with these change does it work:
pixbuff_hist = Gdk::Pixbuf::create(COLORSPACE_RGB, false, 8, bit,
histogram_max); // initialize pixbuffer
guint8 *pixel2, *pixels2 = pixbuff_hist -> get_pixels(); //
point to pixel
data of pixbuffer
int channels2 = pixbuff_hist->get_n_channels();
int linelength2 = pixbuff_hist->get_rowstride();
for ( int i=0; i<bit; i++) // loop for writing into the pixbuffer
{
while (true)
{
for (int j=histogram_max-histogram[i];
j<=histogram_max; j++)
{
pixel2 = pixels2 + i*channels2 +j*linelength2;
pixel2[0] = 255;
pixel2[1] = 255;
pixel2[2] = 255;
break;
}
for ( int k=0; k<=histogram_max-histogram[i]+1; k++)
{
pixel2 = pixels2 + i*channels2 +k*linelength2;
pixel2[0] = 0;
pixel2[1] = 0;
pixel2[2] = 0;
break;
}
break;
}
}
But could somebody tell me, why it behaves that strange?
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