1 files changed, 162 insertions, 0 deletions
diff --git a/deco/config/aquariusbutton.cc b/deco/config/aquariusbutton.cc
new file mode 100644
index 0000000..6201abc
--- /dev/null
+++ b/deco/config/aquariusbutton.cc
@@ -0,0 +1,162 @@
+#include "aquariusbutton.h"
+#include <qcolor.h>
+#include <qpixmap.h>
+#include <qpainter.h>
+#include <kimageeffect.h>
+#include "config.h"
+
+
+#define COLOR_SPACE(R,G,B) \
+    if ( R < 0 ) R = 0; else if ( R > 255 ) R = 255; \
+    if ( G < 0 ) G = 0; else if ( G > 255 ) G = 255; \
+    if ( B < 0 ) B = 0; else if ( B > 255 ) B = 255;
+
+#define SATURATION_COLOR(R,G,B) \
+    grey = (299 * R + 587 * G + 114 * B) / 1000; \
+    delta = 255 - grey; \
+    grey = (grey *(10 - 5)) / 10; \
+    iGrey = 255 - grey;\
+    destR = (iGrey * (srcR - delta) + grey * R) / 255; \
+    destG = (iGrey * (srcG - delta) + grey * G) / 255; \
+    destB = (iGrey * (srcB - delta) + grey * B) / 255;
+    
+#define CLAMP(x,l,u) x < l ? l :\
+		     x > u ? u :\
+		     x
+
+#define SATURATION_COLOR2(S,R,G,B) \
+   int max = 255+0.65*(100-S); \
+   destR = CLAMP((srcR + R - 128), 0, max); \
+   destG = CLAMP((srcG + G - 128), 0, max); \
+   destB = CLAMP((srcB + B - 128), 0, max); \
+   destR = (S*destR + (100-S)*R)/100; \
+   destG = (S*destG + (100-S)*G)/100; \
+   destB = (S*destB + (100-S)*B)/100;
+   
+static bool blend( const QImage & upper, const QImage & lower, QImage & output)
+// adopted from kimageeffect::blend - what is not endian safe...
+{
+   if
+      (
+        upper.width()  > lower.width()  ||
+        upper.height() > lower.height() ||
+        upper.depth() != 32             ||
+        lower.depth() != 32
+      )
+      return false;
+   
+   output = lower.copy();
+   
+   register uchar *i, *o;
+   register int a;
+   register int col;
+   register int w = upper.width();
+   int row(upper.height() - 1);
+   
+   do
+   {
+      i = upper.scanLine(row);
+      o = output.scanLine(row);
+      
+      col = w << 2;
+      
+      --col;
+      
+      do 
+      {
+#ifdef WORDS_BIGENDIAN
+         while (!(a = i[col-3]) && (col != 3))
+#else
+            while (!(a = i[col]) && (col != 3))
+#endif
+            {
+               --col; --col; --col; --col;
+            }
+#ifndef WORDS_BIGENDIAN
+         --col;
+#endif
+         o[col] += ((i[col] - o[col]) * a) >> 8;
+         
+         --col;
+         o[col] += ((i[col] - o[col]) * a) >> 8;
+         
+         --col;
+         o[col] += ((i[col] - o[col]) * a) >> 8;
+         
+#ifdef WORDS_BIGENDIAN
+         --col;
+#endif
+         
+      } while (col--);
+   } while (row--);
+   return true;
+}
+
+AquariusButton::AquariusButton( QPixmap &pixmap, QWidget* parent, const char* name) : QWidget( parent, name){
+    pixmap = pixmap;
+    image = pixmap.convertToImage();
+    setFixedSize( pixmap.size() );
+}
+
+AquariusButton::~AquariusButton(){
+}
+
+QColor AquariusButton::Color(){
+    return color;
+}
+
+void AquariusButton::setColor(QColor c){
+    color = c;
+    tint(color);
+    repaint(false);
+}
+
+void AquariusButton::tint(QColor &c){
+    QImage dest( image.width(), image.height(), 32, 0 );
+    dest.setAlphaBuffer( true );
+    unsigned int *data = ( unsigned int * ) image.bits();
+    unsigned int *destData = ( unsigned int* ) dest.bits();
+    int total = image.width() * image.height();
+    int red, green, blue;
+    int destR, destG, destB, alpha;
+    int srcR = c.red();
+    int srcG = c.green();
+    int srcB = c.blue();
+    int hue, s, v;
+    c.getHsv( &hue, &s, &v );
+    int sq = CLAMP((int)((45.0/128.0)*s+55),0,100);
+    // float srcPercent, destPercent;
+    for ( int current = 0 ; current < total ; ++current ) {
+        alpha = qAlpha( data[ current ] );
+	if (alpha < 230){
+		destData[ current ] =  data[ current ];
+		continue; //do not handle translucent parts to not affect blending
+	}
+    	red = qRed( data[ current ] );
+    	green = qGreen( data[ current ] );
+        blue = qBlue( data[ current ] );
+	SATURATION_COLOR2(sq, red, green, blue);
+	// force back to valid colorspace !
+	COLOR_SPACE(destR, destG, destB);
+	destData[ current ] = qRgba( destR, destG, destB, alpha );
+    }
+    QPixmap backPix = QPixmap(dest.size());
+    QPainter tmpPainter(&backPix);
+    tmpPainter.fillRect(0, 0, dest.width(),dest.height(), backgroundBrush());
+    tmpPainter.end();
+    QImage back = backPix.convertToImage();
+    blend(dest,back,back);
+    pixmap = QPixmap(back);
+}
+
+void AquariusButton::mousePressEvent( QMouseEvent *e ){
+    emit clicked();
+}
+
+void AquariusButton::paintEvent( QPaintEvent *e){
+    QPainter tmpPainter(this);
+    tmpPainter.drawPixmap(0,0, pixmap);
+}
+
+// void AquariusButton::clicked(){
+// }