149 lines
3.8 KiB
C
149 lines
3.8 KiB
C
/* vim:expandtab:ts=2 sw=2:
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*/
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/* Grafx2 - The Ultimate 256-color bitmap paint program
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Copyright 2018 Thomas Bernard
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Copyright 1996-2001 Sunset Design (Guillaume Dorme & Karl Maritaud)
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Grafx2 is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; version 2
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of the License.
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Grafx2 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Grafx2; if not, see <http://www.gnu.org/licenses/>
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*/
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#if defined(_MSC_VER)
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#include <windows.h>
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#if _MSC_VER < 1900
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#define snprintf _snprintf
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#endif
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#endif
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#if defined(USE_SDL2)
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#include <SDL.h>
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#endif
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#include <stdio.h>
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#include <string.h>
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#include "gfx2log.h"
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GFX2_Log_priority_T GFX2_verbosity_level = GFX2_INFO;
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extern void GFX2_Log(GFX2_Log_priority_T priority, const char * fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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GFX2_LogV(priority, fmt, ap);
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va_end(ap);
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}
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extern void GFX2_LogV(GFX2_Log_priority_T priority, const char * fmt, va_list ap)
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{
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#if !defined(_DEBUG)
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if ((unsigned)GFX2_verbosity_level < (unsigned)priority)
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return;
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#endif
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#if defined(USE_SDL2)
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{
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int sdl_priority;
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switch(priority)
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{
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case GFX2_ERROR:
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sdl_priority = SDL_LOG_PRIORITY_ERROR;
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break;
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case GFX2_WARNING:
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sdl_priority = SDL_LOG_PRIORITY_WARN;
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break;
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case GFX2_INFO:
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sdl_priority = SDL_LOG_PRIORITY_INFO;
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break;
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case GFX2_DEBUG:
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sdl_priority = SDL_LOG_PRIORITY_DEBUG;
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break;
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default:
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sdl_priority = SDL_LOG_PRIORITY_CRITICAL; // unknown
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}
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SDL_LogMessageV(SDL_LOG_CATEGORY_APPLICATION, sdl_priority, fmt, ap);
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}
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#else
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vfprintf((unsigned)priority >= GFX2_INFO ? stdout : stderr, fmt, ap);
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#endif
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#if defined(_MSC_VER) && defined(_DEBUG) && !defined(USE_SDL2)
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{
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char message[1024];
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vsnprintf(message, sizeof(message), fmt, ap);
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OutputDebugStringA(message);
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}
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#endif
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}
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extern void GFX2_LogHexDump(GFX2_Log_priority_T priority, const char * header, const byte * data, long offset, long count)
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{
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char line[128];
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long i;
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int previous_allzero_count = 0;
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while (count > 0)
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{
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int p = 0, r;
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int allzero = 1;
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for (i = 0; i < count && i < 16; i++)
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{
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if (data[offset+i] != 0)
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{
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allzero = 0;
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break;
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}
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}
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if (previous_allzero_count && allzero)
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{
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// prints a single "*" for multiple line of 00's
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if (previous_allzero_count == 1)
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GFX2_Log(priority, "*\n");
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}
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else
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{
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r = snprintf(line + p, sizeof(line) - p, "%s%06lX:", header, offset);
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if (r < 0)
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return;
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p += r;
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for (i = 0; i < count && i < 16; i++)
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{
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r = snprintf(line + p, sizeof(line) - p, " %02x", data[offset+i]);
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if (r < 0)
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return;
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p += r;
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if (i == 7)
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line[p++] = ' ';
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}
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if (i < 16)
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{
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if (i < 7)
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line[p++] = ' ';
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memset(line + p, ' ', 3 * (16 - i));
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p += 3 * (16 - i);
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}
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line[p++] = ' ';
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line[p++] = '|';
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for (i = 0; i < count && i < 16; i++)
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line[p++] = data[offset+i]>=32 && data[offset+i]<127 ? data[offset+i] : '.';
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line[p++] = '\0';
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GFX2_Log(priority, "%s\n", line);
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}
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if (allzero)
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previous_allzero_count++;
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else
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previous_allzero_count = 0;
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count -= i;
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offset += i;
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}
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// print the ending offset if there was "*"
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if (previous_allzero_count > 1)
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GFX2_Log(priority, "%s%06lX\n", header, offset);
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}
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