123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215 |
- /*
- ucg_box.c
- Universal uC Color Graphics Library
-
- Copyright (c) 2013, 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 "ucg.h"
- void ucg_DrawBox(ucg_t *ucg, ucg_int_t x, ucg_int_t y, ucg_int_t w, ucg_int_t h)
- {
- while( h > 0 )
- {
- ucg_DrawHLine(ucg, x, y, w);
- h--;
- y++;
- }
- }
- /*
- - clear the screen with black color
- - reset clip range to max
- - set draw color to white
- */
- void ucg_ClearScreen(ucg_t *ucg)
- {
- ucg_SetColor(ucg, 0, 0, 0, 0);
- ucg_SetMaxClipRange(ucg);
- ucg_DrawBox(ucg, 0, 0, ucg_GetWidth(ucg), ucg_GetHeight(ucg));
- ucg_SetColor(ucg, 0, 255, 255, 255);
- }
- void ucg_DrawRBox(ucg_t *ucg, ucg_int_t x, ucg_int_t y, ucg_int_t w, ucg_int_t h, ucg_int_t r)
- {
- ucg_int_t xl, yu;
- ucg_int_t yl, xr;
- xl = x;
- xl += r;
- yu = y;
- yu += r;
-
- xr = x;
- xr += w;
- xr -= r;
- xr -= 1;
-
- yl = y;
- yl += h;
- yl -= r;
- yl -= 1;
- ucg_DrawDisc(ucg, xl, yu, r, UCG_DRAW_UPPER_LEFT);
- ucg_DrawDisc(ucg, xr, yu, r, UCG_DRAW_UPPER_RIGHT);
- ucg_DrawDisc(ucg, xl, yl, r, UCG_DRAW_LOWER_LEFT);
- ucg_DrawDisc(ucg, xr, yl, r, UCG_DRAW_LOWER_RIGHT);
- {
- ucg_int_t ww, hh;
- ww = w;
- ww -= r;
- ww -= r;
- ww -= 2;
- hh = h;
- hh -= r;
- hh -= r;
- hh -= 2;
-
- xl++;
- yu++;
- h--;
- ucg_DrawBox(ucg, xl, y, ww, r+1);
- ucg_DrawBox(ucg, xl, yl, ww, r+1);
- ucg_DrawBox(ucg, x, yu, w, hh);
- }
- }
- ucg_ccs_t ucg_ccs_box[6]; /* color component sliders used by GradientBox */
- void ucg_DrawGradientBox(ucg_t *ucg, ucg_int_t x, ucg_int_t y, ucg_int_t w, ucg_int_t h)
- {
- uint8_t i;
-
- /* Setup ccs for l90se. This will be updated by ucg_clip_l90se if required */
- /* 8. Jan 2014: correct? */
- //printf("%d %d %d\n", ucg->arg.rgb[3].color[0], ucg->arg.rgb[3].color[1], ucg->arg.rgb[3].color[2]);
-
- for ( i = 0; i < 3; i++ )
- {
- ucg_ccs_init(ucg_ccs_box+i, ucg->arg.rgb[0].color[i], ucg->arg.rgb[2].color[i], h);
- ucg_ccs_init(ucg_ccs_box+i+3, ucg->arg.rgb[1].color[i], ucg->arg.rgb[3].color[i], h);
- }
-
-
- while( h > 0 )
- {
- ucg->arg.rgb[0].color[0] = ucg_ccs_box[0].current;
- ucg->arg.rgb[0].color[1] = ucg_ccs_box[1].current;
- ucg->arg.rgb[0].color[2] = ucg_ccs_box[2].current;
- ucg->arg.rgb[1].color[0] = ucg_ccs_box[3].current;
- ucg->arg.rgb[1].color[1] = ucg_ccs_box[4].current;
- ucg->arg.rgb[1].color[2] = ucg_ccs_box[5].current;
- //printf("%d %d %d\n", ucg_ccs_box[0].current, ucg_ccs_box[1].current, ucg_ccs_box[2].current);
- //printf("%d %d %d\n", ucg_ccs_box[3].current, ucg_ccs_box[4].current, ucg_ccs_box[5].current);
- ucg->arg.pixel.pos.x = x;
- ucg->arg.pixel.pos.y = y;
- ucg->arg.len = w;
- ucg->arg.dir = 0;
- ucg_DrawL90SEWithArg(ucg);
- for ( i = 0; i < 6; i++ )
- ucg_ccs_step(ucg_ccs_box+i);
- h--;
- y++;
- }
- }
- /* restrictions: w > 0 && h > 0 */
- void ucg_DrawFrame(ucg_t *ucg, ucg_int_t x, ucg_int_t y, ucg_int_t w, ucg_int_t h)
- {
- ucg_int_t xtmp = x;
-
- ucg_DrawHLine(ucg, x, y, w);
- ucg_DrawVLine(ucg, x, y, h);
- x+=w;
- x--;
- ucg_DrawVLine(ucg, x, y, h);
- y+=h;
- y--;
- ucg_DrawHLine(ucg, xtmp, y, w);
- }
- void ucg_DrawRFrame(ucg_t *ucg, ucg_int_t x, ucg_int_t y, ucg_int_t w, ucg_int_t h, ucg_int_t r)
- {
- ucg_int_t xl, yu;
- xl = x;
- xl += r;
- yu = y;
- yu += r;
-
- {
- ucg_int_t yl, xr;
-
- xr = x;
- xr += w;
- xr -= r;
- xr -= 1;
-
- yl = y;
- yl += h;
- yl -= r;
- yl -= 1;
- ucg_DrawCircle(ucg, xl, yu, r, UCG_DRAW_UPPER_LEFT);
- ucg_DrawCircle(ucg, xr, yu, r, UCG_DRAW_UPPER_RIGHT);
- ucg_DrawCircle(ucg, xl, yl, r, UCG_DRAW_LOWER_LEFT);
- ucg_DrawCircle(ucg, xr, yl, r, UCG_DRAW_LOWER_RIGHT);
- }
- {
- ucg_int_t ww, hh;
- ww = w;
- ww -= r;
- ww -= r;
- ww -= 2;
- hh = h;
- hh -= r;
- hh -= r;
- hh -= 2;
-
- xl++;
- yu++;
- h--;
- w--;
- ucg_DrawHLine(ucg, xl, y, ww);
- ucg_DrawHLine(ucg, xl, y+h, ww);
- ucg_DrawVLine(ucg, x, yu, hh);
- ucg_DrawVLine(ucg, x+w, yu, hh);
- }
- }
|