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Diffstat (limited to 'Source/DirectFB/tools/mkdfiff.c')
| -rwxr-xr-x | Source/DirectFB/tools/mkdfiff.c | 444 |
1 files changed, 444 insertions, 0 deletions
diff --git a/Source/DirectFB/tools/mkdfiff.c b/Source/DirectFB/tools/mkdfiff.c new file mode 100755 index 0000000..b2fec18 --- /dev/null +++ b/Source/DirectFB/tools/mkdfiff.c @@ -0,0 +1,444 @@ +/* + (c) Copyright 2001-2009 The world wide DirectFB Open Source Community (directfb.org) + (c) Copyright 2000-2004 Convergence (integrated media) GmbH + + All rights reserved. + + Written by Denis Oliver Kropp <dok@directfb.org>, + Andreas Hundt <andi@fischlustig.de>, + Sven Neumann <neo@directfb.org>, + Ville Syrjälä <syrjala@sci.fi> and + Claudio Ciccani <klan@users.sf.net>. + + This file is subject to the terms and conditions of the MIT License: + + Permission is hereby granted, free of charge, to any person + obtaining a copy of this software and associated documentation + files (the "Software"), to deal in the Software without restriction, + including without limitation the rights to use, copy, modify, merge, + publish, distribute, sublicense, and/or sell copies of the Software, + and to permit persons to whom the Software is furnished to do so, + subject to the following conditions: + + The above copyright notice and this permission notice shall be + included in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY + CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +*/ + +#include <config.h> + +#include <errno.h> +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> + +#include <png.h> + +#include <directfb.h> +#include <directfb_strings.h> + +#include <direct/debug.h> + +#include <gfx/convert.h> + +#include <dfiff.h> + +static DirectFBPixelFormatNames( format_names ); + +static const char *filename; +static DFBSurfacePixelFormat format = DSPF_UNKNOWN; +static DFBSurfacePixelFormat rgbformat = DSPF_UNKNOWN; + +/**********************************************************************************************************************/ + +static DFBResult +load_image (const char *filename, + DFBSurfaceDescription *desc) +{ + DFBSurfacePixelFormat dest_format; + DFBSurfacePixelFormat src_format; + FILE *fp; + png_structp png_ptr = NULL; + png_infop info_ptr = NULL; + png_uint_32 width, height; + unsigned char *data = NULL; + int type; + char header[8]; + int bytes, pitch; + + dest_format = + (desc->flags & DSDESC_PIXELFORMAT) ? desc->pixelformat : DSPF_UNKNOWN; + + desc->flags = 0; + desc->preallocated[0].data = NULL; + + if (!(fp = fopen (filename, "rb"))) { + fprintf (stderr, "Failed to open file '%s': %s.\n", + filename, strerror (errno)); + goto cleanup; + } + + bytes = fread (header, 1, sizeof(header), fp); + if (png_sig_cmp ((unsigned char*) header, 0, bytes)) { + fprintf (stderr, "File '%s' doesn't seem to be a PNG image file.\n", + filename); + goto cleanup; + } + + png_ptr = png_create_read_struct (PNG_LIBPNG_VER_STRING, + NULL, NULL, NULL); + if (!png_ptr) + goto cleanup; + + if (setjmp (png_ptr->jmpbuf)) { + if (desc->preallocated[0].data) { + free (desc->preallocated[0].data); + desc->preallocated[0].data = NULL; + } + + /* data might have been clobbered, + set it to NULL and leak instead of crashing */ + data = NULL; + + goto cleanup; + } + + info_ptr = png_create_info_struct (png_ptr); + if (!info_ptr) + goto cleanup; + + png_init_io (png_ptr, fp); + png_set_sig_bytes (png_ptr, bytes); + + png_read_info (png_ptr, info_ptr); + + png_get_IHDR (png_ptr, info_ptr, + &width, &height, &bytes, &type, NULL, NULL, NULL); + + if (bytes == 16) + png_set_strip_16 (png_ptr); + +#ifdef WORDS_BIGENDIAN + png_set_swap_alpha (png_ptr); +#else + png_set_bgr (png_ptr); +#endif + + src_format = (type & PNG_COLOR_MASK_ALPHA) ? DSPF_ARGB : DSPF_RGB32; + switch (type) { + case PNG_COLOR_TYPE_GRAY: + if (dest_format == DSPF_A8) { + src_format = DSPF_A8; + break; + } + /* fallthru */ + case PNG_COLOR_TYPE_GRAY_ALPHA: + png_set_gray_to_rgb (png_ptr); + if (rgbformat) + dest_format = rgbformat; + break; + + case PNG_COLOR_TYPE_PALETTE: + png_set_palette_to_rgb (png_ptr); + /* fallthru */ + case PNG_COLOR_TYPE_RGB: + if (rgbformat) + dest_format = rgbformat; + case PNG_COLOR_TYPE_RGB_ALPHA: + if (dest_format == DSPF_RGB24) { + png_set_strip_alpha (png_ptr); + src_format = DSPF_RGB24; + } + break; + } + + switch (src_format) { + case DSPF_RGB32: + png_set_filler (png_ptr, 0xFF, +#ifdef WORDS_BIGENDIAN + PNG_FILLER_BEFORE +#else + PNG_FILLER_AFTER +#endif + ); + break; + case DSPF_ARGB: + case DSPF_A8: + if (png_get_valid (png_ptr, info_ptr, PNG_INFO_tRNS)) + png_set_tRNS_to_alpha (png_ptr); + break; + default: + break; + } + + pitch = (DFB_BYTES_PER_LINE( src_format, width ) + 7) & ~7; + + data = malloc (height * pitch); + if (!data) { + fprintf (stderr, "Failed to allocate %ld bytes.\n", height * pitch); + goto cleanup; + } + + { + unsigned int i; + png_bytep bptrs[height]; + + for (i = 0; i < height; i++) + bptrs[i] = data + i * pitch; + + png_read_image (png_ptr, bptrs); + } + + if (!dest_format) + dest_format = src_format; + + if (DFB_BYTES_PER_PIXEL(src_format) != DFB_BYTES_PER_PIXEL(dest_format)) { + unsigned char *s, *d, *dest; + int d_pitch, h; + + D_ASSERT( DFB_BYTES_PER_PIXEL(src_format) == 4 ); + + d_pitch = (DFB_BYTES_PER_LINE(dest_format, width) + 7) & ~7; + + dest = malloc (height * d_pitch); + if (!dest) { + fprintf (stderr, "Failed to allocate %ld bytes.\n", + height * d_pitch); + goto cleanup; + } + + h = height; + switch (dest_format) { + case DSPF_RGB16: + for (s = data, d = dest; h; h--, s += pitch, d += d_pitch) + dfb_argb_to_rgb16 ((u32 *) s, (u16 *) d, width); + break; + case DSPF_ARGB1555: + for (s = data, d = dest; h; h--, s += pitch, d += d_pitch) + dfb_argb_to_argb1555 ((u32 *) s, (u16 *) d, width); + break; + case DSPF_ARGB2554: + for (s = data, d = dest; h; h--, s += pitch, d += d_pitch) + dfb_argb_to_argb2554 ((u32 *) s, (u16 *) d, width); + break; + case DSPF_ARGB4444: + for (s = data, d = dest; h; h--, s += pitch, d += d_pitch) + dfb_argb_to_argb4444 ((u32 *) s, (u16 *) d, width); + break; + case DSPF_RGB332: + for (s = data, d = dest; h; h--, s += pitch, d += d_pitch) + dfb_argb_to_rgb332 ((u32 *) s, (u8 *) d, width); + break; + case DSPF_A8: + for (s = data, d = dest; h; h--, s += pitch, d += d_pitch) + dfb_argb_to_a8 ((u32 *) s, (u8 *) d, width); + break; + default: + fprintf (stderr, + "Sorry, unsupported format conversion.\n"); + goto cleanup; + } + + free (data); + data = dest; + pitch = d_pitch; + } + + desc->flags = (DSDESC_WIDTH | DSDESC_HEIGHT | DSDESC_PIXELFORMAT | + DSDESC_PREALLOCATED); + desc->width = width; + desc->height = height; + desc->pixelformat = dest_format; + desc->preallocated[0].pitch = pitch; + desc->preallocated[0].data = data; + + data = NULL; + + cleanup: + if (fp) + fclose (fp); + + if (png_ptr) + png_destroy_read_struct (&png_ptr, &info_ptr, NULL); + + if (data) + free (data); + + return ((desc->flags) ? DFB_OK : DFB_FAILURE); +} + +/**********************************************************************************************************************/ + +static void +print_usage (const char *prg_name) +{ + int i = 0; + + fprintf (stderr, "\nDirectFB Fast Image File Format Tool (version %s)\n\n", DIRECTFB_VERSION); + fprintf (stderr, "Usage: %s [options]\n\n", prg_name); + fprintf (stderr, "Options:\n"); + fprintf (stderr, " -f, --format <pixelformat> Choose the pixel format (in all cases)\n"); + fprintf (stderr, " -r, --rgbformat <pixelformat> Choose the pixel format (in case of RGB)\n"); + fprintf (stderr, " -h, --help Show this help message\n"); + fprintf (stderr, " -v, --version Print version information\n"); + fprintf (stderr, "\n"); + + fprintf (stderr, "Known pixel formats:\n"); + + while (format_names[i].format != DSPF_UNKNOWN) { + DFBSurfacePixelFormat format = format_names[i].format; + + fprintf (stderr, " %-10s %2d bits, %d bytes", + format_names[i].name, DFB_BITS_PER_PIXEL(format), + DFB_BYTES_PER_PIXEL(format)); + + if (DFB_PIXELFORMAT_HAS_ALPHA(format)) + fprintf (stderr, " ALPHA"); + + if (DFB_PIXELFORMAT_IS_INDEXED(format)) + fprintf (stderr, " INDEXED"); + + if (DFB_PLANAR_PIXELFORMAT(format)) { + int planes = DFB_PLANE_MULTIPLY(format, 1000); + + fprintf (stderr, " PLANAR (x%d.%03d)", + planes / 1000, planes % 1000); + } + + fprintf (stderr, "\n"); + + ++i; + } + fprintf (stderr, "\n"); +} + +static DFBBoolean +parse_format( const char *arg, DFBSurfacePixelFormat *ret_format ) +{ + int i = 0; + + while (format_names[i].format != DSPF_UNKNOWN) { + if (!strcasecmp( arg, format_names[i].name )) { + *ret_format = format_names[i].format; + return DFB_TRUE; + } + + ++i; + } + + fprintf (stderr, "\nInvalid format specified!\n\n" ); + + return DFB_FALSE; +} + +static DFBBoolean +parse_command_line( int argc, char *argv[] ) +{ + int n; + + for (n = 1; n < argc; n++) { + const char *arg = argv[n]; + + if (strcmp (arg, "-h") == 0 || strcmp (arg, "--help") == 0) { + print_usage (argv[0]); + return DFB_FALSE; + } + + if (strcmp (arg, "-v") == 0 || strcmp (arg, "--version") == 0) { + fprintf (stderr, "mkdfiff version %s\n", DIRECTFB_VERSION); + return DFB_FALSE; + } + + if (strcmp (arg, "-f") == 0 || strcmp (arg, "--format") == 0) { + if (++n == argc) { + print_usage (argv[0]); + return DFB_FALSE; + } + + if (!parse_format( argv[n], &format )) + return DFB_FALSE; + + continue; + } + + if (strcmp (arg, "-r") == 0 || strcmp (arg, "--rgbformat") == 0) { + if (++n == argc) { + print_usage (argv[0]); + return DFB_FALSE; + } + + if (!parse_format( argv[n], &rgbformat )) + return DFB_FALSE; + + continue; + } + + if (filename || access( arg, R_OK )) { + print_usage (argv[0]); + return DFB_FALSE; + } + + filename = arg; + } + + if (!filename) { + print_usage (argv[0]); + return DFB_FALSE; + } + + return DFB_TRUE; +} + +/**********************************************************************************************************************/ + +static DFIFFHeader header = { + magic: { 'D', 'F', 'I', 'F', 'F' }, + major: 0, + minor: 0, + flags: DFIFF_FLAG_LITTLE_ENDIAN +}; + +int +main( int argc, char *argv[] ) +{ + int i; + DFBSurfaceDescription desc = { flags: DSDESC_NONE }; + + /* Parse the command line. */ + if (!parse_command_line( argc, argv )) + return -1; + + if (format != DSPF_UNKNOWN) { + desc.flags |= DSDESC_PIXELFORMAT; + desc.pixelformat = format; + } + + if (load_image( filename, &desc )) + return -2; + + for (i=0; i<D_ARRAY_SIZE(format_names); i++) { + if (format_names[i].format == desc.pixelformat) { + fprintf( stderr, "Writing %dx%d %s image...\n", desc.width, desc.height, + format_names[i].name ); + break; + } + } + + header.width = desc.width; + header.height = desc.height; + header.format = desc.pixelformat; + header.pitch = desc.preallocated[0].pitch; + + fwrite( &header, sizeof(header), 1, stdout ); + + fwrite( desc.preallocated[0].data, header.pitch, header.height, stdout ); + + return 0; +} |