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Dependencies:   mbed Blynk

u8glibARM/u8g_cursor.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_cursor.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_SetCursorFont(u8g_t *u8g, const u8g_pgm_uint8_t *cursor_font)
lixianyu 0:d8f4c441e032 40 {
lixianyu 0:d8f4c441e032 41 u8g->cursor_font = cursor_font;
lixianyu 0:d8f4c441e032 42 }
lixianyu 0:d8f4c441e032 43
lixianyu 0:d8f4c441e032 44 void u8g_SetCursorStyle(u8g_t *u8g, uint8_t encoding)
lixianyu 0:d8f4c441e032 45 {
lixianyu 0:d8f4c441e032 46 u8g->cursor_encoding = encoding;
lixianyu 0:d8f4c441e032 47 }
lixianyu 0:d8f4c441e032 48
lixianyu 0:d8f4c441e032 49 void u8g_SetCursorColor(u8g_t *u8g, uint8_t fg, uint8_t bg)
lixianyu 0:d8f4c441e032 50 {
lixianyu 0:d8f4c441e032 51 u8g->cursor_bg_color = bg;
lixianyu 0:d8f4c441e032 52 u8g->cursor_fg_color = fg;
lixianyu 0:d8f4c441e032 53 }
lixianyu 0:d8f4c441e032 54
lixianyu 0:d8f4c441e032 55 void u8g_SetCursorPos(u8g_t *u8g, u8g_uint_t cursor_x, u8g_uint_t cursor_y)
lixianyu 0:d8f4c441e032 56 {
lixianyu 0:d8f4c441e032 57 u8g->cursor_x = cursor_x;
lixianyu 0:d8f4c441e032 58 u8g->cursor_y = cursor_y;
lixianyu 0:d8f4c441e032 59 }
lixianyu 0:d8f4c441e032 60
lixianyu 0:d8f4c441e032 61 void u8g_EnableCursor(u8g_t *u8g)
lixianyu 0:d8f4c441e032 62 {
lixianyu 0:d8f4c441e032 63 u8g->cursor_fn = u8g_DrawCursor;
lixianyu 0:d8f4c441e032 64 }
lixianyu 0:d8f4c441e032 65
lixianyu 0:d8f4c441e032 66 void u8g_DisableCursor(u8g_t *u8g)
lixianyu 0:d8f4c441e032 67 {
lixianyu 0:d8f4c441e032 68 u8g->cursor_fn = (u8g_draw_cursor_fn)0;
lixianyu 0:d8f4c441e032 69 }
lixianyu 0:d8f4c441e032 70
lixianyu 0:d8f4c441e032 71 void u8g_DrawCursor(u8g_t *u8g)
lixianyu 0:d8f4c441e032 72 {
lixianyu 0:d8f4c441e032 73 const u8g_pgm_uint8_t *font;
lixianyu 0:d8f4c441e032 74 uint8_t color;
lixianyu 0:d8f4c441e032 75 uint8_t encoding = u8g->cursor_encoding;
lixianyu 0:d8f4c441e032 76
lixianyu 0:d8f4c441e032 77 /* get current values */
lixianyu 0:d8f4c441e032 78 color = u8g_GetColorIndex(u8g);
lixianyu 0:d8f4c441e032 79 font = u8g->font;
lixianyu 0:d8f4c441e032 80
lixianyu 0:d8f4c441e032 81 /* draw cursor */
lixianyu 0:d8f4c441e032 82 u8g->font = u8g->cursor_font;
lixianyu 0:d8f4c441e032 83 encoding++;
lixianyu 0:d8f4c441e032 84 u8g_SetColorIndex(u8g, u8g->cursor_bg_color);
lixianyu 0:d8f4c441e032 85 /* 27. Jan 2013: replaced call to u8g_DrawGlyph with call to u8g_draw_glyph */
lixianyu 0:d8f4c441e032 86 /* required, because y adjustment should not happen to the cursor fonts */
lixianyu 0:d8f4c441e032 87 u8g_draw_glyph(u8g, u8g->cursor_x, u8g->cursor_y, encoding);
lixianyu 0:d8f4c441e032 88 encoding--;
lixianyu 0:d8f4c441e032 89 u8g_SetColorIndex(u8g, u8g->cursor_fg_color);
lixianyu 0:d8f4c441e032 90 /* 27. Jan 2013: replaced call to u8g_DrawGlyph with call to u8g_draw_glyph */
lixianyu 0:d8f4c441e032 91 /* required, because y adjustment should not happen to the cursor fonts */
lixianyu 0:d8f4c441e032 92 /* u8g_DrawGlyph(u8g, u8g->cursor_x, u8g->cursor_y, encoding); */
lixianyu 0:d8f4c441e032 93 u8g_draw_glyph(u8g, u8g->cursor_x, u8g->cursor_y, encoding);
lixianyu 0:d8f4c441e032 94
lixianyu 0:d8f4c441e032 95 /* restore previous values */
lixianyu 0:d8f4c441e032 96 u8g->font = font;
lixianyu 0:d8f4c441e032 97 u8g_SetColorIndex(u8g, color);
lixianyu 0:d8f4c441e032 98 }
lixianyu 0:d8f4c441e032 99
lixianyu 0:d8f4c441e032 100