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make autoscroll a bit easier to use, fix missing measure lines when moving the editor pane, slight optimisation(?) of canvas-simplerect (seems to make a difference to me), fix dirty pixels when moving regions across tracks sometimes. some code cleanup.

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git-svn-id: svn://localhost/ardour2/trunk@885 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
Nick Mainsbridge 2006-09-02 02:54:04 +00:00
parent 9b578bfff2
commit cb17e3cc81
7 changed files with 53 additions and 71 deletions
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54
gtk2_ardour/canvas-simplerect.c
View file

@ -263,7 +263,7 @@ gnome_canvas_simplerect_reset_bounds (GnomeCanvasItem *item)
GnomeCanvasSimpleRect* simplerect;
double x1, x2, y1, y2;
double old_x1, old_x2, old_y1, old_y2;
double a, b;
double a, b, c, d;
old_x1 = item->x1;
old_y1 = item->y1;
@ -287,42 +287,24 @@ gnome_canvas_simplerect_reset_bounds (GnomeCanvasItem *item)
gnome_canvas_w2c (GNOME_CANVAS(item->canvas), x2, y2, &simplerect->bbox_lrx, &simplerect->bbox_lry);
/* now queue redraws for changed areas */
if (item->x1 != old_x1) {
/* left edge changed. redraw the area that altered */
a = MIN(item->x1, old_x1);
b = MAX(item->x1, old_x1);
gnome_canvas_request_redraw (item->canvas, a - 1, item->y1, b + 1, item->y2);
}
if (item->x2 != old_x2) {
/* right edge changed. redraw the area that altered */
a = MIN(item->x2, old_x2);
b = MAX(item->x2, old_x2);
gnome_canvas_request_redraw (item->canvas, a - 1, item->y1, b + 1, item->y2);
}
if (item->y1 != old_y1) {
/* top edge changed. redraw the area that altered */
a = MIN(item->y1, old_y1);
b = MAX(item->y1, old_y1);
gnome_canvas_request_redraw (item->canvas, item->x1, a - 1, item->x2, b + 1);
}
if (item->y2 != old_y2) {
/* lower edge changed. redraw the area that altered */
a = MIN(item->y2, old_y2);
b = MAX(item->y2, old_y2);
gnome_canvas_request_redraw (item->canvas, item->x1, a - 1, item->x2, b + 1);
}
a = MIN(a, item->x2);
a = MIN(a, old_x2);
b = MAX(b, item->x2);
b = MAX(b, old_x2);
c = MIN(item->y1, old_y1);
d = MAX(item->y1, old_y1);
c = MIN(c,item->y2);
c = MIN(c, old_y2);
d = MAX(d,item->y2);
d = MAX(d, old_y2);
gnome_canvas_request_redraw (item->canvas, a, c, b + 0.5, d + 0.5);
}
/*
@ -494,8 +476,8 @@ gnome_canvas_simplerect_update (GnomeCanvasItem *item, double *affine, ArtSVP *c
gnome_canvas_request_redraw (item->canvas,
simplerect->bbox_ulx,
simplerect->bbox_uly,
simplerect->bbox_lrx+1,
simplerect->bbox_lry+1);
simplerect->bbox_lrx+0.5,
simplerect->bbox_lry+0.5);
simplerect->full_draw_on_update = FALSE;
}