📄 gui_basic.lst
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744 1 while(yy>=0)
745 1 { if(di<0)
746 2 { di+= radius_xx2*3 + 4*radius_yy*xx + 4*radius_yy - 2*radius_xx2*yy;
747 3
748 3 xx ++; // x轴加1
749 3 draw_x0++;
750 3 draw_x1--;
751 3 draw_x2++;
752 3 draw_x3--;
753 3 }
754 2 else
755 2 { di += radius_xx2*3 - 2*radius_xx2*yy;
756 3 }
757 2
758 2 yy--;
759 2 draw_y0--;
760 2 draw_y1--;
761 2 draw_y2++;
762 2 draw_y3++;
763 2
764 2 point.x = draw_x0;
765 2 point.y = draw_y0;
766 2 LCDDrawPoint( &point );
767 2 point.x = draw_x1;
768 2 point.y = draw_y1;
769 2 LCDDrawPoint( &point );
770 2 point.x = draw_x2;
771 2 point.y = draw_y2;
772 2 LCDDrawPoint( &point );
773 2 point.x = draw_x3;
774 2 point.y = draw_y3;
775 2 LCDDrawPoint( &point );
776 2 }
777 1 }
778 /*
779 ================================================================================
780 Name: GUI_DrawEllipseFill( )
781 Function: Display a ellipse at a special area and fill its area
782 Input: -pCycle, A pinter point to a ellipse structure
783 Output: None
784 Author: LiYong
785 Date : 2008.08.09
786 ================================================================================
787 */
788 void GUI_DrawEllipseFill( ELLIPSE* pEllipse )
789 {
790 1 INT32S draw_x0, draw_y0; // 刽图点坐标变量
791 1 INT32S draw_x1, draw_y1;
792 1 INT32S draw_x2, draw_y2;
793 1 INT32S draw_x3, draw_y3;
794 1 INT32S xx, yy; // 画图控制变量
795 1
796 1 INT32S center_x, center_y; // 椭圆中心点坐标变量
797 1 INT32S radius_x, radius_y; // 椭圆的半径，x轴半径和y轴半径
798 1 INT32S radius_xx, radius_yy; // 半径乘平方值
C51 COMPILER V7.50 GUI_BASIC 03/30/2011 19:43:24 PAGE 14
799 1 INT32S radius_xx2, radius_yy2; // 半径乘平方值的两倍
800 1 INT32S di; // 定义决策变量
801 1
802 1 POINT point;
803 1 LINE line;
804 1
805 1 point.Color = pEllipse->Color;
806 1 line.Color = pEllipse->Color;
807 1
808 1 /* 参数过滤 */
809 1 if( (pEllipse->xs==pEllipse->xe) ||
810 1 (pEllipse->ys==pEllipse->ye) ) return;
811 1
812 1 /* 计算出椭圆中心点坐标 */
813 1 center_x = (pEllipse->xs + pEllipse->xe) >> 1;
814 1 center_y = (pEllipse->ys + pEllipse->ye) >> 1;
815 1
816 1 /* 计算出椭圆的半径，x轴半径和y轴半径 */
817 1 if(pEllipse->xs > pEllipse->xe)
818 1 {
819 2 radius_x = (pEllipse->xs - pEllipse->xe) >> 1;
820 2 }
821 1 else
822 1 {
823 2 radius_x = (pEllipse->xe - pEllipse->xs) >> 1;
824 2 }
825 1 if(pEllipse->ys > pEllipse->ye)
826 1 {
827 2 radius_y = (pEllipse->ys - pEllipse->ye) >> 1;
828 2 }
829 1 else
830 1 {
831 2 radius_y = (pEllipse->ye - pEllipse->ys) >> 1;
832 2 }
833 1
834 1 /* 计算半径乘平方值 */
835 1 radius_xx = radius_x * radius_x;
836 1 radius_yy = radius_y * radius_y;
837 1
838 1 /* 计算半径乘4值 */
839 1 radius_xx2 = radius_xx<<1;
840 1 radius_yy2 = radius_yy<<1;
841 1
842 1 /* 初始化画图变量 */
843 1 xx = 0;
844 1 yy = radius_y;
845 1
846 1 di = radius_yy2 + radius_xx - radius_xx2*radius_y ; // 初始化决策变量
847 1
848 1 /* 计算出椭圆y轴上的两个端点坐标，作为作图起点 */
849 1 draw_x0 = draw_x1 = draw_x2 = draw_x3 = center_x;
850 1 draw_y0 = draw_y1 = center_y + radius_y;
851 1 draw_y2 = draw_y3 = center_y - radius_y;
852 1
853 1 point.x = draw_x0;
854 1 point.y = draw_y0;
855 1 LCDDrawPoint( &point );
856 1 point.x = draw_x2;
857 1 point.y = draw_y2;
858 1 LCDDrawPoint( &point );// 画y轴上的两个端点
859 1
860 1 while( (radius_yy*xx) < (radius_xx*yy) )
C51 COMPILER V7.50 GUI_BASIC 03/30/2011 19:43:24 PAGE 15
861 1 { if(di<0)
862 2 { di+= radius_yy2*(2*xx+3);
863 3 }
864 2 else
865 2 { di += radius_yy2*(2*xx+3) + 4*radius_xx - 4*radius_xx*yy;
866 3
867 3 yy--;
868 3 draw_y0--;
869 3 draw_y1--;
870 3 draw_y2++;
871 3 draw_y3++;
872 3 }
873 2
874 2 xx ++; // x轴加1
875 2
876 2 draw_x0++;
877 2 draw_x1--;
878 2 draw_x2++;
879 2 draw_x3--;
880 2
881 2 point.x = draw_x0;
882 2 point.y = draw_y0;
883 2 LCDDrawPoint( &point );
884 2 point.x = draw_x1;
885 2 point.y = draw_y1;
886 2 LCDDrawPoint( &point );
887 2 point.x = draw_x2;
888 2 point.y = draw_y2;
889 2 LCDDrawPoint( &point );
890 2 point.x = draw_x3;
891 2 point.y = draw_y3;
892 2 LCDDrawPoint( &point );
893 2
894 2 /* 若y轴已变化，进行填充 */
895 2 if(di>=0)
896 2 {
897 3 line.xs = draw_x0;
898 3 line.xe = draw_x1;
899 3 line.ys = line.ye = draw_y0;
900 3 LCDDrawHRLine( &line );
901 3 line.xs = draw_x2;
902 3 line.xe = draw_x3;
903 3 line.ys = line.ye = draw_y2;
904 3 LCDDrawHRLine( &line );
905 3
906 3 }
907 2 }
908 1
909 1 di = radius_xx2*(yy-1)*(yy-1) + radius_yy2*xx*xx + radius_yy +
910 1 radius_yy2*xx - radius_xx2*radius_yy;
911 1 while(yy>=0)
912 1 { if(di<0)
913 2 { di+= radius_xx2*3 + 4*radius_yy*xx + 4*radius_yy - 2*radius_xx2*yy;
914 3
915 3 xx ++; // x轴加1
916 3 draw_x0++;
917 3 draw_x1--;
918 3 draw_x2++;
919 3 draw_x3--;
920 3 }
921 2 else
922 2 { di += radius_xx2*3 - 2*radius_xx2*yy;
C51 COMPILER V7.50 GUI_BASIC 03/30/2011 19:43:24 PAGE 16
923 3 }
924 2
925 2 yy--;
926 2 draw_y0--;
927 2 draw_y1--;
928 2 draw_y2++;
929 2 draw_y3++;
930 2
931 2 point.x = draw_x0;
932 2 point.y = draw_y0;
933 2 LCDDrawPoint( &point );
934 2 point.x = draw_x1;
935 2 point.y = draw_y1;
936 2 LCDDrawPoint( &point );
937 2 point.x = draw_x2;
938 2 point.y = draw_y2;
939 2 LCDDrawPoint( &point );
940 2 point.x = draw_x3;
941 2 point.y = draw_y3;
942 2 LCDDrawPoint( &point );
943 2
944 2 /* y轴已变化，进行填充 */
945 2 line.xs = draw_x0;
946 2 line.xe = draw_x1;
947 2 line.ys = line.ye = draw_y0;
948 2 LCDDrawHRLine( &line );
949 2 line.xs = draw_x2;
950 2 line.xe = draw_x3;
951 2 line.ys = line.ye = draw_y2;
952 2 LCDDrawHRLine( &line );
953 2 }
954 1 }
955 /*
956 ================================================================================
957 Name: GUI_Inital( )
958 Function: Initialize GUI with single color
959 Input: -Color, Initialize color
960 Output: None
961 Author: LiYong
962 Date : 2008.08.09
963 ================================================================================
964 */
965 void GUI_Inital( TCOLOR Color )
966 {
967 1 DOLLOP dollop;
968 1
969 1 dollop.xs = 0;
970 1 dollop.xe = GUI_LCM_XMAX;
971 1 dollop.ys = 0;
972 1 dollop.ye = GUI_LCM_YMAX;
973 1 dollop.Color = Color;
974 1
975 1 LCDDrawDollop( &dollop );
976 1 }
977
MODULE INFORMATION: STATIC OVERLAYABLE
CODE SIZE = 9791 ----
CONSTANT SIZE = 1330 ----
XDATA SIZE = ---- 376
PDATA SIZE = ---- ----
C51 COMPILER V7.50 GUI_BASIC 03/30/2011 19:43:24 PAGE 17
DATA SIZE = ---- ----
IDATA SIZE = ---- ----
BIT SIZE = ---- ----
END OF MODULE INFORMATION.
C51 COMPILATION COMPLETE. 0 WARNING(S), 0 ERROR(S)
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