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- /*
- u8g2_box.c
- Universal 8bit Graphics Library (https://github.com/olikraus/u8g2/)
- Copyright (c) 2016, 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 "u8g2.h"
- /*
- draw a filled box
- restriction: does not work for w = 0 or h = 0
- */
- void u8g2_DrawBox(u8g2_t *u8g2, u8g2_uint_t x, u8g2_uint_t y, u8g2_uint_t w, u8g2_uint_t h)
- {
- #ifdef U8G2_WITH_INTERSECTION
- if ( u8g2_IsIntersection(u8g2, x, y, x+w, y+h) == 0 )
- return;
- #endif /* U8G2_WITH_INTERSECTION */
- while( h != 0 )
- {
- u8g2_DrawHVLine(u8g2, x, y, w, 0);
- y++;
- h--;
- }
- }
- /*
- draw a frame (empty box)
- restriction: does not work for w = 0 or h = 0
- */
- void u8g2_DrawFrame(u8g2_t *u8g2, u8g2_uint_t x, u8g2_uint_t y, u8g2_uint_t w, u8g2_uint_t h)
- {
- u8g2_uint_t xtmp = x;
-
- #ifdef U8G2_WITH_INTERSECTION
- if ( u8g2_IsIntersection(u8g2, x, y, x+w, y+h) == 0 )
- return;
- #endif /* U8G2_WITH_INTERSECTION */
-
- u8g2_DrawHVLine(u8g2, x, y, w, 0);
- if (h >= 2) {
- h-=2;
- y++;
- if (h > 0) {
- u8g2_DrawHVLine(u8g2, x, y, h, 1);
- x+=w;
- x--;
- u8g2_DrawHVLine(u8g2, x, y, h, 1);
- y+=h;
- }
- u8g2_DrawHVLine(u8g2, xtmp, y, w, 0);
- }
- }
- 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)
- {
- u8g2_uint_t xl, yu;
- u8g2_uint_t yl, xr;
- #ifdef U8G2_WITH_INTERSECTION
- if ( u8g2_IsIntersection(u8g2, x, y, x+w, y+h) == 0 )
- return;
- #endif /* U8G2_WITH_INTERSECTION */
- xl = x;
- xl += r;
- yu = y;
- yu += r;
-
- xr = x;
- xr += w;
- xr -= r;
- xr -= 1;
-
- yl = y;
- yl += h;
- yl -= r;
- yl -= 1;
- u8g2_DrawDisc(u8g2, xl, yu, r, U8G2_DRAW_UPPER_LEFT);
- u8g2_DrawDisc(u8g2, xr, yu, r, U8G2_DRAW_UPPER_RIGHT);
- u8g2_DrawDisc(u8g2, xl, yl, r, U8G2_DRAW_LOWER_LEFT);
- u8g2_DrawDisc(u8g2, xr, yl, r, U8G2_DRAW_LOWER_RIGHT);
- {
- u8g2_uint_t ww, hh;
- ww = w;
- ww -= r;
- ww -= r;
- xl++;
- yu++;
-
- if ( ww >= 3 )
- {
- ww -= 2;
- u8g2_DrawBox(u8g2, xl, y, ww, r+1);
- u8g2_DrawBox(u8g2, xl, yl, ww, r+1);
- }
-
- hh = h;
- hh -= r;
- hh -= r;
- //h--;
- if ( hh >= 3 )
- {
- hh -= 2;
- u8g2_DrawBox(u8g2, x, yu, w, hh);
- }
- }
- }
- 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)
- {
- u8g2_uint_t xl, yu;
- #ifdef U8G2_WITH_INTERSECTION
- if ( u8g2_IsIntersection(u8g2, x, y, x+w, y+h) == 0 )
- return;
- #endif /* U8G2_WITH_INTERSECTION */
- xl = x;
- xl += r;
- yu = y;
- yu += r;
-
- {
- u8g2_uint_t yl, xr;
-
- xr = x;
- xr += w;
- xr -= r;
- xr -= 1;
-
- yl = y;
- yl += h;
- yl -= r;
- yl -= 1;
- u8g2_DrawCircle(u8g2, xl, yu, r, U8G2_DRAW_UPPER_LEFT);
- u8g2_DrawCircle(u8g2, xr, yu, r, U8G2_DRAW_UPPER_RIGHT);
- u8g2_DrawCircle(u8g2, xl, yl, r, U8G2_DRAW_LOWER_LEFT);
- u8g2_DrawCircle(u8g2, xr, yl, r, U8G2_DRAW_LOWER_RIGHT);
- }
- {
- u8g2_uint_t ww, hh;
- ww = w;
- ww -= r;
- ww -= r;
- hh = h;
- hh -= r;
- hh -= r;
-
- xl++;
- yu++;
-
- if ( ww >= 3 )
- {
- ww -= 2;
- h--;
- u8g2_DrawHLine(u8g2, xl, y, ww);
- u8g2_DrawHLine(u8g2, xl, y+h, ww);
- }
-
- if ( hh >= 3 )
- {
- hh -= 2;
- w--;
- u8g2_DrawVLine(u8g2, x, yu, hh);
- u8g2_DrawVLine(u8g2, x+w, yu, hh);
- }
- }
- }
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