comparison: components/u8g2/csrc/u8log_u8g2.c
components/u8g2/csrc/u8log_u8g2.c
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- 88d965579617
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| 1 /* | |
| 2 | |
| 3 u8log_u8g2.c | |
| 4 | |
| 5 | |
| 6 Universal 8bit Graphics Library (https://github.com/olikraus/u8g2/) | |
| 7 | |
| 8 Copyright (c) 2018, olikraus@gmail.com | |
| 9 All rights reserved. | |
| 10 | |
| 11 Redistribution and use in source and binary forms, with or without modification, | |
| 12 are permitted provided that the following conditions are met: | |
| 13 | |
| 14 * Redistributions of source code must retain the above copyright notice, this list | |
| 15 of conditions and the following disclaimer. | |
| 16 | |
| 17 * Redistributions in binary form must reproduce the above copyright notice, this | |
| 18 list of conditions and the following disclaimer in the documentation and/or other | |
| 19 materials provided with the distribution. | |
| 20 | |
| 21 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND | |
| 22 CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, | |
| 23 INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | |
| 24 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
| 25 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR | |
| 26 CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 27 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
| 28 NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
| 29 LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER | |
| 30 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
| 31 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
| 32 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF | |
| 33 ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 34 | |
| 35 */ | |
| 36 | |
| 37 #include "u8g2.h" | |
| 38 /* | |
| 39 Draw the u8log text at the specified x/y position. | |
| 40 x/y position is the reference position of the first char of the first line. | |
| 41 the line height is | |
| 42 u8g2_GetAscent(u8g2) - u8g2_GetDescent(u8g2) + line_height_offset; | |
| 43 line_height_offset can be set with u8log_SetLineHeightOffset() | |
| 44 Use | |
| 45 u8g2_SetFontRefHeightText(u8g2_t *u8g2); | |
| 46 u8g2_SetFontRefHeightExtendedText(u8g2_t *u8g2); | |
| 47 u8g2_SetFontRefHeightAll(u8g2_t *u8g2); | |
| 48 to change the return values for u8g2_GetAscent and u8g2_GetDescent | |
| 49 | |
| 50 */ | |
| 51 void u8g2_DrawLog(u8g2_t *u8g2, u8g2_uint_t x, u8g2_uint_t y, u8log_t *u8log) | |
| 52 { | |
| 53 u8g2_uint_t disp_x, disp_y; | |
| 54 uint8_t buf_x, buf_y; | |
| 55 uint8_t c; | |
| 56 | |
| 57 disp_y = y; | |
| 58 u8g2_SetFontDirection(u8g2, 0); | |
| 59 for( buf_y = 0; buf_y < u8log->height; buf_y++ ) | |
| 60 { | |
| 61 disp_x = x; | |
| 62 for( buf_x = 0; buf_x < u8log->width; buf_x++ ) | |
| 63 { | |
| 64 c = u8log->screen_buffer[buf_y * u8log->width + buf_x]; | |
| 65 disp_x += u8g2_DrawGlyph(u8g2, disp_x, disp_y, c); | |
| 66 } | |
| 67 disp_y += u8g2_GetAscent(u8g2) - u8g2_GetDescent(u8g2); | |
| 68 disp_y += u8log->line_height_offset; | |
| 69 } | |
| 70 } | |
| 71 | |
| 72 /* | |
| 73 u8lib callback for u8g2 | |
| 74 | |
| 75 Only font direction 0 is supported: u8g2_SetFontDirection(u8g2, 0) | |
| 76 Use | |
| 77 u8g2_SetFontRefHeightText(u8g2_t *u8g2); | |
| 78 u8g2_SetFontRefHeightExtendedText(u8g2_t *u8g2); | |
| 79 u8g2_SetFontRefHeightAll(u8g2_t *u8g2); | |
| 80 to change the top offset and the line height and | |
| 81 u8log_SetLineHeightOffset(u8log_t *u8log, int8_t line_height_offset) | |
| 82 to change the line height. | |
| 83 | |
| 84 */ | |
| 85 void u8log_u8g2_cb(u8log_t * u8log) | |
| 86 { | |
| 87 u8g2_t *u8g2 = (u8g2_t *)(u8log->aux_data); | |
| 88 if ( u8log->is_redraw_line || u8log->is_redraw_all ) | |
| 89 { | |
| 90 u8g2_FirstPage(u8g2); | |
| 91 do | |
| 92 { | |
| 93 u8g2_DrawLog( u8g2, 0, u8g2_GetAscent(u8g2), u8log); | |
| 94 } | |
| 95 while( u8g2_NextPage(u8g2) ); | |
| 96 } | |
| 97 } | |
| 98 |
