Aegisub/aegisub/visual_tool_drag.cpp

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// Copyright (c) 2007, Rodrigo Braz Monteiro
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
// * Neither the name of the Aegisub Group nor the names of its contributors
// may be used to endorse or promote products derived from this software
// without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//
// -----------------------------------------------------------------------------
//
// AEGISUB
//
// Website: http://aegisub.cellosoft.com
// Contact: mailto:zeratul@cellosoft.com
//
#pragma once
///////////
// Headers
#include "visual_tool_drag.h"
#include "subs_grid.h"
#include "subs_edit_box.h"
#include "ass_file.h"
#include "ass_dialogue.h"
#include "utils.h"
#include "vfr.h"
///////////////
// Constructor
VisualToolDrag::VisualToolDrag(VideoDisplay *_parent)
: VisualTool(_parent)
{
_parent->ShowCursor(false);
}
//////////
// Update
void VisualToolDrag::Update() {
// Render parent
GetParent()->Render();
}
////////
// Draw
void VisualToolDrag::Draw() {
DrawAllFeatures();
// Draw arrows
for (size_t i=0;i<features.size();i++) {
if (features[i].brother[0] != -1 && features[i].type == DRAG_BIG_SQUARE) {
// Get features
VisualDraggableFeature *p1,*p2;
p1 = &features[i];
p2 = &features[p1->brother[0]];
// See if the distance between them is at least 30 pixels
int dx = p2->x - p1->x;
int dy = p2->y - p1->y;
int dist = (int)sqrt(double(dx*dx + dy*dy));
if (dist < 30) continue;
// Get end points
int x1 = p1->x + dx*10/dist;
int x2 = p2->x - dx*20/dist;
int y1 = p1->y + dy*10/dist;
int y2 = p2->y - dy*20/dist;
// Draw line
SetLineColour(colour[3],0.8f,2);
DrawLine(x1,y1,x2,y2);
// Draw arrow
double angle = atan2(double(y2-y1),double(x2-x1))+1.570796;
int sx = int(cos(angle)*4);
int sy = int(-sin(angle)*4);
DrawLine(x2+sx,y2-sy,x2-sx,y2+sy);
DrawLine(x2+sx,y2-sy,x2+dx*10/dist,y2+dy*10/dist);
DrawLine(x2-sx,y2+sy,x2+dx*10/dist,y2+dy*10/dist);
}
}
}
/////////////////
// Populate list
void VisualToolDrag::PopulateFeatureList() {
// Clear features
features.clear();
// Get video data
int numRows = VideoContext::Get()->grid->GetRows();
int framen = VideoContext::Get()->GetFrameN();
// For each line
AssDialogue *diag;
for (int i=numRows;--i>=0;) {
diag = VideoContext::Get()->grid->GetDialogue(i);
if (diag) {
// Line visible?
int f1 = VFR_Output.GetFrameAtTime(diag->Start.GetMS(),true);
int f2 = VFR_Output.GetFrameAtTime(diag->End.GetMS(),false);
if (f1 <= framen && f2 >= framen) {
// Get position
int x1,x2,y1,y2;
int t1=0;
int t2=diag->End.GetMS()-diag->Start.GetMS();
int torgx,torgy;
bool hasMove;
GetLinePosition(diag,x1,y1,torgx,torgy);
GetLineMove(diag,hasMove,x1,y1,x2,y2,t1,t2);
// Create \pos feature
VisualDraggableFeature feat;
feat.x = x1;
feat.y = y1;
feat.layer = 0;
feat.type = DRAG_BIG_SQUARE;
feat.value = t1;
feat.line = diag;
feat.lineN = i;
features.push_back(feat);
// Create move destination feature
if (hasMove) {
feat.x = x2;
feat.y = y2;
feat.layer = 1;
feat.type = DRAG_BIG_CIRCLE;
feat.value = t2;
feat.line = diag;
feat.lineN = i;
features.push_back(feat);
// Add each other as brothers.
int n = features.size();
features[n-1].brother[0] = n-2;
features[n-2].brother[0] = n-1;
}
}
}
}
}
//////////////////
// Start dragging
void VisualToolDrag::InitializeDrag(VisualDraggableFeature &feature) {
}
///////////////
// Update drag
void VisualToolDrag::UpdateDrag(VisualDraggableFeature &feature) {
// Update "value" to reflect the time of the frame in which the feature is being dragged
int time = VFR_Output.GetTimeAtFrame(frame_n,true,true);
feature.value = MID(0,time - feature.line->Start.GetMS(),feature.line->End.GetMS()-feature.line->Start.GetMS());
}
///////////////
// Commit drag
void VisualToolDrag::CommitDrag(VisualDraggableFeature &feature) {
// Position
if (feature.brother[0] == -1) {
SetOverride(_T("\\pos"),wxString::Format(_T("(%i,%i)"),feature.x,feature.y));
}
// Move
else {
// Get source on p1 and dest on p2
VisualDraggableFeature *p1,*p2;
p1 = &feature;
if (p1->type == DRAG_BIG_CIRCLE) p1 = &features[p1->brother[0]];
p2 = &features[p1->brother[0]];
// Set override
SetOverride(_T("\\move"),wxString::Format(_T("(%i,%i,%i,%i,%i,%i)"),p1->x,p1->y,p2->x,p2->y,p1->value,p2->value));
}
}