diff options
Diffstat (limited to 'src/renderers/centerRenderer.vala')
| -rw-r--r-- | src/renderers/centerRenderer.vala | 214 |
1 files changed, 123 insertions, 91 deletions
diff --git a/src/renderers/centerRenderer.vala b/src/renderers/centerRenderer.vala index fab633e..e94714f 100644 --- a/src/renderers/centerRenderer.vala +++ b/src/renderers/centerRenderer.vala @@ -1,25 +1,25 @@ -/* -Copyright (c) 2011 by Simon Schneegans - -This program is free software: you can redistribute it and/or modify it -under the terms of the GNU General Public License as published by the Free -Software Foundation, either version 3 of the License, or (at your option) -any later version. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or -FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for -more details. - -You should have received a copy of the GNU General Public License along with -this program. If not, see <http://www.gnu.org/licenses/>. -*/ +///////////////////////////////////////////////////////////////////////// +// Copyright (c) 2011-2015 by Simon Schneegans +// +// This program is free software: you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation, either version 3 of the License, or (at +// your option) any later version. +// +// This program is distributed in the hope that it will be useful, but +// WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +// General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this program. If not, see <http://www.gnu.org/licenses/>. +///////////////////////////////////////////////////////////////////////// using GLib.Math; namespace GnomePie { -///////////////////////////////////////////////////////////////////////// +///////////////////////////////////////////////////////////////////////// /// Renders the center of a Pie. ///////////////////////////////////////////////////////////////////////// @@ -30,26 +30,26 @@ public class CenterRenderer : GLib.Object { ///////////////////////////////////////////////////////////////////// private unowned PieRenderer parent; - + ///////////////////////////////////////////////////////////////////// /// The caption drawn in the center. Changes when the active slice /// changes. ///////////////////////////////////////////////////////////////////// - + private unowned Image? caption; - + ///////////////////////////////////////////////////////////////////// /// The color of the currently active slice. Used to colorize layers. ///////////////////////////////////////////////////////////////////// - + private Color color; - + ///////////////////////////////////////////////////////////////////// /// Two AnimatedValues: alpha is for global transparency (when /// fading in/out), activity is 1.0 if there is an active slice and /// 0.0 if there is no active slice. ///////////////////////////////////////////////////////////////////// - + private AnimatedValue activity; private AnimatedValue alpha; @@ -64,22 +64,22 @@ public class CenterRenderer : GLib.Object { this.color = new Color(); this.caption = null; } - + ///////////////////////////////////////////////////////////////////// /// Initiates the fade-out animation by resetting the targets of the /// AnimatedValues to 0.0. ///////////////////////////////////////////////////////////////////// - + public void fade_out() { this.activity.reset_target(0.0, Config.global.theme.fade_out_time); this.alpha.reset_target(0.0, Config.global.theme.fade_out_time); } - + ///////////////////////////////////////////////////////////////////// /// Should be called if the active slice of the PieRenderer changes. /// The members activity, caption and color are set accordingly. ///////////////////////////////////////////////////////////////////// - + public void set_active_slice(SliceRenderer? active_slice) { if (active_slice == null) { this.activity.reset_target(0.0, Config.global.theme.transition_time); @@ -89,104 +89,136 @@ public class CenterRenderer : GLib.Object { this.color = active_slice.color; } } - + ///////////////////////////////////////////////////////////////////// /// Draws all center layers and the caption. ///////////////////////////////////////////////////////////////////// - - public void draw(double frame_time, Cairo.Context ctx, double angle, double distance) { + + public void draw(double frame_time, Cairo.Context ctx, double angle, int slice_track) { // get all center_layers - var layers = Config.global.theme.center_layers; - + var layers = Config.global.theme.center_layers; + // update the AnimatedValues this.activity.update(frame_time); this.alpha.update(frame_time); - - // draw each layer - foreach (var layer in layers) { - ctx.save(); + + // draw each layer + foreach (var layer in layers) { + ctx.save(); // calculate all values needed for animation/drawing - double active_speed = (layer.active_rotation_mode == CenterLayer.RotationMode.TO_MOUSE) ? + double active_speed = (layer.active_rotation_mode == CenterLayer.RotationMode.TO_MOUSE) ? 0.0 : layer.active_rotation_speed; - double inactive_speed = (layer.inactive_rotation_mode == CenterLayer.RotationMode.TO_MOUSE) ? + double inactive_speed = (layer.inactive_rotation_mode == CenterLayer.RotationMode.TO_MOUSE) ? 0.0 : layer.inactive_rotation_speed; - double max_scale = layer.active_scale*this.activity.val - + layer.inactive_scale*(1.0-this.activity.val); - double max_alpha = layer.active_alpha*this.activity.val + double max_scale = layer.active_scale*this.activity.val + + layer.inactive_scale*(1.0-this.activity.val); + double max_alpha = layer.active_alpha*this.activity.val + layer.inactive_alpha*(1.0-this.activity.val); - double colorize = ((layer.active_colorize == true) ? this.activity.val : 0.0) + double colorize = ((layer.active_colorize == true) ? this.activity.val : 0.0) + ((layer.inactive_colorize == true) ? 1.0 - this.activity.val : 0.0); - double max_rotation_speed = active_speed*this.activity.val + double max_rotation_speed = active_speed*this.activity.val + inactive_speed*(1.0-this.activity.val); - CenterLayer.RotationMode rotation_mode = ((this.activity.val > 0.5) ? + CenterLayer.RotationMode rotation_mode = ((this.activity.val > 0.5) ? layer.active_rotation_mode : layer.inactive_rotation_mode); - - if (rotation_mode == CenterLayer.RotationMode.TO_MOUSE) { - double diff = angle-layer.rotation; - max_rotation_speed = layer.active_rotation_speed*this.activity.val - + layer.inactive_rotation_speed*(1.0-this.activity.val); - double smoothy = fabs(diff) < 0.9 ? fabs(diff) + 0.1 : 1.0; - double step = max_rotation_speed*frame_time*smoothy; - + + if (rotation_mode == CenterLayer.RotationMode.TO_MOUSE) { + double diff = angle-layer.rotation; + max_rotation_speed = layer.active_rotation_speed*this.activity.val + + layer.inactive_rotation_speed*(1.0-this.activity.val); + double smoothy = fabs(diff) < 0.9 ? fabs(diff) + 0.1 : 1.0; + double step = max_rotation_speed*frame_time*smoothy; + if (fabs(diff) <= step || fabs(diff) >= 2.0*PI - step) - layer.rotation = angle; - else { - if ((diff > 0 && diff < PI) || diff < -PI) layer.rotation += step; - else layer.rotation -= step; + layer.rotation = angle; + else { + if ((diff > 0 && diff < PI) || diff < -PI) layer.rotation += step; + else layer.rotation -= step; } - - } else if (rotation_mode == CenterLayer.RotationMode.TO_ACTIVE) { - max_rotation_speed *= this.activity.val; - - double slice_angle = parent.slice_count() > 0 ? 2*PI/parent.slice_count() : 0; - double direction = (int)((angle+0.5*slice_angle) / (slice_angle))*slice_angle; - double diff = direction-layer.rotation; - double step = max_rotation_speed*frame_time; - + + } else if (rotation_mode == CenterLayer.RotationMode.TO_ACTIVE) { + max_rotation_speed *= this.activity.val; + + double slice_angle = parent.total_slice_count > 0 ? 2*PI/parent.total_slice_count : 0; + double direction = (int)((angle+0.5*slice_angle) / (slice_angle))*slice_angle; + double diff = direction-layer.rotation; + double step = max_rotation_speed*frame_time; + if (fabs(diff) <= step || fabs(diff) >= 2.0*PI - step) - layer.rotation = direction; - else { - if ((diff > 0 && diff < PI) || diff < -PI) layer.rotation += step; - else layer.rotation -= step; + layer.rotation = direction; + else { + if ((diff > 0 && diff < PI) || diff < -PI) layer.rotation += step; + else layer.rotation -= step; } - - } else layer.rotation += max_rotation_speed*frame_time; - - layer.rotation = fmod(layer.rotation+2*PI, 2*PI); - - if (colorize > 0.0) ctx.push_group(); - - // transform the context - ctx.rotate(layer.rotation); - ctx.scale(max_scale, max_scale); - - // paint the layer - layer.image.paint_on(ctx, this.alpha.val*max_alpha); - + + } else layer.rotation += max_rotation_speed*frame_time; + + layer.rotation = fmod(layer.rotation+2*PI, 2*PI); + + if (colorize > 0.0) ctx.push_group(); + + // transform the context + ctx.rotate(layer.rotation); + ctx.scale(max_scale, max_scale); + + // paint the layer + layer.image.paint_on(ctx, this.alpha.val*max_alpha); + // colorize it, if necessary if (colorize > 0.0) { ctx.set_operator(Cairo.Operator.ATOP); ctx.set_source_rgb(this.color.r, this.color.g, this.color.b); ctx.paint_with_alpha(colorize); - + ctx.set_operator(Cairo.Operator.OVER); ctx.pop_group_to_source(); - ctx.paint(); - } - + ctx.paint(); + } + ctx.restore(); } - + // draw caption if (Config.global.theme.caption && caption != null && this.activity.val > 0) { - ctx.save(); + ctx.save(); ctx.identity_matrix(); - int pos = this.parent.size/2; - ctx.translate(pos, (int)(Config.global.theme.caption_position) + pos); + ctx.translate(this.parent.center_x, (int)(Config.global.theme.caption_position) + this.parent.center_y); caption.paint_on(ctx, this.activity.val*this.alpha.val); ctx.restore(); } + + //scroll pie + if (this.alpha.val > 0.1 + && this.parent.original_visible_slice_count < this.parent.slice_count() + && this.parent.original_visible_slice_count > 0) { + int np= (this.parent.slice_count()+this.parent.original_visible_slice_count -1)/this.parent.original_visible_slice_count; + int cp= this.parent.first_slice_idx / this.parent.original_visible_slice_count; + int r= 8; //circle radious + int dy= 20; //distance between circles + double a= 0.8 * this.alpha.val; + int dx= (int)Config.global.theme.center_radius + r + 10; + if (this.parent.center_x + dx > this.parent.size_w) + dx= -dx; //no right side, put scroll in the left size + ctx.save(); + ctx.identity_matrix(); + ctx.translate(this.parent.center_x + dx, this.parent.center_y - (np-1)*dy/2); + for (int i=0; i<np; i++) { + ctx.arc( 0, 0, r, 0, 2*PI ); + if (i == cp){ + ctx.set_source_rgba(0.3,0.3,0.3, a); //light gray stroke + ctx.stroke_preserve(); + ctx.set_source_rgba(1,1,1, a); //white fill + ctx.fill(); //current + } else { + ctx.set_source_rgba(1,1,1, a); //white stroke + ctx.stroke_preserve(); + ctx.set_source_rgba(0.3,0.3,0.3, a/4); //light gray fill + ctx.fill(); //current + } + ctx.translate(0, dy); + } + ctx.restore(); + } } } |