forked from mia/Aegisub
150 lines
4 KiB
C++
150 lines
4 KiB
C++
// Copyright (c) 2011, Thomas Goyne <plorkyeran@aegisub.org>
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//
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// Permission to use, copy, modify, and distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice appear in all copies.
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//
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// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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//
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// Aegisub Project http://www.aegisub.org/
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//
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// $Id$
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/// @file visual_tool_clip.cpp
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/// @brief Rectangular clipping visual typesetting tool
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/// @ingroup visual_ts
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#include "config.h"
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#ifndef AGI_PRE
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#include <utility>
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#endif
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#include "visual_tool_clip.h"
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#include "utils.h"
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VisualToolClip::VisualToolClip(VideoDisplay *parent, agi::Context *context)
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: VisualTool<ClipCorner>(parent, context)
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, cur_1(0, 0)
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, cur_2(video_res)
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, inverse(false)
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{
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Feature feat;
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feat.type = DRAG_SMALL_CIRCLE;
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features.resize(4, feat);
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// This is really awkward without being able to just index the list of
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// features, so copy them into a temporary array
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ClipCorner *feats[4];
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feature_iterator cur = features.begin();
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feats[0] = &*(cur++);
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feats[1] = &*(cur++);
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feats[2] = &*(cur++);
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feats[3] = &*(cur++);
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// Attach each feature to the two features it shares edges with
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// Top-left
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int i = 0;
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feats[i]->horiz = feats[1];
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feats[i]->vert = feats[2];
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i++;
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// Top-right
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feats[i]->horiz = feats[0];
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feats[i]->vert = feats[3];
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i++;
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// Bottom-left
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feats[i]->horiz = feats[3];
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feats[i]->vert = feats[0];
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i++;
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// Bottom-right
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feats[i]->horiz = feats[2];
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feats[i]->vert = feats[1];
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}
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void VisualToolClip::Draw() {
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if (!active_line) return;
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DrawAllFeatures();
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// Draw rectangle
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gl.SetLineColour(colour[3], 1.0f, 2);
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gl.SetFillColour(colour[3], 0.0f);
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gl.DrawRectangle(cur_1, cur_2);
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// Draw outside area
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gl.SetLineColour(colour[3], 0.0f);
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gl.SetFillColour(*wxBLACK, 0.5f);
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if (inverse) {
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gl.DrawRectangle(cur_1, cur_2);
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}
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else {
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Vector2D v_min = video_pos;
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Vector2D v_max = video_pos + video_res;
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Vector2D c_min = cur_1.Min(cur_2);
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Vector2D c_max = cur_1.Max(cur_2);
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gl.DrawRectangle(v_min, Vector2D(v_max, c_min));
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gl.DrawRectangle(Vector2D(v_min, c_max), v_max);
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gl.DrawRectangle(Vector2D(v_min, c_min), Vector2D(c_min, c_max));
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gl.DrawRectangle(Vector2D(c_max, c_min), Vector2D(v_max, c_max));
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}
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}
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bool VisualToolClip::InitializeHold() {
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return true;
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}
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void VisualToolClip::UpdateHold() {
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// Limit to video area
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cur_1 = video_pos.Max((video_pos + video_res).Min(drag_start));
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cur_2 = video_pos.Max((video_pos + video_res).Min(mouse_pos));
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SetFeaturePositions();
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CommitHold();
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}
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void VisualToolClip::CommitHold() {
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SetOverride(active_line, inverse ? "\\iclip" : "\\clip",
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wxString::Format("(%s,%s)", ToScriptCoords(cur_1.Min(cur_2)).Str(), ToScriptCoords(cur_1.Max(cur_2)).Str()));
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}
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bool VisualToolClip::InitializeDrag(feature_iterator) {
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return true;
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}
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void VisualToolClip::UpdateDrag(feature_iterator feature) {
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// Update features which share an edge with the dragged one
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feature->horiz->pos = Vector2D(feature->horiz->pos, feature->pos);
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feature->vert->pos = Vector2D(feature->pos, feature->vert->pos);
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cur_1 = features.front().pos;
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cur_2 = features.back().pos;
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CommitHold();
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}
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void VisualToolClip::SetFeaturePositions() {
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feature_iterator it = features.begin();
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(it++)->pos = cur_1; // Top-left
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(it++)->pos = Vector2D(cur_2, cur_1); // Top-right
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(it++)->pos = Vector2D(cur_1, cur_2); // Bottom-left
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it->pos = cur_2; // Bottom-right
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}
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void VisualToolClip::DoRefresh() {
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if (active_line) {
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GetLineClip(active_line, cur_1, cur_2, inverse);
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cur_1 = FromScriptCoords(cur_1);
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cur_2 = FromScriptCoords(cur_2);
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SetFeaturePositions();
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}
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}
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