1 new changeset in galaxy-central: http://bitbucket.org/galaxy/galaxy-central/changeset/b53f0963bffc/ changeset: r5339:b53f0963bffc user: james_taylor date: 2011-04-05 05:27:25 summary: trackster: draw lines to indicate when line tracks overflow the visible region affected #: 1 file (1.4 KB) --- a/static/scripts/trackster.js Mon Apr 04 13:40:09 2011 -0400 +++ b/static/scripts/trackster.js Mon Apr 04 23:27:25 2011 -0400 @@ -2668,6 +2668,7 @@ this.max_value = max_value; this.color = color; this.mode = mode; + this.overflow_color = "#F66"; } LinePainter.prototype.draw = function( ctx, width, height ) { @@ -2690,14 +2691,6 @@ // Line at 0.0 if ( mode !== "Intensity" ) { - /* - ctx.beginPath(); - ctx.moveTo( 0, y_zero ); - ctx.lineTo( width, y_zero ); - // ctx.lineWidth = 0.5; - ctx.fillStyle = "#aaa"; - ctx.stroke(); - */ ctx.fillStyle = "#aaa"; ctx.fillRect( 0, y_zero, width, 1 ); } @@ -2761,6 +2754,37 @@ ctx.stroke(); } + // Draw lines at bounderies if overflowing min or max + var overflow_min_start = -1, + overflow_max_start = -1; + ctx.fillStyle = this.overflow_color; + for (var i = 0, len = data.length; i < len; i++) { + y = data[i][1]; + x_scaled = Math.round((data[i][0] - view_start) * w_scale); + x_minus_scaled = Math.round((data[i][0] - 1 - view_start) * w_scale); + + // If we are in a min/max run, check if it should be ended + if ( overflow_max_start >= 0 && ( y === null || y < max_value ) ) { + // Value does not exist or is in valid range, any overflow ends + ctx.fillRect( overflow_max_start, 0, x_minus_scaled - overflow_max_start + 1, 2 ); + overflow_max_start = -1; + } else if ( overflow_min_start >= 0 && ( y === null || y > min_value ) ) { + // Draw bottom overflow bar + ctx.fillRect( overflow_min_start, height - 2, x_minus_scaled - overflow_min_start + 1, 2 ); + overflow_min_start = -1; + } + + // Now check if we should start a new one (this may happen on the same + // base as above if switching between min/max) + if ( y !== null && y > max_value && overflow_max_start < 0 ) { + // Top overflows and we are not already in a run of overflow + overflow_max_start = x_scaled; + } else if ( y !== null && y < min_value && overflow_min_start < 0 ) { + // Bottom overflows and we are not already in a run + overflow_min_start = x_scaled; + } + } + ctx.restore(); } @@ -2806,7 +2830,7 @@ // Slot valid only if features are slotted and this feature is slotted; // feature may not be due to lack of space. slot = (slots && slots[feature_uid] !== undefined ? slots[feature_uid] : null); - + // Draw feature if there's overlap and mode is dense or feature is slotted (as it must be for all non-dense modes). if ( ( feature_start < view_end && feature_end > view_start ) && (this.mode == "Dense" || slot !== null)) { this.draw_element(ctx, this.mode, feature, slot, view_start, view_end, w_scale, y_scale, @@ -3146,7 +3170,7 @@ seq_offset = 0, gap = 0 ref_seq = this.ref_seq, - char_width_px = ctx.canvas.manager.char_width_px; + char_width_px = ctx.canvas.manager.char_width_px; // Keep list of items that need to be drawn on top of initial drawing layer. var draw_last = []; Repository URL: https://bitbucket.org/galaxy/galaxy-central/ -- This is a commit notification from bitbucket.org. You are receiving this because you have the service enabled, addressing the recipient of this email.