|
||
|
int rs;
|
||
|
if (optimized)
|
||
|
{
|
||
|
deoptimize();
|
||
|
rs = IntersectRgn(intersection->getOSHandle(), hrgn, GETOSHANDLE(r));
|
||
|
DeleteObject(hrgn);
|
||
|
hrgn=NULL;
|
||
|
optimized=1;
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
rs = IntersectRgn(intersection->getOSHandle(), hrgn, GETOSHANDLE(r));
|
||
|
}
|
||
|
|
||
|
return (rs != NULLREGION && rs != ERROR);
|
||
|
}
|
||
|
|
||
|
int RegionI::doesIntersectRgn(const api_region *r)
|
||
|
{
|
||
|
if (optimized)
|
||
|
{
|
||
|
return RectInRegion(GETOSHANDLE(r), &optrect);
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
CHECK_REGION
|
||
|
HRGN del = CreateRectRgn(0, 0, 0, 0);
|
||
|
int rs = IntersectRgn(del, hrgn, GETOSHANDLE(r));
|
||
|
DeleteObject(del);
|
||
|
return (rs != NULLREGION && rs != ERROR);
|
||
|
}
|
||
|
|
||
|
}
|
||
|
|
||
|
int RegionI::intersectRect(const RECT *r, api_region *intersection)
|
||
|
{
|
||
|
int rs;
|
||
|
ASSERT(intersection != NULL);
|
||
|
ASSERT(intersection != this);
|
||
|
if (optimized)
|
||
|
{
|
||
|
RECT temp = optrect;
|
||
|
rs = IntersectRect(&temp, &optrect, r);
|
||
|
intersection->setRect(&temp);
|
||
|
return rs;
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
CHECK_REGION
|
||
|
|
||
|
OSREGIONHANDLE iRgn = intersection->getOSHandle();
|
||
|
SetRectRgn(iRgn, r->left, r->top, r->right, r->bottom);
|
||
|
rs = IntersectRgn(iRgn, hrgn, iRgn);
|
||
|
}
|
||
|
return (rs != NULLREGION && rs != ERROR);
|
||
|
}
|
||
|
|
||
|
int RegionI::doesIntersectRect(const RECT *r)
|
||
|
{
|
||
|
return RectInRegion(hrgn, r);
|
||
|
}
|
||
|
|
||
|
void RegionI::empty()
|
||
|
{
|
||
|
if (srv)
|
||
|
{
|
||
|
hrgn = CreateRectRgn(0, 0, 0, 0);
|
||
|
ASSERT(hrgn != NULL);
|
||
|
srv->delRef(this);
|
||
|
srv = NULL;
|
||
|
optimize();
|
||
|
return ;
|
||
|
}
|
||
|
//deoptimize();
|
||
|
if (hrgn != NULL)
|
||
|
DeleteObject(hrgn);
|
||
|
hrgn=NULL;
|
||
|
//hrgn = CreateRectRgn(0, 0, 0, 0);
|
||
|
optrect.left=0;
|
||
|
optrect.top=0;
|
||
|
optrect.right=0;
|
||
|
optrect.bottom=0;
|
||
|
optimized=1;
|
||
|
//ASSERT(hrgn != NULL);
|
||
|
//optimize();
|
||
|
}
|
||
|
|
||
|
void RegionI::setRect(const RECT *r)
|
||
|
{
|
||
|
if (srv)
|
||
|
{
|
||
|
hrgn = CreateRectRgnIndirect(r);
|
||
|
srv->delRef(this);
|
||
|
srv = NULL;
|
||
|
optimize();
|
||
|
return ;
|
||
|
}
|
||
|
//deoptimize();
|
||
|
//CHECK_REGION
|
||
|
if (hrgn)
|
||
|
DeleteObject(hrgn);
|
||
|
hrgn=NULL;
|
||
|
//SetRectRgn(hrgn, r->left, r->top, r->right, r->bottom);
|
||
|
optrect = *r;
|
||
|
optimized = 1;
|
||
|
//optimize();
|
||
|
}
|
||
|
|
||
|
int RegionI::equals(const api_region *r)
|
||
|
{
|
||
|
ASSERT(r);
|
||
|
api_region *cl = const_cast<api_region*>(r)->clone();
|
||
|
cl->subtractRegion(this);
|
||
|
int ret = cl->isEmpty();
|
||
|
const_cast<api_region*>(r)->disposeClone(cl);
|
||
|
cl = clone();
|
||
|
cl->subtractRegion(r);
|
||
|
ret &= cl->isEmpty();
|
||
|
disposeClone(cl);
|
||
|
return ret;
|
||
|
}
|
||
|
|
||
|
int RegionI::isRect()
|
||
|
{
|
||
|
if (optimized) return 1;
|
||
|
RECT r;
|
||
|
getBox(&r);
|
||
|
RegionI n(&r);
|
||
|
return equals(&n);
|
||
|
}
|
||
|
|
||
|
void RegionI::scale(double sx, double sy, bool round)
|
||
|
{
|
||
|
if (srv)
|
||
|
{
|
||
|
hrgn = CreateRectRgn(0, 0, 0, 0);
|
||
|
RegionServer *s = srv;
|
||
|
srv = NULL;
|
||
|
addRegion(s->getRegion());
|
||
|
s->delRef(this);
|
||
|
}
|
||
|
deoptimize();
|
||
|
CHECK_REGION
|
||
|
DWORD size = 0;
|
||
|
RECT box;
|
||
|
getBox(&box);
|
||
|
size = GetRegionData(hrgn, size, NULL);
|
||
|
if (!size) return ;
|
||
|
RGNDATA *data = (RGNDATA *)MALLOC(size);
|
||
|
RECT *r = (RECT *)data->Buffer;
|
||
|
|
||
|
GetRegionData(hrgn, size, (RGNDATA *)data);
|
||
|
double adj = round ? 0.99999 : 0.0;
|
||
|
int iadj = round ? 1 : 0;
|
||
|
|
||
|
if (data->rdh.nCount == 1)
|
||
|
{
|
||
|
RECT nr = box;
|
||
|
nr.left = (int)((double)nr.left * sx - iadj);
|
||
|
nr.top = (int)((double)nr.top * sy - iadj);
|
||
|
nr.right = (int)((double)nr.right * sx + adj);
|
||
|
nr.bottom = (int)((double)nr.bottom * sy + adj);
|
||
|
setRect(&nr);
|
||
|
FREE(data);
|
||
|
return ;
|
||
|
}
|
||
|
|
||
|
for (int i = 0;i < (int)data->rdh.nCount;i++)
|
||
|
{
|
||
|
r[i].left = (int)((double)r[i].left * sx - iadj);
|
||
|
r[i].top = (int)((double)r[i].top * sy - iadj);
|
||
|
r[i].right = (int)((double)r[i].right * sx + adj);
|
||
|
r[i].bottom = (int)((double)r[i].bottom * sy + adj);
|
||
|
}
|
||
|
|
||
|
OSREGIONHANDLE nhrgn = ExtCreateRegion(NULL, size, data);
|
||
|
if (!nhrgn)
|
||
|
{
|
||
|
nhrgn = CreateRectRgn(0, 0, 0, 0);
|
||
|
}
|
||
|
FREE(data);
|
||
|
DeleteObject(hrgn);
|
||
|
hrgn = nhrgn;
|
||
|
optimize();
|
||
|
}
|
||
|
|
||
|
void RegionI::debug(int async)
|
||
|
{
|
||
|
if (!async)
|
||
|
{
|
||
|
SysCanvas c;
|
||
|
RECT r;
|
||
|
getBox(&r);
|
||
|
// c.fillRect(&r, 0);
|
||
|
InvertRgn(c.getHDC(), getOSHandle());
|
||
|
Sleep(200);
|
||
|
InvertRgn(c.getHDC(), getOSHandle());
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
SysCanvas c;
|
||
|
RECT r;
|
||
|
getBox(&r);
|
||
|
// c.fillRect(&r, 0);
|
||
|
if (lastdebug)
|
||
|
InvertRgn(c.getHDC(), lastdebug->getOSHandle());
|
||
|
delete lastdebug;
|
||
|
lastdebug = new RegionI();
|
||
|
lastdebug->addRegion(this);
|
||
|
InvertRgn(c.getHDC(), getOSHandle());
|
||
|
}
|
||
|
}
|
||
|
|
||
|
// later we can cache this data or something if needed
|
||
|
int RegionI::getNumRects()
|
||
|
{
|
||
|
if (optimized) return 1;
|
||
|
int bytes_needed = GetRegionData(hrgn, 0, NULL) + sizeof(RGNDATA);
|
||
|
MemBlock<unsigned char> data(bytes_needed);
|
||
|
GetRegionData(hrgn, bytes_needed, (LPRGNDATA)data.getMemory());
|
||
|
RGNDATA *rgndata = reinterpret_cast<RGNDATA *>(data.getMemory());
|
||
|
return rgndata->rdh.nCount;
|
||
|
}
|
||
|
|
||
|
int RegionI::enumRect(int n, RECT *r)
|
||
|
{
|
||
|
if (optimized)
|
||
|
{
|
||
|
if (n == 0)
|
||
|
{
|
||
|
if (r != NULL) *r = optrect;
|
||
|
return 1;
|
||
|
}
|
||
|
return 0;
|
||
|
}
|
||
|
if (n < 0) return 0;
|
||
|
int bytes_needed = GetRegionData(hrgn, 0, NULL) + sizeof(RGNDATA);
|
||
|
MemBlock<unsigned char> data(bytes_needed);
|
||
|
GetRegionData(hrgn, bytes_needed, (LPRGNDATA)data.getMemory());
|
||
|
RGNDATA *rgndata = reinterpret_cast<RGNDATA *>(data.getMemory());
|
||
|
int nrects = rgndata->rdh.nCount;
|
||
|
if (n >= nrects) return 0;
|
||
|
RECT *rectlist = reinterpret_cast<RECT*>(rgndata->Buffer);
|
||
|
*r = rectlist[n];
|
||
|
return 1;
|
||
|
}
|
||
|
|
||
|
void RegionI::optimize()
|
||
|
{
|
||
|
if (optimized) return ;
|
||
|
if (srv != NULL) return ; // region is cached and shared, do not optimize
|
||
|
CHECK_REGION
|
||
|
getBox(&optrect);
|
||
|
|
||
|
if (IsRectEmpty(&optrect))
|
||
|
return;
|
||
|
|
||
|
RECT br;
|
||
|
OSREGIONHANDLE gr = CreateRectRgnIndirect(&optrect);
|
||
|
OSREGIONHANDLE res = CreateRectRgn(0, 0, 0, 0);
|
||
|
|
||
|
/*
|
||
|
// if they don't intersect, we may be offset
|
||
|
IntersectRgn(res, gr, hrgn);
|
||
|
GetRgnBox(res, &br);
|
||
|
if (br.left == br.right || br.bottom == br.top)
|
||
|
{
|
||
|
DeleteObject(gr);
|
||
|
DeleteObject(res);
|
||
|
return ;
|
||
|
}
|
||
|
*/
|
||
|
|
||
|
// if they intersect, but when subtracting the region from the rect, we get nothing, they're the same, let's optimize
|
||
|
CombineRgn(res, gr, hrgn, RGN_DIFF);
|
||
|
DeleteObject(gr);
|
||
|
GetRgnBox(res, &br);
|
||
|
DeleteObject(res);
|
||
|
if (br.left == br.right || br.bottom == br.top)
|
||
|
{
|
||
|
optimized = 1;
|
||
|
DeleteObject(hrgn);
|
||
|
hrgn = NULL;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
void RegionI::deoptimize()
|
||
|
{
|
||
|
if (!optimized) return ;
|
||
|
CHECK_REGION
|
||
|
SetRectRgn(hrgn, optrect.left, optrect.top, optrect.right, optrect.bottom);
|
||
|
//if (hrgn != NULL) { DeleteObject(hrgn); hrgn = NULL; }
|
||
|
//hrgn = CreateRectRgnIndirect(&optrect);
|
||
|
//CHECK_REGION
|
||
|
optimized = 0;
|
||
|
}
|
||
|
|
||
|
|
||
|
#define CBCLASS RegionServerI
|
||
|
START_DISPATCH;
|
||
|
VCB(REGIONSERVER_ADDREF, addRef);
|
||
|
VCB(REGIONSERVER_DELREF, delRef);
|
||
|
CB(REGIONSERVER_GETREGION, getRegion);
|
||
|
END_DISPATCH;
|
||
|
|
||
|
#endif//WIN32
|