diff options
Diffstat (limited to 'dggui/texturedbox.cc')
| -rw-r--r-- | dggui/texturedbox.cc | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/dggui/texturedbox.cc b/dggui/texturedbox.cc new file mode 100644 index 0000000..e48353a --- /dev/null +++ b/dggui/texturedbox.cc @@ -0,0 +1,147 @@ +/* -*- 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, std::size_t x_offset) const +{ + // TODO: Gather line into temporary buffer? + return nullptr; +} + +bool TexturedBox::hasAlpha() const +{ + return true; +} + +} // GUI:: |