57 lines
1.8 KiB
C
57 lines
1.8 KiB
C
/*
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* (c) 2011 Siegen, Germany by Nils Faerber <nils.faerber@kernelconcepts.de>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef _MW_UTILITY_H
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#define _MW_UTILITY_H
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typedef struct {
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unsigned int res_x;
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unsigned int res_y;
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unsigned char bpp;
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void *pbuf;
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} mw_buffer;
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typedef enum {
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MW_BLACK = 0,
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MW_WHITE,
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MW_TRANSPARENT
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} mw_color;
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mw_buffer *mw_alloc_pbuffer(unsigned int res_x, unsigned int res_y, unsigned int bpp);
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void mw_free_pbuffer(mw_buffer *mwbuf);
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/* makes a buffer for sending to the watch from the drawing buffer */
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unsigned char *mw_make_mw_buffer(mw_buffer *mwbuf, int *buflen);
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void mw_dump_mw_buffer(mw_buffer *mwbuf);
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/* clear/fill entire buffer with color */
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void mw_buf_clear(mw_buffer *mwbuf, mw_color clr);
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/* draw a single pixel */
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void mw_buf_draw_pixel(mw_buffer *mwbuf, unsigned int x, unsigned int y, mw_color clr);
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void mw_buf_print(mw_buffer *mwbuf, unsigned int x, unsigned int y, char *text, unsigned char fsize, mw_color fgclr, mw_color bgclr);
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void mw_buf_draw_line_bresenham(mw_buffer *mwbuf, unsigned int xstart, unsigned int ystart, unsigned int xend, unsigned int yend, mw_color clr);
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#endif
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