Aegisub/aegisub/src/visual_tool_clip.cpp
2011-12-05 03:22:33 +00:00

150 lines
4 KiB
C++

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