GdkCursorType gdk_cur = GDK_LEFT_PTR;
switch (cursorId)
{
+ case wxCURSOR_ARROW: // fall through to default
case wxCURSOR_DEFAULT: gdk_cur = GDK_LEFT_PTR; break;
+ case wxCURSOR_RIGHT_ARROW: gdk_cur = GDK_RIGHT_PTR; break;
case wxCURSOR_HAND: gdk_cur = GDK_HAND1; break;
case wxCURSOR_CROSS: gdk_cur = GDK_CROSSHAIR; break;
case wxCURSOR_SIZEWE: gdk_cur = GDK_SB_H_DOUBLE_ARROW; break;
default:
wxFAIL_MSG(wxT("unsupported cursor type"));
// will use the standard one
-
- case wxCURSOR_ARROW:
break;
}
}
#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 ??
+ maskBits[i] = 0xFF;
+
+ // init it to avoid compiler warnings
+ keyMaskColor = 0;
+ }
+
+ // 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();
- wxHashTable hTable;
+ wxImageHistogram histogram;
- //colors as rrggbb
+ // colors as rrggbb
unsigned long key;
- unsigned long keyMaskColor = 0;
- if (bHasMask) keyMaskColor = (r << 16) | (g << 8) | b;
+ unsigned long value;
+
+ tmpImage.ComputeHistogram(histogram);
- tmpImage.ComputeHistogram( hTable );
+ long MostFreqCol = 0;
+ unsigned long nMost = 0;
+ long NextFreqCol = 0;
+ unsigned long nNext = 0;
+ wxImageHistogram::iterator entry = histogram.begin();
- long MostFreqCol = 0 ; long nMost = 0;
- long NextFreqCol = 0 ; long nNext = 0;
- long value ;
- hTable.BeginFind();
- wxNode *node = NULL;
- while ((node = hTable.Next()) != NULL)
+ while ( entry != histogram.end() )
{
- wxHNode *hnode = (wxHNode*) node->GetData();
- value = hnode->value;
- key = node->GetKeyInteger() ;
- if (!bHasMask || (key != keyMaskColor) )
+ value = entry->second.value;
+ key = entry->first;
+ if ( !bHasMask || (key != keyMaskColor) )
{
- if (value > nMost)
+ if (value > nMost)
{
- nMost = value;
- MostFreqCol = key;
+ nMost = value;
+ MostFreqCol = key;
}
- else
- if (value > nNext)
+ else if (value > nNext)
{
- nNext = value ;
- NextFreqCol = key;
+ nNext = value;
+ NextFreqCol = key;
}
}
}
-
wxColour fg = wxColour ( (unsigned char)(MostFreqCol >> 16),
(unsigned char)(MostFreqCol >> 8),
- (unsigned char)(MostFreqCol) ) ;
+ (unsigned char)(MostFreqCol) );
wxColour bg = wxColour ( (unsigned char)(NextFreqCol >> 16),
(unsigned char)(NextFreqCol >> 8),
- (unsigned char)(NextFreqCol) ) ;
-
+ (unsigned char)(NextFreqCol) );
-
- int hotSpotX=0;
+ int hotSpotX=0;
int hotSpotY=0;
if (image.HasOption(wxCUR_HOTSPOT_X))
- hotSpotX = image.GetOptionInt(wxCUR_HOTSPOT_X);
+ hotSpotX = image.GetOptionInt(wxCUR_HOTSPOT_X);
if (image.HasOption(wxCUR_HOTSPOT_Y))
- hotSpotY = image.GetOptionInt(wxCUR_HOTSPOT_Y);
-
+ hotSpotY = image.GetOptionInt(wxCUR_HOTSPOT_Y);
+
if (hotSpotX < 0 || hotSpotX >= w)
- hotSpotX = 0;
+ hotSpotX = 0;
if (hotSpotY < 0 || hotSpotY >= h)
- hotSpotY = 0;
+ hotSpotY = 0;
GdkBitmap *data = gdk_bitmap_create_from_data( wxGetRootWindow()->window, (gchar *) bits,
w, h );
gdk_bitmap_unref( data );
gdk_bitmap_unref( mask );
- delete [] bits ;
+ delete [] bits;
delete [] maskBits;
-
}
-#endif
+
+#endif // wxUSE_IMAGE
wxCursor::~wxCursor()
{
if (wxTheApp)
wxTheApp->SendIdleEvents();
-
+
gdk_flush();
}
projects / wxWidgets.git / blobdiff