pointObj get_metrics_line(pointObj *p, int position, rectObj rect, int ox, int oy, double angle, int buffer, lineObj *poly) * called by get_metrics and drawLabelCache * the poly lineObj MUST have at least 5 points allocated in poly->point * it should also probably have poly->numpoints set to 5 */
| 872 | * the poly lineObj MUST have at least 5 points allocated in poly->point |
| 873 | * it should also probably have poly->numpoints set to 5 */ |
| 874 | pointObj get_metrics_line(pointObj *p, int position, rectObj rect, int ox, int oy, double angle, int buffer, lineObj *poly) |
| 875 | { |
| 876 | pointObj q; |
| 877 | double x1=0, y1=0, x2=0, y2=0; |
| 878 | double sin_a,cos_a; |
| 879 | double w, h, x, y; |
| 880 | |
| 881 | w = rect.maxx - rect.minx; |
| 882 | h = rect.maxy - rect.miny; |
| 883 | |
| 884 | switch(position) { |
| 885 | case MS_UL: |
| 886 | x1 = -w - ox; |
| 887 | y1 = -oy; |
| 888 | break; |
| 889 | case MS_UC: |
| 890 | x1 = -(w/2.0); |
| 891 | y1 = -oy - MARKER_SLOP; |
| 892 | break; |
| 893 | case MS_UR: |
| 894 | x1 = ox; |
| 895 | y1 = -oy; |
| 896 | break; |
| 897 | case MS_CL: |
| 898 | x1 = -w - ox - MARKER_SLOP; |
| 899 | y1 = (h/2.0); |
| 900 | break; |
| 901 | case MS_CC: |
| 902 | x1 = -(w/2.0) + ox; |
| 903 | y1 = (h/2.0) + oy; |
| 904 | break; |
| 905 | case MS_CR: |
| 906 | x1 = ox + MARKER_SLOP; |
| 907 | y1 = (h/2.0); |
| 908 | break; |
| 909 | case MS_LL: |
| 910 | x1 = -w - ox; |
| 911 | y1 = h + oy; |
| 912 | break; |
| 913 | case MS_LC: |
| 914 | x1 = -(w/2.0); |
| 915 | y1 = h + oy + MARKER_SLOP; |
| 916 | break; |
| 917 | case MS_LR: |
| 918 | x1 = ox; |
| 919 | y1 = h + oy; |
| 920 | break; |
| 921 | } |
| 922 | |
| 923 | sin_a = sin(MS_DEG_TO_RAD*angle); |
| 924 | cos_a = cos(MS_DEG_TO_RAD*angle); |
| 925 | |
| 926 | x = x1 - rect.minx; |
| 927 | y = rect.maxy - y1; |
| 928 | q.x = p->x + (x * cos_a - (y) * sin_a); |
| 929 | q.y = p->y - (x * sin_a + (y) * cos_a); |
| 930 | |
| 931 | if(poly) { |
no test coverage detected