wxCursor::wxCursor( const wxCursor &cursor )
+ : wxObject()
{
Ref( cursor );
}
#if wxUSE_IMAGE
+
wxCursor::wxCursor( const wxImage & image )
{
unsigned char * rgbBits = image.GetData();
- int w = image.GetWidth() ;
- int h = image.GetHeight() ;
- bool bHasMask = image.HasMask() ;
+ int w = image.GetWidth() ;
+ int h = image.GetHeight();
+ bool bHasMask = image.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;
+ int i, j, i8; unsigned char c, cMask;
for (i=0; i<imagebitcount; i++)
- {
+ {
bits[i] = 0;
i8 = i * 8;
cMask = 1;
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 ;
- }
+ {
+ // 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;
}
+ }
+
+ unsigned long keyMaskColor;
if (bHasMask)
- {
- r = image.GetMaskRed() ;
- g = image.GetMaskGreen() ;
- b = image.GetMaskBlue() ;
+ {
+ unsigned char
+ r = image.GetMaskRed(),
+ g = image.GetMaskGreen(),
+ b = image.GetMaskBlue();
for (i=0; i<imagebitcount; i++)
{
- maskBits[i] = 0x0;
- i8 = i * 8;
+ maskBits[i] = 0x0;
+ i8 = i * 8;
- cMask = 1;
- 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 ;
- }
- }
+ cMask = 1;
+ 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
- {
+
+ keyMaskColor = (r << 16) | (g << 8) | b;
+ }
+ else // no mask
+ {
for (i=0; i<imagebitcount; i++)
- maskBits[i]= 0xFF ;
- }
- //find the most frequent color(s)
- //it seems a waste of effort to copy the image
- //but otherwise we need to remove the const modifier ??
- wxImage tmpImage = image.Copy();
+ maskBits[i] = 0xFF;
+
+ // init it to avoid compiler warnings
+ keyMaskColor = 0;
+ }
+
+ // find the most frequent color(s)
wxImageHistogram histogram;
+ image.ComputeHistogram(histogram);
- //colors as rrggbb
+ // colors as rrggbb
unsigned long key;
unsigned long value;
- unsigned long keyMaskColor = 0;
- if (bHasMask)
- keyMaskColor = (r << 16) | (g << 8) | b;
-
- tmpImage.ComputeHistogram(histogram);
- long MostFreqCol = 0;
+ long colMostFreq = 0;
unsigned long nMost = 0;
- long NextFreqCol = 0;
+ long colNextMostFreq = 0;
unsigned long nNext = 0;
- wxImageHistogram::iterator entry = histogram.begin();
-
- while ( entry != histogram.end() )
+ for ( wxImageHistogram::iterator entry = histogram.begin();
+ entry != histogram.end();
+ ++entry )
{
value = entry->second.value;
key = entry->first;
if (value > nMost)
{
nMost = value;
- MostFreqCol = key;
+ colMostFreq = key;
}
else if (value > nNext)
{
nNext = value;
- NextFreqCol = key;
+ colNextMostFreq = key;
}
}
}
- wxColour fg = wxColour ( (unsigned char)(MostFreqCol >> 16),
- (unsigned char)(MostFreqCol >> 8),
- (unsigned char)(MostFreqCol) ) ;
+ wxColour fg = wxColour ( (unsigned char)(colMostFreq >> 16),
+ (unsigned char)(colMostFreq >> 8),
+ (unsigned char)(colMostFreq) );
- wxColour bg = wxColour ( (unsigned char)(NextFreqCol >> 16),
- (unsigned char)(NextFreqCol >> 8),
- (unsigned char)(NextFreqCol) ) ;
+ wxColour bg = wxColour ( (unsigned char)(colNextMostFreq >> 16),
+ (unsigned char)(colNextMostFreq >> 8),
+ (unsigned char)(colNextMostFreq) );
- int hotSpotX=0;
- int hotSpotY=0;
+ int hotSpotX;
+ int hotSpotY;
if (image.HasOption(wxCUR_HOTSPOT_X))
hotSpotX = image.GetOptionInt(wxCUR_HOTSPOT_X);
+ else
+ hotSpotX = 0;
+
if (image.HasOption(wxCUR_HOTSPOT_Y))
hotSpotY = image.GetOptionInt(wxCUR_HOTSPOT_Y);
+ else
+ hotSpotY = 0;
if (hotSpotX < 0 || hotSpotX >= w)
hotSpotX = 0;
if (hotSpotY < 0 || hotSpotY >= h)
hotSpotY = 0;
- GdkBitmap *data = gdk_bitmap_create_from_data( wxGetRootWindow()->window, (gchar *) bits,
- w, h );
- GdkBitmap *mask = gdk_bitmap_create_from_data( wxGetRootWindow()->window, (gchar *) maskBits,
- w, h );
+ GdkBitmap *data = gdk_bitmap_create_from_data(wxGetRootWindow()->window,
+ (gchar *) bits, w, h);
+ GdkBitmap *mask = gdk_bitmap_create_from_data(wxGetRootWindow()->window,
+ (gchar *) maskBits, w, h);
m_refData = new wxCursorRefData;
- M_CURSORDATA->m_cursor = gdk_cursor_new_from_pixmap(
- data, mask, fg.GetColor(), bg.GetColor(),
- hotSpotX, hotSpotY );
+ M_CURSORDATA->m_cursor = gdk_cursor_new_from_pixmap
+ (
+ data,
+ mask,
+ fg.GetColor(), bg.GetColor(),
+ hotSpotX, hotSpotY
+ );
gdk_bitmap_unref( data );
gdk_bitmap_unref( mask );
- delete [] bits ;
+ delete [] bits;
delete [] maskBits;
}
-#endif
+
+#endif // wxUSE_IMAGE
wxCursor::~wxCursor()
{
wxSetCursor( wxCursor(wxCURSOR_WATCH) );
if (wxTheApp)
- wxTheApp->SendIdleEvents();
+ wxTheApp->ProcessIdle();
gdk_flush();
}
projects / wxWidgets.git / blobdiff