ART Ruler mark.
Members:
| IG_ARTX_ruler_aspectratio_get | Queries attributes ruler aspect ratio. |
| IG_ARTX_ruler_aspectratio_set | Updates attributes of ruler aspect ratio. |
| IG_ARTX_ruler_bounds_get | Queries the bounding rectangle of annotation. |
| IG_ARTX_ruler_create | Creates a new instance of ruler annotation (HIG_ARTX_MARK_RULER). |
| IG_ARTX_ruler_endline_length_get | Queries the length of ruler end point touch. |
| IG_ARTX_ruler_endline_length_set | Updates the length of ruler end point touch. |
| IG_ARTX_ruler_endpoint_get | Queries ruler end point. |
| IG_ARTX_ruler_endpoint_set | Updates ruler end point position. |
| IG_ARTX_ruler_font_get | Queries button text font. |
| IG_ARTX_ruler_font_set | Updates annotation font. |
| IG_ARTX_ruler_label_get | Queries annotation label string. |
| IG_ARTX_ruler_label_set | Updates annotation label. |
| IG_ARTX_ruler_line_get | Queries attributes of line used to draw the annotation. |
| IG_ARTX_ruler_line_set | Sets attributes of line used to draw the annotation. |
| IG_ARTX_ruler_logfont_get | Queries annotation text font. |
| IG_ARTX_ruler_logfont_set | Updates button text font. |
| IG_ARTX_ruler_opacity_get | Queries the opacity value of annotation. |
| IG_ARTX_ruler_opacity_set | Sets the opacity value of annotation. |
| IG_ARTX_ruler_precision_get | Queries the precision of ruler length displayed. |
| IG_ARTX_ruler_precision_set | Updates the precision of ruler length displayed. |
| IG_ARTX_ruler_startline_length_get | Queries the length of ruler start point touch. |
| IG_ARTX_ruler_startline_length_set | Updates the length of ruler start point touch. |
| IG_ARTX_ruler_startpoint_get | Queries ruler start point. |
| IG_ARTX_ruler_startpoint_set | Updates ruler start point position. |