108 lines
3.2 KiB
C++
108 lines
3.2 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_feature->cpp
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/// @brief Feature on video the user can interact with using mouse
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/// @ingroup visual_ts
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///
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#include "config.h"
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#include "gl_wrap.h"
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#include "visual_feature.h"
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VisualDraggableFeature::VisualDraggableFeature()
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: type(DRAG_NONE)
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, x(INT_MIN)
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, y(INT_MIN)
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, origX(INT_MIN)
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, origY(INT_MIN)
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, layer(0)
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, line(NULL)
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{
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}
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bool VisualDraggableFeature::IsMouseOver(int mx,int my) const {
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switch (type) {
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case DRAG_BIG_SQUARE:
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return !(mx < x-8 || mx > x+8 || my < y-8 || my > y+8);
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case DRAG_BIG_CIRCLE: {
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int dx = mx-x;
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int dy = my-y;
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return dx*dx + dy*dy <= 64;
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}
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case DRAG_BIG_TRIANGLE: {
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int _my = my+2;
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if (_my < y-8 || _my > y+8) return false;
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int dx = mx-x;
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int dy = _my-y-8;
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return (16*dx+9*dy < 0 && 16*dx-9*dy > 0);
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}
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case DRAG_SMALL_SQUARE:
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return !(mx < x-4 || mx > x+4 || my < y-4 || my > y+4);
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case DRAG_SMALL_CIRCLE: {
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int dx = mx-x;
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int dy = my-y;
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return dx*dx + dy*dy <= 16;
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}
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default:
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return false;
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}
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}
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void VisualDraggableFeature::Draw(OpenGLWrapper const& gl) const {
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switch (type) {
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case DRAG_BIG_SQUARE:
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gl.DrawRectangle(x-8,y-8,x+8,y+8);
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gl.DrawLine(x,y-16,x,y+16);
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gl.DrawLine(x-16,y,x+16,y);
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break;
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case DRAG_BIG_CIRCLE:
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gl.DrawCircle(x,y,8);
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gl.DrawLine(x,y-16,x,y+16);
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gl.DrawLine(x-16,y,x+16,y);
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break;
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case DRAG_BIG_TRIANGLE:
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gl.DrawTriangle(x-9,y-6,x+9,y-6,x,y+10);
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gl.DrawLine(x,y,x,y-16);
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gl.DrawLine(x,y,x-14,y+8);
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gl.DrawLine(x,y,x+14,y+8);
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break;
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case DRAG_SMALL_SQUARE:
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gl.DrawRectangle(x-4,y-4,x+4,y+4);
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break;
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case DRAG_SMALL_CIRCLE:
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gl.DrawCircle(x,y,4);
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break;
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default:
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break;
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}
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}
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