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Dependencies:   mbed Blynk

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?

UserRevisionLine numberNew 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