diff options
| author | Star Rauchenberger <fefferburbia@gmail.com> | 2024-05-15 13:31:37 -0400 |
|---|---|---|
| committer | Star Rauchenberger <fefferburbia@gmail.com> | 2024-05-15 13:31:37 -0400 |
| commit | b83d91790f0fe57a88373f7a6f7cd8dd037342be (patch) | |
| tree | 45cc26c0e7a1cdc96901455c2d3d23796529979e | |
| parent | 636d23430bddf8295afeb55381db8d1f65cf4b38 (diff) | |
| download | lingo-ap-tracker-b83d91790f0fe57a88373f7a6f7cd8dd037342be.tar.gz lingo-ap-tracker-b83d91790f0fe57a88373f7a6f7cd8dd037342be.tar.bz2 lingo-ap-tracker-b83d91790f0fe57a88373f7a6f7cd8dd037342be.zip | |
Draw a straight line when the ellipse would be invisible
| -rw-r--r-- | src/subway_map.cpp | 71 |
1 files changed, 39 insertions, 32 deletions
| diff --git a/src/subway_map.cpp b/src/subway_map.cpp index 460532c..6070fd5 100644 --- a/src/subway_map.cpp +++ b/src/subway_map.cpp | |||
| @@ -135,47 +135,54 @@ void SubwayMap::OnPaint(wxPaintEvent &event) { | |||
| 135 | int halfwidth = right - left; | 135 | int halfwidth = right - left; |
| 136 | int halfheight = bottom - top; | 136 | int halfheight = bottom - top; |
| 137 | 137 | ||
| 138 | int ellipse_x; | 138 | if (halfwidth < 4 || halfheight < 4) { |
| 139 | int ellipse_y; | 139 | dc.SetPen(*wxThePenList->FindOrCreatePen(*wxBLACK, 4)); |
| 140 | double start; | 140 | dc.DrawLine(item1_x, item1_y, item2_x, item2_y); |
| 141 | double end; | 141 | dc.SetPen(*wxThePenList->FindOrCreatePen(*wxCYAN, 2)); |
| 142 | dc.DrawLine(item1_x, item1_y, item2_x, item2_y); | ||
| 143 | } else { | ||
| 144 | int ellipse_x; | ||
| 145 | int ellipse_y; | ||
| 146 | double start; | ||
| 147 | double end; | ||
| 142 | 148 | ||
| 143 | if (item1_x > item2_x) { | 149 | if (item1_x > item2_x) { |
| 144 | ellipse_y = top; | 150 | ellipse_y = top; |
| 145 | 151 | ||
| 146 | if (item1_y > item2_y) { | 152 | if (item1_y > item2_y) { |
| 147 | ellipse_x = left - halfwidth; | 153 | ellipse_x = left - halfwidth; |
| 148 | 154 | ||
| 149 | start = 0; | 155 | start = 0; |
| 150 | end = 90; | 156 | end = 90; |
| 151 | } else { | 157 | } else { |
| 152 | ellipse_x = left; | 158 | ellipse_x = left; |
| 153 | 159 | ||
| 154 | start = 90; | 160 | start = 90; |
| 155 | end = 180; | 161 | end = 180; |
| 156 | } | 162 | } |
| 157 | } else { | 163 | } else { |
| 158 | ellipse_y = top - halfheight; | 164 | ellipse_y = top - halfheight; |
| 159 | 165 | ||
| 160 | if (item1_y > item2_y) { | 166 | if (item1_y > item2_y) { |
| 161 | ellipse_x = left - halfwidth; | 167 | ellipse_x = left - halfwidth; |
| 162 | 168 | ||
| 163 | start = 270; | 169 | start = 270; |
| 164 | end = 360; | 170 | end = 360; |
| 165 | } else { | 171 | } else { |
| 166 | ellipse_x = left; | 172 | ellipse_x = left; |
| 167 | 173 | ||
| 168 | start = 180; | 174 | start = 180; |
| 169 | end = 270; | 175 | end = 270; |
| 176 | } | ||
| 170 | } | 177 | } |
| 171 | } | ||
| 172 | 178 | ||
| 173 | dc.SetPen(*wxThePenList->FindOrCreatePen(*wxBLACK, 4)); | 179 | dc.SetPen(*wxThePenList->FindOrCreatePen(*wxBLACK, 4)); |
| 174 | dc.DrawEllipticArc(ellipse_x, ellipse_y, halfwidth * 2, halfheight * 2, | 180 | dc.DrawEllipticArc(ellipse_x, ellipse_y, halfwidth * 2, halfheight * 2, |
| 175 | start, end); | 181 | start, end); |
| 176 | dc.SetPen(*wxThePenList->FindOrCreatePen(*wxCYAN, 2)); | 182 | dc.SetPen(*wxThePenList->FindOrCreatePen(*wxCYAN, 2)); |
| 177 | dc.DrawEllipticArc(ellipse_x, ellipse_y, halfwidth * 2, halfheight * 2, | 183 | dc.DrawEllipticArc(ellipse_x, ellipse_y, halfwidth * 2, halfheight * 2, |
| 178 | start, end); | 184 | start, end); |
| 185 | } | ||
| 179 | } | 186 | } |
| 180 | } | 187 | } |
| 181 | 188 | ||