comparison: components/u8g2/csrc/u8g2_box.c
components/u8g2/csrc/u8g2_box.c
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- 88d965579617
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| -1:000000000000 | 0:88d965579617 |
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| 1 /* | |
| 2 | |
| 3 u8g2_box.c | |
| 4 | |
| 5 Universal 8bit Graphics Library (https://github.com/olikraus/u8g2/) | |
| 6 | |
| 7 Copyright (c) 2016, olikraus@gmail.com | |
| 8 All rights reserved. | |
| 9 | |
| 10 Redistribution and use in source and binary forms, with or without modification, | |
| 11 are permitted provided that the following conditions are met: | |
| 12 | |
| 13 * Redistributions of source code must retain the above copyright notice, this list | |
| 14 of conditions and the following disclaimer. | |
| 15 | |
| 16 * Redistributions in binary form must reproduce the above copyright notice, this | |
| 17 list of conditions and the following disclaimer in the documentation and/or other | |
| 18 materials provided with the distribution. | |
| 19 | |
| 20 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND | |
| 21 CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, | |
| 22 INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | |
| 23 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
| 24 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR | |
| 25 CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 26 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
| 27 NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
| 28 LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER | |
| 29 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
| 30 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
| 31 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF | |
| 32 ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 33 | |
| 34 */ | |
| 35 | |
| 36 #include "u8g2.h" | |
| 37 | |
| 38 /* | |
| 39 draw a filled box | |
| 40 restriction: does not work for w = 0 or h = 0 | |
| 41 */ | |
| 42 void u8g2_DrawBox(u8g2_t *u8g2, u8g2_uint_t x, u8g2_uint_t y, u8g2_uint_t w, u8g2_uint_t h) | |
| 43 { | |
| 44 #ifdef U8G2_WITH_INTERSECTION | |
| 45 if ( u8g2_IsIntersection(u8g2, x, y, x+w, y+h) == 0 ) | |
| 46 return; | |
| 47 #endif /* U8G2_WITH_INTERSECTION */ | |
| 48 while( h != 0 ) | |
| 49 { | |
| 50 u8g2_DrawHVLine(u8g2, x, y, w, 0); | |
| 51 y++; | |
| 52 h--; | |
| 53 } | |
| 54 } | |
| 55 | |
| 56 | |
| 57 /* | |
| 58 draw a frame (empty box) | |
| 59 restriction: does not work for w = 0 or h = 0 | |
| 60 ToDo: | |
| 61 pixel in the corners are drawn twice. This could be optimized. | |
| 62 */ | |
| 63 void u8g2_DrawFrame(u8g2_t *u8g2, u8g2_uint_t x, u8g2_uint_t y, u8g2_uint_t w, u8g2_uint_t h) | |
| 64 { | |
| 65 u8g2_uint_t xtmp = x; | |
| 66 | |
| 67 #ifdef U8G2_WITH_INTERSECTION | |
| 68 if ( u8g2_IsIntersection(u8g2, x, y, x+w, y+h) == 0 ) | |
| 69 return; | |
| 70 #endif /* U8G2_WITH_INTERSECTION */ | |
| 71 | |
| 72 u8g2_DrawHVLine(u8g2, x, y, w, 0); | |
| 73 u8g2_DrawHVLine(u8g2, x, y, h, 1); | |
| 74 x+=w; | |
| 75 x--; | |
| 76 u8g2_DrawHVLine(u8g2, x, y, h, 1); | |
| 77 y+=h; | |
| 78 y--; | |
| 79 u8g2_DrawHVLine(u8g2, xtmp, y, w, 0); | |
| 80 } | |
| 81 | |
| 82 | |
| 83 | |
| 84 | |
| 85 void u8g2_DrawRBox(u8g2_t *u8g2, u8g2_uint_t x, u8g2_uint_t y, u8g2_uint_t w, u8g2_uint_t h, u8g2_uint_t r) | |
| 86 { | |
| 87 u8g2_uint_t xl, yu; | |
| 88 u8g2_uint_t yl, xr; | |
| 89 | |
| 90 #ifdef U8G2_WITH_INTERSECTION | |
| 91 if ( u8g2_IsIntersection(u8g2, x, y, x+w, y+h) == 0 ) | |
| 92 return; | |
| 93 #endif /* U8G2_WITH_INTERSECTION */ | |
| 94 | |
| 95 xl = x; | |
| 96 xl += r; | |
| 97 yu = y; | |
| 98 yu += r; | |
| 99 | |
| 100 xr = x; | |
| 101 xr += w; | |
| 102 xr -= r; | |
| 103 xr -= 1; | |
| 104 | |
| 105 yl = y; | |
| 106 yl += h; | |
| 107 yl -= r; | |
| 108 yl -= 1; | |
| 109 | |
| 110 u8g2_DrawDisc(u8g2, xl, yu, r, U8G2_DRAW_UPPER_LEFT); | |
| 111 u8g2_DrawDisc(u8g2, xr, yu, r, U8G2_DRAW_UPPER_RIGHT); | |
| 112 u8g2_DrawDisc(u8g2, xl, yl, r, U8G2_DRAW_LOWER_LEFT); | |
| 113 u8g2_DrawDisc(u8g2, xr, yl, r, U8G2_DRAW_LOWER_RIGHT); | |
| 114 | |
| 115 { | |
| 116 u8g2_uint_t ww, hh; | |
| 117 | |
| 118 ww = w; | |
| 119 ww -= r; | |
| 120 ww -= r; | |
| 121 xl++; | |
| 122 yu++; | |
| 123 | |
| 124 if ( ww >= 3 ) | |
| 125 { | |
| 126 ww -= 2; | |
| 127 u8g2_DrawBox(u8g2, xl, y, ww, r+1); | |
| 128 u8g2_DrawBox(u8g2, xl, yl, ww, r+1); | |
| 129 } | |
| 130 | |
| 131 hh = h; | |
| 132 hh -= r; | |
| 133 hh -= r; | |
| 134 //h--; | |
| 135 if ( hh >= 3 ) | |
| 136 { | |
| 137 hh -= 2; | |
| 138 u8g2_DrawBox(u8g2, x, yu, w, hh); | |
| 139 } | |
| 140 } | |
| 141 } | |
| 142 | |
| 143 | |
| 144 void u8g2_DrawRFrame(u8g2_t *u8g2, u8g2_uint_t x, u8g2_uint_t y, u8g2_uint_t w, u8g2_uint_t h, u8g2_uint_t r) | |
| 145 { | |
| 146 u8g2_uint_t xl, yu; | |
| 147 | |
| 148 #ifdef U8G2_WITH_INTERSECTION | |
| 149 if ( u8g2_IsIntersection(u8g2, x, y, x+w, y+h) == 0 ) | |
| 150 return; | |
| 151 #endif /* U8G2_WITH_INTERSECTION */ | |
| 152 | |
| 153 xl = x; | |
| 154 xl += r; | |
| 155 yu = y; | |
| 156 yu += r; | |
| 157 | |
| 158 { | |
| 159 u8g2_uint_t yl, xr; | |
| 160 | |
| 161 xr = x; | |
| 162 xr += w; | |
| 163 xr -= r; | |
| 164 xr -= 1; | |
| 165 | |
| 166 yl = y; | |
| 167 yl += h; | |
| 168 yl -= r; | |
| 169 yl -= 1; | |
| 170 | |
| 171 u8g2_DrawCircle(u8g2, xl, yu, r, U8G2_DRAW_UPPER_LEFT); | |
| 172 u8g2_DrawCircle(u8g2, xr, yu, r, U8G2_DRAW_UPPER_RIGHT); | |
| 173 u8g2_DrawCircle(u8g2, xl, yl, r, U8G2_DRAW_LOWER_LEFT); | |
| 174 u8g2_DrawCircle(u8g2, xr, yl, r, U8G2_DRAW_LOWER_RIGHT); | |
| 175 } | |
| 176 | |
| 177 { | |
| 178 u8g2_uint_t ww, hh; | |
| 179 | |
| 180 ww = w; | |
| 181 ww -= r; | |
| 182 ww -= r; | |
| 183 hh = h; | |
| 184 hh -= r; | |
| 185 hh -= r; | |
| 186 | |
| 187 xl++; | |
| 188 yu++; | |
| 189 | |
| 190 if ( ww >= 3 ) | |
| 191 { | |
| 192 ww -= 2; | |
| 193 h--; | |
| 194 u8g2_DrawHLine(u8g2, xl, y, ww); | |
| 195 u8g2_DrawHLine(u8g2, xl, y+h, ww); | |
| 196 } | |
| 197 | |
| 198 if ( hh >= 3 ) | |
| 199 { | |
| 200 hh -= 2; | |
| 201 w--; | |
| 202 u8g2_DrawVLine(u8g2, x, yu, hh); | |
| 203 u8g2_DrawVLine(u8g2, x+w, yu, hh); | |
| 204 } | |
| 205 } | |
| 206 } | |
| 207 |
