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u8glibARM/u8g_bitmap.c@0:d8f4c441e032, 2016-06-10 (annotated)
- Committer:
- lixianyu
- Date:
- Fri Jun 10 15:20:20 2016 +0000
- Revision:
- 0:d8f4c441e032
- Child:
- 1:0e75de2a5d21
u8glib???????????i2c???
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| lixianyu | 0:d8f4c441e032 | 1 | /* |
| lixianyu | 0:d8f4c441e032 | 2 | |
| lixianyu | 0:d8f4c441e032 | 3 | u8g_bitmap.c |
| lixianyu | 0:d8f4c441e032 | 4 | |
| lixianyu | 0:d8f4c441e032 | 5 | Universal 8bit Graphics Library |
| lixianyu | 0:d8f4c441e032 | 6 | |
| lixianyu | 0:d8f4c441e032 | 7 | Copyright (c) 2011, olikraus@gmail.com |
| lixianyu | 0:d8f4c441e032 | 8 | All rights reserved. |
| lixianyu | 0:d8f4c441e032 | 9 | |
| lixianyu | 0:d8f4c441e032 | 10 | Redistribution and use in source and binary forms, with or without modification, |
| lixianyu | 0:d8f4c441e032 | 11 | are permitted provided that the following conditions are met: |
| lixianyu | 0:d8f4c441e032 | 12 | |
| lixianyu | 0:d8f4c441e032 | 13 | * Redistributions of source code must retain the above copyright notice, this list |
| lixianyu | 0:d8f4c441e032 | 14 | of conditions and the following disclaimer. |
| lixianyu | 0:d8f4c441e032 | 15 | |
| lixianyu | 0:d8f4c441e032 | 16 | * Redistributions in binary form must reproduce the above copyright notice, this |
| lixianyu | 0:d8f4c441e032 | 17 | list of conditions and the following disclaimer in the documentation and/or other |
| lixianyu | 0:d8f4c441e032 | 18 | materials provided with the distribution. |
| lixianyu | 0:d8f4c441e032 | 19 | |
| lixianyu | 0:d8f4c441e032 | 20 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND |
| lixianyu | 0:d8f4c441e032 | 21 | CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, |
| lixianyu | 0:d8f4c441e032 | 22 | INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| lixianyu | 0:d8f4c441e032 | 23 | MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| lixianyu | 0:d8f4c441e032 | 24 | DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR |
| lixianyu | 0:d8f4c441e032 | 25 | CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| lixianyu | 0:d8f4c441e032 | 26 | SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| lixianyu | 0:d8f4c441e032 | 27 | NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| lixianyu | 0:d8f4c441e032 | 28 | LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| lixianyu | 0:d8f4c441e032 | 29 | CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| lixianyu | 0:d8f4c441e032 | 30 | STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| lixianyu | 0:d8f4c441e032 | 31 | ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
| lixianyu | 0:d8f4c441e032 | 32 | ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| lixianyu | 0:d8f4c441e032 | 33 | |
| lixianyu | 0:d8f4c441e032 | 34 | |
| lixianyu | 0:d8f4c441e032 | 35 | */ |
| lixianyu | 0:d8f4c441e032 | 36 | |
| lixianyu | 0:d8f4c441e032 | 37 | #include "u8g.h" |
| lixianyu | 0:d8f4c441e032 | 38 | |
| lixianyu | 0:d8f4c441e032 | 39 | void u8g_DrawHBitmap(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, u8g_uint_t cnt, const uint8_t *bitmap) |
| lixianyu | 0:d8f4c441e032 | 40 | { |
| lixianyu | 0:d8f4c441e032 | 41 | while( cnt > 0 ) |
| lixianyu | 0:d8f4c441e032 | 42 | { |
| lixianyu | 0:d8f4c441e032 | 43 | u8g_Draw8Pixel(u8g, x, y, 0, *bitmap); |
| lixianyu | 0:d8f4c441e032 | 44 | bitmap++; |
| lixianyu | 0:d8f4c441e032 | 45 | cnt--; |
| lixianyu | 0:d8f4c441e032 | 46 | x+=8; |
| lixianyu | 0:d8f4c441e032 | 47 | } |
| lixianyu | 0:d8f4c441e032 | 48 | } |
| lixianyu | 0:d8f4c441e032 | 49 | |
| lixianyu | 0:d8f4c441e032 | 50 | void u8g_DrawBitmap(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, u8g_uint_t cnt, u8g_uint_t h, const uint8_t *bitmap) |
| lixianyu | 0:d8f4c441e032 | 51 | { |
| lixianyu | 0:d8f4c441e032 | 52 | if ( u8g_IsBBXIntersection(u8g, x, y, cnt*8, h) == 0 ) |
| lixianyu | 0:d8f4c441e032 | 53 | return; |
| lixianyu | 0:d8f4c441e032 | 54 | while( h > 0 ) |
| lixianyu | 0:d8f4c441e032 | 55 | { |
| lixianyu | 0:d8f4c441e032 | 56 | u8g_DrawHBitmap(u8g, x, y, cnt, bitmap); |
| lixianyu | 0:d8f4c441e032 | 57 | bitmap += cnt; |
| lixianyu | 0:d8f4c441e032 | 58 | y++; |
| lixianyu | 0:d8f4c441e032 | 59 | h--; |
| lixianyu | 0:d8f4c441e032 | 60 | } |
| lixianyu | 0:d8f4c441e032 | 61 | } |
| lixianyu | 0:d8f4c441e032 | 62 | |
| lixianyu | 0:d8f4c441e032 | 63 | |
| lixianyu | 0:d8f4c441e032 | 64 | void u8g_DrawHBitmapP(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, u8g_uint_t cnt, const u8g_pgm_uint8_t *bitmap) |
| lixianyu | 0:d8f4c441e032 | 65 | { |
| lixianyu | 0:d8f4c441e032 | 66 | while( cnt > 0 ) |
| lixianyu | 0:d8f4c441e032 | 67 | { |
| lixianyu | 0:d8f4c441e032 | 68 | u8g_Draw8Pixel(u8g, x, y, 0, u8g_pgm_read(bitmap)); |
| lixianyu | 0:d8f4c441e032 | 69 | bitmap++; |
| lixianyu | 0:d8f4c441e032 | 70 | cnt--; |
| lixianyu | 0:d8f4c441e032 | 71 | x+=8; |
| lixianyu | 0:d8f4c441e032 | 72 | } |
| lixianyu | 0:d8f4c441e032 | 73 | } |
| lixianyu | 0:d8f4c441e032 | 74 | |
| lixianyu | 0:d8f4c441e032 | 75 | void u8g_DrawBitmapP(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, u8g_uint_t cnt, u8g_uint_t h, const u8g_pgm_uint8_t *bitmap) |
| lixianyu | 0:d8f4c441e032 | 76 | { |
| lixianyu | 0:d8f4c441e032 | 77 | if ( u8g_IsBBXIntersection(u8g, x, y, cnt*8, h) == 0 ) |
| lixianyu | 0:d8f4c441e032 | 78 | return; |
| lixianyu | 0:d8f4c441e032 | 79 | while( h > 0 ) |
| lixianyu | 0:d8f4c441e032 | 80 | { |
| lixianyu | 0:d8f4c441e032 | 81 | u8g_DrawHBitmapP(u8g, x, y, cnt, bitmap); |
| lixianyu | 0:d8f4c441e032 | 82 | bitmap += cnt; |
| lixianyu | 0:d8f4c441e032 | 83 | y++; |
| lixianyu | 0:d8f4c441e032 | 84 | h--; |
| lixianyu | 0:d8f4c441e032 | 85 | } |
| lixianyu | 0:d8f4c441e032 | 86 | } |
| lixianyu | 0:d8f4c441e032 | 87 | |
| lixianyu | 0:d8f4c441e032 | 88 | /*=========================================================================*/ |
| lixianyu | 0:d8f4c441e032 | 89 | |
| lixianyu | 0:d8f4c441e032 | 90 | static void u8g_DrawHXBM(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, u8g_uint_t w, const uint8_t *bitmap) |
| lixianyu | 0:d8f4c441e032 | 91 | { |
| lixianyu | 0:d8f4c441e032 | 92 | uint8_t d; |
| lixianyu | 0:d8f4c441e032 | 93 | x+=7; |
| lixianyu | 0:d8f4c441e032 | 94 | while( w >= 8 ) |
| lixianyu | 0:d8f4c441e032 | 95 | { |
| lixianyu | 0:d8f4c441e032 | 96 | u8g_Draw8Pixel(u8g, x, y, 2, *bitmap); |
| lixianyu | 0:d8f4c441e032 | 97 | bitmap++; |
| lixianyu | 0:d8f4c441e032 | 98 | w-= 8; |
| lixianyu | 0:d8f4c441e032 | 99 | x+=8; |
| lixianyu | 0:d8f4c441e032 | 100 | } |
| lixianyu | 0:d8f4c441e032 | 101 | if ( w > 0 ) |
| lixianyu | 0:d8f4c441e032 | 102 | { |
| lixianyu | 0:d8f4c441e032 | 103 | d = *bitmap; |
| lixianyu | 0:d8f4c441e032 | 104 | x -= 7; |
| lixianyu | 0:d8f4c441e032 | 105 | do |
| lixianyu | 0:d8f4c441e032 | 106 | { |
| lixianyu | 0:d8f4c441e032 | 107 | if ( d & 1 ) |
| lixianyu | 0:d8f4c441e032 | 108 | u8g_DrawPixel(u8g, x, y); |
| lixianyu | 0:d8f4c441e032 | 109 | x++; |
| lixianyu | 0:d8f4c441e032 | 110 | w--; |
| lixianyu | 0:d8f4c441e032 | 111 | d >>= 1; |
| lixianyu | 0:d8f4c441e032 | 112 | } while ( w > 0 ); |
| lixianyu | 0:d8f4c441e032 | 113 | } |
| lixianyu | 0:d8f4c441e032 | 114 | } |
| lixianyu | 0:d8f4c441e032 | 115 | |
| lixianyu | 0:d8f4c441e032 | 116 | void u8g_DrawXBM(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, u8g_uint_t w, u8g_uint_t h, const uint8_t *bitmap) |
| lixianyu | 0:d8f4c441e032 | 117 | { |
| lixianyu | 0:d8f4c441e032 | 118 | u8g_uint_t b; |
| lixianyu | 0:d8f4c441e032 | 119 | b = w; |
| lixianyu | 0:d8f4c441e032 | 120 | b += 7; |
| lixianyu | 0:d8f4c441e032 | 121 | b >>= 3; |
| lixianyu | 0:d8f4c441e032 | 122 | |
| lixianyu | 0:d8f4c441e032 | 123 | if ( u8g_IsBBXIntersection(u8g, x, y, w, h) == 0 ) |
| lixianyu | 0:d8f4c441e032 | 124 | return; |
| lixianyu | 0:d8f4c441e032 | 125 | |
| lixianyu | 0:d8f4c441e032 | 126 | while( h > 0 ) |
| lixianyu | 0:d8f4c441e032 | 127 | { |
| lixianyu | 0:d8f4c441e032 | 128 | u8g_DrawHXBM(u8g, x, y, w, bitmap); |
| lixianyu | 0:d8f4c441e032 | 129 | bitmap += b; |
| lixianyu | 0:d8f4c441e032 | 130 | y++; |
| lixianyu | 0:d8f4c441e032 | 131 | h--; |
| lixianyu | 0:d8f4c441e032 | 132 | } |
| lixianyu | 0:d8f4c441e032 | 133 | } |
| lixianyu | 0:d8f4c441e032 | 134 | |
| lixianyu | 0:d8f4c441e032 | 135 | static void u8g_DrawHXBMP(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, u8g_uint_t w, const u8g_pgm_uint8_t *bitmap) |
| lixianyu | 0:d8f4c441e032 | 136 | { |
| lixianyu | 0:d8f4c441e032 | 137 | uint8_t d; |
| lixianyu | 0:d8f4c441e032 | 138 | x+=7; |
| lixianyu | 0:d8f4c441e032 | 139 | while( w >= 8 ) |
| lixianyu | 0:d8f4c441e032 | 140 | { |
| lixianyu | 0:d8f4c441e032 | 141 | u8g_Draw8Pixel(u8g, x, y, 2, u8g_pgm_read(bitmap)); |
| lixianyu | 0:d8f4c441e032 | 142 | bitmap++; |
| lixianyu | 0:d8f4c441e032 | 143 | w-= 8; |
| lixianyu | 0:d8f4c441e032 | 144 | x+=8; |
| lixianyu | 0:d8f4c441e032 | 145 | } |
| lixianyu | 0:d8f4c441e032 | 146 | if ( w > 0 ) |
| lixianyu | 0:d8f4c441e032 | 147 | { |
| lixianyu | 0:d8f4c441e032 | 148 | d = u8g_pgm_read(bitmap); |
| lixianyu | 0:d8f4c441e032 | 149 | x -= 7; |
| lixianyu | 0:d8f4c441e032 | 150 | do |
| lixianyu | 0:d8f4c441e032 | 151 | { |
| lixianyu | 0:d8f4c441e032 | 152 | if ( d & 1 ) |
| lixianyu | 0:d8f4c441e032 | 153 | u8g_DrawPixel(u8g, x, y); |
| lixianyu | 0:d8f4c441e032 | 154 | x++; |
| lixianyu | 0:d8f4c441e032 | 155 | w--; |
| lixianyu | 0:d8f4c441e032 | 156 | d >>= 1; |
| lixianyu | 0:d8f4c441e032 | 157 | } while ( w > 0 ); |
| lixianyu | 0:d8f4c441e032 | 158 | } |
| lixianyu | 0:d8f4c441e032 | 159 | } |
| lixianyu | 0:d8f4c441e032 | 160 | |
| lixianyu | 0:d8f4c441e032 | 161 | void u8g_DrawXBMP(u8g_t *u8g, u8g_uint_t x, u8g_uint_t y, u8g_uint_t w, u8g_uint_t h, const u8g_pgm_uint8_t *bitmap) |
| lixianyu | 0:d8f4c441e032 | 162 | { |
| lixianyu | 0:d8f4c441e032 | 163 | u8g_uint_t b; |
| lixianyu | 0:d8f4c441e032 | 164 | b = w; |
| lixianyu | 0:d8f4c441e032 | 165 | b += 7; |
| lixianyu | 0:d8f4c441e032 | 166 | b >>= 3; |
| lixianyu | 0:d8f4c441e032 | 167 | |
| lixianyu | 0:d8f4c441e032 | 168 | if ( u8g_IsBBXIntersection(u8g, x, y, w, h) == 0 ) |
| lixianyu | 0:d8f4c441e032 | 169 | return; |
| lixianyu | 0:d8f4c441e032 | 170 | while( h > 0 ) |
| lixianyu | 0:d8f4c441e032 | 171 | { |
| lixianyu | 0:d8f4c441e032 | 172 | u8g_DrawHXBMP(u8g, x, y, w, bitmap); |
| lixianyu | 0:d8f4c441e032 | 173 | bitmap += b; |
| lixianyu | 0:d8f4c441e032 | 174 | y++; |
| lixianyu | 0:d8f4c441e032 | 175 | h--; |
| lixianyu | 0:d8f4c441e032 | 176 | } |
| lixianyu | 0:d8f4c441e032 | 177 | } |
| lixianyu | 0:d8f4c441e032 | 178 |