iqbalrifai
/
Aegisub
mirror of https://github.com/odrling/Aegisub
1
0
Fork 0
Code Issues Releases Wiki Activity
Aegisub/aegisub/visual_tool_vector_clip.cpp

504 lines
13 KiB
C++
Raw Blame History

// 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
//
///////////
// Headers
#include "config.h"
#include "visual_tool_vector_clip.h"
#include "ass_dialogue.h"
///////
// IDs
enum {
BUTTON_DRAG = VISUAL_SUB_TOOL_START,
BUTTON_LINE,
BUTTON_BICUBIC,
BUTTON_CONVERT,
BUTTON_INSERT,
BUTTON_REMOVE,
BUTTON_FREEHAND,
BUTTON_FREEHAND_SMOOTH,
BUTTON_LAST // Leave this at the end and don't use it
};
///////////////
// Constructor
VisualToolVectorClip::VisualToolVectorClip(VideoDisplay *parent,wxToolBar *_toolBar)
: VisualTool(parent)
{
DoRefresh();
mode = 0;
// Create toolbar
toolBar = _toolBar;
toolBar->AddTool(BUTTON_DRAG,_("Drag"),wxBITMAP(visual_vector_clip_drag),_("Drag control points."),wxITEM_CHECK);
toolBar->AddTool(BUTTON_LINE,_("Line"),wxBITMAP(visual_vector_clip_line),_("Appends a line."),wxITEM_CHECK);
toolBar->AddTool(BUTTON_BICUBIC,_("Bicubic"),wxBITMAP(visual_vector_clip_bicubic),_("Appends a bezier bicubic curve."),wxITEM_CHECK);
toolBar->AddSeparator();
toolBar->AddTool(BUTTON_CONVERT,_("Convert"),wxBITMAP(visual_vector_clip_convert),_("Converts a segment between line and bicubic."),wxITEM_CHECK);
toolBar->AddTool(BUTTON_INSERT,_("Insert"),wxBITMAP(visual_vector_clip_insert),_("Inserts a control point."),wxITEM_CHECK);
toolBar->AddTool(BUTTON_REMOVE,_("Remove"),wxBITMAP(visual_vector_clip_remove),_("Removes a control point."),wxITEM_CHECK);
toolBar->AddSeparator();
toolBar->AddTool(BUTTON_FREEHAND,_("Freehand"),wxBITMAP(visual_vector_clip_freehand),_("Draws a freehand shape."),wxITEM_CHECK);
toolBar->AddTool(BUTTON_FREEHAND_SMOOTH,_("Freehand smooth"),wxBITMAP(visual_vector_clip_freehand_smooth),_("Draws a smoothed freehand shape."),wxITEM_CHECK);
toolBar->ToggleTool(BUTTON_DRAG,true);
toolBar->Realize();
toolBar->Show(true);
// Set default mode
PopulateFeatureList();
if (features.size() == 0) SetMode(1);
}
////////////////////
// Sub-tool pressed
void VisualToolVectorClip::OnSubTool(wxCommandEvent &event) {
SetMode(event.GetId() - BUTTON_DRAG);
}
////////////
// Set mode
void VisualToolVectorClip::SetMode(int _mode) {
// Make sure clicked is checked and everything else isn't. (Yes, this is radio behavior, but the separators won't let me use it)
for (int i=BUTTON_DRAG;i<BUTTON_LAST;i++) {
toolBar->ToggleTool(i,i == _mode + BUTTON_DRAG);
}
mode = _mode;
}
//////////
// Update
void VisualToolVectorClip::Update() {
GetParent()->Render();
}
////////
// Draw
void VisualToolVectorClip::Draw() {
// Get line
AssDialogue *line = GetActiveDialogueLine();
if (!line) return;
// Parse vector
std::vector<Vector2D> points;
std::vector<int> pointCurve;
spline.GetPointList(points,pointCurve);
// Draw stencil mask
glEnable(GL_STENCIL_TEST);
glColorMask(0,0,0,0);
glStencilFunc(GL_NEVER,1,1);
glStencilOp(GL_INVERT,GL_INVERT,GL_INVERT);
for (size_t i=2;i<points.size();i++) {
glBegin(GL_TRIANGLES);
glVertex2f(points[0].x,points[0].y);
glVertex2f(points[i-1].x,points[i-1].y);
glVertex2f(points[i].x,points[i].y);
glEnd();
}
// Draw "outside clip" mask
glColorMask(1,1,1,1);
if (inverse) glStencilFunc(GL_EQUAL, 1, 1);
else glStencilFunc(GL_EQUAL, 0, 1);
glStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);
SetLineColour(colour[3],0.0f);
SetFillColour(wxColour(0,0,0),0.5f);
DrawRectangle(0,0,sw,sh);
glDisable(GL_STENCIL_TEST);
// Get current position information for modes 3 and 4
Vector2D pt;
int highCurve = -1;
if (mode == 3 || mode == 4) {
float t;
spline.GetClosestParametricPoint(Vector2D(mx,my),highCurve,t,pt);
}
// Draw lines
SetFillColour(colour[3],0.0f);
SetLineColour(colour[3],1.0f,2);
int col = 3;
for (size_t i=1;i<points.size();i++) {
int useCol = pointCurve[i] == highCurve && curFeature == -1 ? 2 : 3;
if (col != useCol) {
col = useCol;
SetLineColour(colour[col],1.0f,2);
}
DrawLine(points[i-1].x,points[i-1].y,points[i].x,points[i].y);
}
// Draw lines connecting the bicubic features
SetLineColour(colour[3],0.9f,1);
for (std::list<SplineCurve>::iterator cur=spline.curves.begin();cur!=spline.curves.end();cur++) {
if (cur->type == CURVE_BICUBIC) {
DrawDashedLine(cur->p1.x,cur->p1.y,cur->p2.x,cur->p2.y,6);
DrawDashedLine(cur->p3.x,cur->p3.y,cur->p4.x,cur->p4.y,6);
}
}
// Draw features
DrawAllFeatures();
// Draw preview of inserted line
if (mode == 1 || mode == 2) {
if (spline.curves.size()) {
if (mx != -1 || my != -1) {
SplineCurve *c0 = &spline.curves.front();
SplineCurve *c1 = &spline.curves.back();
DrawDashedLine(mx,my,c0->p1.x,c0->p1.y,6);
DrawDashedLine(mx,my,c1->GetEndPoint().x,c1->GetEndPoint().y,6);
}
}
}
// Draw preview of insert point
if (mode == 4) DrawCircle(pt.x,pt.y,4);
}
/////////////////////////
// Populate feature list
void VisualToolVectorClip::PopulateFeatureList() {
// Clear
features.clear();
VisualDraggableFeature feat;
// Go through each curve
bool isFirst = true;
int i = 0;
for (std::list<SplineCurve>::iterator cur=spline.curves.begin();cur!=spline.curves.end();cur++,i++) {
// First point
if (isFirst) {
isFirst = false;
feat.x = (int)cur->p1.x;
feat.y = (int)cur->p1.y;
feat.type = DRAG_SMALL_CIRCLE;
feat.value = i;
feat.value2 = 0;
features.push_back(feat);
}
// Line
if (cur->type == CURVE_LINE) {
feat.x = (int)cur->p2.x;
feat.y = (int)cur->p2.y;
feat.type = DRAG_SMALL_CIRCLE;
feat.value = i;
feat.value2 = 1;
features.push_back(feat);
}
// Bicubic
if (cur->type == CURVE_BICUBIC) {
// Current size
int size = features.size();
// Control points
feat.x = (int)cur->p2.x;
feat.y = (int)cur->p2.y;
feat.value = i;
feat.value2 = 1;
feat.brother[0] = size-1;
feat.type = DRAG_SMALL_SQUARE;
features.push_back(feat);
feat.x = (int)cur->p3.x;
feat.y = (int)cur->p3.y;
feat.value2 = 2;
feat.brother[0] = size+2;
features.push_back(feat);
// End point
feat.x = (int)cur->p4.x;
feat.y = (int)cur->p4.y;
feat.type = DRAG_SMALL_CIRCLE;
feat.value2 = 3;
features.push_back(feat);
}
}
}
/////////////
// Can drag?
bool VisualToolVectorClip::DragEnabled() {
return mode <= 4;
}
//////////
// Update
void VisualToolVectorClip::UpdateDrag(VisualDraggableFeature &feature) {
spline.MovePoint(feature.value,feature.value2,wxPoint(feature.x,feature.y));
}
//////////
// Commit
void VisualToolVectorClip::CommitDrag(VisualDraggableFeature &feature) {
if (inverse)
SetOverride(_T("\\iclip"),_T("(") + spline.EncodeToASS() + _T(")"));
else
SetOverride(_T("\\clip"),_T("(") + spline.EncodeToASS() + _T(")"));
}
/////////////////////
// Clicked a feature
void VisualToolVectorClip::ClickedFeature(VisualDraggableFeature &feature) {
// Delete a control point
if (mode == 5) {
int i = 0;
for (std::list<SplineCurve>::iterator cur=spline.curves.begin();cur!=spline.curves.end();i++,cur++) {
if (i == feature.value) {
// Update next
if (i != 0 || feature.value2 != 0) {
std::list<SplineCurve>::iterator next = cur;
next++;
if (next != spline.curves.end()) next->p1 = cur->p1;
}
// Erase and save changes
spline.curves.erase(cur);
if (inverse)
SetOverride(_T("\\iclip"),_T("(") + spline.EncodeToASS() + _T(")"));
else
SetOverride(_T("\\clip"),_T("(") + spline.EncodeToASS() + _T(")"));
curFeature = -1;
Commit(true);
return;
}
}
}
}
/////////////
// Can hold?
bool VisualToolVectorClip::HoldEnabled() {
return mode <= 4 || mode == 6 || mode == 7;
}
///////////////////
// Initialize hold
void VisualToolVectorClip::InitializeHold() {
// Insert line/bicubic
if (mode == 1 || mode == 2) {
SplineCurve curve;
// Set start position
if (spline.curves.size()) {
curve.p1 = spline.curves.back().GetEndPoint();
if (mode == 1) curve.type = CURVE_LINE;
else curve.type = CURVE_BICUBIC;
// Remove point if that's all there is
if (spline.curves.size()==1 && spline.curves.front().type == CURVE_POINT) spline.curves.clear();
}
// First point
else {
curve.p1 = Vector2D(mx,my);
curve.type = CURVE_POINT;
}
// Insert
spline.AppendCurve(curve);
}
// Convert and insert
else if (mode == 3 || mode == 4) {
// Get closest point
Vector2D pt;
int curve;
float t;
spline.GetClosestParametricPoint(Vector2D(mx,my),curve,t,pt);
// Convert
if (mode == 3) {
SplineCurve *c1 = spline.GetCurve(curve);
if (!c1) {
}
else {
if (c1->type == CURVE_LINE) {
c1->type = CURVE_BICUBIC;
c1->p4 = c1->p2;
c1->p2 = c1->p1 * 0.75 + c1->p4 * 0.25;
c1->p3 = c1->p1 * 0.25 + c1->p4 * 0.75;
}
else if (c1->type == CURVE_BICUBIC) {
c1->type = CURVE_LINE;
c1->p2 = c1->p4;
}
}
}
// Insert
else {
// Check if there is at least one curve to split
if (spline.curves.size() == 0) return;
// Split the curve
SplineCurve *c1 = spline.GetCurve(curve);
SplineCurve c2;
if (!c1) {
SplineCurve ct;
ct.type = CURVE_LINE;
ct.p1 = spline.curves.back().GetEndPoint();
ct.p2 = spline.curves.front().p1;
ct.p2 = ct.p1*(1-t) + ct.p2*t;
spline.AppendCurve(ct);
}
else {
c1->Split(*c1,c2,t);
spline.InsertCurve(c2,curve+1);
}
}
// Commit
if (inverse)
SetOverride(_T("\\iclip"),_T("(") + spline.EncodeToASS() + _T(")"));
else
SetOverride(_T("\\clip"),_T("(") + spline.EncodeToASS() + _T(")"));
Commit(true);
}
// Freehand
else if (mode == 6 || mode == 7) {
features.clear();
spline.curves.clear();
lastX = -100000;
lastY = -100000;
}
}
///////////////
// Update hold
void VisualToolVectorClip::UpdateHold() {
// Insert line
if (mode == 1) {
spline.curves.back().p2 = Vector2D(mx,my);
}
// Insert bicubic
if (mode == 2) {
SplineCurve &curve = spline.curves.back();
curve.p4 = Vector2D(mx,my);
// Control points
if (spline.curves.size() > 1) {
std::list<SplineCurve>::reverse_iterator iter = spline.curves.rbegin();
iter++;
SplineCurve &c0 = *iter;
Vector2D prevVector;
float len = (curve.p4-curve.p1).Len();
if (c0.type == CURVE_LINE) prevVector = c0.p2-c0.p1;
else prevVector = c0.p4-c0.p3;
curve.p2 = prevVector.Unit() * (0.25f*len) + curve.p1;
}
else curve.p2 = curve.p1 * 0.75 + curve.p4 * 0.25;
curve.p3 = curve.p1 * 0.25 + curve.p4 * 0.75;
}
// Freehand
if (mode == 6 || mode == 7) {
if (lastX != -100000 && lastY != -100000) {
// See if distance is enough
Vector2D delta(lastX-mx,lastY-my);
int len = (int)delta.Len();
if (mode == 6 && len < 30) return;
if (mode == 7 && len < 60) return;
// Generate curve and add it
SplineCurve curve;
curve.type = CURVE_LINE;
curve.p1 = Vector2D(lastX,lastY);
curve.p2 = Vector2D(mx,my);
spline.AppendCurve(curve);
}
lastX = mx;
lastY = my;
}
}
///////////////
// Commit hold
void VisualToolVectorClip::CommitHold() {
// Smooth spline
if (!holding && mode == 7) spline.Smooth();
// Save it
if (mode != 3 && mode != 4) {
if (inverse)
SetOverride(_T("\\iclip"),_T("(") + spline.EncodeToASS() + _T(")"));
else
SetOverride(_T("\\clip"),_T("(") + spline.EncodeToASS() + _T(")"));
}
// End freedraw
if (!holding && (mode == 6 || mode == 7)) SetMode(0);
}
///////////
// Refresh
void VisualToolVectorClip::DoRefresh() {
if (!dragging) {
// Get line
AssDialogue *line = GetActiveDialogueLine();
if (!line) return;
// Get clip vector
wxString vect;
int scale;
vect = GetLineVectorClip(line,scale,inverse);
//if (!vect.IsEmpty()) return;
spline.DecodeFromASS(vect);
PopulateFeatureList();
}
}
Reference in New Issue View Git Blame Copy Permalink