X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=gtk2_ardour%2Fcanvas-simplerect.c;h=6ad0c791f887b4753a12ee5cbfe74642816d2e1b;hb=162c48b84381335ff90fe64b5324467693dee736;hp=d50943f0c3dfc55ba9b3868898eabb0f8d483d3b;hpb=767984b486086e3682e521179c2fb8364b3bba76;p=ardour.git diff --git a/gtk2_ardour/canvas-simplerect.c b/gtk2_ardour/canvas-simplerect.c index d50943f0c3..6ad0c791f8 100644 --- a/gtk2_ardour/canvas-simplerect.c +++ b/gtk2_ardour/canvas-simplerect.c @@ -1,5 +1,6 @@ #include #include +#include #include #include "canvas-simplerect.h" @@ -287,7 +288,7 @@ gnome_canvas_simplerect_reset_bounds (GnomeCanvasItem *item) gnome_canvas_w2c (GNOME_CANVAS(item->canvas), x1, y1, &simplerect->bbox_ulx, &simplerect->bbox_uly); gnome_canvas_w2c (GNOME_CANVAS(item->canvas), x2, y2, &simplerect->bbox_lrx, &simplerect->bbox_lry); - /* now queue redraws for changed areas */ + /* now queue redraws for changed areas */ if (item->x1 == old_x1 && item->x2 == old_x2) { @@ -369,6 +370,8 @@ gnome_canvas_simplerect_set_property (GObject *object, GParamSpec *pspec) { + (void) pspec; + GnomeCanvasSimpleRect *simplerect; int update = FALSE; int bounds_changed = FALSE; @@ -714,17 +717,119 @@ gnome_canvas_simplerect_render (GnomeCanvasItem *item, static void gnome_canvas_simplerect_draw (GnomeCanvasItem *item, - GdkDrawable *drawable, - int x, int y, - int width, int height) + GdkDrawable *drawable, + int x, int y, + int width, int height) { - fprintf (stderr, "please don't use the CanvasSimpleRect item in a non-aa Canvas\n"); - abort (); + GnomeCanvasSimpleRect *simplerect; + cairo_t* cr; + double ulx; + double uly; + double lrx; + double lry; + + simplerect = GNOME_CANVAS_SIMPLERECT (item); + + cr = gdk_cairo_create (drawable); + + if (x > simplerect->bbox_ulx) { + ulx = x; + } else { + ulx = simplerect->bbox_ulx; + } + + if (y > simplerect->bbox_uly) { + uly = y; + } else { + uly = simplerect->bbox_uly; + } + + if (x + width > simplerect->bbox_lrx) { + lrx = simplerect->bbox_lrx; + } else { + lrx = x + width; + } + + if (y + height > simplerect->bbox_lry) { + lry = simplerect->bbox_lry; + } else { + lry = y + height; + } + + ulx -= x; + uly -= y; + lrx -= x; + lry -= y; + + cairo_rectangle (cr, ulx, uly, lrx - ulx, lry - uly); + + if (simplerect->fill) { + cairo_set_source_rgba (cr, + simplerect->fill_r/255.0, + simplerect->fill_g/255.0, + simplerect->fill_b/255.0, + simplerect->fill_a/255.0); + cairo_fill (cr); + } + + if (simplerect->outline_what && simplerect->outline_pixels) { + +#define x_in_range(a) (x <= (a) && (a) < x + width) +#define y_in_range(a) (y <= (a) && (a) < y + height) + + cairo_set_line_width (cr, simplerect->outline_pixels); + + cairo_set_source_rgb (cr, + simplerect->outline_r/255.0, + simplerect->outline_g/255.0, + simplerect->outline_b/255.0); + + if (simplerect->outline_what & 0x1) { + /* left edge, if visible */ + if (x_in_range (simplerect->bbox_ulx)) { + cairo_move_to (cr, ulx+0.5, uly+0.5); + cairo_line_to (cr, ulx+0.5, lry+0.5); + cairo_stroke (cr); + } + } + + if (simplerect->outline_what & 0x2) { + /* right edge, if visible */ + if (x_in_range (simplerect->bbox_lrx)) { + cairo_move_to (cr, lrx+0.5, uly+0.5); + cairo_line_to (cr, lrx+0.5, lry+0.5); + cairo_stroke (cr); + } + } + + if (simplerect->outline_what & 0x4) { + /* top edge */ + if (y_in_range (simplerect->bbox_uly)) { + cairo_move_to (cr, ulx+0.5, uly+0.5); + cairo_line_to (cr, lrx+0.5, uly+0.5); + cairo_stroke (cr); + } + } + + if (simplerect->outline_what & 0x8) { + /* bottom edge */ + if (y_in_range (simplerect->bbox_lry)) { + cairo_move_to (cr, ulx+0.5, lry+0.5); + cairo_line_to (cr, lrx+0.5, lry+0.5); + cairo_stroke (cr); + } + } + } + + cairo_destroy (cr); } static double gnome_canvas_simplerect_point (GnomeCanvasItem *item, double x, double y, int cx, int cy, GnomeCanvasItem **actual_item) { + (void) cx; + (void) cy; + GnomeCanvasSimpleRect *simplerect; double x1, y1, x2, y2; double dx, dy;