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k-chow/libs/libk/graphic.c

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feat: add given files Signed-off-by: Julien CLEMENT <julien.clement@epita.fr>
2021-07-12 13:57:08 +00:00
/*
* Copyright (c) LSE
* 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 LSE 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 LSE 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 <graphic.h>
#include <stdlib.h>
/*
* offscreen buffer (for double buffering).
*/
static unsigned char offbuffer[FB_SIZE];
/*
* the font is composed of 8*8 characters.
*/
static unsigned char font[2048] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x7E, 0x81, 0xA5, 0x81, 0xBD, 0x99, 0x81, 0x7E,
0x7E, 0xFF, 0xDB, 0xFF, 0xC3, 0xE7, 0xFF, 0x7E,
0x6C, 0xFE, 0xFE, 0xFE, 0x7C, 0x38, 0x10, 0x00,
0x10, 0x38, 0x7C, 0xFE, 0x7C, 0x38, 0x10, 0x00,
0x38, 0x7C, 0x38, 0xFE, 0xFE, 0x92, 0x10, 0x7C,
0x00, 0x10, 0x38, 0x7C, 0xFE, 0x7C, 0x38, 0x7C,
0x00, 0x00, 0x18, 0x3C, 0x3C, 0x18, 0x00, 0x00,
0xFF, 0xFF, 0xE7, 0xC3, 0xC3, 0xE7, 0xFF, 0xFF,
0x00, 0x3C, 0x66, 0x42, 0x42, 0x66, 0x3C, 0x00,
0xFF, 0xC3, 0x99, 0xBD, 0xBD, 0x99, 0xC3, 0xFF,
0x0F, 0x07, 0x0F, 0x7D, 0xCC, 0xCC, 0xCC, 0x78,
0x3C, 0x66, 0x66, 0x66, 0x3C, 0x18, 0x7E, 0x18,
0x3F, 0x33, 0x3F, 0x30, 0x30, 0x70, 0xF0, 0xE0,
0x7F, 0x63, 0x7F, 0x63, 0x63, 0x67, 0xE6, 0xC0,
0x99, 0x5A, 0x3C, 0xE7, 0xE7, 0x3C, 0x5A, 0x99,
0x80, 0xE0, 0xF8, 0xFE, 0xF8, 0xE0, 0x80, 0x00,
0x02, 0x0E, 0x3E, 0xFE, 0x3E, 0x0E, 0x02, 0x00,
0x18, 0x3C, 0x7E, 0x18, 0x18, 0x7E, 0x3C, 0x18,
0x66, 0x66, 0x66, 0x66, 0x66, 0x00, 0x66, 0x00,
0x7F, 0xDB, 0xDB, 0x7B, 0x1B, 0x1B, 0x1B, 0x00,
0x3E, 0x63, 0x38, 0x6C, 0x6C, 0x38, 0x86, 0xFC,
0x00, 0x00, 0x00, 0x00, 0x7E, 0x7E, 0x7E, 0x00,
0x18, 0x3C, 0x7E, 0x18, 0x7E, 0x3C, 0x18, 0xFF,
0x18, 0x3C, 0x7E, 0x18, 0x18, 0x18, 0x18, 0x00,
0x18, 0x18, 0x18, 0x18, 0x7E, 0x3C, 0x18, 0x00,
0x00, 0x18, 0x0C, 0xFE, 0x0C, 0x18, 0x00, 0x00,
0x00, 0x30, 0x60, 0xFE, 0x60, 0x30, 0x00, 0x00,
0x00, 0x00, 0xC0, 0xC0, 0xC0, 0xFE, 0x00, 0x00,
0x00, 0x24, 0x66, 0xFF, 0x66, 0x24, 0x00, 0x00,
0x00, 0x18, 0x3C, 0x7E, 0xFF, 0xFF, 0x00, 0x00,
0x00, 0xFF, 0xFF, 0x7E, 0x3C, 0x18, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x18, 0x3C, 0x3C, 0x18, 0x18, 0x00, 0x18, 0x00,
0x6C, 0x6C, 0x6C, 0x00, 0x00, 0x00, 0x00, 0x00,
0x6C, 0x6C, 0xFE, 0x6C, 0xFE, 0x6C, 0x6C, 0x00,
0x18, 0x7E, 0xC0, 0x7C, 0x06, 0xFC, 0x18, 0x00,
0x00, 0xC6, 0xCC, 0x18, 0x30, 0x66, 0xC6, 0x00,
0x38, 0x6C, 0x38, 0x76, 0xDC, 0xCC, 0x76, 0x00,
0x30, 0x30, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00,
0x18, 0x30, 0x60, 0x60, 0x60, 0x30, 0x18, 0x00,
0x60, 0x30, 0x18, 0x18, 0x18, 0x30, 0x60, 0x00,
0x00, 0x66, 0x3C, 0xFF, 0x3C, 0x66, 0x00, 0x00,
0x00, 0x18, 0x18, 0x7E, 0x18, 0x18, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x30,
0x00, 0x00, 0x00, 0x7E, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x00,
0x06, 0x0C, 0x18, 0x30, 0x60, 0xC0, 0x80, 0x00,
0x7C, 0xCE, 0xDE, 0xF6, 0xE6, 0xC6, 0x7C, 0x00,
0x30, 0x70, 0x30, 0x30, 0x30, 0x30, 0xFC, 0x00,
0x78, 0xCC, 0x0C, 0x38, 0x60, 0xCC, 0xFC, 0x00,
0x78, 0xCC, 0x0C, 0x38, 0x0C, 0xCC, 0x78, 0x00,
0x1C, 0x3C, 0x6C, 0xCC, 0xFE, 0x0C, 0x1E, 0x00,
0xFC, 0xC0, 0xF8, 0x0C, 0x0C, 0xCC, 0x78, 0x00,
0x38, 0x60, 0xC0, 0xF8, 0xCC, 0xCC, 0x78, 0x00,
0xFC, 0xCC, 0x0C, 0x18, 0x30, 0x30, 0x30, 0x00,
0x78, 0xCC, 0xCC, 0x78, 0xCC, 0xCC, 0x78, 0x00,
0x78, 0xCC, 0xCC, 0x7C, 0x0C, 0x18, 0x70, 0x00,
0x00, 0x18, 0x18, 0x00, 0x00, 0x18, 0x18, 0x00,
0x00, 0x18, 0x18, 0x00, 0x00, 0x18, 0x18, 0x30,
0x18, 0x30, 0x60, 0xC0, 0x60, 0x30, 0x18, 0x00,
0x00, 0x00, 0x7E, 0x00, 0x7E, 0x00, 0x00, 0x00,
0x60, 0x30, 0x18, 0x0C, 0x18, 0x30, 0x60, 0x00,
0x3C, 0x66, 0x0C, 0x18, 0x18, 0x00, 0x18, 0x00,
0x7C, 0xC6, 0xDE, 0xDE, 0xDC, 0xC0, 0x7C, 0x00,
0x30, 0x78, 0xCC, 0xCC, 0xFC, 0xCC, 0xCC, 0x00,
0xFC, 0x66, 0x66, 0x7C, 0x66, 0x66, 0xFC, 0x00,
0x3C, 0x66, 0xC0, 0xC0, 0xC0, 0x66, 0x3C, 0x00,
0xF8, 0x6C, 0x66, 0x66, 0x66, 0x6C, 0xF8, 0x00,
0xFE, 0x62, 0x68, 0x78, 0x68, 0x62, 0xFE, 0x00,
0xFE, 0x62, 0x68, 0x78, 0x68, 0x60, 0xF0, 0x00,
0x3C, 0x66, 0xC0, 0xC0, 0xCE, 0x66, 0x3A, 0x00,
0xCC, 0xCC, 0xCC, 0xFC, 0xCC, 0xCC, 0xCC, 0x00,
0x78, 0x30, 0x30, 0x30, 0x30, 0x30, 0x78, 0x00,
0x1E, 0x0C, 0x0C, 0x0C, 0xCC, 0xCC, 0x78, 0x00,
0xE6, 0x66, 0x6C, 0x78, 0x6C, 0x66, 0xE6, 0x00,
0xF0, 0x60, 0x60, 0x60, 0x62, 0x66, 0xFE, 0x00,
0xC6, 0xEE, 0xFE, 0xFE, 0xD6, 0xC6, 0xC6, 0x00,
0xC6, 0xE6, 0xF6, 0xDE, 0xCE, 0xC6, 0xC6, 0x00,
0x38, 0x6C, 0xC6, 0xC6, 0xC6, 0x6C, 0x38, 0x00,
0xFC, 0x66, 0x66, 0x7C, 0x60, 0x60, 0xF0, 0x00,
0x7C, 0xC6, 0xC6, 0xC6, 0xD6, 0x7C, 0x0E, 0x00,
0xFC, 0x66, 0x66, 0x7C, 0x6C, 0x66, 0xE6, 0x00,
0x7C, 0xC6, 0xE0, 0x78, 0x0E, 0xC6, 0x7C, 0x00,
0xFC, 0xB4, 0x30, 0x30, 0x30, 0x30, 0x78, 0x00,
0xCC, 0xCC, 0xCC, 0xCC, 0xCC, 0xCC, 0xFC, 0x00,
0xCC, 0xCC, 0xCC, 0xCC, 0xCC, 0x78, 0x30, 0x00,
0xC6, 0xC6, 0xC6, 0xC6, 0xD6, 0xFE, 0x6C, 0x00,
0xC6, 0xC6, 0x6C, 0x38, 0x6C, 0xC6, 0xC6, 0x00,
0xCC, 0xCC, 0xCC, 0x78, 0x30, 0x30, 0x78, 0x00,
0xFE, 0xC6, 0x8C, 0x18, 0x32, 0x66, 0xFE, 0x00,
0x78, 0x60, 0x60, 0x60, 0x60, 0x60, 0x78, 0x00,
0xC0, 0x60, 0x30, 0x18, 0x0C, 0x06, 0x02, 0x00,
0x78, 0x18, 0x18, 0x18, 0x18, 0x18, 0x78, 0x00,
0x10, 0x38, 0x6C, 0xC6, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF,
0x30, 0x30, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x78, 0x0C, 0x7C, 0xCC, 0x76, 0x00,
0xE0, 0x60, 0x60, 0x7C, 0x66, 0x66, 0xDC, 0x00,
0x00, 0x00, 0x78, 0xCC, 0xC0, 0xCC, 0x78, 0x00,
0x1C, 0x0C, 0x0C, 0x7C, 0xCC, 0xCC, 0x76, 0x00,
0x00, 0x00, 0x78, 0xCC, 0xFC, 0xC0, 0x78, 0x00,
0x38, 0x6C, 0x64, 0xF0, 0x60, 0x60, 0xF0, 0x00,
0x00, 0x00, 0x76, 0xCC, 0xCC, 0x7C, 0x0C, 0xF8,
0xE0, 0x60, 0x6C, 0x76, 0x66, 0x66, 0xE6, 0x00,
0x30, 0x00, 0x70, 0x30, 0x30, 0x30, 0x78, 0x00,
0x0C, 0x00, 0x1C, 0x0C, 0x0C, 0xCC, 0xCC, 0x78,
0xE0, 0x60, 0x66, 0x6C, 0x78, 0x6C, 0xE6, 0x00,
0x70, 0x30, 0x30, 0x30, 0x30, 0x30, 0x78, 0x00,
0x00, 0x00, 0xCC, 0xFE, 0xFE, 0xD6, 0xD6, 0x00,
0x00, 0x00, 0xB8, 0xCC, 0xCC, 0xCC, 0xCC, 0x00,
0x00, 0x00, 0x78, 0xCC, 0xCC, 0xCC, 0x78, 0x00,
0x00, 0x00, 0xDC, 0x66, 0x66, 0x7C, 0x60, 0xF0,
0x00, 0x00, 0x76, 0xCC, 0xCC, 0x7C, 0x0C, 0x1E,
0x00, 0x00, 0xDC, 0x76, 0x62, 0x60, 0xF0, 0x00,
0x00, 0x00, 0x7C, 0xC0, 0x70, 0x1C, 0xF8, 0x00,
0x10, 0x30, 0xFC, 0x30, 0x30, 0x34, 0x18, 0x00,
0x00, 0x00, 0xCC, 0xCC, 0xCC, 0xCC, 0x76, 0x00,
0x00, 0x00, 0xCC, 0xCC, 0xCC, 0x78, 0x30, 0x00,
0x00, 0x00, 0xC6, 0xC6, 0xD6, 0xFE, 0x6C, 0x00,
0x00, 0x00, 0xC6, 0x6C, 0x38, 0x6C, 0xC6, 0x00,
0x00, 0x00, 0xCC, 0xCC, 0xCC, 0x7C, 0x0C, 0xF8,
0x00, 0x00, 0xFC, 0x98, 0x30, 0x64, 0xFC, 0x00,
0x1C, 0x30, 0x30, 0xE0, 0x30, 0x30, 0x1C, 0x00,
0x18, 0x18, 0x18, 0x00, 0x18, 0x18, 0x18, 0x00,
0xE0, 0x30, 0x30, 0x1C, 0x30, 0x30, 0xE0, 0x00,
0x76, 0xDC, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x10, 0x38, 0x6C, 0xC6, 0xC6, 0xFE, 0x00,
0x7C, 0xC6, 0xC0, 0xC6, 0x7C, 0x0C, 0x06, 0x7C,
0x00, 0xCC, 0x00, 0xCC, 0xCC, 0xCC, 0x76, 0x00,
0x1C, 0x00, 0x78, 0xCC, 0xFC, 0xC0, 0x78, 0x00,
0x7E, 0x81, 0x3C, 0x06, 0x3E, 0x66, 0x3B, 0x00,
0xCC, 0x00, 0x78, 0x0C, 0x7C, 0xCC, 0x76, 0x00,
0xE0, 0x00, 0x78, 0x0C, 0x7C, 0xCC, 0x76, 0x00,
0x30, 0x30, 0x78, 0x0C, 0x7C, 0xCC, 0x76, 0x00,
0x00, 0x00, 0x7C, 0xC6, 0xC0, 0x78, 0x0C, 0x38,
0x7E, 0x81, 0x3C, 0x66, 0x7E, 0x60, 0x3C, 0x00,
0xCC, 0x00, 0x78, 0xCC, 0xFC, 0xC0, 0x78, 0x00,
0xE0, 0x00, 0x78, 0xCC, 0xFC, 0xC0, 0x78, 0x00,
0xCC, 0x00, 0x70, 0x30, 0x30, 0x30, 0x78, 0x00,
0x7C, 0x82, 0x38, 0x18, 0x18, 0x18, 0x3C, 0x00,
0xE0, 0x00, 0x70, 0x30, 0x30, 0x30, 0x78, 0x00,
0xC6, 0x10, 0x7C, 0xC6, 0xFE, 0xC6, 0xC6, 0x00,
0x30, 0x30, 0x00, 0x78, 0xCC, 0xFC, 0xCC, 0x00,
0x1C, 0x00, 0xFC, 0x60, 0x78, 0x60, 0xFC, 0x00,
0x00, 0x00, 0x7F, 0x0C, 0x7F, 0xCC, 0x7F, 0x00,
0x3E, 0x6C, 0xCC, 0xFE, 0xCC, 0xCC, 0xCE, 0x00,
0x78, 0x84, 0x00, 0x78, 0xCC, 0xCC, 0x78, 0x00,
0x00, 0xCC, 0x00, 0x78, 0xCC, 0xCC, 0x78, 0x00,
0x00, 0xE0, 0x00, 0x78, 0xCC, 0xCC, 0x78, 0x00,
0x78, 0x84, 0x00, 0xCC, 0xCC, 0xCC, 0x76, 0x00,
0x00, 0xE0, 0x00, 0xCC, 0xCC, 0xCC, 0x76, 0x00,
0x00, 0xCC, 0x00, 0xCC, 0xCC, 0x7C, 0x0C, 0xF8,
0xC3, 0x18, 0x3C, 0x66, 0x66, 0x3C, 0x18, 0x00,
0xCC, 0x00, 0xCC, 0xCC, 0xCC, 0xCC, 0x78, 0x00,
0x18, 0x18, 0x7E, 0xC0, 0xC0, 0x7E, 0x18, 0x18,
0x38, 0x6C, 0x64, 0xF0, 0x60, 0xE6, 0xFC, 0x00,
0xCC, 0xCC, 0x78, 0x30, 0xFC, 0x30, 0xFC, 0x30,
0xF8, 0xCC, 0xCC, 0xFA, 0xC6, 0xCF, 0xC6, 0xC3,
0x0E, 0x1B, 0x18, 0x3C, 0x18, 0x18, 0xD8, 0x70,
0x1C, 0x00, 0x78, 0x0C, 0x7C, 0xCC, 0x76, 0x00,
0x38, 0x00, 0x70, 0x30, 0x30, 0x30, 0x78, 0x00,
0x00, 0x1C, 0x00, 0x78, 0xCC, 0xCC, 0x78, 0x00,
0x00, 0x1C, 0x00, 0xCC, 0xCC, 0xCC, 0x76, 0x00,
0x00, 0xF8, 0x00, 0xB8, 0xCC, 0xCC, 0xCC, 0x00,
0xFC, 0x00, 0xCC, 0xEC, 0xFC, 0xDC, 0xCC, 0x00,
0x3C, 0x6C, 0x6C, 0x3E, 0x00, 0x7E, 0x00, 0x00,
0x38, 0x6C, 0x6C, 0x38, 0x00, 0x7C, 0x00, 0x00,
0x18, 0x00, 0x18, 0x18, 0x30, 0x66, 0x3C, 0x00,
0x00, 0x00, 0x00, 0xFC, 0xC0, 0xC0, 0x00, 0x00,
0x00, 0x00, 0x00, 0xFC, 0x0C, 0x0C, 0x00, 0x00,
0xC6, 0xCC, 0xD8, 0x36, 0x6B, 0xC2, 0x84, 0x0F,
0xC3, 0xC6, 0xCC, 0xDB, 0x37, 0x6D, 0xCF, 0x03,
0x18, 0x00, 0x18, 0x18, 0x3C, 0x3C, 0x18, 0x00,
0x00, 0x33, 0x66, 0xCC, 0x66, 0x33, 0x00, 0x00,
0x00, 0xCC, 0x66, 0x33, 0x66, 0xCC, 0x00, 0x00,
0x22, 0x88, 0x22, 0x88, 0x22, 0x88, 0x22, 0x88,
0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA,
0xDB, 0xF6, 0xDB, 0x6F, 0xDB, 0x7E, 0xD7, 0xED,
0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
0x18, 0x18, 0x18, 0x18, 0xF8, 0x18, 0x18, 0x18,
0x18, 0x18, 0xF8, 0x18, 0xF8, 0x18, 0x18, 0x18,
0x36, 0x36, 0x36, 0x36, 0xF6, 0x36, 0x36, 0x36,
0x00, 0x00, 0x00, 0x00, 0xFE, 0x36, 0x36, 0x36,
0x00, 0x00, 0xF8, 0x18, 0xF8, 0x18, 0x18, 0x18,
0x36, 0x36, 0xF6, 0x06, 0xF6, 0x36, 0x36, 0x36,
0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,
0x00, 0x00, 0xFE, 0x06, 0xF6, 0x36, 0x36, 0x36,
0x36, 0x36, 0xF6, 0x06, 0xFE, 0x00, 0x00, 0x00,
0x36, 0x36, 0x36, 0x36, 0xFE, 0x00, 0x00, 0x00,
0x18, 0x18, 0xF8, 0x18, 0xF8, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0xF8, 0x18, 0x18, 0x18,
0x18, 0x18, 0x18, 0x18, 0x1F, 0x00, 0x00, 0x00,
0x18, 0x18, 0x18, 0x18, 0xFF, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0xFF, 0x18, 0x18, 0x18,
0x18, 0x18, 0x18, 0x18, 0x1F, 0x18, 0x18, 0x18,
0x00, 0x00, 0x00, 0x00, 0xFF, 0x00, 0x00, 0x00,
0x18, 0x18, 0x18, 0x18, 0xFF, 0x18, 0x18, 0x18,
0x18, 0x18, 0x1F, 0x18, 0x1F, 0x18, 0x18, 0x18,
0x36, 0x36, 0x36, 0x36, 0x37, 0x36, 0x36, 0x36,
0x36, 0x36, 0x37, 0x30, 0x3F, 0x00, 0x00, 0x00,
0x00, 0x00, 0x3F, 0x30, 0x37, 0x36, 0x36, 0x36,
0x36, 0x36, 0xF7, 0x00, 0xFF, 0x00, 0x00, 0x00,
0x00, 0x00, 0xFF, 0x00, 0xF7, 0x36, 0x36, 0x36,
0x36, 0x36, 0x37, 0x30, 0x37, 0x36, 0x36, 0x36,
0x00, 0x00, 0xFF, 0x00, 0xFF, 0x00, 0x00, 0x00,
0x36, 0x36, 0xF7, 0x00, 0xF7, 0x36, 0x36, 0x36,
0x18, 0x18, 0xFF, 0x00, 0xFF, 0x00, 0x00, 0x00,
0x36, 0x36, 0x36, 0x36, 0xFF, 0x00, 0x00, 0x00,
0x00, 0x00, 0xFF, 0x00, 0xFF, 0x18, 0x18, 0x18,
0x00, 0x00, 0x00, 0x00, 0xFF, 0x36, 0x36, 0x36,
0x36, 0x36, 0x36, 0x36, 0x3F, 0x00, 0x00, 0x00,
0x18, 0x18, 0x1F, 0x18, 0x1F, 0x00, 0x00, 0x00,
0x00, 0x00, 0x1F, 0x18, 0x1F, 0x18, 0x18, 0x18,
0x00, 0x00, 0x00, 0x00, 0x3F, 0x36, 0x36, 0x36,
0x36, 0x36, 0x36, 0x36, 0xFF, 0x36, 0x36, 0x36,
0x18, 0x18, 0xFF, 0x18, 0xFF, 0x18, 0x18, 0x18,
0x18, 0x18, 0x18, 0x18, 0xF8, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x1F, 0x18, 0x18, 0x18,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF,
0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0,
0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F,
0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x76, 0xDC, 0xC8, 0xDC, 0x76, 0x00,
0x00, 0x78, 0xCC, 0xF8, 0xCC, 0xF8, 0xC0, 0xC0,
0x00, 0xFC, 0xCC, 0xC0, 0xC0, 0xC0, 0xC0, 0x00,
0x00, 0x00, 0xFE, 0x6C, 0x6C, 0x6C, 0x6C, 0x00,
0xFC, 0xCC, 0x60, 0x30, 0x60, 0xCC, 0xFC, 0x00,
0x00, 0x00, 0x7E, 0xD8, 0xD8, 0xD8, 0x70, 0x00,
0x00, 0x66, 0x66, 0x66, 0x66, 0x7C, 0x60, 0xC0,
0x00, 0x76, 0xDC, 0x18, 0x18, 0x18, 0x18, 0x00,
0xFC, 0x30, 0x78, 0xCC, 0xCC, 0x78, 0x30, 0xFC,
0x38, 0x6C, 0xC6, 0xFE, 0xC6, 0x6C, 0x38, 0x00,
0x38, 0x6C, 0xC6, 0xC6, 0x6C, 0x6C, 0xEE, 0x00,
0x1C, 0x30, 0x18, 0x7C, 0xCC, 0xCC, 0x78, 0x00,
0x00, 0x00, 0x7E, 0xDB, 0xDB, 0x7E, 0x00, 0x00,
0x06, 0x0C, 0x7E, 0xDB, 0xDB, 0x7E, 0x60, 0xC0,
0x38, 0x60, 0xC0, 0xF8, 0xC0, 0x60, 0x38, 0x00,
0x78, 0xCC, 0xCC, 0xCC, 0xCC, 0xCC, 0xCC, 0x00,
0x00, 0x7E, 0x00, 0x7E, 0x00, 0x7E, 0x00, 0x00,
0x18, 0x18, 0x7E, 0x18, 0x18, 0x00, 0x7E, 0x00,
0x60, 0x30, 0x18, 0x30, 0x60, 0x00, 0xFC, 0x00,
0x18, 0x30, 0x60, 0x30, 0x18, 0x00, 0xFC, 0x00,
0x0E, 0x1B, 0x1B, 0x18, 0x18, 0x18, 0x18, 0x18,
0x18, 0x18, 0x18, 0x18, 0x18, 0xD8, 0xD8, 0x70,
0x18, 0x18, 0x00, 0x7E, 0x00, 0x18, 0x18, 0x00,
0x00, 0x76, 0xDC, 0x00, 0x76, 0xDC, 0x00, 0x00,
0x38, 0x6C, 0x6C, 0x38, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x18, 0x18, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x18, 0x00, 0x00, 0x00,
0x0F, 0x0C, 0x0C, 0x0C, 0xEC, 0x6C, 0x3C, 0x1C,
0x58, 0x6C, 0x6C, 0x6C, 0x6C, 0x00, 0x00, 0x00,
0x70, 0x98, 0x30, 0x60, 0xF8, 0x00, 0x00, 0x00,
0x00, 0x00, 0x3C, 0x3C, 0x3C, 0x3C, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
void draw_begin(void)
{
draw_clear(CONS_BLACK);
}
void draw_end(void)
{
swap_frontbuffer(offbuffer);
}
void draw_clear(color_t color)
{
memset(offbuffer, color, FB_SIZE);
}
void draw_pixel(unsigned int x, unsigned int y, color_t color)
{
if (x >= GRAPHIC_WIDTH)
return;
if (y >= GRAPHIC_HEIGHT)
return;
offbuffer[y * GRAPHIC_WIDTH + x] = color;
}
void draw_line(unsigned int x1, unsigned int y1,
unsigned int x2, unsigned int y2, color_t color)
{
unsigned int i;
if (x1 >= GRAPHIC_WIDTH)
return;
if (y1 >= GRAPHIC_HEIGHT)
return;
if (x2 >= GRAPHIC_WIDTH)
return;
if (y2 >= GRAPHIC_HEIGHT)
return;
if (x1 == x2) {
for (i = y1; i < y2; i++)
draw_pixel(x1, i, color);
} else if (y1 == y2) {
for (i = x1; i < x2; i++)
draw_pixel(i, y1, color);
} else {
int s;
int steep = abs(y2 - y1) > abs(x2 - x1);
if (steep) {
s = x1;
x1 = y1;
y1 = s;
s = x2;
x2 = y2;
y2 = s;
}
if (x1 > x2) {
s = x1;
x1 = x2;
x2 = s;
s = y2;
y2 = y1;
y1 = s;
}
int deltax = x2 - x1;
int deltay = abs(y2 - y1);
int error = -deltax / 2;
int ystep;
int y = y1;
if (y1 < y2)
ystep = 1;
else
ystep = -1;
unsigned int x;
for (x = x1; x < x2; x++) {
if (steep)
draw_pixel(y, x, color);
else
draw_pixel(x, y, color);
error = error + deltay;
if (error > 0) {
y = y + ystep;
error = error - deltax;
}
}
}
}
void draw_rect(unsigned int x1, unsigned int y1,
unsigned int x2, unsigned int y2, color_t color)
{
unsigned int x;
unsigned int y;
for (x = x1; x < x2 && x < GRAPHIC_WIDTH; x++) {
draw_pixel(x, y1, color);
draw_pixel(x, y2, color);
}
for (y = y1; y < y2 && y < GRAPHIC_HEIGHT; y++) {
draw_pixel(x1, y, color);
draw_pixel(x2, y, color);
}
}
void draw_fillrect(unsigned int x1, unsigned int y1,
unsigned int x2, unsigned int y2,
color_t color, color_t interior)
{
unsigned int x;
unsigned int y;
for (x = x1; x < x2 && x < GRAPHIC_WIDTH; x++) {
draw_pixel(x, y1, color);
draw_pixel(x, y2, color);
}
for (y = y1; y <= y2 && y < GRAPHIC_HEIGHT; y++) {
draw_pixel(x1, y, color);
draw_pixel(x2, y, color);
}
for (x = x1 + 1; x < x2 && x < GRAPHIC_WIDTH; x++)
for (y = y1 + 1; y < y2 && y < GRAPHIC_HEIGHT; y++)
draw_pixel(x, y, interior);
}
/*
* Windows BMP file header.
*/
struct bitmap_header {
char signature[2];
unsigned long filesize;
unsigned long reserved1;
unsigned long offset;
unsigned long reserved2;
unsigned long width;
unsigned long height;
unsigned short planes;
unsigned short bpp;
unsigned long reserved3;
unsigned long size;
char reserved[16];
} __attribute__ ((packed));
struct image *load_image(const char *path)
{
struct bitmap_header bmp;
int fd = open(path, 0);
if (fd < 0)
return NULL;
int rc = read(fd, &bmp, sizeof(bmp));
if (rc < (int)sizeof(bmp)) {
goto err_img;
}
if (!(bmp.signature[0] == 'B' && bmp.signature[1] == 'M')) {
goto err_img;
}
struct image *img = malloc(sizeof(struct image));
if (!img) {
goto err_img;
}
img->width = bmp.width;
img->height = bmp.height;
img->data = calloc(img->height, sizeof(*img->data));
if (!img->data)
goto err_buf;
for (unsigned int i = 0; i < img->height; i++) {
img->data[i] = calloc(img->width, sizeof(*img->data[i]));
if (!img->data[i])
goto err;
}
int ppl = (bmp.size - (img->width * img->height)) / img->height;
if (lseek(fd, bmp.offset, SEEK_SET) == (off_t) - 1) {
goto err;
}
for (unsigned int i = 0; i < img->height; i++) {
rc = read(fd, img->data[i], img->width);
if (rc < (int)img->width)
goto err;
rc = lseek(fd, ppl, SEEK_CUR);
if (rc == (off_t)-1)
goto err;
}
close(fd);
return img;
err:
for (unsigned int i = 0; i < img->height; i++)
free(img->data[i]);
free(img->data);
err_buf:
free(img);
err_img:
close(fd);
return NULL;
}
void clear_image( struct image * image)
{
for (unsigned int i = 0; i < image->height; i++)
free(image->data[i]);
free(image->data);
free(image);
}
void draw_image_alpha(struct image *image, unsigned int x, unsigned int y, unsigned int alpha)
{
for (unsigned int i = 0; i < image->height; i++)
for (unsigned int j = 0; j < image->width; j++) {
if ((alpha == (unsigned int)-1) || (alpha != image->data[i][j]))
draw_pixel(x + j, y + image->height - i, image->data[i][j]);
}
}
void draw_image(struct image *image, unsigned int x, unsigned int y)
{
draw_image_alpha(image, x, y, -1);
}
/*
* used to decompose a byte
*/
static int bit_on(char c, int n)
{
int mask;
mask = 1 << (7 - n);
return c & mask;
}
void draw_text(const char *s, unsigned int x, unsigned int y, color_t fg, color_t bg)
{
char c;
char ch;
char p;
unsigned int pos;
unsigned int strp = 0;
for (; *s; s++, strp++) {
c = *s;
for (unsigned int i = 0; i < 8; ++i) {
for (unsigned int j = 0; j < 8; ++j) {
ch = font[c * 8 + i];
p = bit_on(ch, j) ? fg : bg;
pos = ((y + i) * GRAPHIC_WIDTH) + (strp * 8 + x) + j;
if (!((bg == (unsigned int)-1) && (p == -1)))
offbuffer[pos] = p;
}
}
}
}
struct anim *load_anim(char *paths, int delay)
{
char *p, *bck;
char *filename;
struct anim *anim = NULL;
int i;
if (!paths || !*paths)
return NULL;
if (!(anim = malloc(sizeof(struct anim))))
return NULL;
anim->nr_img = 1;
anim->current_img = 0;
anim->delay = delay;
anim->jiffies = 0;
for (p = paths; *p; p++)
if (*p == ' ')
anim->nr_img++;
if (!(anim->imgs = calloc(anim->nr_img, sizeof(struct image *)))) {
free(anim);
return NULL;
}
if (!(p = strdup(paths))) {
free(anim);
return NULL;
}
bck = p;
for (i = 0; i < anim->nr_img; i++) {
filename = p;
while (*p && *p != ' ')
p++;
*p = '\0';
p++;
if (!(anim->imgs[i] = load_image(filename)))
blue_screen("failed to load animation");
}
free(bck);
return anim;
}
void draw_anim(struct anim * anim, int x, int y, unsigned long jiffies)
{
if (anim->jiffies + anim->delay <= jiffies || anim->jiffies > jiffies) {
anim->jiffies = jiffies;
anim->current_img = (anim->current_img + 1) % anim->nr_img;
}
draw_image_alpha(anim->imgs[anim->current_img], x, y, 0);
}
static void blue_screen_cons(const char *message)
{
char seq[] = {
CONS_ESCAPE, CONS_COLOR,
CONS_BACK(CONS_BLUE) | CONS_FRONT(CONS_WHITE) | CONS_LIGHT,
CONS_ESCAPE, CONS_CLEAR
};
char fatal[] = {
CONS_ESCAPE, CONS_SETX, 32,
CONS_ESCAPE, CONS_SETY, 10,
CONS_ESCAPE, CONS_COLOR,
CONS_BACK(CONS_WHITE) | CONS_FRONT(CONS_BLUE)
};
char msg[] = {
CONS_ESCAPE, CONS_SETX, 0,
CONS_ESCAPE, CONS_SETY, 13,
CONS_ESCAPE, CONS_COLOR,
CONS_BACK(CONS_BLUE) | CONS_FRONT(CONS_WHITE) | CONS_LIGHT
};
char *chiche1 = "If this is not the first time you encounter";
char *chiche2 = "this problem, please contact chiche@epita.fr";
write(seq, sizeof(seq) / sizeof(char));
write(fatal, sizeof(fatal) / sizeof(char));
printf("K -- FATAL ERROR", fatal);
msg[2] = 40 - strlen(message) / 2;
write(msg, sizeof(msg) / sizeof(char));
printf("%s", message);
msg[2] = 40 - strlen(chiche1) / 2;
msg[5] += 2;
write(msg, sizeof(msg) / sizeof(char));
printf("%s", chiche1);
msg[2] = 40 - strlen(chiche2) / 2;
msg[5]++;
write(msg, sizeof(msg) / sizeof(char));
printf("%s", chiche2);
while (1)
continue;
}
static void blue_screen_fb(const char *message)
{
draw_begin();
draw_clear(CONS_BLUE);
draw_text("K -- FATAL ERROR", GRAPHIC_WIDTH / 2 - 8 * 8, 60, CONS_BLUE,
CONS_WHITE);
draw_text(message, GRAPHIC_WIDTH / 2 - (strlen(message) / 2) * 8, 90,
CONS_WHITE, CONS_BLUE);
draw_text("If this problem repeats,", GRAPHIC_WIDTH / 2 - 12 * 8, 120,
CONS_WHITE, CONS_BLUE);
draw_text("Please contact chiche@epita.fr", GRAPHIC_WIDTH / 2 - 15 * 8,
130, CONS_WHITE, CONS_BLUE);
draw_end();
while (1)
continue;
}
void (*blue_screen)(const char *message) = blue_screen_cons;
void switch_graphic(void)
{
if (setvideo(VIDEO_GRAPHIC))
blue_screen("Unable to switch to graphic mode");
blue_screen = blue_screen_fb;
}
void switch_text(void)
{
if (setvideo(VIDEO_TEXT))
blue_screen("Unable to switch to text mode");
blue_screen = blue_screen_cons;
}
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