📄 gui_basic.lst
字号:
493 2 draw_x1--;
494 2 draw_x2++;
495 2 draw_x3--;
496 2 draw_y4++;
497 2 draw_y5++;
498 2 draw_y6--;
499 2 draw_y7--;
500 2
501 2
502 2 /* 要判断当前点是否在有效范围内 */
503 2 if( (draw_x0<=GUI_LCM_XMAX)&&(draw_y0>=0) )
504 2 {
505 3 point.x = draw_x0;
506 3 point.y = draw_y0;
507 3 LCDDrawPoint( &point );
508 3 }
509 2 if( (draw_x1>=0)&&(draw_y1>=0) )
510 2 {
511 3 point.x = draw_x1;
512 3 point.y = draw_y1;
513 3 LCDDrawPoint( &point );
514 3 }
515 2
516 2 /* 第二点水直线填充(下半圆的点) */
517 2 if(draw_x1>=0)
518 2 { /* 设置填充线条起始点fill_x0 */
519 3 fill_x0 = draw_x1;
520 3 /* 设置填充线条起始点fill_y0 */
521 3 fill_y0 = draw_y1;
522 3 if(fill_y0>GUI_LCM_YMAX) fill_y0 = GUI_LCM_YMAX;
523 3 if(fill_y0<0) fill_y0 = 0;
524 3 /* 设置填充线条结束点fill_x1 */
525 3 fill_x1 = pCircle->x*2 - draw_x1;
526 3 if(fill_x1>GUI_LCM_XMAX) fill_x1 = GUI_LCM_XMAX;
527 3
528 3 line.xs = fill_x0;
529 3 line.xe = fill_x1;
530 3 line.ys = line.ye = fill_y0;
531 3 LCDDrawHRLine( &line );
532 3 }
533 2
534 2
535 2 if( (draw_x2<=GUI_LCM_XMAX)&&(draw_y2<=GUI_LCM_YMAX) )
536 2 {
537 3 point.x = draw_x2;
538 3 point.y = draw_y2;
539 3 LCDDrawPoint( &point );
540 3 }
541 2
542 2 if( (draw_x3>=0)&&(draw_y3<=GUI_LCM_YMAX) )
543 2 {
544 3 point.x = draw_x3;
545 3 point.y = draw_y3;
546 3 LCDDrawPoint( &point );
547 3 }
548 2
549 2 /* 第四点垂直线填充(上半圆的点) */
550 2 if(draw_x3>=0)
C51 COMPILER V7.50 GUI_BASIC 03/30/2011 19:43:24 PAGE 10
551 2 { /* 设置填充线条起始点fill_x0 */
552 3 fill_x0 = draw_x3;
553 3 /* 设置填充线条起始点fill_y0 */
554 3 fill_y0 = draw_y3;
555 3 if(fill_y0>GUI_LCM_YMAX) fill_y0 = GUI_LCM_YMAX;
556 3 if(fill_y0<0) fill_y0 = 0;
557 3 /* 设置填充线条结束点fill_x1 */
558 3 fill_x1 = pCircle->x*2 - draw_x3;
559 3 if(fill_x1>GUI_LCM_XMAX) fill_x1 = GUI_LCM_XMAX;
560 3
561 3 line.xs = fill_x0;
562 3 line.xe = fill_x1;
563 3 line.ys = line.ye = fill_y0;
564 3 LCDDrawHRLine( &line );
565 3 }
566 2
567 2
568 2 if( (draw_x4<=GUI_LCM_XMAX)&&(draw_y4>=0) )
569 2 {
570 3 point.x = draw_x4;
571 3 point.y = draw_y4;
572 3 LCDDrawPoint( &point );
573 3 }
574 2 if( (draw_x5>=0)&&(draw_y5>=0) )
575 2 {
576 3 point.x = draw_x5;
577 3 point.y = draw_y5;
578 3 LCDDrawPoint( &point );
579 3 }
580 2
581 2 /* 第六点垂直线填充(上半圆的点) */
582 2 if(draw_x5>=0)
583 2 { /* 设置填充线条起始点fill_x0 */
584 3 fill_x0 = draw_x5;
585 3 /* 设置填充线条起始点fill_y0 */
586 3 fill_y0 = draw_y5;
587 3 if(fill_y0>GUI_LCM_YMAX) fill_y0 = GUI_LCM_YMAX;
588 3 if(fill_y0<0) fill_y0 = 0;
589 3 /* 设置填充线条结束点fill_x1 */
590 3 fill_x1 = pCircle->x*2 - draw_x5;
591 3 if(fill_x1>GUI_LCM_XMAX) fill_x1 = GUI_LCM_XMAX;
592 3 line.xs = fill_x0;
593 3 line.xe = fill_x1;
594 3 line.ys = line.ye = fill_y0;
595 3 LCDDrawHRLine( &line );
596 3 }
597 2
598 2
599 2 if( (draw_x6<=GUI_LCM_XMAX)&&(draw_y6<=GUI_LCM_YMAX) )
600 2 {
601 3 point.x = draw_x6;
602 3 point.y = draw_y6;
603 3 LCDDrawPoint( &point );
604 3 }
605 2
606 2 if( (draw_x7>=0)&&(draw_y7<=GUI_LCM_YMAX) )
607 2 {
608 3 point.x = draw_x7;
609 3 point.y = draw_y7;
610 3 LCDDrawPoint( &point );
611 3 }
612 2
C51 COMPILER V7.50 GUI_BASIC 03/30/2011 19:43:24 PAGE 11
613 2 /* 第八点垂直线填充(上半圆的点) */
614 2 if(draw_x7>=0)
615 2 { /* 设置填充线条起始点fill_x0 */
616 3 fill_x0 = draw_x7;
617 3 /* 设置填充线条起始点fill_y0 */
618 3 fill_y0 = draw_y7;
619 3 if(fill_y0>GUI_LCM_YMAX) fill_y0 = GUI_LCM_YMAX;
620 3 if(fill_y0<0) fill_y0 = 0;
621 3 /* 设置填充线条结束点fill_x1 */
622 3 fill_x1 = pCircle->x*2 - draw_x7;
623 3 if(fill_x1>GUI_LCM_XMAX) fill_x1 = GUI_LCM_XMAX;
624 3 line.xs = fill_x0;
625 3 line.xe = fill_x1;
626 3 line.ys = line.ye = fill_y0;
627 3 LCDDrawHRLine( &line );
628 3 }
629 2
630 2 }
631 1 }
632 /*
633 ================================================================================
634 Name: GUI_DrawEllipse( )
635 Function: Display a ellipse at a special area
636 Input: -pCycle, A pinter point to a ellipse structure
637 Output: None
638 Author: LiYong
639 Date : 2008.08.09
640 ================================================================================
641 */
642 void GUI_DrawEllipse( ELLIPSE* pEllipse )
643 {
644 1 INT32S draw_x0, draw_y0; // 刽图点坐标变量
645 1 INT32S draw_x1, draw_y1;
646 1 INT32S draw_x2, draw_y2;
647 1 INT32S draw_x3, draw_y3;
648 1 INT32S xx, yy; // 画图控制变量
649 1
650 1 INT32S center_x, center_y; // 椭圆中心点坐标变量
651 1 INT32S radius_x, radius_y; // 椭圆的半径，x轴半径和y轴半径
652 1 INT32S radius_xx, radius_yy; // 半径乘平方值
653 1 INT32S radius_xx2, radius_yy2; // 半径乘平方值的两倍
654 1 INT32S di; // 定义决策变量
655 1
656 1 POINT point;
657 1
658 1 point.Color = pEllipse->Color;
659 1
660 1 /* 参数过滤 */
661 1 if( (pEllipse->xs == pEllipse->xe ) ||
662 1 (pEllipse->ys == pEllipse->ye ) ) return;
663 1
664 1 /* 计算出椭圆中心点坐标 */
665 1 center_x = (pEllipse->xs + pEllipse->xe) >> 1;
666 1 center_y = (pEllipse->ys + pEllipse->ye) >> 1;
667 1
668 1 /* 计算出椭圆的半径，x轴半径和y轴半径 */
669 1 if(pEllipse->xs > pEllipse->xe)
670 1 { radius_x = (pEllipse->xs - pEllipse->xe) >> 1;
671 2 }
672 1 else
673 1 { radius_x = (pEllipse->xe - pEllipse->xs) >> 1;
674 2 }
C51 COMPILER V7.50 GUI_BASIC 03/30/2011 19:43:24 PAGE 12
675 1 if(pEllipse->ys > pEllipse->ye)
676 1 { radius_y = (pEllipse->ys - pEllipse->ye) >> 1;
677 2 }
678 1 else
679 1 { radius_y = (pEllipse->ye - pEllipse->ys) >> 1;
680 2 }
681 1
682 1 /* 计算半径平方值 */
683 1 radius_xx = radius_x * radius_x;
684 1 radius_yy = radius_y * radius_y;
685 1
686 1 /* 计算半径平方值乘2值 */
687 1 radius_xx2 = radius_xx<<1;
688 1 radius_yy2 = radius_yy<<1;
689 1
690 1 /* 初始化画图变量 */
691 1 xx = 0;
692 1 yy = radius_y;
693 1
694 1 di = radius_yy2 + radius_xx - radius_xx2*radius_y ; // 初始化决策变量
695 1
696 1 /* 计算出椭圆y轴上的两个端点坐标，作为作图起点 */
697 1 draw_x0 = draw_x1 = draw_x2 = draw_x3 = center_x;
698 1 draw_y0 = draw_y1 = center_y + radius_y;
699 1 draw_y2 = draw_y3 = center_y - radius_y;
700 1
701 1 point.x = draw_x0;
702 1 point.y = draw_y0;
703 1 LCDDrawPoint( &point );
704 1 point.x = draw_x2;
705 1 point.y = draw_y2;
706 1 LCDDrawPoint( &point ); // 画y轴上的两个端点
707 1
708 1 while( (radius_yy*xx) < (radius_xx*yy) )
709 1 { if(di<0)
710 2 { di+= radius_yy2*(2*xx+3);
711 3 }
712 2 else
713 2 { di += radius_yy2*(2*xx+3) + 4*radius_xx - 4*radius_xx*yy;
714 3
715 3 yy--;
716 3 draw_y0--;
717 3 draw_y1--;
718 3 draw_y2++;
719 3 draw_y3++;
720 3 }
721 2
722 2 xx ++; // x轴加1
723 2
724 2 draw_x0++;
725 2 draw_x1--;
726 2 draw_x2++;
727 2 draw_x3--;
728 2
729 2 point.x = draw_x0;
730 2 point.y = draw_y0;
731 2 LCDDrawPoint( &point );
732 2 point.x = draw_x1;
733 2 point.y = draw_y1;
734 2 LCDDrawPoint( &point );
735 2 point.x = draw_x2;
736 2 point.y = draw_y2;
C51 COMPILER V7.50 GUI_BASIC 03/30/2011 19:43:24 PAGE 13
737 2 LCDDrawPoint( &point );
738 2 point.x = draw_x3;
739 2 point.y = draw_y3;
740 2 LCDDrawPoint( &point );
741 2 }
742 1
743 1 di = radius_xx2*(yy-1)*(yy-1) + radius_yy2*xx*xx + radius_yy + radius_yy2*xx - radius_xx2*radius_yy;
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -