| 70 | } |
| 71 | |
| 72 | bool Mask::isRectangular() const |
| 73 | { |
| 74 | if (!m_bitmap) |
| 75 | return false; |
| 76 | |
| 77 | LockImageBits<BitmapTraits> bits(m_bitmap.get()); |
| 78 | LockImageBits<BitmapTraits>::iterator it = bits.begin(), end = bits.end(); |
| 79 | |
| 80 | for (; it != end; ++it) { |
| 81 | if (*it == 0) |
| 82 | return false; |
| 83 | } |
| 84 | |
| 85 | return true; |
| 86 | } |
| 87 | |
| 88 | void Mask::copyFrom(const Mask* sourceMask) |
| 89 | { |