diff options
Diffstat (limited to 'gtk2_ardour/canvas-waveview.c')
| -rw-r--r-- | gtk2_ardour/canvas-waveview.c | 72 |
1 files changed, 69 insertions, 3 deletions
diff --git a/gtk2_ardour/canvas-waveview.c b/gtk2_ardour/canvas-waveview.c index c8e9f61332..b78bf63ea7 100644 --- a/gtk2_ardour/canvas-waveview.c +++ b/gtk2_ardour/canvas-waveview.c @@ -30,6 +30,7 @@ #include "canvas-waveview.h" #include "rgb_macros.h" + extern void c_stacktrace(); enum { @@ -49,6 +50,8 @@ enum { PROP_Y, PROP_HEIGHT, PROP_WAVE_COLOR, + PROP_CLIP_COLOR, + PROP_ZERO_COLOR, PROP_RECTIFIED, PROP_REGION_START, PROP_LOGSCALED, @@ -251,6 +254,20 @@ gnome_canvas_waveview_class_init (GnomeCanvasWaveViewClass *class) g_object_class_install_property (gobject_class, + PROP_CLIP_COLOR, + g_param_spec_uint ("clip_color", NULL, NULL, + 0, G_MAXUINT, 0, + (G_PARAM_READABLE | G_PARAM_WRITABLE))); + + g_object_class_install_property + (gobject_class, + PROP_ZERO_COLOR, + g_param_spec_uint ("zero_color", NULL, NULL, + 0, G_MAXUINT, 0, + (G_PARAM_READABLE | G_PARAM_WRITABLE))); + + g_object_class_install_property + (gobject_class, PROP_RECTIFIED, g_param_spec_boolean ("rectified", NULL, NULL, FALSE, @@ -326,6 +343,8 @@ gnome_canvas_waveview_init (GnomeCanvasWaveView *waveview) waveview->reload_cache_in_render = FALSE; waveview->wave_color = RGBA_TO_UINT(44,35,126,255); + waveview->clip_color = RGBA_TO_UINT(44,0,0,100); + waveview->zero_color = RGBA_TO_UINT(44,0,128,100); } static void @@ -797,6 +816,20 @@ gnome_canvas_waveview_set_property (GObject *object, } break; + case PROP_CLIP_COLOR: + if (waveview->clip_color != g_value_get_uint(value)) { + waveview->clip_color = g_value_get_uint(value); + redraw = TRUE; + } + break; + + case PROP_ZERO_COLOR: + if (waveview->zero_color != g_value_get_uint(value)) { + waveview->zero_color = g_value_get_uint(value); + redraw = TRUE; + } + break; + case PROP_RECTIFIED: if (waveview->rectified != g_value_get_boolean(value)) { waveview->rectified = g_value_get_boolean(value); @@ -909,6 +942,14 @@ gnome_canvas_waveview_get_property (GObject *object, g_value_set_uint (value, waveview->wave_color); break; + case PROP_CLIP_COLOR: + g_value_set_uint (value, waveview->clip_color); + break; + + case PROP_ZERO_COLOR: + g_value_set_uint (value, waveview->zero_color); + break; + case PROP_RECTIFIED: g_value_set_boolean (value, waveview->rectified); break; @@ -969,6 +1010,8 @@ gnome_canvas_waveview_update (GnomeCanvasItem *item, double *affine, ArtSVP *cli UINT_TO_RGBA (waveview->wave_color, &waveview->wave_r, &waveview->wave_g, &waveview->wave_b, &waveview->wave_a); + UINT_TO_RGBA (waveview->clip_color, &waveview->clip_r, &waveview->clip_g, &waveview->clip_b, + &waveview->clip_a); // check_cache (waveview, "end of update"); } @@ -984,6 +1027,7 @@ gnome_canvas_waveview_render (GnomeCanvasItem *item, int cache_index; double half_height; int x, end, begin; + int zbegin, zend; waveview = GNOME_CANVAS_WAVEVIEW (item); @@ -998,7 +1042,13 @@ gnome_canvas_waveview_render (GnomeCanvasItem *item, buf->is_bg = FALSE; } - begin = MAX(waveview->bbox_ulx,buf->rect.x0); + begin = MAX(waveview->bbox_ulx, buf->rect.x0); + + if (begin == waveview->bbox_ulx) { + zbegin = begin + 1; + } else { + zbegin = begin; + } if (waveview->bbox_lrx >= 0) { end = MIN(waveview->bbox_lrx,buf->rect.x1); @@ -1006,6 +1056,12 @@ gnome_canvas_waveview_render (GnomeCanvasItem *item, end = buf->rect.x1; } + if (end == waveview->bbox_lrx) { + zend = end - 1; + } else { + zend = end; + } + if (begin == end) { return; } @@ -1066,6 +1122,7 @@ gnome_canvas_waveview_render (GnomeCanvasItem *item, #define origin half_height + for (x = begin; x < end; x++) { double max, min; @@ -1126,11 +1183,11 @@ gnome_canvas_waveview_render (GnomeCanvasItem *item, } if (clip_max) { - PAINT_VERT(buf, 255, 0, 0, x, pymax, pymax+clip_length); + PAINT_VERTA(buf, waveview->clip_r, waveview->clip_g, waveview->clip_b, waveview->clip_a, x, pymax, pymax+clip_length); } if (clip_min) { - PAINT_VERT(buf, 255, 0, 0, x, pymin-clip_length, pymin); + PAINT_VERTA(buf, waveview->clip_r, waveview->clip_g, waveview->clip_b, waveview->clip_a, x, pymin-clip_length, pymin); } /* presto, we're done */ @@ -1138,6 +1195,15 @@ gnome_canvas_waveview_render (GnomeCanvasItem *item, cache_index++; } + if (!waveview->rectified) { + // Paint zeroline. + //PAINT_HORIZA(buf, waveview->zero_r, waveview->zero_g, waveview->zero_b, waveview->zero_a, begin, endi-1, origin ); + + unsigned char zero_r, zero_g, zero_b, zero_a; + UINT_TO_RGBA( waveview->zero_color, &zero_r, &zero_g, &zero_b, &zero_a ); + int zeroline_y = (int) rint ((item->y1 + origin) * item->canvas->pixels_per_unit); + PAINT_HORIZA(buf, zero_r, zero_g, zero_b, zero_a, zbegin, end, zeroline_y); + } #undef origin } |