--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/components/u8g2/csrc/u8log_u8g2.c Tue Oct 08 12:00:31 2019 +0200
@@ -0,0 +1,98 @@
+/*
+
+ u8log_u8g2.c
+
+
+ Universal 8bit Graphics Library (https://github.com/olikraus/u8g2/)
+
+ Copyright (c) 2018, 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 "u8g2.h"
+/*
+ Draw the u8log text at the specified x/y position.
+ x/y position is the reference position of the first char of the first line.
+ the line height is
+ u8g2_GetAscent(u8g2) - u8g2_GetDescent(u8g2) + line_height_offset;
+ line_height_offset can be set with u8log_SetLineHeightOffset()
+ Use
+ u8g2_SetFontRefHeightText(u8g2_t *u8g2);
+ u8g2_SetFontRefHeightExtendedText(u8g2_t *u8g2);
+ u8g2_SetFontRefHeightAll(u8g2_t *u8g2);
+ to change the return values for u8g2_GetAscent and u8g2_GetDescent
+
+*/
+void u8g2_DrawLog(u8g2_t *u8g2, u8g2_uint_t x, u8g2_uint_t y, u8log_t *u8log)
+{
+ u8g2_uint_t disp_x, disp_y;
+ uint8_t buf_x, buf_y;
+ uint8_t c;
+
+ disp_y = y;
+ u8g2_SetFontDirection(u8g2, 0);
+ for( buf_y = 0; buf_y < u8log->height; buf_y++ )
+ {
+ disp_x = x;
+ for( buf_x = 0; buf_x < u8log->width; buf_x++ )
+ {
+ c = u8log->screen_buffer[buf_y * u8log->width + buf_x];
+ disp_x += u8g2_DrawGlyph(u8g2, disp_x, disp_y, c);
+ }
+ disp_y += u8g2_GetAscent(u8g2) - u8g2_GetDescent(u8g2);
+ disp_y += u8log->line_height_offset;
+ }
+}
+
+/*
+ u8lib callback for u8g2
+
+ Only font direction 0 is supported: u8g2_SetFontDirection(u8g2, 0)
+ Use
+ u8g2_SetFontRefHeightText(u8g2_t *u8g2);
+ u8g2_SetFontRefHeightExtendedText(u8g2_t *u8g2);
+ u8g2_SetFontRefHeightAll(u8g2_t *u8g2);
+ to change the top offset and the line height and
+ u8log_SetLineHeightOffset(u8log_t *u8log, int8_t line_height_offset)
+ to change the line height.
+
+*/
+void u8log_u8g2_cb(u8log_t * u8log)
+{
+ u8g2_t *u8g2 = (u8g2_t *)(u8log->aux_data);
+ if ( u8log->is_redraw_line || u8log->is_redraw_all )
+ {
+ u8g2_FirstPage(u8g2);
+ do
+ {
+ u8g2_DrawLog( u8g2, 0, u8g2_GetAscent(u8g2), u8log);
+ }
+ while( u8g2_NextPage(u8g2) );
+ }
+}
+