diff options
Diffstat (limited to 'src/Fl_Bitmap.cxx')
| -rw-r--r-- | src/Fl_Bitmap.cxx | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/src/Fl_Bitmap.cxx b/src/Fl_Bitmap.cxx index f6e008368..372578633 100644 --- a/src/Fl_Bitmap.cxx +++ b/src/Fl_Bitmap.cxx @@ -476,15 +476,15 @@ Fl_Image *Fl_Bitmap::copy(int W, int H) { // Scale the image using a nearest-neighbor algorithm... for (dy = H, sy = 0, yerr = H, new_ptr = new_array; dy > 0; dy --) { - for (dx = W, xerr = W, old_ptr = array + sy * (w() + 7) / 8, sx = 0, new_bit = 128; + for (dx = W, xerr = W, old_ptr = array + sy * ((w() + 7) / 8), sx = 0, new_bit = 1; dx > 0; dx --) { - old_bit = (uchar)(128 >> (sx & 7)); + old_bit = (uchar)(1 << (sx & 7)); if (old_ptr[sx / 8] & old_bit) *new_ptr |= new_bit; - if (new_bit > 1) new_bit >>= 1; + if (new_bit < 128) new_bit <<= 1; else { - new_bit = 128; + new_bit = 1; new_ptr ++; } @@ -497,7 +497,7 @@ Fl_Image *Fl_Bitmap::copy(int W, int H) { } } - if (new_bit < 128) new_ptr ++; + if (new_bit > 1) new_ptr ++; sy += ystep; yerr -= ymod; |