From 97a143279b78799d722e3f992e1a59e32ef3c489 Mon Sep 17 00:00:00 2001 From: Frank Gevaerts Date: Mon, 30 Jun 2008 18:17:58 +0000 Subject: fix line endings and properties git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17892 a1c6a512-1295-4272-9138-f99709370657 --- apps/plugins/ppmviewer.c | 664 +++++++++++++++++++++++------------------------ 1 file changed, 332 insertions(+), 332 deletions(-) diff --git a/apps/plugins/ppmviewer.c b/apps/plugins/ppmviewer.c index 04d4b001a6..4c24a5d5f4 100644 --- a/apps/plugins/ppmviewer.c +++ b/apps/plugins/ppmviewer.c @@ -1,336 +1,336 @@ -/***************************************************************************** - * __________ __ ___. - * Open \______ \ ____ ____ | | _\_ |__ _______ ___ - * Source | _// __ \_/ ___\| |/ /| __ \ / __ \ \/ / - * Jukebox | | ( (__) ) \___| ( | \_\ ( (__) ) ( - * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ - * \/ \/ \/ \/ \/ - * $Id$ - * - * Copyright (C) 2008 Alexander Papst - * +/***************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// __ \_/ ___\| |/ /| __ \ / __ \ \/ / + * Jukebox | | ( (__) ) \___| ( | \_\ ( (__) ) ( + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Copyright (C) 2008 Alexander Papst + * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. - * - * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY - * KIND, either express or implied. - * - ****************************************************************************/ - -#include "plugin.h" -#include "bmp.h" - -#if defined(HAVE_LCD_COLOR) - -PLUGIN_HEADER - -/* Magic constants. */ -#define PPM_MAGIC1 'P' -#define PPM_MAGIC2 '3' -#define RPPM_MAGIC2 '6' -#define PPM_FORMAT (PPM_MAGIC1 * 256 + PPM_MAGIC2) -#define RPPM_FORMAT (PPM_MAGIC1 * 256 + RPPM_MAGIC2) - -#define PPM_OVERALLMAXVAL 65535 -#define PPM_MAXSIZE (300*1024)/sizeof(fb_data) - -#define ppm_error(...) rb->splash(HZ*2, __VA_ARGS__ ) - -static fb_data buffer[PPM_MAXSIZE]; -static fb_data lcd_buf[LCD_WIDTH * LCD_HEIGHT]; - -static const struct plugin_api* rb; /* global api struct pointer */ - -int ppm_read_magic_number(int fd) -{ - char i1, i2; - if(!rb->read(fd, &i1, 1) || !rb->read(fd, &i2, 1)) - { - ppm_error( "Error reading magic number from ppm image stream. "\ - "Most often, this means your input file is empty." ); - return PLUGIN_ERROR; - } - return i1 * 256 + i2; -} - -char ppm_getc(int fd) -{ - char ch; - - if (!rb->read(fd, &ch, 1)) { - ppm_error("EOF. Read error reading a byte"); - return PLUGIN_ERROR; - } - - if (ch == '#') { - do { - if (!rb->read(fd, &ch, 1)) { - ppm_error("EOF. Read error reading a byte"); - return PLUGIN_ERROR; - } - } while (ch != '\n' && ch != '\r'); - } - return ch; -} - -int ppm_getuint(int fd) -{ - char ch; - int i; - int digitVal; - - do { - ch = ppm_getc(fd); - } while (ch == ' ' || ch == '\t' || ch == '\n' || ch == '\r'); - - if (ch < '0' || ch > '9') { - ppm_error("Junk (%c) in file where an integer should be.", ch); - return PLUGIN_ERROR; - } - - i = 0; - - do { - digitVal = ch - '0'; - - if (i > INT_MAX/10 - digitVal) { - ppm_error("ASCII decimal integer in file is "\ - "too large to be processed."); - return PLUGIN_ERROR; - } - - i = i * 10 + digitVal; - ch = ppm_getc(fd); - - } while (ch >= '0' && ch <= '9'); - - return i; -} - -int ppm_getrawbyte(int fd) -{ - unsigned char by; - - if (!rb->read(fd, &by, 1)) { - ppm_error("EOF. Read error while reading a one-byte sample."); - return PLUGIN_ERROR; - } - - return (int)by; -} - -int ppm_getrawsample(int fd, int const maxval) -{ - if (maxval < 256) { - /* The sample is just one byte. Read it. */ - return(ppm_getrawbyte(fd)); - } else { - /* The sample is two bytes. Read both. */ - unsigned char byte_pair[2]; - - if (!rb->read(fd, byte_pair, 2)) { - ppm_error("EOF. Read error while reading a long sample."); - return PLUGIN_ERROR; - } - return((byte_pair[0]<<8) | byte_pair[1]); - } -} - -int read_ppm_init_rest(int fd, - int * const cols, - int * const rows, - int * const maxval) -{ - /* Read size. */ - *cols = ppm_getuint(fd); - *rows = ppm_getuint(fd); - - if ((long unsigned int)(*cols * *rows) > PPM_MAXSIZE) { - ppm_error("Imagesize (%ld pixels) is too large. "\ - "The maximum allowed is %ld.", - (long unsigned int)(*cols * *rows), - (long unsigned int)PPM_MAXSIZE); - return PLUGIN_ERROR; - } - - /* Read maxval. */ - *maxval = ppm_getuint(fd); - - if (*maxval > PPM_OVERALLMAXVAL) { - ppm_error("maxval of input image (%u) is too large. "\ - "The maximum allowed by the PPM is %u.", - *maxval, PPM_OVERALLMAXVAL); - return PLUGIN_ERROR; - } - if (*maxval == 0) { - ppm_error("maxval of input image is zero."); - return PLUGIN_ERROR; - } - return 1; -} - -void read_ppm_init(int fd, - int * const cols, - int * const rows, - int * const maxval, - int * const format) -{ - /* Check magic number. */ - *format = ppm_read_magic_number( fd ); - - if (*format == PLUGIN_ERROR) return; - switch (*format) { - case PPM_FORMAT: - case RPPM_FORMAT: - if(read_ppm_init_rest(fd, cols, rows, maxval) == PLUGIN_ERROR) { - *format = PLUGIN_ERROR; - } - break; - - default: - ppm_error( "Bad magic number - not a ppm or rppm file." ); - *format = PLUGIN_ERROR; - } -} - -int read_ppm_row(int fd, - int const row, - int const cols, - int const maxval, - int const format) -{ - int col; - int r, g, b; - switch (format) { - case PPM_FORMAT: - for (col = 0; col < cols; ++col) { - r = ppm_getuint(fd); - g = ppm_getuint(fd); - b = ppm_getuint(fd); - - if (r == PLUGIN_ERROR || g == PLUGIN_ERROR || - b == PLUGIN_ERROR) - { - return PLUGIN_ERROR; - } - buffer[(cols * row) + col] = LCD_RGBPACK( - (255 / maxval) * r, - (255 / maxval) * g, - (255 / maxval) * b); - } - break; - - case RPPM_FORMAT: - for (col = 0; col < cols; ++col) { - r = ppm_getrawsample(fd, maxval); - g = ppm_getrawsample(fd, maxval); - b = ppm_getrawsample(fd, maxval); - - if (r == PLUGIN_ERROR || g == PLUGIN_ERROR || - b == PLUGIN_ERROR) - { - return PLUGIN_ERROR; - } - buffer[(cols * row) + col] = LCD_RGBPACK( - (255 / maxval) * r, - (255 / maxval) * g, - (255 / maxval) * b); - } - break; - - default: - ppm_error("What?!"); - return PLUGIN_ERROR; - } - return 1; -} - -int read_ppm(int fd, - int * const cols, - int * const rows, - int * const maxval) -{ - int row; - int format; - - read_ppm_init(fd, cols, rows, maxval, &format); - - if(format == PLUGIN_ERROR) { - return PLUGIN_ERROR; - } - - for (row = 0; row < *rows; ++row) { - if( read_ppm_row(fd, row, *cols, *maxval, format) == PLUGIN_ERROR) { - return PLUGIN_ERROR; - } - } - return 1; -} - -/* this is the plugin entry point */ -enum plugin_status plugin_start(const struct plugin_api* api, const void* parameter) -{ - static char filename[MAX_PATH]; - int fd; - - int cols; - int rows; - int maxval; - - int result; - - struct bitmap small_bitmap, orig_bitmap; - - if(!parameter) return PLUGIN_ERROR; - - rb = api; - - rb->strcpy(filename, parameter); - - fd = rb->open(filename, O_RDONLY); - if (fd < 0) - { - ppm_error("Couldnt open file: %s, %d", filename, fd); - return PLUGIN_ERROR; - } - - result = read_ppm(fd, &cols, &rows, &maxval); - - rb->close(fd); - if(result == PLUGIN_ERROR) return PLUGIN_ERROR; - - orig_bitmap.width = cols; - orig_bitmap.height = rows; - orig_bitmap.data = (char*)buffer; - - if (cols > LCD_WIDTH || rows > LCD_HEIGHT) - { - if (cols > LCD_WIDTH) { - small_bitmap.width = LCD_WIDTH; - small_bitmap.height = - (int)(((float)LCD_WIDTH / (float)cols) * (float)rows); - - } else { /* rows > LCD_HEIGHT */ - - small_bitmap.width = - (int)(((float)LCD_HEIGHT / (float)rows) * (float)cols); - small_bitmap.height = LCD_HEIGHT; - } - small_bitmap.data = (char*)lcd_buf; - - smooth_resize_bitmap( &orig_bitmap, &small_bitmap ); - - rb->lcd_bitmap((fb_data*)small_bitmap.data, 0, 0, - small_bitmap.width, small_bitmap.height); - } else { - rb->lcd_bitmap((fb_data*)orig_bitmap.data, 0, 0, cols, rows); - } - rb->lcd_update(); - rb->button_get(true); - - return PLUGIN_OK; -} - -#endif + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ****************************************************************************/ + +#include "plugin.h" +#include "bmp.h" + +#if defined(HAVE_LCD_COLOR) + +PLUGIN_HEADER + +/* Magic constants. */ +#define PPM_MAGIC1 'P' +#define PPM_MAGIC2 '3' +#define RPPM_MAGIC2 '6' +#define PPM_FORMAT (PPM_MAGIC1 * 256 + PPM_MAGIC2) +#define RPPM_FORMAT (PPM_MAGIC1 * 256 + RPPM_MAGIC2) + +#define PPM_OVERALLMAXVAL 65535 +#define PPM_MAXSIZE (300*1024)/sizeof(fb_data) + +#define ppm_error(...) rb->splash(HZ*2, __VA_ARGS__ ) + +static fb_data buffer[PPM_MAXSIZE]; +static fb_data lcd_buf[LCD_WIDTH * LCD_HEIGHT]; + +static const struct plugin_api* rb; /* global api struct pointer */ + +int ppm_read_magic_number(int fd) +{ + char i1, i2; + if(!rb->read(fd, &i1, 1) || !rb->read(fd, &i2, 1)) + { + ppm_error( "Error reading magic number from ppm image stream. "\ + "Most often, this means your input file is empty." ); + return PLUGIN_ERROR; + } + return i1 * 256 + i2; +} + +char ppm_getc(int fd) +{ + char ch; + + if (!rb->read(fd, &ch, 1)) { + ppm_error("EOF. Read error reading a byte"); + return PLUGIN_ERROR; + } + + if (ch == '#') { + do { + if (!rb->read(fd, &ch, 1)) { + ppm_error("EOF. Read error reading a byte"); + return PLUGIN_ERROR; + } + } while (ch != '\n' && ch != '\r'); + } + return ch; +} + +int ppm_getuint(int fd) +{ + char ch; + int i; + int digitVal; + + do { + ch = ppm_getc(fd); + } while (ch == ' ' || ch == '\t' || ch == '\n' || ch == '\r'); + + if (ch < '0' || ch > '9') { + ppm_error("Junk (%c) in file where an integer should be.", ch); + return PLUGIN_ERROR; + } + + i = 0; + + do { + digitVal = ch - '0'; + + if (i > INT_MAX/10 - digitVal) { + ppm_error("ASCII decimal integer in file is "\ + "too large to be processed."); + return PLUGIN_ERROR; + } + + i = i * 10 + digitVal; + ch = ppm_getc(fd); + + } while (ch >= '0' && ch <= '9'); + + return i; +} + +int ppm_getrawbyte(int fd) +{ + unsigned char by; + + if (!rb->read(fd, &by, 1)) { + ppm_error("EOF. Read error while reading a one-byte sample."); + return PLUGIN_ERROR; + } + + return (int)by; +} + +int ppm_getrawsample(int fd, int const maxval) +{ + if (maxval < 256) { + /* The sample is just one byte. Read it. */ + return(ppm_getrawbyte(fd)); + } else { + /* The sample is two bytes. Read both. */ + unsigned char byte_pair[2]; + + if (!rb->read(fd, byte_pair, 2)) { + ppm_error("EOF. Read error while reading a long sample."); + return PLUGIN_ERROR; + } + return((byte_pair[0]<<8) | byte_pair[1]); + } +} + +int read_ppm_init_rest(int fd, + int * const cols, + int * const rows, + int * const maxval) +{ + /* Read size. */ + *cols = ppm_getuint(fd); + *rows = ppm_getuint(fd); + + if ((long unsigned int)(*cols * *rows) > PPM_MAXSIZE) { + ppm_error("Imagesize (%ld pixels) is too large. "\ + "The maximum allowed is %ld.", + (long unsigned int)(*cols * *rows), + (long unsigned int)PPM_MAXSIZE); + return PLUGIN_ERROR; + } + + /* Read maxval. */ + *maxval = ppm_getuint(fd); + + if (*maxval > PPM_OVERALLMAXVAL) { + ppm_error("maxval of input image (%u) is too large. "\ + "The maximum allowed by the PPM is %u.", + *maxval, PPM_OVERALLMAXVAL); + return PLUGIN_ERROR; + } + if (*maxval == 0) { + ppm_error("maxval of input image is zero."); + return PLUGIN_ERROR; + } + return 1; +} + +void read_ppm_init(int fd, + int * const cols, + int * const rows, + int * const maxval, + int * const format) +{ + /* Check magic number. */ + *format = ppm_read_magic_number( fd ); + + if (*format == PLUGIN_ERROR) return; + switch (*format) { + case PPM_FORMAT: + case RPPM_FORMAT: + if(read_ppm_init_rest(fd, cols, rows, maxval) == PLUGIN_ERROR) { + *format = PLUGIN_ERROR; + } + break; + + default: + ppm_error( "Bad magic number - not a ppm or rppm file." ); + *format = PLUGIN_ERROR; + } +} + +int read_ppm_row(int fd, + int const row, + int const cols, + int const maxval, + int const format) +{ + int col; + int r, g, b; + switch (format) { + case PPM_FORMAT: + for (col = 0; col < cols; ++col) { + r = ppm_getuint(fd); + g = ppm_getuint(fd); + b = ppm_getuint(fd); + + if (r == PLUGIN_ERROR || g == PLUGIN_ERROR || + b == PLUGIN_ERROR) + { + return PLUGIN_ERROR; + } + buffer[(cols * row) + col] = LCD_RGBPACK( + (255 / maxval) * r, + (255 / maxval) * g, + (255 / maxval) * b); + } + break; + + case RPPM_FORMAT: + for (col = 0; col < cols; ++col) { + r = ppm_getrawsample(fd, maxval); + g = ppm_getrawsample(fd, maxval); + b = ppm_getrawsample(fd, maxval); + + if (r == PLUGIN_ERROR || g == PLUGIN_ERROR || + b == PLUGIN_ERROR) + { + return PLUGIN_ERROR; + } + buffer[(cols * row) + col] = LCD_RGBPACK( + (255 / maxval) * r, + (255 / maxval) * g, + (255 / maxval) * b); + } + break; + + default: + ppm_error("What?!"); + return PLUGIN_ERROR; + } + return 1; +} + +int read_ppm(int fd, + int * const cols, + int * const rows, + int * const maxval) +{ + int row; + int format; + + read_ppm_init(fd, cols, rows, maxval, &format); + + if(format == PLUGIN_ERROR) { + return PLUGIN_ERROR; + } + + for (row = 0; row < *rows; ++row) { + if( read_ppm_row(fd, row, *cols, *maxval, format) == PLUGIN_ERROR) { + return PLUGIN_ERROR; + } + } + return 1; +} + +/* this is the plugin entry point */ +enum plugin_status plugin_start(const struct plugin_api* api, const void* parameter) +{ + static char filename[MAX_PATH]; + int fd; + + int cols; + int rows; + int maxval; + + int result; + + struct bitmap small_bitmap, orig_bitmap; + + if(!parameter) return PLUGIN_ERROR; + + rb = api; + + rb->strcpy(filename, parameter); + + fd = rb->open(filename, O_RDONLY); + if (fd < 0) + { + ppm_error("Couldnt open file: %s, %d", filename, fd); + return PLUGIN_ERROR; + } + + result = read_ppm(fd, &cols, &rows, &maxval); + + rb->close(fd); + if(result == PLUGIN_ERROR) return PLUGIN_ERROR; + + orig_bitmap.width = cols; + orig_bitmap.height = rows; + orig_bitmap.data = (char*)buffer; + + if (cols > LCD_WIDTH || rows > LCD_HEIGHT) + { + if (cols > LCD_WIDTH) { + small_bitmap.width = LCD_WIDTH; + small_bitmap.height = + (int)(((float)LCD_WIDTH / (float)cols) * (float)rows); + + } else { /* rows > LCD_HEIGHT */ + + small_bitmap.width = + (int)(((float)LCD_HEIGHT / (float)rows) * (float)cols); + small_bitmap.height = LCD_HEIGHT; + } + small_bitmap.data = (char*)lcd_buf; + + smooth_resize_bitmap( &orig_bitmap, &small_bitmap ); + + rb->lcd_bitmap((fb_data*)small_bitmap.data, 0, 0, + small_bitmap.width, small_bitmap.height); + } else { + rb->lcd_bitmap((fb_data*)orig_bitmap.data, 0, 0, cols, rows); + } + rb->lcd_update(); + rb->button_get(true); + + return PLUGIN_OK; +} + +#endif -- cgit v1.2.3