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Dependencies:   mbed Blynk

u8glibARM/u8g_pb8h1.c@1:0e75de2a5d21, 2016-06-13 (annotated)

Committer:
lixianyu
Date:
Mon Jun 13 02:21:11 2016 +0000
Revision:
1:0e75de2a5d21
Parent:
0:d8f4c441e032 
u8glib???????????????????????????Adafruit_GFX????OLED????????bitmap??????

Who changed what in which revision?

UserRevisionLine numberNew contents of line
lixianyu 0:d8f4c441e032 1 /*
lixianyu 0:d8f4c441e032 2
lixianyu 0:d8f4c441e032 3 u8g_pb8h1.c
lixianyu 0:d8f4c441e032 4
lixianyu 0:d8f4c441e032 5 8bit height monochrom (1 bit) page buffer
lixianyu 0:d8f4c441e032 6 byte has horizontal orientation
lixianyu 0:d8f4c441e032 7
lixianyu 0:d8f4c441e032 8 Universal 8bit Graphics Library
lixianyu 0:d8f4c441e032 9
lixianyu 0:d8f4c441e032 10 Copyright (c) 2011, olikraus@gmail.com
lixianyu 0:d8f4c441e032 11 All rights reserved.
lixianyu 0:d8f4c441e032 12
lixianyu 0:d8f4c441e032 13 Redistribution and use in source and binary forms, with or without modification,
lixianyu 0:d8f4c441e032 14 are permitted provided that the following conditions are met:
lixianyu 0:d8f4c441e032 15
lixianyu 0:d8f4c441e032 16 * Redistributions of source code must retain the above copyright notice, this list
lixianyu 0:d8f4c441e032 17 of conditions and the following disclaimer.
lixianyu 0:d8f4c441e032 18
lixianyu 0:d8f4c441e032 19 * Redistributions in binary form must reproduce the above copyright notice, this
lixianyu 0:d8f4c441e032 20 list of conditions and the following disclaimer in the documentation and/or other
lixianyu 0:d8f4c441e032 21 materials provided with the distribution.
lixianyu 0:d8f4c441e032 22
lixianyu 0:d8f4c441e032 23 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
lixianyu 0:d8f4c441e032 24 CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
lixianyu 0:d8f4c441e032 25 INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
lixianyu 0:d8f4c441e032 26 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
lixianyu 0:d8f4c441e032 27 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
lixianyu 0:d8f4c441e032 28 CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
lixianyu 0:d8f4c441e032 29 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
lixianyu 0:d8f4c441e032 30 NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
lixianyu 0:d8f4c441e032 31 LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
lixianyu 0:d8f4c441e032 32 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
lixianyu 0:d8f4c441e032 33 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
lixianyu 0:d8f4c441e032 34 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
lixianyu 0:d8f4c441e032 35 ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
lixianyu 0:d8f4c441e032 36
lixianyu 0:d8f4c441e032 37
lixianyu 0:d8f4c441e032 38 total buffer size is limited to 256 bytes because of the calculation inside the set pixel procedure
lixianyu 0:d8f4c441e032 39
lixianyu 0:d8f4c441e032 40 23. Sep 2012: Bug with down procedure, see FPS 1st page --> fixed (bug located in u8g_clip.c)
lixianyu 0:d8f4c441e032 41
lixianyu 0:d8f4c441e032 42 */
lixianyu 0:d8f4c441e032 43
lixianyu 0:d8f4c441e032 44 #include "u8g.h"
lixianyu 0:d8f4c441e032 45 #include <string.h>
lixianyu 0:d8f4c441e032 46
lixianyu 0:d8f4c441e032 47 #ifdef __unix__
lixianyu 0:d8f4c441e032 48 #include <assert.h>
lixianyu 0:d8f4c441e032 49 #endif
lixianyu 0:d8f4c441e032 50
lixianyu 0:d8f4c441e032 51 /* NEW_CODE disabled, because the performance increase was too slow and not worth compared */
lixianyu 0:d8f4c441e032 52 /* to the increase of code size */
lixianyu 0:d8f4c441e032 53 /* #define NEW_CODE */
lixianyu 0:d8f4c441e032 54
lixianyu 0:d8f4c441e032 55 #ifdef __unix__
lixianyu 0:d8f4c441e032 56 void *u8g_buf_lower_limit;
lixianyu 0:d8f4c441e032 57 void *u8g_buf_upper_limit;
lixianyu 0:d8f4c441e032 58 #endif
lixianyu 0:d8f4c441e032 59
lixianyu 0:d8f4c441e032 60 void u8g_pb8h1_Init(u8g_pb_t *b, void *buf, u8g_uint_t width) U8G_NOINLINE;
lixianyu 0:d8f4c441e032 61 void u8g_pb8h1_set_pixel(u8g_pb_t *b, u8g_uint_t x, u8g_uint_t y, uint8_t color_index) U8G_NOINLINE;
lixianyu 0:d8f4c441e032 62 void u8g_pb8h1_SetPixel(u8g_pb_t *b, const u8g_dev_arg_pixel_t * const arg_pixel) U8G_NOINLINE ;
lixianyu 0:d8f4c441e032 63 void u8g_pb8h1_Set8PixelStd(u8g_pb_t *b, u8g_dev_arg_pixel_t *arg_pixel) U8G_NOINLINE;
lixianyu 0:d8f4c441e032 64 uint8_t u8g_dev_pb8h1_base_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg);
lixianyu 0:d8f4c441e032 65
lixianyu 0:d8f4c441e032 66
lixianyu 0:d8f4c441e032 67 #ifdef NEW_CODE
lixianyu 0:d8f4c441e032 68 struct u8g_pb_h1_struct
lixianyu 0:d8f4c441e032 69 {
lixianyu 0:d8f4c441e032 70 u8g_uint_t x;
lixianyu 0:d8f4c441e032 71 u8g_uint_t y;
lixianyu 0:d8f4c441e032 72 uint8_t *ptr;
lixianyu 0:d8f4c441e032 73 uint8_t mask;
lixianyu 0:d8f4c441e032 74 uint8_t line_byte_len;
lixianyu 0:d8f4c441e032 75 uint8_t cnt;
lixianyu 0:d8f4c441e032 76 };
lixianyu 0:d8f4c441e032 77
lixianyu 0:d8f4c441e032 78 static uint8_t u8g_pb8h1_bitmask[8] = { 0x080, 0x040, 0x020, 0x010, 0x008, 0x004, 0x002, 0x001 };
lixianyu 0:d8f4c441e032 79
lixianyu 0:d8f4c441e032 80 static void u8g_pb8h1_state_right(struct u8g_pb_h1_struct *s) U8G_NOINLINE;
lixianyu 0:d8f4c441e032 81 static void u8g_pb8h1_state_right(struct u8g_pb_h1_struct *s)
lixianyu 0:d8f4c441e032 82 {
lixianyu 0:d8f4c441e032 83 register u8g_uint_t x;
lixianyu 0:d8f4c441e032 84 x = s->x;
lixianyu 0:d8f4c441e032 85 x++;
lixianyu 0:d8f4c441e032 86 s->x = x;
lixianyu 0:d8f4c441e032 87 x &= 7;
lixianyu 0:d8f4c441e032 88 s->mask = u8g_pb8h1_bitmask[x];
lixianyu 0:d8f4c441e032 89 if ( x == 0 )
lixianyu 0:d8f4c441e032 90 s->ptr++;
lixianyu 0:d8f4c441e032 91 }
lixianyu 0:d8f4c441e032 92
lixianyu 0:d8f4c441e032 93 static void u8g_pb8h1_state_left(struct u8g_pb_h1_struct *s)
lixianyu 0:d8f4c441e032 94 {
lixianyu 0:d8f4c441e032 95 register u8g_uint_t x;
lixianyu 0:d8f4c441e032 96 x = s->x;
lixianyu 0:d8f4c441e032 97 x--;
lixianyu 0:d8f4c441e032 98 s->x = x;
lixianyu 0:d8f4c441e032 99 x &= 7;
lixianyu 0:d8f4c441e032 100 s->mask = u8g_pb8h1_bitmask[x];
lixianyu 0:d8f4c441e032 101 if ( x == 7 )
lixianyu 0:d8f4c441e032 102 s->ptr--;
lixianyu 0:d8f4c441e032 103 }
lixianyu 0:d8f4c441e032 104
lixianyu 0:d8f4c441e032 105 static void u8g_pb8h1_state_down(struct u8g_pb_h1_struct *s)
lixianyu 0:d8f4c441e032 106 {
lixianyu 0:d8f4c441e032 107 s->y++;
lixianyu 0:d8f4c441e032 108 s->ptr += s->line_byte_len;
lixianyu 0:d8f4c441e032 109 }
lixianyu 0:d8f4c441e032 110
lixianyu 0:d8f4c441e032 111 static void u8g_pb8h1_state_up(struct u8g_pb_h1_struct *s)
lixianyu 0:d8f4c441e032 112 {
lixianyu 0:d8f4c441e032 113 s->y--;
lixianyu 0:d8f4c441e032 114 s->ptr -= s->line_byte_len;
lixianyu 0:d8f4c441e032 115 }
lixianyu 0:d8f4c441e032 116
lixianyu 0:d8f4c441e032 117 static void u8g_pb8h1_state_init(struct u8g_pb_h1_struct *s, u8g_pb_t *b, u8g_uint_t x, u8g_uint_t y) U8G_NOINLINE;
lixianyu 0:d8f4c441e032 118 static void u8g_pb8h1_state_init(struct u8g_pb_h1_struct *s, u8g_pb_t *b, u8g_uint_t x, u8g_uint_t y)
lixianyu 0:d8f4c441e032 119 {
lixianyu 0:d8f4c441e032 120 u8g_uint_t tmp;
lixianyu 0:d8f4c441e032 121
lixianyu 0:d8f4c441e032 122 uint8_t *ptr = b->buf;
lixianyu 0:d8f4c441e032 123
lixianyu 0:d8f4c441e032 124 s->x = x;
lixianyu 0:d8f4c441e032 125 s->y = y;
lixianyu 0:d8f4c441e032 126
lixianyu 0:d8f4c441e032 127 y -= b->p.page_y0;
lixianyu 0:d8f4c441e032 128
lixianyu 0:d8f4c441e032 129 tmp = b->width;
lixianyu 0:d8f4c441e032 130 tmp >>= 3;
lixianyu 0:d8f4c441e032 131 s->line_byte_len = tmp;
lixianyu 0:d8f4c441e032 132
lixianyu 0:d8f4c441e032 133 /* assume negative y values, can be down to -7, subtract this from the pointer and add correction of 8 to y */
lixianyu 0:d8f4c441e032 134 ptr -= tmp*8;
lixianyu 0:d8f4c441e032 135 y+=8;
lixianyu 0:d8f4c441e032 136 /* it is important that the result of tmp*y can be 16 bit value also for 8 bit mode */
lixianyu 0:d8f4c441e032 137 ptr += tmp*y;
lixianyu 0:d8f4c441e032 138
lixianyu 0:d8f4c441e032 139 s->mask = u8g_pb8h1_bitmask[x & 7];
lixianyu 0:d8f4c441e032 140
lixianyu 0:d8f4c441e032 141 /* assume negative x values (to -7), subtract 8 pixel from the pointer and add 8 to x */
lixianyu 0:d8f4c441e032 142 ptr--;
lixianyu 0:d8f4c441e032 143 x += 8;
lixianyu 0:d8f4c441e032 144 x >>= 3;
lixianyu 0:d8f4c441e032 145 ptr += x;
lixianyu 0:d8f4c441e032 146 s->ptr = ptr;
lixianyu 0:d8f4c441e032 147 }
lixianyu 0:d8f4c441e032 148
lixianyu 0:d8f4c441e032 149 static void u8g_pb8h1_state_set_pixel(struct u8g_pb_h1_struct *s, uint8_t color_index) U8G_NOINLINE;
lixianyu 0:d8f4c441e032 150 static void u8g_pb8h1_state_set_pixel(struct u8g_pb_h1_struct *s, uint8_t color_index)
lixianyu 0:d8f4c441e032 151 {
lixianyu 0:d8f4c441e032 152
lixianyu 0:d8f4c441e032 153 #ifdef __unix__
lixianyu 0:d8f4c441e032 154 assert( s->ptr >= u8g_buf_lower_limit );
lixianyu 0:d8f4c441e032 155 assert( s->ptr < u8g_buf_upper_limit );
lixianyu 0:d8f4c441e032 156 #endif
lixianyu 0:d8f4c441e032 157
lixianyu 0:d8f4c441e032 158 if ( color_index )
lixianyu 0:d8f4c441e032 159 {
lixianyu 0:d8f4c441e032 160 *s->ptr |= s->mask;
lixianyu 0:d8f4c441e032 161 }
lixianyu 0:d8f4c441e032 162 else
lixianyu 0:d8f4c441e032 163 {
lixianyu 0:d8f4c441e032 164 uint8_t mask = s->mask;
lixianyu 0:d8f4c441e032 165 mask ^=0xff;
lixianyu 0:d8f4c441e032 166 *s->ptr &= mask;
lixianyu 0:d8f4c441e032 167 }
lixianyu 0:d8f4c441e032 168 }
lixianyu 0:d8f4c441e032 169 #endif
lixianyu 0:d8f4c441e032 170
lixianyu 0:d8f4c441e032 171
lixianyu 0:d8f4c441e032 172 void u8g_pb8h1_Init(u8g_pb_t *b, void *buf, u8g_uint_t width)
lixianyu 0:d8f4c441e032 173 {
lixianyu 0:d8f4c441e032 174 b->buf = buf;
lixianyu 0:d8f4c441e032 175 b->width = width;
lixianyu 0:d8f4c441e032 176 u8g_pb_Clear(b);
lixianyu 0:d8f4c441e032 177 }
lixianyu 0:d8f4c441e032 178
lixianyu 0:d8f4c441e032 179 /* limitation: total buffer must not exceed 256 bytes */
lixianyu 0:d8f4c441e032 180 void u8g_pb8h1_set_pixel(u8g_pb_t *b, u8g_uint_t x, u8g_uint_t y, uint8_t color_index)
lixianyu 0:d8f4c441e032 181 {
lixianyu 0:d8f4c441e032 182 #ifdef NEW_CODE
lixianyu 0:d8f4c441e032 183 struct u8g_pb_h1_struct s;
lixianyu 0:d8f4c441e032 184 u8g_pb8h1_state_init(&s, b, x, y);
lixianyu 0:d8f4c441e032 185 u8g_pb8h1_state_set_pixel(&s, color_index);
lixianyu 0:d8f4c441e032 186
lixianyu 0:d8f4c441e032 187 // u8g_pb8h1_state_up(&s);
lixianyu 0:d8f4c441e032 188 // if ( s.y > b->p.page_y1 )
lixianyu 0:d8f4c441e032 189 // return;
lixianyu 0:d8f4c441e032 190 // if ( s.x > b->width )
lixianyu 0:d8f4c441e032 191 // return;
lixianyu 0:d8f4c441e032 192 // u8g_pb8h1_state_set_pixel(&s, color_index);
lixianyu 0:d8f4c441e032 193 #else
lixianyu 0:d8f4c441e032 194 register uint8_t mask;
lixianyu 0:d8f4c441e032 195 u8g_uint_t tmp;
lixianyu 0:d8f4c441e032 196 uint8_t *ptr = b->buf;
lixianyu 0:d8f4c441e032 197
lixianyu 0:d8f4c441e032 198 y -= b->p.page_y0;
lixianyu 0:d8f4c441e032 199 tmp = b->width;
lixianyu 0:d8f4c441e032 200 tmp >>= 3;
lixianyu 0:d8f4c441e032 201 tmp *= (uint8_t)y;
lixianyu 0:d8f4c441e032 202 ptr += tmp;
lixianyu 0:d8f4c441e032 203
lixianyu 0:d8f4c441e032 204 mask = 0x080;
lixianyu 0:d8f4c441e032 205 mask >>= x & 7;
lixianyu 0:d8f4c441e032 206 x >>= 3;
lixianyu 0:d8f4c441e032 207 ptr += x;
lixianyu 0:d8f4c441e032 208 if ( color_index )
lixianyu 0:d8f4c441e032 209 {
lixianyu 0:d8f4c441e032 210 *ptr |= mask;
lixianyu 0:d8f4c441e032 211 }
lixianyu 0:d8f4c441e032 212 else
lixianyu 0:d8f4c441e032 213 {
lixianyu 0:d8f4c441e032 214 mask ^=0xff;
lixianyu 0:d8f4c441e032 215 *ptr &= mask;
lixianyu 0:d8f4c441e032 216 }
lixianyu 0:d8f4c441e032 217 #endif
lixianyu 0:d8f4c441e032 218 }
lixianyu 0:d8f4c441e032 219
lixianyu 0:d8f4c441e032 220
lixianyu 0:d8f4c441e032 221 void u8g_pb8h1_SetPixel(u8g_pb_t *b, const u8g_dev_arg_pixel_t * const arg_pixel)
lixianyu 0:d8f4c441e032 222 {
lixianyu 0:d8f4c441e032 223 if ( arg_pixel->y < b->p.page_y0 )
lixianyu 0:d8f4c441e032 224 return;
lixianyu 0:d8f4c441e032 225 if ( arg_pixel->y > b->p.page_y1 )
lixianyu 0:d8f4c441e032 226 return;
lixianyu 0:d8f4c441e032 227 if ( arg_pixel->x >= b->width )
lixianyu 0:d8f4c441e032 228 return;
lixianyu 0:d8f4c441e032 229 u8g_pb8h1_set_pixel(b, arg_pixel->x, arg_pixel->y, arg_pixel->color);
lixianyu 0:d8f4c441e032 230 }
lixianyu 0:d8f4c441e032 231
lixianyu 0:d8f4c441e032 232 void u8g_pb8h1_Set8PixelStd(u8g_pb_t *b, u8g_dev_arg_pixel_t *arg_pixel)
lixianyu 0:d8f4c441e032 233 {
lixianyu 0:d8f4c441e032 234 register uint8_t pixel = arg_pixel->pixel;
lixianyu 0:d8f4c441e032 235 do
lixianyu 0:d8f4c441e032 236 {
lixianyu 0:d8f4c441e032 237 if ( pixel & 128 )
lixianyu 0:d8f4c441e032 238 {
lixianyu 0:d8f4c441e032 239 u8g_pb8h1_SetPixel(b, arg_pixel);
lixianyu 0:d8f4c441e032 240 }
lixianyu 0:d8f4c441e032 241 switch( arg_pixel->dir )
lixianyu 0:d8f4c441e032 242 {
lixianyu 0:d8f4c441e032 243 case 0: arg_pixel->x++; break;
lixianyu 0:d8f4c441e032 244 case 1: arg_pixel->y++; break;
lixianyu 0:d8f4c441e032 245 case 2: arg_pixel->x--; break;
lixianyu 0:d8f4c441e032 246 case 3: arg_pixel->y--; break;
lixianyu 0:d8f4c441e032 247 }
lixianyu 0:d8f4c441e032 248 pixel <<= 1;
lixianyu 0:d8f4c441e032 249 } while( pixel != 0 );
lixianyu 0:d8f4c441e032 250 }
lixianyu 0:d8f4c441e032 251
lixianyu 0:d8f4c441e032 252 void u8g_pb8h1_Set8PixelOpt2(u8g_pb_t *b, u8g_dev_arg_pixel_t *arg_pixel)
lixianyu 0:d8f4c441e032 253 {
lixianyu 0:d8f4c441e032 254 register uint8_t pixel = arg_pixel->pixel;
lixianyu 0:d8f4c441e032 255 u8g_uint_t dx = 0;
lixianyu 0:d8f4c441e032 256 u8g_uint_t dy = 0;
lixianyu 0:d8f4c441e032 257
lixianyu 0:d8f4c441e032 258 switch( arg_pixel->dir )
lixianyu 0:d8f4c441e032 259 {
lixianyu 0:d8f4c441e032 260 case 0: dx++; break;
lixianyu 0:d8f4c441e032 261 case 1: dy++; break;
lixianyu 0:d8f4c441e032 262 case 2: dx--; break;
lixianyu 0:d8f4c441e032 263 case 3: dy--; break;
lixianyu 0:d8f4c441e032 264 }
lixianyu 0:d8f4c441e032 265
lixianyu 0:d8f4c441e032 266 do
lixianyu 0:d8f4c441e032 267 {
lixianyu 0:d8f4c441e032 268 if ( pixel & 128 )
lixianyu 0:d8f4c441e032 269 u8g_pb8h1_SetPixel(b, arg_pixel);
lixianyu 0:d8f4c441e032 270 arg_pixel->x += dx;
lixianyu 0:d8f4c441e032 271 arg_pixel->y += dy;
lixianyu 0:d8f4c441e032 272 pixel <<= 1;
lixianyu 0:d8f4c441e032 273 } while( pixel != 0 );
lixianyu 0:d8f4c441e032 274 }
lixianyu 0:d8f4c441e032 275
lixianyu 0:d8f4c441e032 276 #ifdef NEW_CODE
lixianyu 0:d8f4c441e032 277 static void u8g_pb8h1_Set8PixelState(u8g_pb_t *b, u8g_dev_arg_pixel_t *arg_pixel)
lixianyu 0:d8f4c441e032 278 {
lixianyu 0:d8f4c441e032 279 register uint8_t pixel = arg_pixel->pixel;
lixianyu 0:d8f4c441e032 280 struct u8g_pb_h1_struct s;
lixianyu 0:d8f4c441e032 281 uint8_t cnt;
lixianyu 0:d8f4c441e032 282 u8g_pb8h1_state_init(&s, b, arg_pixel->x, arg_pixel->y);
lixianyu 0:d8f4c441e032 283 cnt = 8;
lixianyu 0:d8f4c441e032 284 switch( arg_pixel->dir )
lixianyu 0:d8f4c441e032 285 {
lixianyu 0:d8f4c441e032 286 case 0:
lixianyu 0:d8f4c441e032 287 do
lixianyu 0:d8f4c441e032 288 {
lixianyu 0:d8f4c441e032 289 if ( s.x < b->width )
lixianyu 0:d8f4c441e032 290 if ( pixel & 128 )
lixianyu 0:d8f4c441e032 291 u8g_pb8h1_state_set_pixel(&s, arg_pixel->color);
lixianyu 0:d8f4c441e032 292 u8g_pb8h1_state_right(&s);
lixianyu 0:d8f4c441e032 293 pixel <<= 1;
lixianyu 0:d8f4c441e032 294 cnt--;
lixianyu 0:d8f4c441e032 295 } while( cnt > 0 && pixel != 0 );
lixianyu 0:d8f4c441e032 296 break;
lixianyu 0:d8f4c441e032 297 case 1:
lixianyu 0:d8f4c441e032 298 do
lixianyu 0:d8f4c441e032 299 {
lixianyu 0:d8f4c441e032 300 if ( s.y >= b->p.page_y0 )
lixianyu 0:d8f4c441e032 301 if ( s.y <= b->p.page_y1 )
lixianyu 0:d8f4c441e032 302 if ( pixel & 128 )
lixianyu 0:d8f4c441e032 303 u8g_pb8h1_state_set_pixel(&s, arg_pixel->color);
lixianyu 0:d8f4c441e032 304 u8g_pb8h1_state_down(&s);
lixianyu 0:d8f4c441e032 305 pixel <<= 1;
lixianyu 0:d8f4c441e032 306 cnt--;
lixianyu 0:d8f4c441e032 307 } while( cnt > 0 && pixel != 0 );
lixianyu 0:d8f4c441e032 308 break;
lixianyu 0:d8f4c441e032 309 case 2:
lixianyu 0:d8f4c441e032 310 do
lixianyu 0:d8f4c441e032 311 {
lixianyu 0:d8f4c441e032 312 if ( s.x < b->width )
lixianyu 0:d8f4c441e032 313 if ( pixel & 128 )
lixianyu 0:d8f4c441e032 314 u8g_pb8h1_state_set_pixel(&s, arg_pixel->color);
lixianyu 0:d8f4c441e032 315 u8g_pb8h1_state_left(&s);
lixianyu 0:d8f4c441e032 316 pixel <<= 1;
lixianyu 0:d8f4c441e032 317 cnt--;
lixianyu 0:d8f4c441e032 318 } while( cnt > 0 && pixel != 0 );
lixianyu 0:d8f4c441e032 319 break;
lixianyu 0:d8f4c441e032 320 case 3:
lixianyu 0:d8f4c441e032 321 do
lixianyu 0:d8f4c441e032 322 {
lixianyu 0:d8f4c441e032 323 if ( s.y >= b->p.page_y0 )
lixianyu 0:d8f4c441e032 324 if ( s.y <= b->p.page_y1 )
lixianyu 0:d8f4c441e032 325 if ( pixel & 128 )
lixianyu 0:d8f4c441e032 326 u8g_pb8h1_state_set_pixel(&s, arg_pixel->color);
lixianyu 0:d8f4c441e032 327 u8g_pb8h1_state_up(&s);
lixianyu 0:d8f4c441e032 328 pixel <<= 1;
lixianyu 0:d8f4c441e032 329 cnt--;
lixianyu 0:d8f4c441e032 330 } while( cnt > 0 && pixel != 0 );
lixianyu 0:d8f4c441e032 331 break;
lixianyu 0:d8f4c441e032 332 }
lixianyu 0:d8f4c441e032 333 }
lixianyu 0:d8f4c441e032 334 #endif
lixianyu 0:d8f4c441e032 335
lixianyu 0:d8f4c441e032 336 uint8_t u8g_dev_pb8h1_base_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg)
lixianyu 0:d8f4c441e032 337 {
lixianyu 0:d8f4c441e032 338 u8g_pb_t *pb = (u8g_pb_t *)(dev->dev_mem);
lixianyu 0:d8f4c441e032 339 switch(msg)
lixianyu 0:d8f4c441e032 340 {
lixianyu 0:d8f4c441e032 341 case U8G_DEV_MSG_SET_8PIXEL:
lixianyu 0:d8f4c441e032 342 #ifdef NEW_CODE
lixianyu 0:d8f4c441e032 343 if ( u8g_pb_Is8PixelVisible(pb, (u8g_dev_arg_pixel_t *)arg) )
lixianyu 0:d8f4c441e032 344 u8g_pb8h1_Set8PixelState(pb, (u8g_dev_arg_pixel_t *)arg);
lixianyu 0:d8f4c441e032 345 #else
lixianyu 0:d8f4c441e032 346 if ( u8g_pb_Is8PixelVisible(pb, (u8g_dev_arg_pixel_t *)arg) )
lixianyu 0:d8f4c441e032 347 u8g_pb8h1_Set8PixelOpt2(pb, (u8g_dev_arg_pixel_t *)arg);
lixianyu 0:d8f4c441e032 348 #endif
lixianyu 0:d8f4c441e032 349 break;
lixianyu 0:d8f4c441e032 350 case U8G_DEV_MSG_SET_PIXEL:
lixianyu 0:d8f4c441e032 351 u8g_pb8h1_SetPixel(pb, (u8g_dev_arg_pixel_t *)arg);
lixianyu 0:d8f4c441e032 352 break;
lixianyu 0:d8f4c441e032 353 case U8G_DEV_MSG_INIT:
lixianyu 0:d8f4c441e032 354 break;
lixianyu 0:d8f4c441e032 355 case U8G_DEV_MSG_STOP:
lixianyu 0:d8f4c441e032 356 break;
lixianyu 0:d8f4c441e032 357 case U8G_DEV_MSG_PAGE_FIRST:
lixianyu 0:d8f4c441e032 358 u8g_pb_Clear(pb);
lixianyu 0:d8f4c441e032 359 u8g_page_First(&(pb->p));
lixianyu 0:d8f4c441e032 360 break;
lixianyu 0:d8f4c441e032 361 case U8G_DEV_MSG_PAGE_NEXT:
lixianyu 0:d8f4c441e032 362 if ( u8g_page_Next(&(pb->p)) == 0 )
lixianyu 0:d8f4c441e032 363 return 0;
lixianyu 0:d8f4c441e032 364 u8g_pb_Clear(pb);
lixianyu 0:d8f4c441e032 365 break;
lixianyu 0:d8f4c441e032 366 #ifdef U8G_DEV_MSG_IS_BBX_INTERSECTION
lixianyu 0:d8f4c441e032 367 case U8G_DEV_MSG_IS_BBX_INTERSECTION:
lixianyu 0:d8f4c441e032 368 return u8g_pb_IsIntersection(pb, (u8g_dev_arg_bbx_t *)arg);
lixianyu 0:d8f4c441e032 369 #endif
lixianyu 0:d8f4c441e032 370 case U8G_DEV_MSG_GET_PAGE_BOX:
lixianyu 0:d8f4c441e032 371 u8g_pb_GetPageBox(pb, (u8g_box_t *)arg);
lixianyu 0:d8f4c441e032 372 break;
lixianyu 0:d8f4c441e032 373 case U8G_DEV_MSG_GET_WIDTH:
lixianyu 0:d8f4c441e032 374 *((u8g_uint_t *)arg) = pb->width;
lixianyu 0:d8f4c441e032 375 break;
lixianyu 0:d8f4c441e032 376 case U8G_DEV_MSG_GET_HEIGHT:
lixianyu 0:d8f4c441e032 377 *((u8g_uint_t *)arg) = pb->p.total_height;
lixianyu 0:d8f4c441e032 378 break;
lixianyu 0:d8f4c441e032 379 case U8G_DEV_MSG_SET_COLOR_ENTRY:
lixianyu 0:d8f4c441e032 380 break;
lixianyu 0:d8f4c441e032 381 case U8G_DEV_MSG_SET_XY_CB:
lixianyu 0:d8f4c441e032 382 break;
lixianyu 0:d8f4c441e032 383 case U8G_DEV_MSG_GET_MODE:
lixianyu 0:d8f4c441e032 384 return U8G_MODE_BW;
lixianyu 0:d8f4c441e032 385 }
lixianyu 0:d8f4c441e032 386 return 1;
lixianyu 0:d8f4c441e032 387 }
lixianyu 0:d8f4c441e032 388
lixianyu 0:d8f4c441e032 389
lixianyu 0:d8f4c441e032 390