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authorBent Bisballe Nyeng <deva@aasimon.org>2020-12-29 16:09:43 +0100
committerBent Bisballe Nyeng <deva@aasimon.org>2020-12-29 16:39:54 +0100
commit645250e1cd8ce9bc1faea599df7a1b05836bfeb8 (patch)
treec6311afab3900d2dd2aecbfbe1ac348d0e48c428 /dggui/texturedbox.cc
parentdce64999d3325c5b55499d6ba657066efa48fbff (diff)
Split UI code into application/plugin UI and UI library.
Diffstat (limited to 'dggui/texturedbox.cc')
-rw-r--r--dggui/texturedbox.cc147
1 files changed, 147 insertions, 0 deletions
diff --git a/dggui/texturedbox.cc b/dggui/texturedbox.cc
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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, std::size_t x_offset) const
+{
+ // TODO: Gather line into temporary buffer?
+ return nullptr;
+}
+
+bool TexturedBox::hasAlpha() const
+{
+ return true;
+}
+
+} // GUI::