forked from Makuna/NeoPixelBus
104 lines
2.8 KiB
C++
104 lines
2.8 KiB
C++
/*-------------------------------------------------------------------------
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RowMajorLayout provides a collection of class objects that are used with NeoTopology
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object.
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They define the specific layout of pixels and do the math to change the 2d
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cordinate space to 1d cordinate space
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Written by Michael C. Miller.
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I invest time and resources providing this open source code,
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please support me by dontating (see https://github.com/Makuna/NeoPixelBus)
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-------------------------------------------------------------------------
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This file is part of the Makuna/NeoPixelBus library.
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NeoPixelBus is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as
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published by the Free Software Foundation, either version 3 of
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the License, or (at your option) any later version.
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NeoPixelBus is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with NeoPixel. If not, see
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<http://www.gnu.org/licenses/>.
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-------------------------------------------------------------------------*/
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#pragma once
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class RowMajorLayout;
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class RowMajor90Layout;
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class RowMajor180Layout;
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class RowMajor270Layout;
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class RowMajorTilePreference
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{
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public:
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typedef RowMajorLayout EvenRowEvenColumnLayout;
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typedef RowMajor270Layout EvenRowOddColumnLayout;
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typedef RowMajor90Layout OddRowEvenColumnLayout;
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typedef RowMajor180Layout OddRowOddColumnLayout;
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};
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// layout example of 4x4
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// 00 01 02 03
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// 04 05 06 07
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// 08 09 10 11
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// 12 13 14 15
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//
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class RowMajorLayout : public RowMajorTilePreference
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{
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public:
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static uint16_t Map(uint16_t width, uint16_t /* height */, uint16_t x, uint16_t y)
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{
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return x + y * width;
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}
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};
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// layout example of 4x4
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// 12 08 04 00
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// 13 09 05 01
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// 14 10 06 02
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// 15 11 07 03
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//
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class RowMajor90Layout : public RowMajorTilePreference
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{
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public:
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static uint16_t Map(uint16_t width, uint16_t height, uint16_t x, uint16_t y)
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{
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return (width - 1 - x) * height + y;
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}
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};
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// layout example of 4x4
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// 15 14 13 12
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// 11 10 09 08
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// 07 06 05 04
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// 03 02 01 00
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//
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class RowMajor180Layout : public RowMajorTilePreference
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{
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public:
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static uint16_t Map(uint16_t width, uint16_t height, uint16_t x, uint16_t y)
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{
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return (width - 1 - x) + (height - 1 - y) * width;
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}
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};
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// layout example of 4x4
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// 03 07 11 15
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// 02 06 10 14
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// 01 05 09 13
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// 00 04 08 12
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//
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class RowMajor270Layout : public RowMajorTilePreference
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{
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public:
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static uint16_t Map(uint16_t /* width */, uint16_t height, uint16_t x, uint16_t y)
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{
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return x * height + (height - 1 - y);
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}
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};
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