diff options
Diffstat (limited to 'noao/imred/dtoi/hdicfit/hdicgredraw.x')
| -rw-r--r-- | noao/imred/dtoi/hdicfit/hdicgredraw.x | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/noao/imred/dtoi/hdicfit/hdicgredraw.x b/noao/imred/dtoi/hdicfit/hdicgredraw.x new file mode 100644 index 00000000..d42a0740 --- /dev/null +++ b/noao/imred/dtoi/hdicfit/hdicgredraw.x @@ -0,0 +1,22 @@ +include <gset.h> + +define MSIZE 2.0 + +# HD_REDRAW -- Redraw a data point. The old position marker is erased, +# the new marker drawn, and the cursor moved to the new location. + +procedure hd_redraw (gp, oldx, oldy, newx, newy) + +pointer gp # Pointer to graphics stream +real oldx # Old x coordinate +real oldy # Old y coordinate +real newx # New x coordinate +real newy # New y coordinate + +begin + call gseti (gp, G_PMLTYPE, GL_CLEAR) + call gmark (gp, oldx, oldy, GM_PLUS, MSIZE, MSIZE) + call gseti (gp, G_PMLTYPE, GL_SOLID) + call gmark (gp, newx, newy, GM_PLUS, MSIZE, MSIZE) + call gscur (gp, newx, newy) +end |