Aegisub/aegisub/src/visual_feature.cpp

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