mirror of https://github.com/odrling/Aegisub
239 lines
6.4 KiB
C++
239 lines
6.4 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 "config.h"
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#include "visual_tool_rotatez.h"
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#include "subs_grid.h"
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#include "subs_edit_box.h"
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#include "ass_file.h"
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#include "ass_dialogue.h"
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#include "utils.h"
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///////////////
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// Constructor
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VisualToolRotateZ::VisualToolRotateZ(VideoDisplay *_parent)
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: VisualTool(_parent)
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{
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_parent->ShowCursor(false);
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DoRefresh();
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}
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//////////
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// Update
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void VisualToolRotateZ::Update() {
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// Render parent
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GetParent()->Render();
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}
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////////
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// Draw
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void VisualToolRotateZ::Draw() {
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// Get line to draw
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AssDialogue *line = GetActiveDialogueLine();
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if (!line) return;
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// Draw pivot
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DrawAllFeatures();
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// Radius
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int dx=0,dy=0;
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if (dragging) GetLinePosition(line,dx,dy);
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else GetLinePosition(line,dx,dy,orgx,orgy);
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int radius = (int) sqrt(double((dx-orgx)*(dx-orgx)+(dy-orgy)*(dy-orgy)));
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int oRadius = radius;
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if (radius < 50) radius = 50;
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// Pivot coordinates
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int odx = dx;
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int ody = dy;
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dx = orgx;
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dy = orgy;
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// Rotation
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float rz;
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GetLineRotation(line,rx,ry,rz);
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if (line == curDiag) rz = curAngle;
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// Get scale
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float scalX = 100.0f;
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float scalY = 100.0f;
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GetLineScale(line,scalX,scalY);
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// Get deltas
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int deltax = int(cos(rz*3.1415926536/180.0)*radius);
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int deltay = int(-sin(rz*3.1415926536/180.0)*radius);
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// Set colours
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SetLineColour(colour[0]);
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SetFillColour(colour[1],0.3f);
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// Set up the projection
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glMatrixMode(GL_MODELVIEW);
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glPushMatrix();
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glLoadIdentity();
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glTranslatef(dx,dy,-1.0f);
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float matrix[16] = { 2500, 0, 0, 0, 0, 2500, 0, 0, 0, 0, 1, 1, 0, 0, 2500, 2500 };
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glMultMatrixf(matrix);
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glScalef(1.0f,1.0f,8.0f);
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glRotatef(ry,0.0f,-1.0f,0.0f);
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glRotatef(rx,-1.0f,0.0f,0.0f);
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glScalef(scalX/100.0f,scalY/100.0f,1.0f);
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// Draw the circle
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DrawRing(0,0,radius+4,radius-4);
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// Draw markers around circle
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int markers = 6;
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float markStart = -90.0f / markers;
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float markEnd = markStart+(180.0f/markers);
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for (int i=0;i<markers;i++) {
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float angle = i*(360.0f/markers);
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DrawRing(0,0,radius+30,radius+12,radius/radius,angle+markStart,angle+markEnd);
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}
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// Draw the baseline
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SetLineColour(colour[3],1.0f,2);
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DrawLine(deltax,deltay,-deltax,-deltay);
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// Draw the connection line
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if (orgx != odx && orgy != ody) {
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double angle = atan2(double(dy-ody),double(odx-dx)) + rz*3.1415926536/180.0;
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int fx = int(cos(angle)*oRadius);
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int fy = -int(sin(angle)*oRadius);
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DrawLine(0,0,fx,fy);
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int mdx = int(cos(rz*3.1415926536/180.0)*20);
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int mdy = int(-sin(rz*3.1415926536/180.0)*20);
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DrawLine(fx-mdx,fy-mdy,fx+mdx,fy+mdy);
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}
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// Draw the rotation line
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SetLineColour(colour[0],1.0f,1);
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SetFillColour(colour[1],0.3f);
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DrawCircle(deltax,deltay,4);
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// Restore
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glPopMatrix();
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// Draw line to mouse
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if (mouseX != -1 && !dragging && GetHighlightedFeature() == -1) {
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SetLineColour(colour[0]);
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DrawLine(dx,dy,mx,my);
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}
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}
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/////////////////
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// Start holding
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void VisualToolRotateZ::InitializeHold() {
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GetLinePosition(curDiag,odx,ody,orgx,orgy);
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startAngle = atan2(double(orgy-mouseY*sh/h),double(mouseX*sw/w-orgx)) * 180.0 / 3.1415926535897932;
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GetLineRotation(curDiag,rx,ry,origAngle);
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curAngle = origAngle;
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curDiag->StripTag(_T("\\frz"));
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curDiag->StripTag(_T("\\fr"));
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}
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///////////////
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// Update hold
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void VisualToolRotateZ::UpdateHold() {
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// Find angle
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float screenAngle = atan2(double(orgy-mouseY*sh/h),double(mouseX*sw/w-orgx)) * 180.0 / 3.1415926535897932;
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curAngle = screenAngle - startAngle + origAngle;
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while (curAngle < 0.0f) curAngle += 360.0f;
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while (curAngle >= 360.0f) curAngle -= 360.0f;
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// Snap
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if (shiftDown) {
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curAngle = (float)((int)((curAngle+15.0f)/30.0f))*30.0f;
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if (curAngle == 360.0f) curAngle = 0.0f;
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}
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}
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///////////////
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// Commit hold
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void VisualToolRotateZ::CommitHold() {
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SetOverride(_T("\\frz"),PrettyFloat(wxString::Format(_T("(%0.3f)"),curAngle)));
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}
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//////////////////
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// Get \org pivot
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void VisualToolRotateZ::PopulateFeatureList() {
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// Get line
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curDiag = GetActiveDialogueLine();
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GetLinePosition(curDiag,odx,ody,orgx,orgy);
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// Set features
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features.resize(1);
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VisualDraggableFeature &feat = features.back();
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feat.x = orgx;
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feat.y = orgy;
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feat.line = curDiag;
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feat.type = DRAG_BIG_TRIANGLE;
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}
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///////////////////////////
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// Update dragging of \org
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void VisualToolRotateZ::UpdateDrag(VisualDraggableFeature &feature) {
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orgx = feature.x;
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orgy = feature.y;
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}
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///////////////////////////
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// Commit dragging of \org
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void VisualToolRotateZ::CommitDrag(VisualDraggableFeature &feature) {
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SetOverride(_T("\\org"),wxString::Format(_T("(%i,%i)"),feature.x,feature.y));
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}
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///////////
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// Refresh
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void VisualToolRotateZ::DoRefresh() {
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AssDialogue *line = GetActiveDialogueLine();
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GetLinePosition(line,odx,ody,orgx,orgy);
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GetLineRotation(line,rx,ry,curAngle);
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}
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