remove unnecessary usage of and thus the dependency on libstdc++

1 files changed, 25 insertions, 51 deletions

diff --git a/libopie2/opieui/oimageeffect.cpp b/libopie2/opieui/oimageeffect.cpp
index 3c28bbe..2855da6 100644
--- a/libopie2/opieui/oimageeffect.cpp
+++ b/libopie2/opieui/oimageeffect.cpp
@@ -35,67 +35,65 @@ THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #include <stdlib.h>
 #include <iostream>
 
 #include "oimageeffect.h"
 
 #define MaxRGB 255L
 #define DegreesToRadians(x) ((x)*M_PI/180.0)
 
 using namespace std;
 
 inline unsigned int intensityValue(unsigned int color)
 {
     return((unsigned int)((0.299*qRed(color) +
                            0.587*qGreen(color) +
                            0.1140000000000001*qBlue(color))));
 }
 
 //======================================================================
 //
 // Gradient effects
 //
 //======================================================================
 
 QImage OImageEffect::gradient(const QSize &size, const QColor &ca,
 	const QColor &cb, GradientType eff, int ncols)
 {
     int rDiff, gDiff, bDiff;
     int rca, gca, bca, rcb, gcb, bcb;
 
     QImage image(size, 32);
 
     if (size.width() == 0 || size.height() == 0) {
-#ifndef NDEBUG
-      cerr << "WARNING: OImageEffect::gradient: invalid image" << endl;
-#endif
+      qDebug( "WARNING: OImageEffect::gradient: invalid image" );
       return image;
     }
 
     register int x, y;
 
     rDiff = (rcb = cb.red())   - (rca = ca.red());
     gDiff = (gcb = cb.green()) - (gca = ca.green());
     bDiff = (bcb = cb.blue())  - (bca = ca.blue());
 
     if( eff == VerticalGradient || eff == HorizontalGradient ){
 
         uint *p;
         uint rgb;
 
         register int rl = rca << 16;
         register int gl = gca << 16;
         register int bl = bca << 16;
 
         if( eff == VerticalGradient ) {
 
             int rcdelta = ((1<<16) / size.height()) * rDiff;
             int gcdelta = ((1<<16) / size.height()) * gDiff;
             int bcdelta = ((1<<16) / size.height()) * bDiff;
 
             for ( y = 0; y < size.height(); y++ ) {
                 p = (uint *) image.scanLine(y);
 
                 rl += rcdelta;
                 gl += gcdelta;
                 bl += bcdelta;
 
                 rgb = qRgb( (rl>>16), (gl>>16), (bl>>16) );
@@ -323,67 +321,65 @@ QImage OImageEffect::unbalancedGradient(const QSize &size, const QColor &ca,
 	const QColor &cb, GradientType eff, int xfactor, int yfactor,
 	int ncols)
 {
     int dir; // general parameter used for direction switches
 
     bool _xanti = false , _yanti = false;
 
     if (xfactor < 0) _xanti = true; // negative on X direction
     if (yfactor < 0) _yanti = true; // negative on Y direction
 
     xfactor = abs(xfactor);
     yfactor = abs(yfactor);
 
     if (!xfactor) xfactor = 1;
     if (!yfactor) yfactor = 1;
 
     if (xfactor > 200 ) xfactor = 200;
     if (yfactor > 200 ) yfactor = 200;
 
 
     //    float xbal = xfactor/5000.;
     //    float ybal = yfactor/5000.;
     float xbal = xfactor/30./size.width();
     float ybal = yfactor/30./size.height();
     float rat;
 
     int rDiff, gDiff, bDiff;
     int rca, gca, bca, rcb, gcb, bcb;
 
     QImage image(size, 32);
 
     if (size.width() == 0 || size.height() == 0) {
-#ifndef NDEBUG
-      cerr << "WARNING: OImageEffect::unbalancedGradient : invalid image\n";
-#endif
+      qDebug( "WARNING: OImageEffect::unbalancedGradient : invalid image" );
       return image;
     }
 
     register int x, y;
     unsigned int *scanline;
 
     rDiff = (rcb = cb.red())   - (rca = ca.red());
     gDiff = (gcb = cb.green()) - (gca = ca.green());
     bDiff = (bcb = cb.blue())  - (bca = ca.blue());
 
     if( eff == VerticalGradient || eff == HorizontalGradient){
         QColor cRow;
 
         uint *p;
         uint rgbRow;
 
 	if( eff == VerticalGradient) {
 	  for ( y = 0; y < size.height(); y++ ) {
 	    dir = _yanti ? y : size.height() - 1 - y;
             p = (uint *) image.scanLine(dir);
             rat =  1 - exp( - (float)y  * ybal );
 
             cRow.setRgb( rcb - (int) ( rDiff * rat ),
                          gcb - (int) ( gDiff * rat ),
                          bcb - (int) ( bDiff * rat ) );
 
             rgbRow = cRow.rgb();
 
             for( x = 0; x < size.width(); x++ ) {
 	      *p = rgbRow;
 	      p++;
             }
@@ -544,134 +540,130 @@ QImage OImageEffect::unbalancedGradient(const QSize &size, const QColor &ca,
       }
 
       delete [] xtable[0];
       delete [] xtable[1];
       delete [] xtable[2];
       delete [] ytable[0];
       delete [] ytable[1];
       delete [] ytable[2];
 
     }
 
     return image;
 }
 
 
 //======================================================================
 //
 // Intensity effects
 //
 //======================================================================
 
 
 /* This builds a 256 byte unsigned char lookup table with all
  * the possible percent values prior to applying the effect, then uses
  * integer math for the pixels. For any image larger than 9x9 this will be
  * less expensive than doing a float operation on the 3 color components of
  * each pixel. (mosfet)
  */
 
 QImage& OImageEffect::intensity(QImage &image, float percent)
 {
     if (image.width() == 0 || image.height() == 0) {
-#ifndef NDEBUG
-      cerr << "WARNING: OImageEffect::intensity : invalid image\n";
-#endif
+      qDebug( "WARNING: OImageEffect::intensity : invalid image" );
       return image;
     }
 
     int segColors = image.depth() > 8 ? 256 : image.numColors();
     unsigned char *segTbl = new unsigned char[segColors];
     int pixels = image.depth() > 8 ? image.width()*image.height() :
         image.numColors();
     unsigned int *data = image.depth() > 8 ? (unsigned int *)image.bits() :
         (unsigned int *)image.colorTable();
 
     bool brighten = (percent >= 0);
     if(percent < 0)
         percent = -percent;
 
     if(brighten){ // keep overflow check out of loops
         for(int i=0; i < segColors; ++i){
             int tmp = (int)(i*percent);
             if(tmp > 255)
                 tmp = 255;
             segTbl[i] = tmp;
         }
     }
     else{
         for(int i=0; i < segColors; ++i){
             int tmp = (int)(i*percent);
             if(tmp < 0)
                 tmp = 0;
             segTbl[i] = tmp;
         }
     }
 
     if(brighten){ // same here
         for(int i=0; i < pixels; ++i){
             int r = qRed(data[i]);
             int g = qGreen(data[i]);
             int b = qBlue(data[i]);
             int a = qAlpha(data[i]);
             r = r + segTbl[r] > 255 ? 255 : r + segTbl[r];
             g = g + segTbl[g] > 255 ? 255 : g + segTbl[g];
             b = b + segTbl[b] > 255 ? 255 : b + segTbl[b];
             data[i] = qRgba(r, g, b,a);
         }
     }
     else{
         for(int i=0; i < pixels; ++i){
             int r = qRed(data[i]);
             int g = qGreen(data[i]);
             int b = qBlue(data[i]);
             int a = qAlpha(data[i]);
             r = r - segTbl[r] < 0 ? 0 : r - segTbl[r];
             g = g - segTbl[g] < 0 ? 0 : g - segTbl[g];
             b = b - segTbl[b] < 0 ? 0 : b - segTbl[b];
             data[i] = qRgba(r, g, b, a);
         }
     }
     delete [] segTbl;
 
     return image;
 }
 
 QImage& OImageEffect::channelIntensity(QImage &image, float percent,
                                        RGBComponent channel)
 {
     if (image.width() == 0 || image.height() == 0) {
-#ifndef NDEBUG
-      cerr << "WARNING: OImageEffect::channelIntensity : invalid image\n";
-#endif
+      qDebug( "WARNING: OImageEffect::channelIntensity : invalid image" );
       return image;
     }
 
     int segColors = image.depth() > 8 ? 256 : image.numColors();
     unsigned char *segTbl = new unsigned char[segColors];
     int pixels = image.depth() > 8 ? image.width()*image.height() :
         image.numColors();
     unsigned int *data = image.depth() > 8 ? (unsigned int *)image.bits() :
         (unsigned int *)image.colorTable();
     bool brighten = (percent >= 0);
     if(percent < 0)
         percent = -percent;
 
     if(brighten){ // keep overflow check out of loops
         for(int i=0; i < segColors; ++i){
             int tmp = (int)(i*percent);
             if(tmp > 255)
                 tmp = 255;
             segTbl[i] = tmp;
         }
     }
     else{
         for(int i=0; i < segColors; ++i){
             int tmp = (int)(i*percent);
             if(tmp < 0)
                 tmp = 0;
             segTbl[i] = tmp;
         }
     }
 
     if(brighten){ // same here
         if(channel == Red){ // and here ;-)
@@ -703,68 +695,66 @@ QImage& OImageEffect::channelIntensity(QImage &image, float percent,
                 int c = qRed(data[i]);
                 c = c - segTbl[c] < 0 ? 0 : c - segTbl[c];
                 data[i] = qRgba(c, qGreen(data[i]), qBlue(data[i]), qAlpha(data[i]));
             }
         }
         if(channel == Green){
             for(int i=0; i < pixels; ++i){
                 int c = qGreen(data[i]);
                 c = c - segTbl[c] < 0 ? 0 : c - segTbl[c];
                 data[i] = qRgba(qRed(data[i]), c, qBlue(data[i]), qAlpha(data[i]));
             }
         }
         else{
             for(int i=0; i < pixels; ++i){
                 int c = qBlue(data[i]);
                 c = c - segTbl[c] < 0 ? 0 : c - segTbl[c];
                 data[i] = qRgba(qRed(data[i]), qGreen(data[i]), c, qAlpha(data[i]));
             }
         }
     }
     delete [] segTbl;
 
     return image;
 }
 
 // Modulate an image with an RBG channel of another image
 //
 QImage& OImageEffect::modulate(QImage &image, QImage &modImage, bool reverse,
 	ModulationType type, int factor, RGBComponent channel)
 {
     if (image.width() == 0 || image.height() == 0 ||
         modImage.width() == 0 || modImage.height() == 0) {
-#ifndef NDEBUG
-      cerr << "WARNING: OImageEffect::modulate : invalid image\n";
-#endif
-      return image;
+          qDebug( "WARNING: OImageEffect::modulate : invalid image" );
+          return image;
     }
 
     int r, g, b, h, s, v, a;
     QColor clr;
     int mod=0;
     unsigned int x1, x2, y1, y2;
     register int x, y;
 
     // for image, we handle only depth 32
     if (image.depth()<32) image = image.convertDepth(32);
 
     // for modImage, we handle depth 8 and 32
     if (modImage.depth()<8) modImage = modImage.convertDepth(8);
 
     unsigned int *colorTable2 = (modImage.depth()==8) ?
 				 modImage.colorTable():0;
     unsigned int *data1, *data2;
     unsigned char *data2b;
     unsigned int color1, color2;
 
     x1 = image.width();    y1 = image.height();
     x2 = modImage.width(); y2 = modImage.height();
 
     for (y = 0; y < (int)y1; y++) {
         data1 =  (unsigned int *) image.scanLine(y);
 	data2 =  (unsigned int *) modImage.scanLine( y%y2 );
 	data2b = (unsigned char *) modImage.scanLine( y%y2 );
 
 	x=0;
 	while(x < (int)x1) {
 	  color2 = (colorTable2) ? colorTable2[*data2b] : *data2;
 	  if (reverse) {
@@ -831,165 +821,157 @@ QImage& OImageEffect::modulate(QImage &image, QImage &modImage, bool reverse,
 		  if (s<0) s=0; if (s>255) s=255;
 	      }
 	      else { // HueShift
 	        h += mod;
 		while(h<0) h+=360;
 		h %= 360;
 	      }
 
 	      clr.setHsv(h, s, v);
 	      a = qAlpha(*data1);
 	      *data1 = clr.rgb() | ((uint)(a & 0xff) << 24);
 	  }
 	  data1++; data2++; data2b++; x++;
 	  if ( (x%x2) ==0) { data2 -= x2; data2b -= x2; }
         }
     }
     return image;
 }
 
 
 
 //======================================================================
 //
 // Blend effects
 //
 //======================================================================
 
 
 // Nice and fast direct pixel manipulation
 QImage& OImageEffect::blend(const QColor& clr, QImage& dst, float opacity)
 {
     if (dst.width() <= 0 || dst.height() <= 0)
-	return dst;
+        return dst;
 
     if (opacity < 0.0 || opacity > 1.0) {
-#ifndef NDEBUG
-	cerr << "WARNING: OImageEffect::blend : invalid opacity. Range [0, 1]\n";
-#endif
-	return dst;
+        qDebug( "WARNING: OImageEffect::blend : invalid opacity. Range [0, 1] ");
+        return dst;
     }
 
     int depth = dst.depth();
     if (depth != 32)
-	dst = dst.convertDepth(32);
+        dst = dst.convertDepth(32);
 
     int pixels = dst.width() * dst.height();
     int rcol, gcol, bcol;
     clr.rgb(&rcol, &gcol, &bcol);
 
 #ifdef WORDS_BIGENDIAN   // ARGB (skip alpha)
     register unsigned char *data = (unsigned char *)dst.bits() + 1;
 #else                    // BGRA
     register unsigned char *data = (unsigned char *)dst.bits();
 #endif
 
     for (register int i=0; i<pixels; i++)
     {
 #ifdef WORDS_BIGENDIAN
 	*(data++) += (unsigned char)((rcol - *data) * opacity);
 	*(data++) += (unsigned char)((gcol - *data) * opacity);
 	*(data++) += (unsigned char)((bcol - *data) * opacity);
 #else
 	*(data++) += (unsigned char)((bcol - *data) * opacity);
 	*(data++) += (unsigned char)((gcol - *data) * opacity);
 	*(data++) += (unsigned char)((rcol - *data) * opacity);
 #endif
 	data++; // skip alpha
     }
     return dst;
 }
 
 // Nice and fast direct pixel manipulation
 QImage& OImageEffect::blend(QImage& src, QImage& dst, float opacity)
 {
     if (src.width() <= 0 || src.height() <= 0)
-	return dst;
+        return dst;
     if (dst.width() <= 0 || dst.height() <= 0)
-	return dst;
+        return dst;
 
     if (src.width() != dst.width() || src.height() != dst.height()) {
-#ifndef NDEBUG
-	cerr << "WARNING: OImageEffect::blend : src and destination images are not the same size\n";
-#endif
-	return dst;
+        qDebug( "WARNING: OImageEffect::blend : src and destination images are not the same size" );
+        return dst;
     }
 
     if (opacity < 0.0 || opacity > 1.0) {
-#ifndef NDEBUG
-	cerr << "WARNING: OImageEffect::blend : invalid opacity. Range [0, 1]\n";
-#endif
-	return dst;
+        qDebug( "WARNING: OImageEffect::blend : invalid opacity. Range [0, 1]" );
+        return dst;
     }
 
     if (src.depth() != 32) src = src.convertDepth(32);
     if (dst.depth() != 32) dst = dst.convertDepth(32);
 
     int pixels = src.width() * src.height();
 #ifdef WORDS_BIGENDIAN   // ARGB (skip alpha)
     register unsigned char *data1 = (unsigned char *)dst.bits() + 1;
     register unsigned char *data2 = (unsigned char *)src.bits() + 1;
 #else                    // BGRA
     register unsigned char *data1 = (unsigned char *)dst.bits();
     register unsigned char *data2 = (unsigned char *)src.bits();
 #endif
 
     for (register int i=0; i<pixels; i++)
     {
 #ifdef WORDS_BIGENDIAN
 	*(data1++) += (unsigned char)((*(data2++) - *data1) * opacity);
 	*(data1++) += (unsigned char)((*(data2++) - *data1) * opacity);
 	*(data1++) += (unsigned char)((*(data2++) - *data1) * opacity);
 #else
 	*(data1++) += (unsigned char)((*(data2++) - *data1) * opacity);
 	*(data1++) += (unsigned char)((*(data2++) - *data1) * opacity);
 	*(data1++) += (unsigned char)((*(data2++) - *data1) * opacity);
 #endif
 	data1++; // skip alpha
 	data2++;
     }
 
     return dst;
 }
 
 
 QImage& OImageEffect::blend(QImage &image, float initial_intensity,
                             const QColor &bgnd, GradientType eff,
                             bool anti_dir)
 {
     if (image.width() == 0 || image.height() == 0 || image.depth()!=32 ) {
-#ifndef NDEBUG
-      cerr << "WARNING: OImageEffect::blend : invalid image\n";
-#endif
-      return image;
+        qDebug( "WARNING: OImageEffect::blend : invalid image" );
+        return image;
     }
 
     int r_bgnd = bgnd.red(), g_bgnd = bgnd.green(), b_bgnd = bgnd.blue();
     int r, g, b;
     int ind;
 
     unsigned int xi, xf, yi, yf;
     unsigned int a;
 
     // check the boundaries of the initial intesity param
     float unaffected = 1;
     if (initial_intensity >  1) initial_intensity =  1;
     if (initial_intensity < -1) initial_intensity = -1;
     if (initial_intensity < 0) {
         unaffected = 1. + initial_intensity;
         initial_intensity = 0;
     }
 
 
     float intensity = initial_intensity;
     float var = 1. - initial_intensity;
 
     if (anti_dir) {
         initial_intensity = intensity = 1.;
         var = -var;
     }
 
     register int x, y;
 
     unsigned int *data =  (unsigned int *)image.bits();
 
     int image_width = image.width(); //Those can't change
@@ -1123,100 +1105,96 @@ QImage& OImageEffect::blend(QImage &image, float initial_intensity,
                 if (intensity < 0) intensity = 0;
 
                 //SW
                 ind = x + image_width  * (image_height - y -1) ;
                 r = qRed  (data[ind]) + (int)(intensity *
                                               (r_bgnd - qRed  (data[ind])));
                 g = qGreen(data[ind]) + (int)(intensity *
                                               (g_bgnd - qGreen(data[ind])));
                 b = qBlue (data[ind]) + (int)(intensity *
                                               (b_bgnd - qBlue (data[ind])));
                 if (r > 255) r = 255; if (r < 0 ) r = 0;
                 if (g > 255) g = 255; if (g < 0 ) g = 0;
                 if (b > 255) b = 255; if (b < 0 ) b = 0;
                 a = qAlpha(data[ind]);
                 data[ind] = qRgba(r, g, b, a);
 
                 //SE
                 ind = image_width-x-1 + image_width * (image_height - y - 1) ;
                 r = qRed  (data[ind]) + (int)(intensity *
                                               (r_bgnd - qRed  (data[ind])));
                 g = qGreen(data[ind]) + (int)(intensity *
                                               (g_bgnd - qGreen(data[ind])));
                 b = qBlue (data[ind]) + (int)(intensity *
                                               (b_bgnd - qBlue (data[ind])));
                 if (r > 255) r = 255; if (r < 0 ) r = 0;
                 if (g > 255) g = 255; if (g < 0 ) g = 0;
                 if (b > 255) b = 255; if (b < 0 ) b = 0;
                 a = qAlpha(data[ind]);
                 data[ind] = qRgba(r, g, b, a);
             }
         }
     }
-#ifndef NDEBUG
-    else cerr << "OImageEffect::blend effect not implemented" << endl;
-#endif
+    else qDebug( "OImageEffect::blend effect not implemented" );
     return image;
 }
 
 // Not very efficient as we create a third big image...
 //
 QImage& OImageEffect::blend(QImage &image1, QImage &image2,
 			    GradientType gt, int xf, int yf)
 {
   if (image1.width() == 0 || image1.height() == 0 ||
       image2.width() == 0 || image2.height() == 0)
     return image1;
 
   QImage image3;
 
   image3 = OImageEffect::unbalancedGradient(image1.size(),
 				    QColor(0,0,0), QColor(255,255,255),
 				    gt, xf, yf, 0);
 
   return blend(image1,image2,image3, Red); // Channel to use is arbitrary
 }
 
 // Blend image2 into image1, using an RBG channel of blendImage
 //
 QImage& OImageEffect::blend(QImage &image1, QImage &image2,
 			    QImage &blendImage, RGBComponent channel)
 {
     if (image1.width() == 0 || image1.height() == 0 ||
         image2.width() == 0 || image2.height() == 0 ||
         blendImage.width() == 0 || blendImage.height() == 0) {
-#ifndef NDEBUG
-      cerr << "OImageEffect::blend effect invalid image" << endl;
-#endif
-      return image1;
+            qDebug( "OImageEffect::blend effect invalid image" );
+            return image1;
     }
 
     int r, g, b;
     int ind1, ind2, ind3;
 
     unsigned int x1, x2, x3, y1, y2, y3;
     unsigned int a;
 
     register int x, y;
 
     // for image1 and image2, we only handle depth 32
     if (image1.depth()<32) image1 = image1.convertDepth(32);
     if (image2.depth()<32) image2 = image2.convertDepth(32);
 
     // for blendImage, we handle depth 8 and 32
     if (blendImage.depth()<8) blendImage = blendImage.convertDepth(8);
 
     unsigned int *colorTable3 = (blendImage.depth()==8) ?
 				 blendImage.colorTable():0;
 
     unsigned int *data1 =  (unsigned int *)image1.bits();
     unsigned int *data2 =  (unsigned int *)image2.bits();
     unsigned int *data3   =  (unsigned int *)blendImage.bits();
     unsigned char *data3b =  (unsigned char *)blendImage.bits();
     unsigned int color3;
 
     x1 = image1.width();     y1 = image1.height();
     x2 = image2.width();     y2 = image2.height();
     x3 = blendImage.width(); y3 = blendImage.height();
 
     for (y = 0; y < (int)y1; y++) {
 	ind1 = x1*y;
@@ -1255,68 +1233,66 @@ QImage& OImageEffect::blend(QImage &image1, QImage &image2,
 
 unsigned int OImageEffect::lHash(unsigned int c)
 {
     unsigned char r = qRed(c), g = qGreen(c), b = qBlue(c), a = qAlpha(c);
     unsigned char nr, ng, nb;
     nr =(r >> 1) + (r >> 2); nr = nr > r ? 0 : nr;
     ng =(g >> 1) + (g >> 2); ng = ng > g ? 0 : ng;
     nb =(b >> 1) + (b >> 2); nb = nb > b ? 0 : nb;
 
     return qRgba(nr, ng, nb, a);
 }
 
 
 // -----------------------------------------------------------------------------
 
 unsigned int OImageEffect::uHash(unsigned int c)
 {
     unsigned char r = qRed(c), g = qGreen(c), b = qBlue(c), a = qAlpha(c);
     unsigned char nr, ng, nb;
     nr = r + (r >> 3); nr = nr < r ? ~0 : nr;
     ng = g + (g >> 3); ng = ng < g ? ~0 : ng;
     nb = b + (b >> 3); nb = nb < b ? ~0 : nb;
 
     return qRgba(nr, ng, nb, a);
 }
 
 
 // -----------------------------------------------------------------------------
 
 QImage& OImageEffect::hash(QImage &image, Lighting lite, unsigned int spacing)
 {
     if (image.width() == 0 || image.height() == 0) {
-#ifndef NDEBUG
-      cerr << "OImageEffect::hash effect invalid image" << endl;
-#endif
-      return image;
+        qDebug( "OImageEffect::hash effect invalid image" );
+        return image;
     }
 
     register int x, y;
     unsigned int *data =  (unsigned int *)image.bits();
     unsigned int ind;
 
     //CT no need to do it if not enough space
     if ((lite == NorthLite ||
          lite == SouthLite)&&
         (unsigned)image.height() < 2+spacing) return image;
     if ((lite == EastLite ||
          lite == WestLite)&&
         (unsigned)image.height() < 2+spacing) return image;
 
     if (lite == NorthLite || lite == SouthLite) {
         for (y = 0 ; y < image.height(); y = y + 2 + spacing) {
             for (x = 0; x < image.width(); x++) {
                 ind = x + image.width() * y;
                 data[ind] = lite==NorthLite?uHash(data[ind]):lHash(data[ind]);
 
                 ind = ind + image.width();
                 data[ind] = lite==NorthLite?lHash(data[ind]):uHash(data[ind]);
             }
         }
     }
 
     else if (lite == EastLite || lite == WestLite) {
         for (y = 0 ; y < image.height(); y++) {
             for (x = 0; x < image.width(); x = x + 2 + spacing) {
                 ind = x + image.width() * y;
                 data[ind] = lite==EastLite?uHash(data[ind]):lHash(data[ind]);
 
@@ -1765,68 +1741,66 @@ int OImageEffect::nearestColor( int r, int g, int b, const QColor *palette, int
 
     for (int i = 1; i < size; i++ )
     {
         dr = palette[i].red() - r;
         dg = palette[i].green() - g;
         db = palette[i].blue() - b;
 
         int dist = dr*dr + dg*dg + db*db;
 
         if ( dist < minDist )
         {
             minDist = dist;
             nearest = i;
         }
     }
 
     return nearest;
 }
 
 bool OImageEffect::blend(
     const QImage & upper,
     const QImage & lower,
     QImage & output
 )
 {
   if (
       upper.width()  > lower.width()  ||
       upper.height() > lower.height() ||
       upper.depth() != 32             ||
       lower.depth() != 32
   )
   {
-#ifndef NDEBUG
-    cerr << "OImageEffect::blend : Sizes not correct\n" ;
-#endif
-    return false;
+      qDebug( "OImageEffect::blend : Sizes not correct" );
+      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 {
 
       while (!(a = i[col]) && (col != 3)) {
         --col; --col; --col; --col;
       }
 
       --col;
       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;