HRGN Label::CreateBackgroundRegion()
{
HRGN region = NULL;
if (mBackgroundImage)
{
// Draw the background into a memory bitmap, then create a region from
// non-transparent pixels in that bitmap.
HDC windowDC = GetDC(mWindow);
HDC bufferDC = CreateCompatibleDC(windowDC);
HBITMAP bufferBitmap = CreateCompatibleBitmap(windowDC, mWidth, mHeight);
HBITMAP oldBufferBitmap = SelectBitmap(bufferDC, bufferBitmap);
DrawBackground(bufferDC);
SelectBitmap(bufferDC, oldBufferBitmap);
region = BitmapToRegion(bufferBitmap, RGB(255, 0, 255), 0, 0, 0);
DeleteDC(bufferDC);
DeleteBitmap(bufferBitmap);
ReleaseDC(mWindow, windowDC);
}
else
{
// If there is no background image, the window is always rectangular
region = CreateRectRgn(0, 0, mWidth, mHeight);
}
return region;
}
void CAnimateButton::PrepareBitmap(HBITMAP hBitmap)
{
int nStates = 4;
//取得图像所处区域及计算各状态按钮窗口区域
m_arBmpRgn.SetSize(nStates);
m_arBmpRgn.SetSize(nStates);
CRect rcTmp;
for(int i = 0; i < nStates; i ++)
{
m_arBmpRgn[i] = BitmapToRegion(hBitmap, nStates, i);
}
CBitmap* pBmpWhole = CBitmap::FromHandle(hBitmap);
BITMAP bmp;
pBmpWhole->GetBitmap(&bmp);
m_aniBtnWidth = bmp.bmWidth / nStates;
m_aniBtnHeight = bmp.bmHeight;
m_pMemDC = new CDC;
CDC* pDC = GetDC();
m_pMemDC->CreateCompatibleDC(pDC);
m_pMemDC->SelectObject(pBmpWhole);
ReleaseDC(pDC);
CRgn RgnWnd;
RgnWnd.CreateRectRgn(0, 0, m_aniBtnWidth, m_aniBtnHeight);
SetWindowRgn(HRGN(RgnWnd), FALSE);
//调整大小(这样在DrawItem里面才可能限定画的范围)
SetWindowPos(NULL, 0, 0, m_aniBtnWidth, m_aniBtnHeight, SWP_NOMOVE);
}
int
ProcXFixesCreateRegionFromBitmap(ClientPtr client)
{
RegionPtr pRegion;
PixmapPtr pPixmap;
int rc;
REQUEST(xXFixesCreateRegionFromBitmapReq);
REQUEST_SIZE_MATCH(xXFixesCreateRegionFromBitmapReq);
LEGAL_NEW_RESOURCE(stuff->region, client);
rc = dixLookupResourceByType((void **) &pPixmap, stuff->bitmap, RT_PIXMAP,
client, DixReadAccess);
if (rc != Success) {
client->errorValue = stuff->bitmap;
return rc;
}
if (pPixmap->drawable.depth != 1)
return BadMatch;
pRegion = BitmapToRegion(pPixmap->drawable.pScreen, pPixmap);
if (!pRegion)
return BadAlloc;
if (!AddResource(stuff->region, RegionResType, (void *) pRegion))
return BadAlloc;
return Success;
}
int
miChangePictureClip(PicturePtr pPicture, int type, void *value, int n)
{
ScreenPtr pScreen = pPicture->pDrawable->pScreen;
PictureScreenPtr ps = GetPictureScreen(pScreen);
RegionPtr clientClip;
switch (type) {
case CT_PIXMAP:
/* convert the pixmap to a region */
clientClip = BitmapToRegion(pScreen, (PixmapPtr) value);
if (!clientClip)
return BadAlloc;
(*pScreen->DestroyPixmap) ((PixmapPtr) value);
break;
case CT_REGION:
clientClip = value;
break;
case CT_NONE:
clientClip = 0;
break;
default:
clientClip = RegionFromRects(n, (xRectangle *) value, type);
if (!clientClip)
return BadAlloc;
free(value);
break;
}
(*ps->DestroyPictureClip) (pPicture);
pPicture->clientClip = clientClip;
pPicture->stateChanges |= CPClipMask;
return Success;
}
int
ProcXFixesCreateRegionFromPicture (ClientPtr client)
{
RegionPtr pRegion;
PicturePtr pPicture;
REQUEST (xXFixesCreateRegionFromPictureReq);
REQUEST_SIZE_MATCH (xXFixesCreateRegionFromPictureReq);
LEGAL_NEW_RESOURCE (stuff->region, client);
VERIFY_PICTURE(pPicture, stuff->picture, client, DixGetAttrAccess);
switch (pPicture->clientClipType) {
case CT_PIXMAP:
pRegion = BitmapToRegion(pPicture->pDrawable->pScreen,
(PixmapPtr) pPicture->clientClip);
if (!pRegion)
return BadAlloc;
break;
case CT_REGION:
pRegion = XFixesRegionCopy ((RegionPtr) pPicture->clientClip);
if (!pRegion)
return BadAlloc;
break;
default:
return BadImplementation; /* assume sane server bits */
}
if (!AddResource (stuff->region, RegionResType, (pointer) pRegion))
return BadAlloc;
return Success;
}
void CXTPPopupControl::UpdateBitmapRegion()
{
if (!GetSafeHwnd())
return;
m_bLayered = FALSE;
if (m_nBackgroundBitmap <= 0)
{
SetWindowRgn(NULL, FALSE);
return;
}
CXTPImageManagerIcon* pImage = m_pImageManager->GetImage(m_nBackgroundBitmap, 0);
if (!pImage)
{
SetWindowRgn(NULL, FALSE);
return;
}
if (pImage->IsAlpha())
{
SetWindowRgn(NULL, FALSE);
SetRegionAlphaLayer(pImage);
}
else
{
HRGN hRgn = BitmapToRegion(pImage);
if (!hRgn)
return;
SetWindowRgn(hRgn, FALSE);
}
}
void
miChangeClip(GCPtr pGC, int type, void *pvalue, int nrects)
{
(*pGC->funcs->DestroyClip) (pGC);
if (type == CT_PIXMAP) {
/* convert the pixmap to a region */
pGC->clientClip = BitmapToRegion(pGC->pScreen, (PixmapPtr) pvalue);
(*pGC->pScreen->DestroyPixmap) (pvalue);
}
else if (type == CT_REGION) {
/* stuff the region in the GC */
pGC->clientClip = pvalue;
}
else if (type != CT_NONE) {
pGC->clientClip = RegionFromRects(nrects, (xRectangle *) pvalue, type);
free(pvalue);
}
pGC->stateChanges |= GCClipMask;
}
BOOL CSuperProgressCtrl::Create(CWnd* pParent, int x, int y,
HBITMAP hbmArea, UINT nID)
{
// Local Variables
BITMAP bm;
BOOL bRet;
HRGN hRgn;
// Get the dimensions of the given bitmap
if(GetObject((HGDIOBJ)hbmArea, sizeof(BITMAP), (void*)&bm) == 0)
return FALSE;
// Create the window
bRet = CWnd::Create(s_Class, NULL, WS_VISIBLE | WS_CHILD,
CRect(x, y, x+bm.bmWidth-1, y+bm.bmHeight-1), pParent,
nID, NULL);
// Set the various member variables
m_nMin = 0; // Default minimum is 0
m_nMax = 100; // Default maximum is 100
m_nPosition = 0; // Initial position is at 0
m_nStep = 10; // Default step is 10
m_Colour1 = RGB(0,0,255); // Default start colour is blue
m_Colour2 = RGB(255,0,0); // Default end colour is red
m_Background = GetSysColor(COLOR_3DFACE); // Dialog Background
m_nFillStyle = SP_FILL_HORZGRAD; // Horizontal Gradient
// If the window was created successfully, set the window region
if(bRet)
{
m_hbmArea = hbmArea;
m_hRegion = BitmapToRegion(hbmArea, RGB(255,255,255), 0x000000);
hRgn = InflateRegion(m_hRegion, 1, 1);
SetWindowRgn(m_hWnd, hRgn, TRUE);
// We don't need to delete the region,
// Windows does it for us when the
// window is destroyed
}
// Return the status of the window creation
return bRet;
}
int
ProcXFixesCreateRegionFromGC (ClientPtr client)
{
RegionPtr pRegion, pClip;
GCPtr pGC;
int rc;
REQUEST (xXFixesCreateRegionFromGCReq);
REQUEST_SIZE_MATCH (xXFixesCreateRegionFromGCReq);
LEGAL_NEW_RESOURCE (stuff->region, client);
rc = dixLookupGC(&pGC, stuff->gc, client, DixGetAttrAccess);
if (rc != Success)
return rc;
switch (pGC->clientClipType) {
case CT_PIXMAP:
pRegion = BitmapToRegion(pGC->pScreen, (PixmapPtr) pGC->clientClip);
if (!pRegion)
return BadAlloc;
break;
case CT_REGION:
pClip = (RegionPtr) pGC->clientClip;
pRegion = XFixesRegionCopy (pClip);
if (!pRegion)
return BadAlloc;
break;
default:
return BadImplementation; /* assume sane server bits */
}
if (!AddResource (stuff->region, RegionResType, (pointer) pRegion))
return BadAlloc;
return Success;
}
static int
ProcShapeMask(ClientPtr client)
{
WindowPtr pWin;
ScreenPtr pScreen;
REQUEST(xShapeMaskReq);
RegionPtr srcRgn;
RegionPtr *destRgn;
PixmapPtr pPixmap;
CreateDftPtr createDefault;
int rc;
REQUEST_SIZE_MATCH(xShapeMaskReq);
UpdateCurrentTime();
rc = dixLookupWindow(&pWin, stuff->dest, client, DixSetAttrAccess);
if (rc != Success)
return rc;
switch (stuff->destKind) {
case ShapeBounding:
createDefault = CreateBoundingShape;
break;
case ShapeClip:
createDefault = CreateClipShape;
break;
case ShapeInput:
createDefault = CreateBoundingShape;
break;
default:
client->errorValue = stuff->destKind;
return BadValue;
}
pScreen = pWin->drawable.pScreen;
if (stuff->src == None)
srcRgn = 0;
else {
rc = dixLookupResourceByType((pointer *) &pPixmap, stuff->src,
RT_PIXMAP, client, DixReadAccess);
if (rc != Success)
return rc;
if (pPixmap->drawable.pScreen != pScreen ||
pPixmap->drawable.depth != 1)
return BadMatch;
srcRgn = BitmapToRegion(pScreen, pPixmap);
if (!srcRgn)
return BadAlloc;
}
if (!pWin->optional)
MakeWindowOptional(pWin);
switch (stuff->destKind) {
case ShapeBounding:
destRgn = &pWin->optional->boundingShape;
break;
case ShapeClip:
destRgn = &pWin->optional->clipShape;
break;
case ShapeInput:
destRgn = &pWin->optional->inputShape;
break;
default:
return BadValue;
}
return RegionOperate(client, pWin, (int) stuff->destKind,
destRgn, srcRgn, (int) stuff->op,
stuff->xOff, stuff->yOff, createDefault);
}
