diff options
Diffstat (limited to 'deco/config/aquariusbutton.cpp')
-rw-r--r-- | deco/config/aquariusbutton.cpp | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/deco/config/aquariusbutton.cpp b/deco/config/aquariusbutton.cpp new file mode 100644 index 0000000..9cf1b0e --- /dev/null +++ b/deco/config/aquariusbutton.cpp @@ -0,0 +1,166 @@ +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "aquariusbutton.h" +#include <tqcolor.h> +#include <tqpixmap.h> +#include <tqpainter.h> +#include <kimageeffect.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 TQImage & upper, const TQImage & lower, TQImage & 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(); + + uchar *i, *o; + int a; + int col; + 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( TQPixmap &pixmap, TQWidget* parent, const char* name) : TQWidget( parent, name){ + pixmap = pixmap; + image = pixmap.convertToImage(); + setFixedSize( pixmap.size() ); +} + +AquariusButton::~AquariusButton(){ +} + +TQColor AquariusButton::Color(){ + return color; +} + +void AquariusButton::setColor(TQColor c){ + color = c; + tint(color); + repaint(false); +} + +void AquariusButton::tint(TQColor &c){ + TQImage 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 = tqAlpha( data[ current ] ); + if (alpha < 230){ + destData[ current ] = data[ current ]; + continue; //do not handle translucent parts to not affect blending + } + red = tqRed( data[ current ] ); + green = tqGreen( data[ current ] ); + blue = tqBlue( data[ current ] ); + SATURATION_COLOR2(sq, red, green, blue); + // force back to valid colorspace ! + COLOR_SPACE(destR, destG, destB); + destData[ current ] = tqRgba( destR, destG, destB, alpha ); + } + TQPixmap backPix = TQPixmap(dest.size()); + TQPainter tmpPainter(&backPix); + tmpPainter.fillRect(0, 0, dest.width(),dest.height(), backgroundBrush()); + tmpPainter.end(); + TQImage back = backPix.convertToImage(); + blend(dest,back,back); + pixmap = TQPixmap(back); +} + +void AquariusButton::mousePressEvent( TQMouseEvent *e ){ + emit clicked(); +} + +void AquariusButton::paintEvent( TQPaintEvent *e){ + TQPainter tmpPainter(this); + tmpPainter.drawPixmap(0,0, pixmap); +} + +// void AquariusButton::clicked(){ +// } + +#include "aquariusbutton.moc" |