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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/***************************************************************************
* texturedbox.cc
*
* Sun Jun 5 12:22:15 CEST 2016
* Copyright 2016 Bent Bisballe Nyeng
* deva@aasimon.org
****************************************************************************/
/*
* This file is part of DrumGizmo.
*
* DrumGizmo is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* DrumGizmo is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with DrumGizmo; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#include "texturedbox.h"
#include <cassert>
namespace GUI
{
TexturedBox::TexturedBox(ImageCache& image_cache, const std::string& filename,
std::size_t x0, std::size_t y0,
std::size_t dx1, std::size_t dx2, std::size_t dx3,
std::size_t dy1, std::size_t dy2, std::size_t dy3)
: seg_a(image_cache, filename, x0 , y0 , dx1, dy1)
, seg_b(image_cache, filename, x0 + dx1 , y0 , dx2, dy1)
, seg_c(image_cache, filename, x0 + dx1 + dx2, y0 , dx3, dy1)
, seg_d(image_cache, filename, x0 , y0 + dy1 , dx1, dy2)
, seg_e(image_cache, filename, x0 + dx1 , y0 + dy1 , dx2, dy2)
, seg_f(image_cache, filename, x0 + dx1 + dx2, y0 + dy1 , dx3, dy2)
, seg_g(image_cache, filename, x0 , y0 + dy1 + dy2, dx1, dy3)
, seg_h(image_cache, filename, x0 + dx1 , y0 + dy1 + dy2, dx2, dy3)
, seg_i(image_cache, filename, x0 + dx1 + dx2, y0 + dy1 + dy2, dx3, dy3)
, dx1(dx1)
, dx2(dx2)
, dx3(dx3)
, dy1(dy1)
, dy2(dy2)
, dy3(dy3)
, _width(dx1 + dx2 + dx3)
, _height(dy1 + dy2 + dy3)
{
}
std::size_t TexturedBox::width() const
{
return _width;
}
std::size_t TexturedBox::height() const
{
return _height;
}
void TexturedBox::setSize(std::size_t width, std::size_t height)
{
_width = width;
_height = height;
}
const Colour& TexturedBox::getPixel(std::size_t x, std::size_t y) const
{
assert(x < _width);
assert(y < _height);
if(y < dy1) // row 1
{
if(x < dx1) // col 1
{
return seg_a.getPixel(x, y);
}
else if(x < (_width - dx3)) // col 2
{
float scale = (float)(x - dx1) / (float)(_width - dx1 - dx3);
assert(seg_b.width() == dx2);
return seg_b.getPixel(scale * dx2, y);
}
else // col 3
{
return seg_c.getPixel(x - (_width - dx3), y);
}
}
else if(y < (_height - dy3)) // row 2
{
if(x < dx1) // col 1
{
// TODO: Apply vertical scale
float scale = (float)(y - dy1) / (float)(_height - dy1 - dy3);
return seg_d.getPixel(x, scale * dy2);
}
else if(x < (_width - dx3)) // col 2
{
float scale_x = (float)(x - dx1) / (float)(_width - dx1 - dx3);
float scale_y = (float)(y - dy1) / (float)(_height - dy1 - dy3);
return seg_e.getPixel(scale_x * dx2, scale_y * dy2);
}
else // col 3
{
float scale = (float)(y - dy1) / (float)(_height - dy1 - dy3);
return seg_f.getPixel(x - (_width - dx3), scale * dy2);
}
}
else // row 3
{
if(x < dx1) // col 1
{
return seg_g.getPixel(x, y - (_height - dy3));
}
else if(x < (_width - dx3)) // col 2
{
float scale = (float)(x - dx1) / (float)(_width - dx1 - dx3);
return seg_h.getPixel(scale * dx2, y - (_height - dy3));
}
else // col 3
{
return seg_i.getPixel(x - (_width - dx3), y - (_height - dy3));
}
}
return outOfRange;
}
const std::uint8_t* TexturedBox::line(std::size_t y) const
{
// TODO: Gather line into temporary buffer?
return nullptr;
}
bool TexturedBox::hasAlpha() const
{
return true;
}
} // GUI::
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