| Date: | 2013-01-31 08:03:31 (10 years 8 months ago) |
|---|---|
| Author: | Werner Almesberger |
| Commit: | f26fd3564a2664fe3deea5b86bd46e8dad8209ac |
| Message: | ubb-la/gui.c (show_map): keep view rectangle size constant Before, we had rounding effects that could make the rectangle width vary by one pixel, depending on position. |
| Files: |
ubb-la/gui.c (2 diffs) |
Change Details
| ubb-la/gui.c | ||
|---|---|---|
| 177 | 177 | int w = nibbles-skip; |
| 178 | 178 | int m = (nibbles+skip) >> 1; |
| 179 | 179 | int scale = 0; |
| 180 | int x0, x1; | |
| 180 | 181 | |
| 181 | 182 | while (w >= XWIDTH/2) { |
| 182 | 183 | w >>= 1; |
| ... | ... | |
| 184 | 185 | } |
| 185 | 186 | boxColor(surf, XCENTER-(w >> 1), MAP_BUF_Y0, |
| 186 | 187 | XCENTER+(w >> 1), MAP_BUF_Y1, MAP_BUF_RGBA); |
| 187 | rectangleColor(surf, (s0-m+(XCENTER << scale)) >> scale, MAP_VIEW_Y0, | |
| 188 | (s1-m+(XCENTER << scale)) >> scale, MAP_VIEW_Y1, MAP_VIEW_RGBA); | |
| 188 | x0 = (s0-m+(XCENTER << scale)) >> scale; | |
| 189 | x1 = x0+((s1-s0) >> scale); | |
| 190 | rectangleColor(surf, x0, MAP_VIEW_Y0, x1, MAP_VIEW_Y1, MAP_VIEW_RGBA); | |
| 189 | 191 | } |
| 190 | 192 | |
| 191 | 193 | |
Branches:
master
