Rework ppmviewer to fit our shiny new imageviewer framework. FS#11818 by me.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@29012 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 0 insertions, 355 deletions

diff --git a/apps/plugins/ppmviewer.c b/apps/plugins/ppmviewer.c
deleted file mode 100644
index e138692..0000000
--- a/apps/plugins/ppmviewer.c
+++ /dev/null
@@ -1,355 +0,0 @@
-/*****************************************************************************
- *             __________               __   ___.
- *   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 "lib/pluginlib_bmp.h"
-
-/* 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->splashf(HZ*2, __VA_ARGS__ )
-
-static fb_data *buffer, *lcd_buf;
-
-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;
-    }
-}
-
-#if   defined(LCD_STRIDEFORMAT) && LCD_STRIDEFORMAT == VERTICAL_STRIDE
-#define BUFADDR(x, y, width, height) ( buffer + height*(x) + (y))
-#else
-#define BUFADDR(x, y, width, height) ( buffer + width*(y) + (x))
-#endif
-
-int read_ppm_row(int fd, 
-                 int const row, 
-                 int const cols, 
-                 int const rows,
-                 int const maxval, 
-                 int const format)
-{
-#if   !(defined(LCD_STRIDEFORMAT) && LCD_STRIDEFORMAT == VERTICAL_STRIDE)
-    (void) rows;
-#endif
-
-    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;
-                } 
-                *BUFADDR(col, row, cols, rows) = 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;
-                } 
-                *BUFADDR(col, row, cols, rows) = 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, *rows, *maxval, format) == PLUGIN_ERROR) {
-            return PLUGIN_ERROR;
-        }
-    }
-    return 1;
-}
-
-/* this is the plugin entry point */
-enum plugin_status plugin_start(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;
-
-    size_t buffer_size;
-    char *audiobuf = rb->plugin_get_buffer(&buffer_size);
-    if (buffer_size < PPM_MAXSIZE + LCD_WIDTH * LCD_HEIGHT + 1)
-    {
-        /* steal from audiobuffer if plugin buffer is too small */
-        audiobuf = rb->plugin_get_audio_buffer(&buffer_size);
-
-        if (buffer_size < PPM_MAXSIZE + LCD_WIDTH * LCD_HEIGHT + 1)
-        {
-            rb->splash(HZ, "Not enough memory");
-            return PLUGIN_ERROR;
-        }
-    }
-
-    /* align on 16 bits */
-    audiobuf = (char *)(((uintptr_t)audiobuf + 1) & ~1);
-    buffer = (fb_data *)audiobuf;
-    lcd_buf = (fb_data*) (audiobuf + PPM_MAXSIZE);
-
-    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;
-}