Amebis/wxWidgets
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

wxCursor(wxImage) added (Chris Elliott, patch 517439)

Browse Source 
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@14340 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2002-02-21 15:22:58 +00:00
parent 1af5934b54
commit bff4ec6360
3 changed files with 85 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

73
src/msw/cursor.cpp
View File

@@ -120,6 +120,79 @@ wxCursor::wxCursor()
{
}
wxCursor::wxCursor( const wxImage & image )
{
//image has to be 32x32
wxImage image32 = image.Scale(32,32);
unsigned char * rgbBits = image32.GetData();
int w = image32.GetWidth() ;
int h = image32.GetHeight() ;
bool bHasMask = image32.HasMask() ;
int imagebitcount = (w*h)/8;
unsigned char r, g, b ;
unsigned char * bits = new unsigned char [imagebitcount];
unsigned char * maskBits = new unsigned char [imagebitcount];
int i,j, i8; unsigned char c, cMask;
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 ;
}
}
if (bHasMask)
{
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
{
for (i=0; i<imagebitcount; i++)
maskBits[i]= 0x0 ;
}
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;
wxCursorRefData *refData = new wxCursorRefData;
m_refData = refData;
refData->m_hCursor = (WXHCURSOR) CreateCursor ( wxGetInstance(), hotSpotX, hotSpotY, w, h, /*AND*/ maskBits, /*XOR*/ bits );
delete [] bits ;
delete [] maskBits;
}
wxCursor::wxCursor(const char WXUNUSED(bits)[],
int WXUNUSED(width),
int WXUNUSED(height),