diff options
Diffstat (limited to 'ArduinoAddons/Arduino_1.0.x/libraries/U8glib/utility/u8g_rect.c')
| -rwxr-xr-x | ArduinoAddons/Arduino_1.0.x/libraries/U8glib/utility/u8g_rect.c | 232 |
1 files changed, 232 insertions, 0 deletions
diff --git a/ArduinoAddons/Arduino_1.0.x/libraries/U8glib/utility/u8g_rect.c b/ArduinoAddons/Arduino_1.0.x/libraries/U8glib/utility/u8g_rect.c new file mode 100755 index 000000000..139a43a24 --- /dev/null +++ b/ArduinoAddons/Arduino_1.0.x/libraries/U8glib/utility/u8g_rect.c @@ -0,0 +1,232 @@ +/* + + u8g_rect.c + + U8G high level interface for horizontal and vertical things + + Universal 8bit Graphics Library + + Copyright (c) 2011, olikraus@gmail.com + All rights reserved. + + Redistribution and use in source and binary forms, with or without modification, + are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright notice, this list + of conditions and the following disclaimer. + + * Redistributions in binary form must reproduce the above copyright notice, this + list of conditions and the following disclaimer in the documentation and/or other + materials provided with the distribution. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND + CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, + INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR + CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + + +*/ + +#include "u8g.h" + +void u8g_draw_hline(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, u8g_uint_t w) +{ + uint8_t pixel = 0x0ff; + while( w >= 8 ) + { + u8g_Draw8Pixel(u8g, x, y, 0, pixel); + w-=8; + x+=8; + } + if ( w != 0 ) + { + w ^=7; + w++; + pixel <<= w&7; + u8g_Draw8Pixel(u8g, x, y, 0, pixel); + } +} + +void u8g_draw_vline(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, u8g_uint_t h) +{ + uint8_t pixel = 0x0ff; + while( h >= 8 ) + { + u8g_Draw8Pixel(u8g, x, y, 1, pixel); + h-=8; + y+=8; + } + if ( h != 0 ) + { + h ^=7; + h++; + pixel <<= h&7; + u8g_Draw8Pixel(u8g, x, y, 1, pixel); + } +} + +void u8g_DrawHLine(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, u8g_uint_t w) +{ + if ( u8g_IsBBXIntersection(u8g, x, y, w, 1) == 0 ) + return; + u8g_draw_hline(u8g, x, y, w); +} + +void u8g_DrawVLine(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, u8g_uint_t w) +{ + if ( u8g_IsBBXIntersection(u8g, x, y, 1, w) == 0 ) + return; + u8g_draw_vline(u8g, x, y, w); +} + +/* restrictions: w > 0 && h > 0 */ +void u8g_DrawFrame(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, u8g_uint_t w, u8g_uint_t h) +{ + u8g_uint_t xtmp = x; + + if ( u8g_IsBBXIntersection(u8g, x, y, w, h) == 0 ) + return; + + + u8g_draw_hline(u8g, x, y, w); + u8g_draw_vline(u8g, x, y, h); + x+=w; + x--; + u8g_draw_vline(u8g, x, y, h); + y+=h; + y--; + u8g_draw_hline(u8g, xtmp, y, w); +} + +void u8g_draw_box(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, u8g_uint_t w, u8g_uint_t h) +{ + do + { + u8g_draw_hline(u8g, x, y, w); + y++; + h--; + } while( h != 0 ); +} + +/* restrictions: h > 0 */ +void u8g_DrawBox(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, u8g_uint_t w, u8g_uint_t h) +{ + if ( u8g_IsBBXIntersection(u8g, x, y, w, h) == 0 ) + return; + u8g_draw_box(u8g, x, y, w, h); +} + + +void u8g_DrawRFrame(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, u8g_uint_t w, u8g_uint_t h, u8g_uint_t r) +{ + u8g_uint_t xl, yu; + + if ( u8g_IsBBXIntersection(u8g, x, y, w, h) == 0 ) + return; + + xl = x; + xl += r; + yu = y; + yu += r; + + { + u8g_uint_t yl, xr; + + xr = x; + xr += w; + xr -= r; + xr -= 1; + + yl = y; + yl += h; + yl -= r; + yl -= 1; + + u8g_draw_circle(u8g, xl, yu, r, U8G_DRAW_UPPER_LEFT); + u8g_draw_circle(u8g, xr, yu, r, U8G_DRAW_UPPER_RIGHT); + u8g_draw_circle(u8g, xl, yl, r, U8G_DRAW_LOWER_LEFT); + u8g_draw_circle(u8g, xr, yl, r, U8G_DRAW_LOWER_RIGHT); + } + + { + u8g_uint_t ww, hh; + + ww = w; + ww -= r; + ww -= r; + ww -= 2; + hh = h; + hh -= r; + hh -= r; + hh -= 2; + + xl++; + yu++; + h--; + w--; + u8g_draw_hline(u8g, xl, y, ww); + u8g_draw_hline(u8g, xl, y+h, ww); + u8g_draw_vline(u8g, x, yu, hh); + u8g_draw_vline(u8g, x+w, yu, hh); + } +} + +void u8g_DrawRBox(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, u8g_uint_t w, u8g_uint_t h, u8g_uint_t r) +{ + u8g_uint_t xl, yu; + u8g_uint_t yl, xr; + + if ( u8g_IsBBXIntersection(u8g, x, y, w, h) == 0 ) + return; + + xl = x; + xl += r; + yu = y; + yu += r; + + xr = x; + xr += w; + xr -= r; + xr -= 1; + + yl = y; + yl += h; + yl -= r; + yl -= 1; + + u8g_draw_disc(u8g, xl, yu, r, U8G_DRAW_UPPER_LEFT); + u8g_draw_disc(u8g, xr, yu, r, U8G_DRAW_UPPER_RIGHT); + u8g_draw_disc(u8g, xl, yl, r, U8G_DRAW_LOWER_LEFT); + u8g_draw_disc(u8g, xr, yl, r, U8G_DRAW_LOWER_RIGHT); + + { + u8g_uint_t ww, hh; + + ww = w; + ww -= r; + ww -= r; + ww -= 2; + hh = h; + hh -= r; + hh -= r; + hh -= 2; + + xl++; + yu++; + h--; + u8g_draw_box(u8g, xl, y, ww, r+1); + u8g_draw_box(u8g, xl, yl, ww, r+1); + //u8g_draw_hline(u8g, xl, y+h, ww); + u8g_draw_box(u8g, x, yu, w, hh); + //u8g_draw_vline(u8g, x+w, yu, hh); + } +} |