forked from mia/Aegisub
210 lines
6 KiB
C++
210 lines
6 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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// Aegisub Project http://www.aegisub.org/
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//
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// $Id$
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/// @file visual_tool_rotatexy.cpp
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/// @brief 3D rotation in X/Y axes visual typesetting tool
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/// @ingroup visual_ts
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#include "config.h"
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#ifndef AGI_PRE
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#include <math.h>
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#endif
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#include "ass_dialogue.h"
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#include "ass_file.h"
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#include "subs_grid.h"
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#include "utils.h"
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#include "video_context.h"
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#include "video_display.h"
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#include "visual_tool_rotatexy.h"
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VisualToolRotateXY::VisualToolRotateXY(VideoDisplay *parent, agi::Context *context, VideoState const& video, wxToolBar *)
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: VisualTool<VisualDraggableFeature>(parent, context, video)
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{
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features.resize(1);
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org = &features.back();
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org->type = DRAG_BIG_TRIANGLE;
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DoRefresh();
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}
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void VisualToolRotateXY::Draw() {
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if (!curDiag) return;
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// Pivot coordinates
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int dx=0,dy=0;
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if (dragging) GetLinePosition(curDiag,dx,dy);
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else GetLinePosition(curDiag,dx,dy,org->x,org->y);
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dx = org->x;
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dy = org->y;
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SetLineColour(colour[0]);
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SetFillColour(colour[1],0.3f);
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// Draw pivot
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DrawAllFeatures();
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// Transform grid
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glMatrixMode(GL_MODELVIEW);
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glPushMatrix();
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glLoadIdentity();
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glTranslatef(dx,dy,0.f);
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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.f,1.f,8.f);
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if (curAngleY != 0.f) glRotatef(curAngleY,0.f,-1.f,0.f);
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if (curAngleX != 0.f) glRotatef(curAngleX,-1.f,0.f,0.f);
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if (curAngleZ != 0.f) glRotatef(curAngleZ,0.f,0.f,-1.f);
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// Draw grid
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glShadeModel(GL_SMOOTH);
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SetLineColour(colour[0],0.5f,2);
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SetModeLine();
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float r = colour[0].Red()/255.f;
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float g = colour[0].Green()/255.f;
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float b = colour[0].Blue()/255.f;
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glBegin(GL_LINES);
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for (int i=0;i<11;i++) {
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float a = 1.f - abs(i-5)*0.18f;
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int pos = 20*(i-5);
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glColor4f(r,g,b,0.f);
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glVertex2i(pos,120);
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glColor4f(r,g,b,a);
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glVertex2i(pos,0);
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glVertex2i(pos,0);
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glColor4f(r,g,b,0.f);
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glVertex2i(pos,-120);
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glVertex2i(120,pos);
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glColor4f(r,g,b,a);
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glVertex2i(0,pos);
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glVertex2i(0,pos);
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glColor4f(r,g,b,0.f);
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glVertex2i(-120,pos);
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}
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glEnd();
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// Draw vectors
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SetLineColour(colour[3],1.f,2);
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SetModeLine();
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glBegin(GL_LINES);
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glVertex3f(0.f,0.f,0.f);
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glVertex3f(50.f,0.f,0.f);
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glVertex3f(0.f,0.f,0.f);
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glVertex3f(0.f,50.f,0.f);
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glVertex3f(0.f,0.f,0.f);
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glVertex3f(0.f,0.f,50.f);
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glEnd();
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// Draw arrow tops
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glBegin(GL_TRIANGLE_FAN);
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glVertex3f(60.f,0.f,0.f);
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glVertex3f(50.f,-3.f,-3.f);
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glVertex3f(50.f,3.f,-3.f);
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glVertex3f(50.f,3.f,3.f);
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glVertex3f(50.f,-3.f,3.f);
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glVertex3f(50.f,-3.f,-3.f);
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glEnd();
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glBegin(GL_TRIANGLE_FAN);
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glVertex3f(0.f,60.f,0.f);
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glVertex3f(-3.f,50.f,-3.f);
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glVertex3f(3.f,50.f,-3.f);
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glVertex3f(3.f,50.f,3.f);
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glVertex3f(-3.f,50.f,3.f);
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glVertex3f(-3.f,50.f,-3.f);
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glEnd();
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glBegin(GL_TRIANGLE_FAN);
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glVertex3f(0.f,0.f,60.f);
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glVertex3f(-3.f,-3.f,50.f);
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glVertex3f(3.f,-3.f,50.f);
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glVertex3f(3.f,3.f,50.f);
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glVertex3f(-3.f,3.f,50.f);
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glVertex3f(-3.f,-3.f,50.f);
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glEnd();
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glPopMatrix();
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glShadeModel(GL_FLAT);
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}
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bool VisualToolRotateXY::InitializeHold() {
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startAngleX = (org->y-video.y)*2.f;
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startAngleY = (video.x-org->x)*2.f;
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origAngleX = curAngleX;
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origAngleY = curAngleY;
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return true;
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}
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void VisualToolRotateXY::UpdateHold() {
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float screenAngleX = (org->y-video.y)*2.f;
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float screenAngleY = (video.x-org->x)*2.f;
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// Deltas
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float deltaX = screenAngleX - startAngleX;
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float deltaY = screenAngleY - startAngleY;
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if (shiftDown) {
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if (fabs(deltaX) >= fabs(deltaY)) deltaY = 0.f;
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else deltaX = 0.f;
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}
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// Calculate
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curAngleX = fmodf(deltaX + origAngleX + 360.f, 360.f);
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curAngleY = fmodf(deltaY + origAngleY + 360.f, 360.f);
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// Oh Snap
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if (ctrlDown) {
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curAngleX = floorf(curAngleX/30.f+.5f)*30.f;
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curAngleY = floorf(curAngleY/30.f+.5f)*30.f;
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if (curAngleX > 359.f) curAngleX = 0.f;
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if (curAngleY > 359.f) curAngleY = 0.f;
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}
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}
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void VisualToolRotateXY::CommitHold() {
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Selection sel = grid->GetSelectedSet();
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for (Selection::const_iterator cur = sel.begin(); cur != sel.end(); ++cur) {
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SetOverride(*cur, L"\\frx",wxString::Format(L"(%0.3g)",curAngleX));
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SetOverride(*cur, L"\\fry",wxString::Format(L"(%0.3g)",curAngleY));
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}
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}
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void VisualToolRotateXY::CommitDrag(feature_iterator feature) {
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int x = feature->x;
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int y = feature->y;
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parent->ToScriptCoords(&x, &y);
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SetOverride(curDiag, L"\\org",wxString::Format(L"(%i,%i)",x,y));
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}
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void VisualToolRotateXY::DoRefresh() {
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if (!curDiag) return;
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int posx, posy;
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GetLinePosition(curDiag,posx,posy,org->x,org->y);
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GetLineRotation(curDiag,curAngleX,curAngleY,curAngleZ);
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}
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