Lumitronix_Iflex_Pro_Workshop
Library to interact with the iFlexPro
Neo3WordFeature.h
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1 /*-------------------------------------------------------------------------
2 Neo3WordFeature provides feature base class to describe color order for
3  3 Word features
4 
5 Written by Michael C. Miller.
6 
7 I invest time and resources providing this open source code,
8 please support me by dontating (see https://github.com/Makuna)
9 
10 -------------------------------------------------------------------------
11 This file is part of the LUMITRONIX_iFlex_Workshop library.
12 
13 LumitronixIFlexBus is free software: you can redistribute it and/or modify
14 it under the terms of the GNU Lesser General Public License as
15 published by the Free Software Foundation, either version 3 of
16 the License, or (at your option) any later version.
17 
18 LumitronixIFlexBus is distributed in the hope that it will be useful,
19 but WITHOUT ANY WARRANTY; without even the implied warranty of
20 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 GNU Lesser General Public License for more details.
22 
23 You should have received a copy of the GNU Lesser General Public
24 License along with LumitronixIFlex. If not, see
25 <http://www.gnu.org/licenses/>.
26 -------------------------------------------------------------------------*/
27 #pragma once
28 
29 template <uint8_t V_IC_1, uint8_t V_IC_2, uint8_t V_IC_3>
31  public NeoWordElements<6, Rgb48Color, uint16_t>
32 {
33 public:
34  static void applyPixelColor(uint8_t* pPixels, uint16_t indexPixel, ColorObject color)
35  {
36  uint8_t* p = getPixelAddress(pPixels, indexPixel);
37 
38  // due to endianness the byte order must be copied to output
39  *p++ = color[V_IC_1] >> 8;
40  *p++ = color[V_IC_1] & 0xff;
41  *p++ = color[V_IC_2] >> 8;
42  *p++ = color[V_IC_2] & 0xff;
43  *p++ = color[V_IC_3] >> 8;
44  *p = color[V_IC_3] & 0xff;
45  }
46 
47  static ColorObject retrievePixelColor(const uint8_t* pPixels, uint16_t indexPixel)
48  {
49  ColorObject color;
50  const uint8_t* p = getPixelAddress(pPixels, indexPixel);
51 
52  // due to endianness the byte order must be copied to output
53  color[V_IC_1] = (static_cast<uint16_t>(*p++) << 8);
54  color[V_IC_1] |= *p++;
55  color[V_IC_2] = (static_cast<uint16_t>(*p++) << 8);
56  color[V_IC_2] |= *p++;
57  color[V_IC_3] = (static_cast<uint16_t>(*p++) << 8);
58  color[V_IC_3] |= *p;
59 
60  return color;
61  }
62 
63  static ColorObject retrievePixelColor_P(PGM_VOID_P pPixels, uint16_t indexPixel)
64  {
65  ColorObject color;
66  const uint16_t* p = reinterpret_cast<const uint16_t*>(getPixelAddress(reinterpret_cast<const uint8_t*>(pPixels), indexPixel));
67 
68  // PROGMEM unit of storage expected to be the same size as color element
69  // so no endianness issues to worry about
70  color[V_IC_1] = pgm_read_word(p++);
71  color[V_IC_2] = pgm_read_word(p++);
72  color[V_IC_3] = pgm_read_word(p);
73 
74  return color;
75  }
76 
77  };
#define PGM_VOID_P
Definition: NeoUtil.h:42
Definition: Neo3WordFeature.h:32
static ColorObject retrievePixelColor_P(PGM_VOID_P pPixels, uint16_t indexPixel)
Definition: Neo3WordFeature.h:63
static void applyPixelColor(uint8_t *pPixels, uint16_t indexPixel, ColorObject color)
Definition: Neo3WordFeature.h:34
static ColorObject retrievePixelColor(const uint8_t *pPixels, uint16_t indexPixel)
Definition: Neo3WordFeature.h:47
static uint8_t * getPixelAddress(uint8_t *pPixels, uint16_t indexPixel)
Definition: NeoByteElements.h:43
T_COLOR_OBJECT ColorObject
Definition: NeoByteElements.h:41
Definition: NeoByteElements.h:123