(image, dw, dh)
| 32 | |
| 33 | |
| 34 | def resize9patch(image, dw, dh): |
| 35 | sw = image.width() |
| 36 | sh = image.height() |
| 37 | if sw > 2 and sh > 2 and dw > 0 and dh > 0: |
| 38 | pixmap = QPixmap(dw, dh) |
| 39 | pixmap.fill(Qt.transparent) |
| 40 | pr = QPainter(pixmap) |
| 41 | pr.setRenderHint(QPainter.Antialiasing) |
| 42 | pr.setRenderHint(QPainter.SmoothPixmapTransform) |
| 43 | |
| 44 | horz = [] |
| 45 | vert = [] |
| 46 | horz_stretch = 0 |
| 47 | vert_stretch = 0 |
| 48 | |
| 49 | pos = 0 |
| 50 | last = image.pixel(1, 0) |
| 51 | for x in range(1, sw - 1): |
| 52 | nextP = image.pixel(x + 1, 0) |
| 53 | if isStretchableMarker(last) != isStretchableMarker(nextP) or x == sw - 2: |
| 54 | stretchable = isStretchableMarker(last) |
| 55 | length = x - pos |
| 56 | horz.append(Part(pos, length, stretchable)) |
| 57 | if stretchable: |
| 58 | horz_stretch += length |
| 59 | last = nextP |
| 60 | pos = x |
| 61 | pos = 0 |
| 62 | last = image.pixel(0, 1) |
| 63 | for y in range(1, sh - 1): |
| 64 | nextP = image.pixel(0, y + 1) |
| 65 | if isStretchableMarker(last) != isStretchableMarker(nextP) or y == sh - 2: |
| 66 | stretchable = isStretchableMarker(last) |
| 67 | length = y - pos |
| 68 | vert.append(Part(pos, length, stretchable)) |
| 69 | if stretchable: |
| 70 | vert_stretch += length |
| 71 | last = nextP |
| 72 | pos = y |
| 73 | |
| 74 | horz_mul = 0 |
| 75 | vert_mul = 0 |
| 76 | if horz_stretch > 0: |
| 77 | horz_mul = float((dw - (sw - 2 - horz_stretch)) / horz_stretch) |
| 78 | if vert_stretch > 0: |
| 79 | vert_mul = float((dh - (sh - 2 - vert_stretch)) / vert_stretch) |
| 80 | dy0 = 0 |
| 81 | dy1 = 0 |
| 82 | vstretch = 0 |
| 83 | len_vert = len(vert) |
| 84 | len_horz = len(horz) |
| 85 | for i in range(len_vert): |
| 86 | sy0 = vert[i].pos |
| 87 | sy1 = vert[i].pos + vert[i].length |
| 88 | if i + 1 == len_vert: |
| 89 | dy1 = dh |
| 90 | elif vert[i].stretchable: |
| 91 | vstretch += float(vert[i].length * vert_mul) |
no test coverage detected