forked from mia/Aegisub
409 lines
11 KiB
C++
409 lines
11 KiB
C++
// Copyright (c) 2007, Rodrigo Braz Monteiro
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// * Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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// * Neither the name of the Aegisub Group nor the names of its contributors
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// may be used to endorse or promote products derived from this software
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// without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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//
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// -----------------------------------------------------------------------------
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//
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// AEGISUB
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//
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// Website: http://aegisub.cellosoft.com
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// Contact: mailto:zeratul@cellosoft.com
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//
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///////////
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// Headers
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#include "visual_tool_vector_clip.h"
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#include "ass_dialogue.h"
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///////
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// IDs
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enum {
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BUTTON_DRAG = VISUAL_SUB_TOOL_START,
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BUTTON_LINE,
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BUTTON_BICUBIC,
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BUTTON_CONVERT,
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BUTTON_INSERT,
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BUTTON_REMOVE,
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BUTTON_FREEHAND,
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BUTTON_FREEHAND_SMOOTH,
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BUTTON_LAST // Leave this at the end and don't use it
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};
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///////////////
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// Constructor
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VisualToolVectorClip::VisualToolVectorClip(VideoDisplay *parent,wxToolBar *_toolBar)
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: VisualTool(parent)
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{
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DoRefresh();
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mode = 0;
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// Create toolbar
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toolBar = _toolBar;
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toolBar->AddTool(BUTTON_DRAG,_("Drag"),wxBITMAP(visual_vector_clip_drag),_("Drag control points."),wxITEM_CHECK);
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toolBar->AddTool(BUTTON_LINE,_("Line"),wxBITMAP(visual_vector_clip_line),_("Appends a line."),wxITEM_CHECK);
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toolBar->AddTool(BUTTON_BICUBIC,_("Bicubic"),wxBITMAP(visual_vector_clip_bicubic),_("Appends a bezier bicubic curve."),wxITEM_CHECK);
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toolBar->AddSeparator();
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toolBar->AddTool(BUTTON_CONVERT,_("Convert"),wxBITMAP(visual_vector_clip_convert),_("Converts a segment between line and bicubic."),wxITEM_CHECK);
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toolBar->AddTool(BUTTON_INSERT,_("Insert"),wxBITMAP(visual_vector_clip_insert),_("Inserts a control point."),wxITEM_CHECK);
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toolBar->AddTool(BUTTON_REMOVE,_("Remove"),wxBITMAP(visual_vector_clip_remove),_("Removes a control point."),wxITEM_CHECK);
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toolBar->AddSeparator();
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toolBar->AddTool(BUTTON_FREEHAND,_("Freehand"),wxBITMAP(visual_vector_clip_freehand),_("Draws a freehand shape."),wxITEM_CHECK);
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toolBar->AddTool(BUTTON_FREEHAND_SMOOTH,_("Freehand smooth"),wxBITMAP(visual_vector_clip_freehand_smooth),_("Draws a smoothed freehand shape."),wxITEM_CHECK);
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toolBar->ToggleTool(BUTTON_DRAG,true);
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toolBar->Realize();
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toolBar->Show(true);
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}
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////////////////////
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// Sub-tool pressed
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void VisualToolVectorClip::OnSubTool(wxCommandEvent &event) {
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// Make sure clicked is checked and everything else isn't. (Yes, this is radio behavior, but the separators won't let me use it)
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for (int i=BUTTON_DRAG;i<BUTTON_LAST;i++) {
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toolBar->ToggleTool(i,i == event.GetId());
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}
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SetMode(event.GetId() - BUTTON_DRAG);
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}
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////////////
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// Set mode
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void VisualToolVectorClip::SetMode(int _mode) {
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mode = _mode;
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}
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//////////
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// Update
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void VisualToolVectorClip::Update() {
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GetParent()->Render();
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}
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////////
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// Draw
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void VisualToolVectorClip::Draw() {
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// Get line
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AssDialogue *line = GetActiveDialogueLine();
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if (!line) return;
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// Parse vector
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std::vector<Vector2D> points;
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spline.GetPointList(points);
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// Draw lines
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SetLineColour(colour[3],1.0f,2);
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SetFillColour(colour[3],0.0f);
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for (size_t i=1;i<points.size();i++) {
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DrawLine(points[i-1].x,points[i-1].y,points[i].x,points[i].y);
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}
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// Draw stencil mask
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glEnable(GL_STENCIL_TEST);
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glColorMask(0,0,0,0);
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glStencilFunc(GL_NEVER,1,1);
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glStencilOp(GL_INVERT,GL_INVERT,GL_INVERT);
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for (size_t i=2;i<points.size();i++) {
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glBegin(GL_TRIANGLES);
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glVertex2f(points[0].x,points[0].y);
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glVertex2f(points[i-1].x,points[i-1].y);
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glVertex2f(points[i].x,points[i].y);
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glEnd();
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}
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// Draw "outside clip" mask
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glColorMask(1,1,1,1);
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glStencilFunc(GL_EQUAL, 0, 1);
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glStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);
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SetLineColour(colour[3],0.0f);
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SetFillColour(wxColour(0,0,0),0.5f);
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DrawRectangle(0,0,sw,sh);
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glDisable(GL_STENCIL_TEST);
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// Draw features
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DrawAllFeatures();
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// Draw lines connecting the bicubic features
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SetLineColour(colour[3],0.9f,1);
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for (std::list<SplineCurve>::iterator cur=spline.curves.begin();cur!=spline.curves.end();cur++) {
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if (cur->type == CURVE_BICUBIC) {
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DrawDashedLine(cur->p1.x,cur->p1.y,cur->p2.x,cur->p2.y,6);
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DrawDashedLine(cur->p3.x,cur->p3.y,cur->p4.x,cur->p4.y,6);
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}
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}
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// Draw preview of inserted line
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if (mode == 1 || mode == 2) {
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if (spline.curves.size()) {
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SplineCurve *c0 = &spline.curves.front();
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SplineCurve *c1 = &spline.curves.back();
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DrawDashedLine(mx,my,c0->p1.x,c0->p1.y,6);
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DrawDashedLine(mx,my,c1->GetEndPoint().x,c1->GetEndPoint().y,6);
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}
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}
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// Draw preview of insert point
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if (mode == 4) {
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Vector2D p1 = spline.GetClosestPoint(Vector2D(mx,my));
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DrawCircle(p1.x,p1.y,4);
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}
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}
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/////////////////////////
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// Populate feature list
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void VisualToolVectorClip::PopulateFeatureList() {
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// Clear
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features.clear();
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VisualDraggableFeature feat;
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// Go through each curve
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bool isFirst = true;
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int i = 0;
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for (std::list<SplineCurve>::iterator cur=spline.curves.begin();cur!=spline.curves.end();cur++,i++) {
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// First point
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if (isFirst) {
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isFirst = false;
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feat.x = cur->p1.x;
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feat.y = cur->p1.y;
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feat.type = DRAG_SMALL_CIRCLE;
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feat.value = i;
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feat.value2 = 0;
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features.push_back(feat);
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}
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// Line
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if (cur->type == CURVE_LINE) {
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feat.x = cur->p2.x;
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feat.y = cur->p2.y;
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feat.type = DRAG_SMALL_CIRCLE;
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feat.value = i;
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feat.value2 = 1;
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features.push_back(feat);
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}
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// Bicubic
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if (cur->type == CURVE_BICUBIC) {
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// Current size
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int size = features.size();
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// Control points
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feat.x = cur->p2.x;
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feat.y = cur->p2.y;
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feat.value = i;
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feat.value2 = 1;
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feat.brother[0] = size-1;
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feat.type = DRAG_SMALL_SQUARE;
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features.push_back(feat);
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feat.x = cur->p3.x;
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feat.y = cur->p3.y;
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feat.value2 = 2;
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feat.brother[0] = size+2;
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features.push_back(feat);
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// End point
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feat.x = cur->p4.x;
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feat.y = cur->p4.y;
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feat.type = DRAG_SMALL_CIRCLE;
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feat.value2 = 3;
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features.push_back(feat);
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}
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}
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}
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/////////////
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// Can drag?
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bool VisualToolVectorClip::DragEnabled() {
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return mode <= 2;
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}
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//////////
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// Update
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void VisualToolVectorClip::UpdateDrag(VisualDraggableFeature &feature) {
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spline.MovePoint(feature.value,feature.value2,wxPoint(feature.x,feature.y));
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}
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//////////
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// Commit
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void VisualToolVectorClip::CommitDrag(VisualDraggableFeature &feature) {
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SetOverride(_T("\\clip"),_T("(") + spline.EncodeToASS() + _T(")"));
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}
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/////////////////////
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// Clicked a feature
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void VisualToolVectorClip::ClickedFeature(VisualDraggableFeature &feature) {
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// Delete a control point
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if (mode == 5) {
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int i = 0;
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for (std::list<SplineCurve>::iterator cur=spline.curves.begin();cur!=spline.curves.end();i++,cur++) {
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if (i == feature.value) {
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// Update next
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if (i != 0 || feature.value2 != 0) {
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std::list<SplineCurve>::iterator next = cur;
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next++;
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if (next != spline.curves.end()) next->p1 = cur->p1;
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}
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// Erase and save changes
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spline.curves.erase(cur);
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SetOverride(_T("\\clip"),_T("(") + spline.EncodeToASS() + _T(")"));
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curFeature = -1;
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Commit(true);
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return;
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}
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}
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}
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}
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/////////////
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// Can hold?
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bool VisualToolVectorClip::HoldEnabled() {
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return mode == 1 || mode == 2 || mode == 6 || mode == 7;
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}
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///////////////////
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// Initialize hold
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void VisualToolVectorClip::InitializeHold() {
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// Insert line/bicubic
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if (mode == 1 || mode == 2) {
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SplineCurve curve;
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// Set start position
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if (spline.curves.size()) {
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curve.p1 = spline.curves.back().GetEndPoint();
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if (mode == 1) curve.type = CURVE_LINE;
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else curve.type = CURVE_BICUBIC;
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// Remove point if that's all there is
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if (spline.curves.size()==1 && spline.curves.front().type == CURVE_POINT) spline.curves.clear();
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}
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// First point
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else {
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curve.p1 = Vector2D(mx,my);
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curve.type = CURVE_POINT;
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}
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// Insert
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spline.AppendCurve(curve);
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}
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// Freehand
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if (mode == 6 || mode == 7) {
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spline.curves.clear();
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lastX = -100000;
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lastY = -100000;
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}
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}
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///////////////
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// Update hold
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void VisualToolVectorClip::UpdateHold() {
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// Insert line
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if (mode == 1) {
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spline.curves.back().p2 = Vector2D(mx,my);
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}
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// Insert bicubic
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if (mode == 2) {
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SplineCurve &curve = spline.curves.back();
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curve.p4 = Vector2D(mx,my);
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// Control points
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if (spline.curves.size() > 1) {
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std::list<SplineCurve>::reverse_iterator iter = spline.curves.rbegin();
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iter++;
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SplineCurve &c0 = *iter;
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Vector2D prevVector;
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float len = (curve.p4-curve.p1).Len();
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if (c0.type == CURVE_LINE) prevVector = c0.p2-c0.p1;
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else prevVector = c0.p4-c0.p3;
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curve.p2 = prevVector.Unit() * (0.25f*len) + curve.p1;
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}
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else curve.p2 = curve.p1 * 0.75 + curve.p4 * 0.25;
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curve.p3 = curve.p1 * 0.25 + curve.p4 * 0.75;
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}
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// Freehand
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if (mode == 6 || mode == 7) {
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if (lastX != -100000 && lastY != -100000) {
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// See if distance is enough
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Vector2D delta(lastX-mx,lastY-my);
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int len = (int)delta.Len();
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if (mode == 6 && len < 30) return;
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if (mode == 7 && len < 60) return;
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// Generate curve and add it
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SplineCurve curve;
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curve.type = CURVE_LINE;
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curve.p1 = Vector2D(lastX,lastY);
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curve.p2 = Vector2D(mx,my);
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spline.AppendCurve(curve);
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}
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lastX = mx;
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lastY = my;
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}
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}
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///////////////
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// Commit hold
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void VisualToolVectorClip::CommitHold() {
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// Smooth spline
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if (!holding && mode == 7) spline.Smooth();
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// Save it
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SetOverride(_T("\\clip"),_T("(") + spline.EncodeToASS() + _T(")"));
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}
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///////////
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// Refresh
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void VisualToolVectorClip::DoRefresh() {
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if (!dragging) {
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// Get line
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AssDialogue *line = GetActiveDialogueLine();
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if (!line) return;
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// Get clip vector
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wxString vect;
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int scale;
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vect = GetLineVectorClip(line,scale);
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//if (!vect.IsEmpty()) return;
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spline.DecodeFromASS(vect);
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PopulateFeatureList();
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}
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}
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