9ca9b657e4
The warnings 1207c7b was supposed to get rid of are sim-only. This
means the binsize argument used for the _FORTIFY_SOURCE fix did not
apply at all. This one actually checks the return values.
Change-Id: Ic4cd8c25de4305310baa868c077a66981cdfcb4b
206 lines
6.6 KiB
C
206 lines
6.6 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2006 Dan Everton
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*
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* This program 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; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include <string.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include "system.h"
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#include "debug.h"
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#include "lcd.h"
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#include "lcd-charcell.h"
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#include "screendump.h"
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#include "general.h"
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#include "lcd-playersim.h"
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#include "sim-ui-defines.h"
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#include "lcd-sdl.h"
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/* can't include file.h here */
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#ifndef MAX_PATH
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#define MAX_PATH 260
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#endif
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/* extern functions, needed for screendump() */
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extern int sim_creat(const char *name, mode_t mode);
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SDL_Surface* lcd_surface;
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SDL_Color lcd_bl_color_dark = {RED_CMP(LCD_BL_DARKCOLOR),
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GREEN_CMP(LCD_BL_DARKCOLOR),
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BLUE_CMP(LCD_BL_DARKCOLOR), 0};
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SDL_Color lcd_bl_color_bright = {RED_CMP(LCD_BL_BRIGHTCOLOR),
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GREEN_CMP(LCD_BL_BRIGHTCOLOR),
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BLUE_CMP(LCD_BL_BRIGHTCOLOR), 0};
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SDL_Color lcd_color_dark = {RED_CMP(LCD_DARKCOLOR),
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GREEN_CMP(LCD_DARKCOLOR),
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BLUE_CMP(LCD_DARKCOLOR), 0};
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SDL_Color lcd_color_bright = {RED_CMP(LCD_BRIGHTCOLOR),
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GREEN_CMP(LCD_BRIGHTCOLOR),
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BLUE_CMP(LCD_BRIGHTCOLOR), 0};
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static unsigned long get_lcd_pixel(int x, int y)
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{
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return sim_lcd_framebuffer[y][x];
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}
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void sim_lcd_update_rect(int x_start, int y_start, int width, int height)
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{
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sdl_update_rect(lcd_surface, x_start, y_start, width, height,
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SIM_LCD_WIDTH, SIM_LCD_HEIGHT, get_lcd_pixel);
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sdl_gui_update(lcd_surface, x_start, y_start, width, height,
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SIM_LCD_WIDTH, SIM_LCD_HEIGHT,
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background ? UI_LCD_POSX : 0, background ? UI_LCD_POSY : 0);
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}
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void lcd_update(void)
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{
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int x, y;
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for (y = 0; y < lcd_pattern_count; y++)
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if (lcd_patterns[y].count > 0)
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sim_lcd_define_pattern(y, lcd_patterns[y].pattern);
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for (y = 0; y < LCD_HEIGHT; y++)
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for (x = 0; x < LCD_WIDTH; x++)
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lcd_print_char(x, y, lcd_charbuffer[y][x]);
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if (lcd_cursor.visible)
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lcd_print_char(lcd_cursor.x, lcd_cursor.y, lcd_cursor.hw_char);
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sim_lcd_update_rect(0, ICON_HEIGHT, SIM_LCD_WIDTH,
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LCD_HEIGHT*CHAR_HEIGHT*CHAR_PIXEL);
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}
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#ifdef HAVE_BACKLIGHT
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void sim_backlight(int value)
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{
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if (value > 0) {
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sdl_set_gradient(lcd_surface, &lcd_bl_color_bright,
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&lcd_bl_color_dark, 0, (1<<LCD_DEPTH));
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} else {
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sdl_set_gradient(lcd_surface, &lcd_color_bright,
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&lcd_color_dark, 0, (1<<LCD_DEPTH));
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}
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sim_lcd_update_rect(0, 0, SIM_LCD_WIDTH, SIM_LCD_HEIGHT);
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}
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#endif
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/* initialise simulator lcd driver */
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void lcd_init_device(void)
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{
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lcd_surface = SDL_CreateRGBSurface(SDL_SWSURFACE,
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SIM_LCD_WIDTH * display_zoom,
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SIM_LCD_HEIGHT * display_zoom,
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8, 0, 0, 0, 0);
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sdl_set_gradient(lcd_surface, &lcd_bl_color_bright,
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&lcd_bl_color_dark, 0, (1<<LCD_DEPTH));
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}
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#define BMP_COMPRESSION 0 /* BI_RGB */
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#define BMP_NUMCOLORS (1 << LCD_DEPTH)
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#define BMP_BPP 1
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#define BMP_LINESIZE (((SIM_LCD_WIDTH + 31) / 32) * 4)
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#define BMP_HEADERSIZE (54 + 4 * BMP_NUMCOLORS)
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#define BMP_DATASIZE (BMP_LINESIZE * SIM_LCD_HEIGHT)
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#define BMP_TOTALSIZE (BMP_HEADERSIZE + BMP_DATASIZE)
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#define LE16_CONST(x) (x)&0xff, ((x)>>8)&0xff
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#define LE32_CONST(x) (x)&0xff, ((x)>>8)&0xff, ((x)>>16)&0xff, ((x)>>24)&0xff
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static const unsigned char bmpheader[] =
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{
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0x42, 0x4d, /* 'BM' */
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LE32_CONST(BMP_TOTALSIZE), /* Total file size */
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0x00, 0x00, 0x00, 0x00, /* Reserved */
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LE32_CONST(BMP_HEADERSIZE), /* Offset to start of pixel data */
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0x28, 0x00, 0x00, 0x00, /* Size of (2nd) header */
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LE32_CONST(SIM_LCD_WIDTH), /* Width in pixels */
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LE32_CONST(SIM_LCD_HEIGHT), /* Height in pixels */
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0x01, 0x00, /* Number of planes (always 1) */
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LE16_CONST(BMP_BPP), /* Bits per pixel 1/4/8/16/24 */
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LE32_CONST(BMP_COMPRESSION),/* Compression mode */
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LE32_CONST(BMP_DATASIZE), /* Size of bitmap data */
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0xc4, 0x0e, 0x00, 0x00, /* Horizontal resolution (pixels/meter) */
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0xc4, 0x0e, 0x00, 0x00, /* Vertical resolution (pixels/meter) */
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LE32_CONST(BMP_NUMCOLORS), /* Number of used colours */
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LE32_CONST(BMP_NUMCOLORS), /* Number of important colours */
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BMP_COLOR(LCD_BL_BRIGHTCOLOR),
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BMP_COLOR(LCD_BL_DARKCOLOR)
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};
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void screen_dump(void)
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{
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int fd;
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char filename[MAX_PATH];
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int x, y;
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static unsigned char line[BMP_LINESIZE];
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create_numbered_filename(filename, "", "dump_", ".bmp", 4
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IF_CNFN_NUM_(, NULL));
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DEBUGF("screen_dump\n");
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fd = sim_creat(filename, 0666);
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if (fd < 0)
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return;
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if(write(fd, bmpheader, sizeof(bmpheader)) != sizeof(bmpheader))
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{
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close(fd);
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return;
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}
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SDL_LockSurface(lcd_surface);
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/* BMP image goes bottom up */
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for (y = SIM_LCD_HEIGHT - 1; y >= 0; y--)
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{
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Uint8 *src = (Uint8 *)lcd_surface->pixels
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+ y * SIM_LCD_WIDTH * display_zoom * display_zoom;
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unsigned char *dst = line;
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unsigned dst_mask = 0x80;
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memset(line, 0, sizeof(line));
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for (x = SIM_LCD_WIDTH; x > 0; x--)
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{
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if (*src)
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*dst |= dst_mask;
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src += display_zoom;
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dst_mask >>= 1;
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if (dst_mask == 0)
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{
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dst++;
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dst_mask = 0x80;
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}
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}
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if(write(fd, line, sizeof(line)) != sizeof(line))
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{
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close(fd);
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return;
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}
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}
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SDL_UnlockSurface(lcd_surface);
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close(fd);
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}
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