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| author | Frank Gevaerts <frank@gevaerts.be> | 2008-06-30 18:17:58 +0000 |
|---|---|---|
| committer | Frank Gevaerts <frank@gevaerts.be> | 2008-06-30 18:17:58 +0000 |
| commit | 97a143279b78799d722e3f992e1a59e32ef3c489 (patch) | |
| tree | 1d06cd4dd0bfcfc0c6d3f1ff01038d5d4703b509 /apps/plugins | |
| parent | f69982bb0b24769ad3dd5dc543f50ce444bc182c (diff) | |
| download | rockbox-97a143279b78799d722e3f992e1a59e32ef3c489.zip rockbox-97a143279b78799d722e3f992e1a59e32ef3c489.tar.gz rockbox-97a143279b78799d722e3f992e1a59e32ef3c489.tar.bz2 rockbox-97a143279b78799d722e3f992e1a59e32ef3c489.tar.xz | |
fix line endings and properties
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17892 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'apps/plugins')
| -rw-r--r-- | apps/plugins/ppmviewer.c | 664 |
1 files changed, 332 insertions, 332 deletions
diff --git a/apps/plugins/ppmviewer.c b/apps/plugins/ppmviewer.c index 04d4b00..4c24a5d 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 |