// CDIB <- CDIB
void CDIB::ClipDraw(
int dx, int dy, int dw, int dh, CDIB* dib, int sx, int sy
) {
SelectClipRgn(DC, dib->Rgn);
OffsetClipRgn(DC, dx-sx, dy-sy);
StretchBlt(DC, dx, dy, dw, dh, dib->DC, sx, sy, dw, dh, SRCCOPY);
SelectClipRgn(DC, NULL);
}
void CDrawContext::SetClipRect( const CRect &rc )
{
HRGN hrgn = CreateRectRgnIndirect( &rc );
::SelectClipRgn( m_hdc, hrgn );
POINT pt;
GetWindowOrgEx( m_hdc, &pt );
OffsetClipRgn( m_hdc, -pt.x, -pt.y );
VAPI( ::DeleteObject( hrgn ) );
}
// DC <- CDIB
void CDIB::ClipDraw(
HDC dc, int dx, int dy, int dw, int dh, int sx, int sy
) {
POINT p;
GetViewportOrgEx(dc, &p);
SelectClipRgn(dc, Rgn);
OffsetClipRgn(dc, p.x+dx-sx, p.y+dy-sy);
StretchBlt(dc, dx, dy, dw, dh, DC, sx, sy, dw, dh, SRCCOPY);
SelectClipRgn(dc, NULL);
}
void VDVideoWindow::NCPaint(HRGN hrgn) {
HDC hdc;
// MSDN docs are in error -- if you do not include 0x10000, GetDCEx() will
// return NULL but still won't set an error flag. Feng Yuan's Windows
// Graphics book calls this the "undocumented flag that makes GetDCEx()
// succeed" flag. ^^;
//
// WINE's source code documents it as DCX_USESTYLE, which makes more sense,
// and that is the way WINE's DefWindowProc() handles WM_NCPAINT. This is
// a cleaner solution than using DCX_CACHE, which also works but overrides
// CS_OWNDC and CS_PARENTDC. I'm not going to argue with years of reverse
// engineering.
//
// NOTE: Using DCX_INTERSECTRGN as recommended by MSDN causes Windows 98
// GDI to intermittently crash!
hdc = GetDCEx(mhwnd, NULL, DCX_WINDOW|0x10000);
if (hdc) {
RECT rc;
GetWindowRect(mhwnd, &rc);
if ((WPARAM)hrgn > 1) {
OffsetClipRgn(hdc, rc.left, rc.top);
ExtSelectClipRgn(hdc, hrgn, RGN_AND);
OffsetClipRgn(hdc, -rc.left, -rc.top);
}
OffsetRect(&rc, -rc.left, -rc.top);
DrawEdge(hdc, &rc, BDR_RAISEDOUTER|BDR_RAISEDINNER, BF_RECT);
rc.left += 2;
rc.right -= 2;
rc.top += 2;
rc.bottom -= 2;
DrawEdge(hdc, &rc, BDR_SUNKENOUTER|BDR_SUNKENINNER, BF_RECT);
ReleaseDC(mhwnd, hdc);
}
}
int
XCopyArea(
Display *display,
Drawable src,
Drawable dest,
GC gc,
int src_x, int src_y,
unsigned int width, unsigned int height,
int dest_x, int dest_y)
{
HDC srcDC, destDC;
TkWinDCState srcState, destState;
TkpClipMask *clipPtr = (TkpClipMask*)gc->clip_mask;
srcDC = TkWinGetDrawableDC(display, src, &srcState);
if (src != dest) {
destDC = TkWinGetDrawableDC(display, dest, &destState);
} else {
destDC = srcDC;
}
if (clipPtr && clipPtr->type == TKP_CLIP_REGION) {
SelectClipRgn(destDC, (HRGN) clipPtr->value.region);
OffsetClipRgn(destDC, gc->clip_x_origin, gc->clip_y_origin);
}
BitBlt(destDC, dest_x, dest_y, (int) width, (int) height, srcDC,
src_x, src_y, (DWORD) tkpWinBltModes[gc->function]);
SelectClipRgn(destDC, NULL);
if (src != dest) {
TkWinReleaseDrawableDC(dest, destDC, &destState);
}
TkWinReleaseDrawableDC(src, srcDC, &srcState);
return Success;
}
static void test_dc_layout(void)
{
INT ret, size_cx, size_cy, res_x, res_y, dpi_x, dpi_y;
SIZE size;
POINT pt;
HBITMAP bitmap;
RECT rc, ret_rc;
HDC hdc;
HRGN hrgn;
if (!pGetLayout || !pSetLayout)
{
win_skip( "Don't have SetLayout\n" );
return;
}
hdc = CreateCompatibleDC(0);
bitmap = CreateCompatibleBitmap( hdc, 100, 100 );
SelectObject( hdc, bitmap );
size_cx = GetDeviceCaps(hdc, HORZSIZE);
size_cy = GetDeviceCaps(hdc, VERTSIZE);
res_x = GetDeviceCaps(hdc, HORZRES);
res_y = GetDeviceCaps(hdc, VERTRES);
dpi_x = GetDeviceCaps(hdc, LOGPIXELSX);
dpi_y = GetDeviceCaps(hdc, LOGPIXELSY);
ret = GetMapMode( hdc );
ok(ret == MM_TEXT, "expected MM_TEXT, got %d\n", ret);
expect_viewport_ext(hdc, 1, 1);
expect_window_ext(hdc, 1, 1);
expect_world_transform(hdc, 1.0, 1.0);
expect_LPtoDP(hdc, 1000, 1000);
pSetLayout( hdc, LAYOUT_RTL );
if (!pGetLayout( hdc ))
{
win_skip( "SetLayout not supported\n" );
DeleteDC(hdc);
return;
}
ret = GetMapMode( hdc );
ok(ret == MM_ANISOTROPIC, "expected MM_ANISOTROPIC, got %d\n", ret);
expect_viewport_ext(hdc, 1, 1);
expect_window_ext(hdc, 1, 1);
expect_world_transform(hdc, 1.0, 1.0);
expect_LPtoDP(hdc, -1000 + 99, 1000);
GetViewportOrgEx( hdc, &pt );
ok( pt.x == 0 && pt.y == 0, "wrong origin %d,%d\n", pt.x, pt.y );
GetWindowOrgEx( hdc, &pt );
ok( pt.x == 0 && pt.y == 0, "wrong origin %d,%d\n", pt.x, pt.y );
GetDCOrgEx( hdc, &pt );
ok( pt.x == 0 && pt.y == 0, "wrong origin %d,%d\n", pt.x, pt.y );
if (pGetTransform)
{
XFORM xform;
BOOL ret = pGetTransform( hdc, 0x204, &xform ); /* World -> Device */
ok( ret, "got %d\n", ret );
ok( xform.eM11 == -1.0, "got %f\n", xform.eM11 );
ok( xform.eM12 == 0.0, "got %f\n", xform.eM12 );
ok( xform.eM21 == 0.0, "got %f\n", xform.eM21 );
ok( xform.eM22 == 1.0, "got %f\n", xform.eM22 );
ok( xform.eDx == 99.0, "got %f\n", xform.eDx );
ok( xform.eDy == 0.0, "got %f\n", xform.eDy );
}
SetRect( &rc, 10, 10, 20, 20 );
IntersectClipRect( hdc, 10, 10, 20, 20 );
hrgn = CreateRectRgn( 0, 0, 0, 0 );
GetClipRgn( hdc, hrgn );
GetRgnBox( hrgn, &ret_rc );
ok( EqualRect( &rc, &ret_rc ), "wrong clip box %d,%d - %d,%d\n",
ret_rc.left, ret_rc.top, ret_rc.right, ret_rc.bottom );
pSetLayout( hdc, LAYOUT_LTR );
SetRect( &rc, 80, 10, 90, 20 );
GetClipRgn( hdc, hrgn );
GetRgnBox( hrgn, &ret_rc );
ok( EqualRect( &rc, &ret_rc ), "wrong clip box %d,%d - %d,%d\n",
ret_rc.left, ret_rc.top, ret_rc.right, ret_rc.bottom );
GetClipBox( hdc, &ret_rc );
ok( EqualRect( &rc, &ret_rc ), "wrong clip box %d,%d - %d,%d\n",
ret_rc.left, ret_rc.top, ret_rc.right, ret_rc.bottom );
IntersectClipRect( hdc, 80, 10, 85, 20 );
pSetLayout( hdc, LAYOUT_RTL );
SetRect( &rc, 15, 10, 20, 20 );
GetClipRgn( hdc, hrgn );
GetRgnBox( hrgn, &ret_rc );
ok( EqualRect( &rc, &ret_rc ), "wrong clip box %d,%d - %d,%d\n",
ret_rc.left, ret_rc.top, ret_rc.right, ret_rc.bottom );
GetClipBox( hdc, &ret_rc );
ok( EqualRect( &rc, &ret_rc ), "wrong clip box %d,%d - %d,%d\n",
ret_rc.left, ret_rc.top, ret_rc.right, ret_rc.bottom );
SetRectRgn( hrgn, 60, 10, 80, 20 );
pSetLayout( hdc, LAYOUT_LTR );
ExtSelectClipRgn( hdc, hrgn, RGN_OR );
pSetLayout( hdc, LAYOUT_RTL );
SetRect( &rc, 15, 10, 40, 20 );
GetClipRgn( hdc, hrgn );
GetRgnBox( hrgn, &ret_rc );
ok( EqualRect( &rc, &ret_rc ), "wrong clip box %d,%d - %d,%d\n",
ret_rc.left, ret_rc.top, ret_rc.right, ret_rc.bottom );
GetClipBox( hdc, &ret_rc );
ok( EqualRect( &rc, &ret_rc ), "wrong clip box %d,%d - %d,%d\n",
ret_rc.left, ret_rc.top, ret_rc.right, ret_rc.bottom );
/* OffsetClipRgn mirrors too */
OffsetClipRgn( hdc, 5, 5 );
OffsetRect( &rc, 5, 5 );
GetClipRgn( hdc, hrgn );
GetRgnBox( hrgn, &ret_rc );
ok( EqualRect( &rc, &ret_rc ), "wrong clip box %d,%d - %d,%d\n",
ret_rc.left, ret_rc.top, ret_rc.right, ret_rc.bottom );
/* GetRandomRgn returns the raw region */
if (pGetRandomRgn)
{
SetRect( &rc, 55, 15, 80, 25 );
pGetRandomRgn( hdc, hrgn, 1 );
GetRgnBox( hrgn, &ret_rc );
ok( EqualRect( &rc, &ret_rc ), "wrong clip box %d,%d - %d,%d\n",
ret_rc.left, ret_rc.top, ret_rc.right, ret_rc.bottom );
}
SetMapMode(hdc, MM_LOMETRIC);
ret = GetMapMode( hdc );
ok(ret == MM_ANISOTROPIC, "expected MM_ANISOTROPIC, got %d\n", ret);
expect_viewport_ext(hdc, res_x, -res_y);
ok( GetWindowExtEx( hdc, &size ), "GetWindowExtEx failed\n" );
ok( rough_match( size.cx, size_cx * 10 ) ||
rough_match( size.cx, MulDiv( res_x, 254, dpi_x )), /* Vista uses a more precise method */
"expected cx %d or %d, got %d\n", size_cx * 10, MulDiv( res_x, 254, dpi_x ), size.cx );
ok( rough_match( size.cy, size_cy * 10 ) ||
rough_match( size.cy, MulDiv( res_y, 254, dpi_y )), /* Vista uses a more precise method */
"expected cy %d or %d, got %d\n", size_cy * 10, MulDiv( res_y, 254, dpi_y ), size.cy );
expect_world_transform(hdc, 1.0, 1.0);
expect_LPtoDP(hdc, -MulDiv(1000 / 10, res_x, size_cx) + 99, -MulDiv(1000 / 10, res_y, size_cy));
SetMapMode(hdc, MM_TEXT);
ret = GetMapMode( hdc );
ok(ret == MM_ANISOTROPIC, "expected MM_ANISOTROPIC, got %d\n", ret);
pSetLayout( hdc, LAYOUT_LTR );
ret = GetMapMode( hdc );
ok(ret == MM_ANISOTROPIC, "expected MM_ANISOTROPIC, got %d\n", ret);
SetMapMode(hdc, MM_TEXT);
ret = GetMapMode( hdc );
ok(ret == MM_TEXT, "expected MM_TEXT, got %d\n", ret);
DeleteDC(hdc);
DeleteObject( bitmap );
}
void
XCopyPlane(
Display *display,
Drawable src,
Drawable dest,
GC gc,
int src_x, int src_y,
unsigned int width, unsigned int height,
int dest_x, int dest_y,
unsigned long plane)
{
HDC srcDC, destDC;
TkWinDCState srcState, destState;
HBRUSH bgBrush, fgBrush, oldBrush;
TkpClipMask *clipPtr = (TkpClipMask*)gc->clip_mask;
display->request++;
if (plane != 1) {
Tcl_Panic("Unexpected plane specified for XCopyPlane");
}
srcDC = TkWinGetDrawableDC(display, src, &srcState);
if (src != dest) {
destDC = TkWinGetDrawableDC(display, dest, &destState);
} else {
destDC = srcDC;
}
if (clipPtr == NULL || clipPtr->type == TKP_CLIP_REGION) {
/*
* Case 1: opaque bitmaps. Windows handles the conversion from one bit
* to multiple bits by setting 0 to the foreground color, and 1 to the
* background color (seems backwards, but there you are).
*/
if (clipPtr && clipPtr->type == TKP_CLIP_REGION) {
SelectClipRgn(destDC, (HRGN) clipPtr->value.region);
OffsetClipRgn(destDC, gc->clip_x_origin, gc->clip_y_origin);
}
SetBkMode(destDC, OPAQUE);
SetBkColor(destDC, gc->foreground);
SetTextColor(destDC, gc->background);
BitBlt(destDC, dest_x, dest_y, (int) width, (int) height, srcDC,
src_x, src_y, SRCCOPY);
SelectClipRgn(destDC, NULL);
} else if (clipPtr->type == TKP_CLIP_PIXMAP) {
if (clipPtr->value.pixmap == src) {
/*
* Case 2: transparent bitmaps are handled by setting the
* destination to the foreground color whenever the source pixel
* is set.
*/
fgBrush = CreateSolidBrush(gc->foreground);
oldBrush = SelectObject(destDC, fgBrush);
SetBkColor(destDC, RGB(255,255,255));
SetTextColor(destDC, RGB(0,0,0));
BitBlt(destDC, dest_x, dest_y, (int) width, (int) height, srcDC,
src_x, src_y, MASKPAT);
SelectObject(destDC, oldBrush);
DeleteObject(fgBrush);
} else {
/*
* Case 3: two arbitrary bitmaps. Copy the source rectangle into a
* color pixmap. Use the result as a brush when copying the clip
* mask into the destination.
*/
HDC memDC, maskDC;
HBITMAP bitmap;
TkWinDCState maskState;
fgBrush = CreateSolidBrush(gc->foreground);
bgBrush = CreateSolidBrush(gc->background);
maskDC = TkWinGetDrawableDC(display, clipPtr->value.pixmap,
&maskState);
memDC = CreateCompatibleDC(destDC);
bitmap = CreateBitmap((int) width, (int) height, 1, 1, NULL);
SelectObject(memDC, bitmap);
/*
* Set foreground bits. We create a new bitmap containing (source
* AND mask), then use it to set the foreground color into the
* destination.
*/
BitBlt(memDC, 0, 0, (int) width, (int) height, srcDC, src_x, src_y,
SRCCOPY);
BitBlt(memDC, 0, 0, (int) width, (int) height, maskDC,
dest_x - gc->clip_x_origin, dest_y - gc->clip_y_origin,
SRCAND);
oldBrush = SelectObject(destDC, fgBrush);
BitBlt(destDC, dest_x, dest_y, (int) width, (int) height, memDC,
0, 0, MASKPAT);
/*
* Set background bits. Same as foreground, except we use ((NOT
* source) AND mask) and the background brush.
*/
BitBlt(memDC, 0, 0, (int) width, (int) height, srcDC, src_x, src_y,
NOTSRCCOPY);
BitBlt(memDC, 0, 0, (int) width, (int) height, maskDC,
dest_x - gc->clip_x_origin, dest_y - gc->clip_y_origin,
SRCAND);
SelectObject(destDC, bgBrush);
BitBlt(destDC, dest_x, dest_y, (int) width, (int) height, memDC,
0, 0, MASKPAT);
TkWinReleaseDrawableDC(clipPtr->value.pixmap, maskDC, &maskState);
SelectObject(destDC, oldBrush);
DeleteDC(memDC);
DeleteObject(bitmap);
DeleteObject(fgBrush);
DeleteObject(bgBrush);
}
}
if (src != dest) {
TkWinReleaseDrawableDC(dest, destDC, &destState);
}
TkWinReleaseDrawableDC(src, srcDC, &srcState);
}