100 lines
3 KiB
C
100 lines
3 KiB
C
/*
|
|
|
|
u8g_cursor.c
|
|
|
|
Universal 8bit Graphics Library
|
|
|
|
Copyright (c) 2011, olikraus@gmail.com
|
|
All rights reserved.
|
|
|
|
Redistribution and use in source and binary forms, with or without modification,
|
|
are permitted provided that the following conditions are met:
|
|
|
|
* Redistributions of source code must retain the above copyright notice, this list
|
|
of conditions and the following disclaimer.
|
|
|
|
* Redistributions in binary form must reproduce the above copyright notice, this
|
|
list of conditions and the following disclaimer in the documentation and/or other
|
|
materials provided with the distribution.
|
|
|
|
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
|
|
CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
|
|
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
|
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
|
|
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
|
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
|
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
|
|
STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
|
|
ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
|
|
|
|
*/
|
|
|
|
#include "u8g.h"
|
|
|
|
void u8g_SetCursorFont(u8g_t *u8g, const u8g_pgm_uint8_t *cursor_font)
|
|
{
|
|
u8g->cursor_font = cursor_font;
|
|
}
|
|
|
|
void u8g_SetCursorStyle(u8g_t *u8g, uint8_t encoding)
|
|
{
|
|
u8g->cursor_encoding = encoding;
|
|
}
|
|
|
|
void u8g_SetCursorColor(u8g_t *u8g, uint8_t fg, uint8_t bg)
|
|
{
|
|
u8g->cursor_bg_color = bg;
|
|
u8g->cursor_fg_color = fg;
|
|
}
|
|
|
|
void u8g_SetCursorPos(u8g_t *u8g, u8g_uint_t cursor_x, u8g_uint_t cursor_y)
|
|
{
|
|
u8g->cursor_x = cursor_x;
|
|
u8g->cursor_y = cursor_y;
|
|
}
|
|
|
|
void u8g_EnableCursor(u8g_t *u8g)
|
|
{
|
|
u8g->cursor_fn = u8g_DrawCursor;
|
|
}
|
|
|
|
void u8g_DisableCursor(u8g_t *u8g)
|
|
{
|
|
u8g->cursor_fn = (u8g_draw_cursor_fn)0;
|
|
}
|
|
|
|
void u8g_DrawCursor(u8g_t *u8g)
|
|
{
|
|
const u8g_pgm_uint8_t *font;
|
|
uint8_t color;
|
|
uint8_t encoding = u8g->cursor_encoding;
|
|
|
|
/* get current values */
|
|
color = u8g_GetColorIndex(u8g);
|
|
font = u8g->font;
|
|
|
|
/* draw cursor */
|
|
u8g->font = u8g->cursor_font;
|
|
encoding++;
|
|
u8g_SetColorIndex(u8g, u8g->cursor_bg_color);
|
|
/* 27. Jan 2013: replaced call to u8g_DrawGlyph with call to u8g_draw_glyph */
|
|
/* required, because y adjustment should not happen to the cursor fonts */
|
|
u8g_draw_glyph(u8g, u8g->cursor_x, u8g->cursor_y, encoding);
|
|
encoding--;
|
|
u8g_SetColorIndex(u8g, u8g->cursor_fg_color);
|
|
/* 27. Jan 2013: replaced call to u8g_DrawGlyph with call to u8g_draw_glyph */
|
|
/* required, because y adjustment should not happen to the cursor fonts */
|
|
/* u8g_DrawGlyph(u8g, u8g->cursor_x, u8g->cursor_y, encoding); */
|
|
u8g_draw_glyph(u8g, u8g->cursor_x, u8g->cursor_y, encoding);
|
|
|
|
/* restore previous values */
|
|
u8g->font = font;
|
|
u8g_SetColorIndex(u8g, color);
|
|
}
|
|
|