- // first create the XOR mask
- for ( i = 0; i < imagebitcount; i++ )
- {
- bits[i] = 0;
- i8 = i * 8;
- // unlike gtk, the pixels go in the opposite order in the bytes
- cMask = 128;
- for ( j = 0; j < 8; j++ )
- {
- // possible overflow if we do the summation first ?
- c = rgbBits[(i8+j)*3]/3 +
- rgbBits[(i8+j)*3+1]/3 +
- rgbBits[(i8+j)*3+2]/3;
-
- // if average value is > mid grey
- if ( c > 127 )
- bits[i] = bits[i] | cMask;
- cMask = cMask / 2;
- }
- }
-
- // now the AND one
- if ( image32.HasMask() )
- {
- unsigned char r = image32.GetMaskRed(),
- g = image32.GetMaskGreen(),
- b = image32.GetMaskBlue();
-
- for ( i = 0; i < imagebitcount; i++ )
- {
- maskBits[i] = 0x0;
- i8 = i * 8;
-
- cMask = 128;
- for ( j = 0; j < 8; j++ )
- {
- if ( rgbBits[(i8+j)*3] == r &&
- rgbBits[(i8+j)*3+1] == g &&
- rgbBits[(i8+j)*3+2] == b )
- {
- maskBits[i] = maskBits[i] | cMask;
- }
-
- cMask = cMask / 2;
- }
- }
- }
- else // no mask in the image
- {
- memset(maskBits.get(), 0, sizeof(unsigned char)*imagebitcount);
- }
-
- // determine where should the cursors hot spot be
- int hotSpotX = image32.GetOptionInt(wxCUR_HOTSPOT_X);
- int hotSpotY = image32.GetOptionInt(wxCUR_HOTSPOT_Y);
- if (hotSpotX < 0 || hotSpotX >= w)
- hotSpotX = 0;
- if (hotSpotY < 0 || hotSpotY >= h)
- hotSpotY = 0;
-
- // do create cursor now
- HCURSOR hcursor = ::CreateCursor
- (
- wxGetInstance(),
- hotSpotX, hotSpotY,
- w, h,
- /* AND */ maskBits.get(),
- /* XOR */ bits.get()
- );
+ wxASSERT_MSG( hotSpotX >= 0 && hotSpotX < w &&
+ hotSpotY >= 0 && hotSpotY < h,
+ _T("invalid cursor hot spot coordinates") );
- { false, _T("wxCURSOR_RIGHT_ARROW") }, // wxCURSOR_RIGHT_ARROW
- { false, _T("wxCURSOR_BULLSEYE") }, // wxCURSOR_BULLSEYE
- { true, IDC_ARROW }, // wxCURSOR_CHAR
- { true, IDC_CROSS }, // wxCURSOR_CROSS
- { false, _T("wxCURSOR_HAND") }, // wxCURSOR_HAND
- { true, IDC_IBEAM }, // wxCURSOR_IBEAM
- { true, IDC_ARROW }, // wxCURSOR_LEFT_BUTTON
- { false, _T("wxCURSOR_MAGNIFIER") }, // wxCURSOR_MAGNIFIER
- { true, IDC_ARROW }, // wxCURSOR_MIDDLE_BUTTON
- { true, IDC_NO }, // wxCURSOR_NO_ENTRY
- { false, _T("wxCURSOR_PAINT_BRUSH") }, // wxCURSOR_PAINT_BRUSH
- { false, _T("wxCURSOR_PENCIL") }, // wxCURSOR_PENCIL
- { false, _T("wxCURSOR_POINT_LEFT") }, // wxCURSOR_POINT_LEFT
- { false, _T("wxCURSOR_POINT_RIGHT") }, // wxCURSOR_POINT_RIGHT
- { true, IDC_HELP }, // wxCURSOR_QUESTION_ARROW
- { true, IDC_ARROW }, // wxCURSOR_RIGHT_BUTTON
- { true, IDC_SIZENESW }, // wxCURSOR_SIZENESW
- { true, IDC_SIZENS }, // wxCURSOR_SIZENS
- { true, IDC_SIZENWSE }, // wxCURSOR_SIZENWSE
- { true, IDC_SIZEWE }, // wxCURSOR_SIZEWE
- { true, IDC_SIZEALL }, // wxCURSOR_SIZING
- { false, _T("wxCURSOR_SPRAYCAN") }, // wxCURSOR_SPRAYCAN
- { true, IDC_WAIT }, // wxCURSOR_WAIT
- { true, IDC_WAIT }, // wxCURSOR_WATCH
- { false, _T("wxCURSOR_BLANK") }, // wxCURSOR_BLANK
+ { false, _T("WXCURSOR_RIGHT_ARROW") }, // wxCURSOR_RIGHT_ARROW
+ { false, _T("WXCURSOR_BULLSEYE") }, // wxCURSOR_BULLSEYE
+ { true, IDC_ARROW }, // WXCURSOR_CHAR
+ { true, IDC_CROSS }, // WXCURSOR_CROSS
+ { false, _T("WXCURSOR_HAND") }, // wxCURSOR_HAND
+ { true, IDC_IBEAM }, // WXCURSOR_IBEAM
+ { true, IDC_ARROW }, // WXCURSOR_LEFT_BUTTON
+ { false, _T("WXCURSOR_MAGNIFIER") }, // wxCURSOR_MAGNIFIER
+ { true, IDC_ARROW }, // WXCURSOR_MIDDLE_BUTTON
+ { true, IDC_NO }, // WXCURSOR_NO_ENTRY
+ { false, _T("WXCURSOR_PAINT_BRUSH") }, // wxCURSOR_PAINT_BRUSH
+ { false, _T("WXCURSOR_PENCIL") }, // wxCURSOR_PENCIL
+ { false, _T("WXCURSOR_POINT_LEFT") }, // wxCURSOR_POINT_LEFT
+ { false, _T("WXCURSOR_POINT_RIGHT") }, // wxCURSOR_POINT_RIGHT
+ { true, IDC_HELP }, // WXCURSOR_QUESTION_ARROW
+ { true, IDC_ARROW }, // WXCURSOR_RIGHT_BUTTON
+ { true, IDC_SIZENESW }, // WXCURSOR_SIZENESW
+ { true, IDC_SIZENS }, // WXCURSOR_SIZENS
+ { true, IDC_SIZENWSE }, // WXCURSOR_SIZENWSE
+ { true, IDC_SIZEWE }, // WXCURSOR_SIZEWE
+ { true, IDC_SIZEALL }, // WXCURSOR_SIZING
+ { false, _T("WXCURSOR_SPRAYCAN") }, // wxCURSOR_SPRAYCAN
+ { true, IDC_WAIT }, // WXCURSOR_WAIT
+ { true, IDC_WAIT }, // WXCURSOR_WATCH
+ { false, _T("WXCURSOR_BLANK") }, // wxCURSOR_BLANK