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
///
///////////
// Headers
#include "config.h"
#include "visual_feature.h"
#include "gl_wrap.h"
///////////////
// Constructor
VisualDraggableFeature::VisualDraggableFeature() {
type = DRAG_NONE;
x = -1;
y = -1;
value = value2 = 0;
layer = 0;
lineN = -1;
line = NULL;
for (int i=0;i<4;i++) brother[i] = -1;
}
/////////////////////
// Is mouse over it?
bool VisualDraggableFeature::IsMouseOver(int mx,int my) {
// Square
if (type == DRAG_BIG_SQUARE) {
if (mx < x-8 || mx > x+8 || my < y-8 || my > y+8) return false;
return true;
}
// Circle
else if (type == DRAG_BIG_CIRCLE) {
int dx = mx-x;
int dy = my-y;
if (dx*dx + dy*dy <= 64) return true;
return false;
}
// Triangle
else if (type == 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);
}
// Small square
else if (type == DRAG_SMALL_SQUARE) {
if (mx < x-4 || mx > x+4 || my < y-4 || my > y+4) return false;
return true;
}
// Small circle
else if (type == DRAG_SMALL_CIRCLE) {
int dx = mx-x;
int dy = my-y;
if (dx*dx + dy*dy <= 16) return true;
return false;
}
// Fallback
return false;
}
////////////////
// Draw feature
void VisualDraggableFeature::Draw(OpenGLWrapper *gl) {
wxASSERT(gl);
// Square
if (type == 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);
}
// Circle
else if (type == DRAG_BIG_CIRCLE) {
gl->DrawCircle(x,y,8);
gl->DrawLine(x,y-16,x,y+16);
gl->DrawLine(x-16,y,x+16,y);
}
// Triangle
else if (type == 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);
}
// Square
else if (type == DRAG_SMALL_SQUARE) {
gl->DrawRectangle(x-4,y-4,x+4,y+4);
}
// Small circle
else if (type == DRAG_SMALL_CIRCLE) {
gl->DrawCircle(x,y,4);
}
}