diff options
Diffstat (limited to 'converter')
| -rw-r--r-- | converter/other/pnmtorast.c | 501 | ||||
| -rw-r--r-- | converter/other/rast.h | 15 | ||||
| -rw-r--r-- | converter/other/rasttopnm.c | 295 | ||||
| -rw-r--r-- | converter/other/tifftopnm.c | 2 | ||||
| -rw-r--r-- | converter/ppm/ppmtompeg/headers/dct.h | 1 | ||||
| -rw-r--r-- | converter/ppm/ppmtompeg/headers/general.h | 8 | ||||
| -rw-r--r-- | converter/ppm/ppmtompeg/mfwddct.c | 180 | ||||
| -rw-r--r-- | converter/ppm/ppmtompeg/opts.c | 2 | ||||
| -rw-r--r-- | converter/ppm/ppmtompeg/ppmtompeg.c | 2 |
9 files changed, 627 insertions, 379 deletions
diff --git a/converter/other/pnmtorast.c b/converter/other/pnmtorast.c index 605e815c..e11d3cb7 100644 --- a/converter/other/pnmtorast.c +++ b/converter/other/pnmtorast.c @@ -19,103 +19,285 @@ static colormap_t * -alloc_pr_colormap(void) { - - colormap_t* pr_colormapP; - - MALLOCVAR(pr_colormapP); - if ( pr_colormapP == NULL ) - pm_error( "out of memory" ); - pr_colormapP->type = RMT_EQUAL_RGB; - pr_colormapP->length = MAXCOLORS; - MALLOCARRAY(pr_colormapP->map[0], MAXCOLORS); - MALLOCARRAY(pr_colormapP->map[1], MAXCOLORS); - MALLOCARRAY(pr_colormapP->map[2], MAXCOLORS); - if ( pr_colormapP->map[0] == NULL || - pr_colormapP->map[1] == NULL || - pr_colormapP->map[2] == NULL ) - pm_error( "out of memory" ); - - return pr_colormapP; +allocPrColormap(void) { + + colormap_t * prColormapP; + + MALLOCVAR(prColormapP); + if (prColormapP == NULL) + pm_error("out of memory"); + prColormapP->type = RMT_EQUAL_RGB; + prColormapP->length = MAXCOLORS; + MALLOCARRAY(prColormapP->map[0], MAXCOLORS); + MALLOCARRAY(prColormapP->map[1], MAXCOLORS); + MALLOCARRAY(prColormapP->map[2], MAXCOLORS); + if (prColormapP->map[0] == NULL || + prColormapP->map[1] == NULL || + prColormapP->map[2] == NULL) + pm_error("out of memory"); + + return prColormapP; } -static colormap_t* -make_pr_colormap(colorhist_vector const chv, - int const colors) { +static colormap_t * +makePrColormap(colorhist_vector const chv, + unsigned int const colors) { - colormap_t* pr_colormapP; - int i; + colormap_t * prColormapP; + unsigned int i; - pr_colormapP = alloc_pr_colormap( ); + prColormapP = allocPrColormap(); - for ( i = 0; i < colors; ++i ) - { - pr_colormapP->map[0][i] = PPM_GETR( chv[i].color ); - pr_colormapP->map[1][i] = PPM_GETG( chv[i].color ); - pr_colormapP->map[2][i] = PPM_GETB( chv[i].color ); + for (i = 0; i < colors; ++i) { + prColormapP->map[0][i] = PPM_GETR(chv[i].color); + prColormapP->map[1][i] = PPM_GETG(chv[i].color); + prColormapP->map[2][i] = PPM_GETB(chv[i].color); } - for ( ; i < MAXCOLORS; ++i ) - pr_colormapP->map[0][i] = pr_colormapP->map[1][i] = - pr_colormapP->map[2][i] = 0; - - return pr_colormapP; + for ( ; i < MAXCOLORS; ++i) { + prColormapP->map[0][i] = 0; + prColormapP->map[1][i] = 0; + prColormapP->map[2][i] = 0; + } + return prColormapP; } static colormap_t * -make_gray_pr_colormap(void) { +makeGrayPrColormap(void) { - colormap_t* pr_colormapP; - int i; + colormap_t * prColormapP; + unsigned int i; - pr_colormapP = alloc_pr_colormap( ); + prColormapP = allocPrColormap(); - for ( i = 0; i < MAXCOLORS; ++i ) - { - pr_colormapP->map[0][i] = i; - pr_colormapP->map[1][i] = i; - pr_colormapP->map[2][i] = i; + for (i = 0; i < MAXCOLORS; ++i) { + prColormapP->map[0][i] = i; + prColormapP->map[1][i] = i; + prColormapP->map[2][i] = i; + } + + return prColormapP; +} + + + +static void +doRowDepth1(const xel * const xelrow, + unsigned char * const rastRow, + unsigned int const cols, + int const format, + xelval const maxval, + colorhash_table const cht, + unsigned int * const lenP) { + + unsigned int col; + int bitcount; + unsigned int cursor; + + cursor = 0; + + rastRow[cursor] = 0; + bitcount = 7; + + for (col = 0; col < cols; ++col) { + switch (PNM_FORMAT_TYPE(format)) { + case PPM_TYPE: { + xel adjustedXel; + int color; + if (maxval != 255) + PPM_DEPTH(adjustedXel, xelrow[col], maxval, 255 ); + color = ppm_lookupcolor(cht, &adjustedXel); + if (color == -1) + pm_error("color not found?!? " + "col=%u r=%u g=%u b=%u", + col, + PPM_GETR(adjustedXel), + PPM_GETG(adjustedXel), + PPM_GETB(adjustedXel)); + if (color) + rastRow[cursor] |= 1 << bitcount; + } break; + + default: { + int const color = PNM_GET1(xelrow[col]); + if (!color) + rastRow[cursor] |= 1 << bitcount; + break; + } + } + --bitcount; + if (bitcount < 0) { + ++cursor; + rastRow[cursor] = 0; + bitcount = 7; + } + } + *lenP = cursor; +} + + + +static void +doRowDepth8(const xel * const xelrow, + unsigned char * const rastRow, + unsigned int const cols, + int const format, + xelval const maxval, + colorhash_table const cht, + unsigned int * const lenP) { + + unsigned int col; + unsigned int cursor; + + for (col = 0, cursor = 0; col < cols; ++col) { + int color; /* color index of pixel or -1 if not in 'cht' */ + + switch (PNM_FORMAT_TYPE(format)) { + case PPM_TYPE: { + xel adjustedXel; + + if (maxval == 255) + adjustedXel = xelrow[col]; + else + PPM_DEPTH(adjustedXel, xelrow[col], maxval, 255); + + color = ppm_lookupcolor(cht, &adjustedXel); + if (color == -1) + pm_error("color not found?!? " + "col=%u r=%u g=%u b=%u", + col, + PPM_GETR(adjustedXel), + PPM_GETG(adjustedXel), + PPM_GETB(adjustedXel)); + } break; + + case PGM_TYPE: { + int const rawColor = PNM_GET1(xelrow[col]); + + color = maxval == 255 ? rawColor : rawColor * 255 / maxval; + + } break; + + default: + color = PNM_GET1(xelrow[col]); + } + rastRow[cursor++] = color; } + *lenP = cursor; +} + - return pr_colormapP; + + +static void +doRowDepth24(const xel * const xelrow, + unsigned char * const rastRow, + unsigned int const cols, + int const format, + xelval const maxval, + unsigned int * const lenP) { + + /* Since depth is 24, we do NOT have a valid cht. */ + + unsigned int col; + unsigned int cursor; + + for (col = 0, cursor = 0; col < cols; ++col) { + xel adjustedXel; + + if (maxval == 255) + adjustedXel = xelrow[col]; + else + PPM_DEPTH(adjustedXel, xelrow[col], maxval, 255); + + rastRow[cursor++] = PPM_GETB(adjustedXel); + rastRow[cursor++] = PPM_GETG(adjustedXel); + rastRow[cursor++] = PPM_GETR(adjustedXel); + } + *lenP = cursor; +} + + + +static void +computeRaster(unsigned char * const rastRaster, + unsigned int const lineSize, + unsigned int const depth, + unsigned int const cols, + unsigned int const rows, + int const format, + xelval const maxval, + xel ** const xels, + colorhash_table const cht) { + + unsigned int row; + unsigned char * rastRow; + + for (row = 0, rastRow = &rastRaster[0]; row < rows; ++row) { + xel * const xelrow = xels[row]; + + unsigned int len; /* Number of bytes of rast data added to rastRow[] */ + + switch (depth) { + case 1: + doRowDepth1(xelrow, rastRow, cols, format, maxval, cht, &len); + break; + case 8: + doRowDepth8(xelrow, rastRow, cols, format, maxval, cht, &len); + break; + case 24: + doRowDepth24(xelrow, rastRow, cols, format, maxval, &len); + break; + default: + pm_error("INTERNAL ERROR: impossible depth %u", depth); + } + { + /* Pad out the line (which has a rounded size) with zeroes so + the resulting file is repeatable. + */ + unsigned int i; + for (i = len; i < lineSize; ++i) + rastRow[i] = 0; + } + rastRow += lineSize; + } } int -main(int argc, char ** argv) { +main(int argc, const char ** argv) { - FILE* ifp; - xel** xels; - xel* xelrow; + FILE * ifP; + xel ** xels; xel p; - register xel* xP; colorhist_vector chv; colorhash_table cht; - colormap_t* pr_colormapP; - int argn, pr_type, rows, cols, format, i; - int depth, colors, linesize, row; - register int col, bitcount; + colormap_t * prColormapP; + int argn; + int prType; + int rows, cols; + int format; + unsigned int depth; + int colorCt; xelval maxval; - struct pixrect* pr; - unsigned char* data; - register unsigned char* byteP; - const char* const usage = "[-standard|-rle] [pnmfile]"; + struct pixrect * prP; + const char * const usage = "[-standard|-rle] [pnmfile]"; - pnm_init( &argc, argv ); + pm_proginit(&argc, argv); argn = 1; - pr_type = RT_BYTE_ENCODED; + prType = RT_BYTE_ENCODED; while ( argn < argc && argv[argn][0] == '-' && argv[argn][1] != '\0' ) { if ( pm_keymatch( argv[argn], "-standard", 2 ) ) - pr_type = RT_STANDARD; + prType = RT_STANDARD; else if ( pm_keymatch( argv[argn], "-rle", 2 ) ) - pr_type = RT_BYTE_ENCODED; + prType = RT_BYTE_ENCODED; else pm_usage( usage ); ++argn; @@ -123,191 +305,96 @@ main(int argc, char ** argv) { if ( argn != argc ) { - ifp = pm_openr( argv[argn] ); + ifP = pm_openr( argv[argn] ); ++argn; } else - ifp = stdin; + ifP = stdin; if ( argn != argc ) pm_usage( usage ); - xels = pnm_readpnm( ifp, &cols, &rows, &maxval, &format ); + xels = pnm_readpnm(ifP, &cols, &rows, &maxval, &format); - pm_close( ifp ); + pm_close(ifP); /* Figure out the proper depth and colormap. */ - switch ( PNM_FORMAT_TYPE(format) ) - { + switch (PNM_FORMAT_TYPE(format)) { case PPM_TYPE: - pm_message( "computing colormap..." ); - chv = ppm_computecolorhist( xels, cols, rows, MAXCOLORS, &colors ); - if ( chv == (colorhist_vector) 0 ) - { + pm_message("computing colormap..."); + chv = ppm_computecolorhist(xels, cols, rows, MAXCOLORS, &colorCt); + if (!chv) { pm_message( - "Too many colors - proceeding to write a 24-bit non-mapped" ); + "Too many colors - proceeding to write a 24-bit non-mapped"); pm_message( "rasterfile. If you want 8 bits, try doing a 'pnmquant %d'.", - MAXCOLORS ); + MAXCOLORS); depth = 24; - pr_type = RT_STANDARD; - pr_colormapP = (colormap_t*) 0; - } - else - { - pm_message( "%d colors found", colors ); - - if ( maxval != 255 ) - for ( i = 0; i < colors; ++i ) - PPM_DEPTH( chv[i].color, chv[i].color, maxval, 255 ); - + prType = RT_STANDARD; + prColormapP = NULL; + } else { + pm_message("%u colors found", colorCt); + + if (maxval != 255) { + unsigned int i; + for (i = 0; i < colorCt; ++i) + PPM_DEPTH(chv[i].color, chv[i].color, maxval, 255); + } /* Force white to slot 0 and black to slot 1, if possible. */ - PPM_ASSIGN( p, 255, 255, 255 ); - ppm_addtocolorhist( chv, &colors, MAXCOLORS, &p, 0, 0 ); - PPM_ASSIGN( p, 0, 0, 0 ); - ppm_addtocolorhist( chv, &colors, MAXCOLORS, &p, 0, 1 ); - - if ( colors == 2 ) - { - /* Monochrome. */ + PPM_ASSIGN(p, 255, 255, 255); + ppm_addtocolorhist(chv, &colorCt, MAXCOLORS, &p, 0, 0); + PPM_ASSIGN(p, 0, 0, 0); + ppm_addtocolorhist(chv, &colorCt, MAXCOLORS, &p, 0, 1); + + if (colorCt == 2) { + /* Monochrome */ depth = 1; - pr_colormapP = (colormap_t*) 0; - } - else - { + prColormapP = NULL; + } else { /* Turn the ppm colormap into the appropriate Sun colormap. */ depth = 8; - pr_colormapP = make_pr_colormap( chv, colors ); + prColormapP = makePrColormap(chv, colorCt); } - cht = ppm_colorhisttocolorhash( chv, colors ); - ppm_freecolorhist( chv ); + cht = ppm_colorhisttocolorhash(chv, colorCt); + ppm_freecolorhist(chv); } break; case PGM_TYPE: depth = 8; - pr_colormapP = make_gray_pr_colormap( ); + prColormapP = makeGrayPrColormap(); break; default: depth = 1; - pr_colormapP = (colormap_t*) 0; + prColormapP = NULL; break; } - if ( maxval > 255 && depth != 1 ) + if (maxval > 255 && depth != 1) pm_message( - "maxval is not 255 - automatically rescaling colors" ); + "maxval is not 255 - automatically rescaling colors"); /* Allocate space for the Sun-format image. */ - if ( (pr = mem_create(cols, rows, depth)) == (struct pixrect*) 0 ) - pm_error( "unable to create new pixrect" ); - data = ( (struct mpr_data*) pr->pr_data )->md_image; - linesize = ( (struct mpr_data*) pr->pr_data )->md_linebytes; - - /* And compute the Sun image. The variables at this point are: - ** cht is null or not - ** depth is 1, 8, or 24 - */ - for ( row = 0; row < rows; ++row ) - { - xelrow = xels[row]; - byteP = data; - switch ( depth ) - { - case 1: - *byteP = 0; - bitcount = 7; - for ( col = 0, xP = xelrow; col < cols; ++col, ++xP ) - { - register int color; - - switch ( PNM_FORMAT_TYPE(format) ) - { - case PPM_TYPE: - if ( maxval != 255 ) - PPM_DEPTH( *xP, *xP, maxval, 255 ); - color = ppm_lookupcolor( cht, xP ); - if ( color == -1 ) - pm_error( - "color not found?!? row=%d col=%d r=%d g=%d b=%d", - row, col, PPM_GETR(*xP), PPM_GETG(*xP), - PPM_GETB(*xP) ); - if ( color ) - *byteP |= 1 << bitcount; - break; - - default: - color = PNM_GET1( *xP ); - if ( ! color ) - *byteP |= 1 << bitcount; - break; - } - --bitcount; - if ( bitcount < 0 ) - { - ++byteP; - *byteP = 0; - bitcount = 7; - } - } - break; - - case 8: - for ( col = 0, xP = xelrow; col < cols; ++col, ++xP ) - { - register int color; - - switch ( PNM_FORMAT_TYPE(format) ) - { - case PPM_TYPE: - if ( maxval != 255 ) - PPM_DEPTH( *xP, *xP, maxval, 255 ); - color = ppm_lookupcolor( cht, xP ); - if ( color == -1 ) - pm_error( - "color not found?!? row=%d col=%d r=%d g=%d b=%d", - row, col, PPM_GETR(*xP), PPM_GETG(*xP), - PPM_GETB(*xP) ); - break; - - case PGM_TYPE: - color = PNM_GET1( *xP ); - if ( maxval != 255 ) - color = color * 255 / maxval; - break; - - default: - color = PNM_GET1( *xP ); - } - *byteP++ = color; - } - break; + prP = mem_create(cols, rows, depth); + if (!prP) + pm_error("unable to create new pixrect"); - case 24: - /* If depth is 24, we do NOT have a valid cht. */ - for ( col = 0, xP = xelrow; col < cols; ++col, ++xP ) - { - if ( maxval != 255 ) - PPM_DEPTH( *xP, *xP, maxval, 255 ); - *byteP++ = PPM_GETB( *xP ); - *byteP++ = PPM_GETG( *xP ); - *byteP++ = PPM_GETR( *xP ); - } - break; + computeRaster(prP->pr_data->md_image, + prP->pr_data->md_linebytes, + depth, + cols, rows, format, maxval, xels, cht); - default: - pm_error( "can't happen" ); - } - data += linesize; - } - pnm_freearray( xels, rows ); + pnm_freearray(xels, rows); - /* Finally, write the sucker out. */ - if ( pr_dump( pr, stdout, pr_colormapP, pr_type, 0 ) == PIX_ERR ) - pm_error( "error writing rasterfile" ); + { + int rc; - exit( 0 ); + rc = pr_dump(prP, stdout, prColormapP, prType, 0); + if (rc == PIX_ERR ) + pm_error("error writing rasterfile"); + } + return 0; } diff --git a/converter/other/rast.h b/converter/other/rast.h index e79896ea..eb6f4ec4 100644 --- a/converter/other/rast.h +++ b/converter/other/rast.h @@ -49,7 +49,7 @@ struct rasterfile { #define RMT_EQUAL_RGB 1 #define RMT_RAW 2 long ras_maplength; - }; +}; struct pixrectops { int (*pro_rop)(); @@ -65,21 +65,22 @@ struct pixrectops { int (*pro_getcolormap)(); int (*pro_putattributes)(); int (*pro_getattributes)(); - }; +}; struct pr_size { int x, y; - }; +}; + struct pr_pos { int x, y; - }; +}; struct pixrect { struct pixrectops* pr_ops; struct pr_size pr_size; int pr_depth; struct mpr_data* pr_data; /* work-alike only handles memory pixrects */ - }; +}; struct mpr_data { int md_linebytes; @@ -87,13 +88,13 @@ struct mpr_data { struct pr_pos md_offset; short md_primary; short md_flags; - }; +}; typedef struct { int type; int length; unsigned char* map[3]; - } colormap_t; +} colormap_t; /* And the routine definitions. */ diff --git a/converter/other/rasttopnm.c b/converter/other/rasttopnm.c index 2d081489..285fc5e0 100644 --- a/converter/other/rasttopnm.c +++ b/converter/other/rasttopnm.c @@ -24,6 +24,8 @@ struct cmdlineInfo { */ const char * inputFileName; unsigned int index; + unsigned int dumpheader; + unsigned int dumpcolormap; }; @@ -50,7 +52,12 @@ parseCommandLine(int argc, const char ** argv, opt.short_allowed = false; /* We have no short (old-fashioned) options */ opt.allowNegNum = false; /* We have no parms that are negative numbers */ - OPTENT3(0, "index", OPT_FLAG, NULL, &cmdlineP->index, 0); + OPTENT3(0, "index", OPT_FLAG, NULL, + &cmdlineP->index, 0); + OPTENT3(0, "dumpheader", OPT_FLAG, NULL, + &cmdlineP->dumpheader, 0); + OPTENT3(0, "dumpcolormap", OPT_FLAG, NULL, + &cmdlineP->dumpcolormap, 0); pm_optParseOptions3(&argc, (char **)argv, opt, sizeof(opt), 0); /* Uses and sets argc, argv, and some of *cmdlineP and others. */ @@ -67,13 +74,14 @@ parseCommandLine(int argc, const char ** argv, static bool -colorMapIsGrayscale(colormap_t const colorMap, - unsigned int const mapLength) { - +colorMapIsGrayscale(colormap_t const colorMap) { +/*---------------------------------------------------------------------------- + The color map contains only gray. +-----------------------------------------------------------------------------*/ unsigned int i; bool grayscale; - for (i = 0, grayscale = true; i < mapLength / 3; ++i) { + for (i = 0, grayscale = true; i < colorMap.length; ++i) { if (colorMap.map[0][i] != colorMap.map[1][i] || colorMap.map[1][i] != colorMap.map[2][i]) { grayscale = false; @@ -94,8 +102,7 @@ analyzeImage(struct rasterfile const header, xel * const oneP) { bool const grayscale = - header.ras_maplength == 0 || - colorMapIsGrayscale(colorMap, header.ras_maplength); + header.ras_maplength == 0 || colorMapIsGrayscale(colorMap); *grayscaleP = grayscale; @@ -186,6 +193,117 @@ reportOutputType(int const format) { static void +convertRowDepth1(const unsigned char * const rastLine, + unsigned int const cols, + xel const zeroXel, + xel const oneXel, + xel * const xelrow) { + + const unsigned char * byteP; + unsigned int col; + unsigned char mask; + + byteP = rastLine; /* initial value */ + + for (col = 0, mask = 0x80; col < cols; ++col) { + if (mask == 0x00) { + ++byteP; + mask = 0x80; + } + xelrow[col] = (*byteP & mask) ? oneXel : zeroXel; + mask = mask >> 1; + } +} + + + +static void +convertRowDepth8(const unsigned char * const lineStart, + unsigned int const cols, + bool const colorMapped, + bool const useIndexForColor, + bool const grayscale, + colormap_t const colorMap, + xel * const xelrow) { +/*---------------------------------------------------------------------------- + Convert a line of raster data from the RAST input to a row of raster + data for the PNM output. + + 'lineStart' is where the RAST row starts. 'xelrow' is where to put the + PNM row. 'cols' is the number of pixels in the row. + + 'colorMapped' means the RAST image is colormapped. If so, 'colorMap' + is the color map from the RAST file and 'useIndexForColor' means not + to use that map but instead to create a PGM row of the colormap + _indices_. + + 'grayscale' means it is a grayscale image; the output is PGM. +-----------------------------------------------------------------------------*/ + const unsigned char * byteP; + unsigned int col; + + byteP = lineStart; /* initial value */ + + for (col = 0; col < cols; ++col) { + if (colorMapped && !useIndexForColor) { + if (grayscale) + PNM_ASSIGN1(xelrow[col], colorMap.map[0][*byteP]); + else + PPM_ASSIGN(xelrow[col], + colorMap.map[0][*byteP], + colorMap.map[1][*byteP], + colorMap.map[2][*byteP]); + } else + PNM_ASSIGN1(xelrow[col], *byteP); + + ++byteP; + } +} + + + +static void +convertRowRgb(const unsigned char * const lineStart, + unsigned int const cols, + unsigned int const depth, + long const rastType, + bool const colorMapped, + bool const useIndexForColor, + colormap_t const colorMap, + xel * const xelrow) { + + const unsigned char * byteP; + unsigned int col; + + byteP = lineStart; /* initial value */ + + for (col = 0; col < cols; ++col) { + xelval r, g, b; + + if (depth == 32) + ++byteP; + if (rastType == RT_FORMAT_RGB) { + r = *byteP++; + g = *byteP++; + b = *byteP++; + } else { + b = *byteP++; + g = *byteP++; + r = *byteP++; + } + if (colorMapped && !useIndexForColor) + PPM_ASSIGN(xelrow[col], + colorMap.map[0][r], + colorMap.map[1][g], + colorMap.map[2][b]); + else + PPM_ASSIGN(xelrow[col], r, g, b); + } +} + + + +static void writePnm(FILE * const ofP, const struct pixrect * const pixRectP, unsigned int const cols, @@ -201,10 +319,7 @@ writePnm(FILE * const ofP, xel const oneXel, bool const useIndexForColor) { - unsigned int const lineSize = - ((struct mpr_data*) pixRectP->pr_data)->md_linebytes; - unsigned char * const data = - ((struct mpr_data*) pixRectP->pr_data)->md_image; + struct mpr_data const mprData = *pixRectP->pr_data; xel * xelrow; unsigned int row; @@ -216,66 +331,23 @@ writePnm(FILE * const ofP, reportOutputType(format); - for (row = 0, lineStart = data; row < rows; ++row, lineStart += lineSize) { - unsigned char * byteP; - - byteP = lineStart; /* initial value */ + for (row = 0, lineStart = mprData.md_image; + row < rows; + ++row, lineStart += mprData.md_linebytes) { switch (depth) { - case 1: { - unsigned int col; - unsigned char mask; - for (col = 0, mask = 0x80; col < cols; ++col) { - if (mask == 0x00) { - ++byteP; - mask = 0x80; - } - xelrow[col] = (*byteP & mask) ? oneXel : zeroXel; - mask = mask >> 1; - } - } break; - case 8: { - unsigned int col; - for (col = 0; col < cols; ++col) { - if (colorMapped && !useIndexForColor) - if (grayscale) - PNM_ASSIGN1(xelrow[col], colorMap.map[0][*byteP]); - else - PPM_ASSIGN(xelrow[col], - colorMap.map[0][*byteP], - colorMap.map[1][*byteP], - colorMap.map[2][*byteP]); - else - PNM_ASSIGN1(xelrow[col], *byteP); - ++byteP; - } - } break; + case 1: + convertRowDepth1(lineStart, cols, zeroXel, oneXel, xelrow); + break; + case 8: + convertRowDepth8(lineStart, cols, colorMapped, useIndexForColor, + grayscale, colorMap, xelrow); + break; case 24: - case 32: { - unsigned int col; - for (col = 0; col < cols; ++col) { - xelval r, g, b; - - if (depth == 32) - ++byteP; - if (rastType == RT_FORMAT_RGB) { - r = *byteP++; - g = *byteP++; - b = *byteP++; - } else { - b = *byteP++; - g = *byteP++; - r = *byteP++; - } - if (colorMapped && !useIndexForColor) - PPM_ASSIGN(xelrow[col], - colorMap.map[0][r], - colorMap.map[1][g], - colorMap.map[2][b]); - else - PPM_ASSIGN(xelrow[col], r, g, b); - } - } break; + case 32: + convertRowRgb(lineStart, cols, depth, rastType, colorMapped, + useIndexForColor, colorMap, xelrow); + break; default: pm_error("Invalid depth value: %u", depth); } @@ -285,6 +357,84 @@ writePnm(FILE * const ofP, +static void +dumpHeader(struct rasterfile const header) { + + const char * typeName; + + switch (header.ras_type) { + case RT_OLD: typeName = "old"; break; + case RT_STANDARD: typeName = "standard"; break; + case RT_BYTE_ENCODED: typeName = "byte encoded"; break; + case RT_FORMAT_RGB: typeName = "format rgb"; break; + case RT_FORMAT_TIFF: typeName = "format_tiff"; break; + case RT_FORMAT_IFF: typeName = "format_iff"; break; + case RT_EXPERIMENTAL: typeName = "experimental"; break; + default: typeName = "???"; + } + + pm_message("type: %s (%lu)", typeName, (unsigned long)header.ras_type); + pm_message("%luw x %lul x %lud", + (unsigned long)header.ras_width, + (unsigned long)header.ras_height, + (unsigned long)header.ras_depth); + pm_message("raster length: %lu", (unsigned long)header.ras_length); + + if (header.ras_maplength) + pm_message("Has color map"); +} + + + +static void +dumpHeaderAnalysis(bool const grayscale, + unsigned int const depth, + xel const zero, + xel const one) { + + pm_message("grayscale: %s", grayscale ? "YES" : "NO"); + + if (depth == 1) { + pm_message("Zero color: (%u,%u,%u)", + PNM_GETR(zero), + PNM_GETG(zero), + PNM_GETB(zero)); + + pm_message("One color: (%u,%u,%u)", + PNM_GETR(one), + PNM_GETG(one), + PNM_GETB(one)); + } +} + + + +static void +dumpColorMap(colormap_t const colorMap) { + + unsigned int i; + const char * typeName; + + switch (colorMap.type) { + case RMT_NONE: typeName = "NONE"; break; + case RMT_EQUAL_RGB: typeName = "EQUAL_RGB"; break; + case RMT_RAW: typeName = "RAW"; break; + default: typeName = "???"; + } + + pm_message("color map type = %s (%u)", typeName, colorMap.type); + + pm_message("color map size = %u", colorMap.length); + + for (i = 0; i < colorMap.length; ++i) + pm_message("color %u: (%u, %u, %u)", i, + (unsigned char)colorMap.map[0][i], + (unsigned char)colorMap.map[1][i], + (unsigned char)colorMap.map[2][i]); +} + + + int main(int argc, const char ** const argv) { @@ -309,6 +459,9 @@ main(int argc, const char ** const argv) { if (rc != 0 ) pm_error("unable to read in rasterfile header"); + if (cmdline.dumpheader) + dumpHeader(header); + if (header.ras_maplength != 0) { int rc; @@ -316,10 +469,16 @@ main(int argc, const char ** const argv) { if (rc != 0 ) pm_error("unable to read colormap from RAST file"); + + if (cmdline.dumpcolormap) + dumpColorMap(colorMap); } analyzeImage(header, colorMap, &format, &maxval, &grayscale, &zero, &one); + if (cmdline.dumpheader) + dumpHeaderAnalysis(grayscale, header.ras_depth, zero, one); + pr = pr_load_image(ifP, &header, NULL); if (pr == NULL ) pm_error("unable to read in the image from the rasterfile" ); diff --git a/converter/other/tifftopnm.c b/converter/other/tifftopnm.c index 679dff71..fcfb03f6 100644 --- a/converter/other/tifftopnm.c +++ b/converter/other/tifftopnm.c @@ -1350,7 +1350,7 @@ warnBrokenTiffLibrary(TIFF * const tiffP) { case ORIENTATION_RIGHTBOT: case ORIENTATION_LEFTBOT: pm_message("WARNING: This TIFF image has an orientation that " - "most TIFF libraries converts incorrectly. " + "most TIFF libraries convert incorrectly. " "Use -byrow to circumvent."); break; } diff --git a/converter/ppm/ppmtompeg/headers/dct.h b/converter/ppm/ppmtompeg/headers/dct.h index e024b6c1..d5ea9f4a 100644 --- a/converter/ppm/ppmtompeg/headers/dct.h +++ b/converter/ppm/ppmtompeg/headers/dct.h @@ -47,6 +47,7 @@ typedef DCTELEM DCTBLOCK_2D[DCTSIZE][DCTSIZE]; /* * from mfwddct.c: */ +void init_fdct _ANSI_ARGS_((void)); extern void mp_fwd_dct_block2 _ANSI_ARGS_((DCTBLOCK_2D src, DCTBLOCK_2D dest)); /* jrevdct.c */ diff --git a/converter/ppm/ppmtompeg/headers/general.h b/converter/ppm/ppmtompeg/headers/general.h index e41e2adb..59c33c73 100644 --- a/converter/ppm/ppmtompeg/headers/general.h +++ b/converter/ppm/ppmtompeg/headers/general.h @@ -111,15 +111,7 @@ int pclose(); #define NEWLINE '\n' -/*==================* - * TYPE DEFINITIONS * - *==================*/ - -#ifndef HAVE_BOOLEAN typedef int boolean; -#define HAVE_BOOLEAN -/* JPEG library also defines boolean */ -#endif /* In the following, we need the "signed" in order to make these typedefs match those in AIX system header files. Otherwise, compile fails on diff --git a/converter/ppm/ppmtompeg/mfwddct.c b/converter/ppm/ppmtompeg/mfwddct.c index 4643bf25..75c3a718 100644 --- a/converter/ppm/ppmtompeg/mfwddct.c +++ b/converter/ppm/ppmtompeg/mfwddct.c @@ -122,33 +122,68 @@ #define OSIN_5_16 OCOS_3_16 #define OCOS_5_16 OSIN_3_16 -/* Prototypes */ -void reference_fwd_dct _ANSI_ARGS_((Block block, Block dest)); -void mp_fwd_dct_fast _ANSI_ARGS_((Block data2d, Block dest2d)); -void init_fdct _ANSI_ARGS_((void)); -/* - * -------------------------------------------------------------- - * - * mp_fwd_dct_block2 -- - * - * Select the appropriate mp_fwd_dct routine - * - * Results: None - * - * Side effects: None - * - * -------------------------------------------------------------- - */ -extern boolean pureDCT; -void -mp_fwd_dct_block2(data, dest) - Block data, dest; +static double trans_coef[8][8]; /* transform coefficients */ + + + +static void reference_fwd_dct(block, dest) +Block block, dest; { - if (pureDCT) reference_fwd_dct(data, dest); - else mp_fwd_dct_fast(data, dest); + int i, j, k; + double s; + double tmp[64]; + + if (DoLaplace) { + LaplaceNum++; + } + + for (i=0; i<8; i++) + for (j=0; j<8; j++) + { + s = 0.0; + + for (k=0; k<8; k++) + s += trans_coef[j][k] * block[i][k]; + + tmp[8*i+j] = s; + } + + for (i=0; i<8; i++) + for (j=0; j<8; j++) + { + s = 0.0; + + for (k=0; k<8; k++) + s += trans_coef[i][k] * tmp[8*k+j]; + + if (collect_quant) { + fprintf(collect_quant_fp, "%d %f\n", 8*i+j, s); + } + if (DoLaplace) { + L1[LaplaceCnum][i*8+j] += s*s; + L2[LaplaceCnum][i*8+j] += s; + } + + + dest[i][j] = (int)floor(s+0.499999); + /* + * reason for adding 0.499999 instead of 0.5: + * s is quite often x.5 (at least for i and/or j = 0 or 4) + * and setting the rounding threshold exactly to 0.5 leads to an + * extremely high arithmetic implementation dependency of the result; + * s being between x.5 and x.500001 (which is now incorrectly rounded + * downwards instead of upwards) is assumed to occur less often + * (if at all) + */ + } } + + +static void +mp_fwd_dct_fast(data2d, dest2d) + Block data2d, dest2d; /* * -------------------------------------------------------------- * @@ -166,9 +201,6 @@ mp_fwd_dct_block2(data, dest) * -------------------------------------------------------------- */ -void -mp_fwd_dct_fast(data2d, dest2d) - Block data2d, dest2d; { int16 *data = (int16 *) data2d; /* this algorithm wants * a 1-d array */ @@ -236,10 +268,12 @@ mp_fwd_dct_fast(data2d, dest2d) tmp13 = tmp0 - tmp3; outptr[0] = (int16) UNFIXH((tmp10 + tmp11) * SIN_1_4); - outptr[DCTSIZE * 4] = (int16) UNFIXH((tmp10 - tmp11) * COS_1_4); - - outptr[DCTSIZE * 2] = (int16) UNFIXH(tmp13 * COS_1_8 + tmp12 * SIN_1_8); - outptr[DCTSIZE * 6] = (int16) UNFIXH(tmp13 * SIN_1_8 - tmp12 * COS_1_8); + outptr[DCTSIZE * 4] = + (int16) UNFIXH((tmp10 - tmp11) * COS_1_4); + outptr[DCTSIZE * 2] = + (int16) UNFIXH(tmp13 * COS_1_8 + tmp12 * SIN_1_8); + outptr[DCTSIZE * 6] = + (int16) UNFIXH(tmp13 * SIN_1_8 - tmp12 * COS_1_8); tmp16 = UNFIXO((tmp6 + tmp5) * SIN_1_4); tmp15 = UNFIXO((tmp6 - tmp5) * COS_1_4); @@ -257,10 +291,14 @@ mp_fwd_dct_fast(data2d, dest2d) tmp26 = tmp7 - tmp16; tmp17 = tmp7 + tmp16; - outptr[DCTSIZE] = (int16) UNFIXH(tmp17 * OCOS_1_16 + tmp14 * OSIN_1_16); - outptr[DCTSIZE * 7] = (int16) UNFIXH(tmp17 * OCOS_7_16 - tmp14 * OSIN_7_16); - outptr[DCTSIZE * 5] = (int16) UNFIXH(tmp26 * OCOS_5_16 + tmp25 * OSIN_5_16); - outptr[DCTSIZE * 3] = (int16) UNFIXH(tmp26 * OCOS_3_16 - tmp25 * OSIN_3_16); + outptr[DCTSIZE] = + (int16) UNFIXH(tmp17 * OCOS_1_16 + tmp14 * OSIN_1_16); + outptr[DCTSIZE * 7] = + (int16) UNFIXH(tmp17 * OCOS_7_16 - tmp14 * OSIN_7_16); + outptr[DCTSIZE * 5] = + (int16) UNFIXH(tmp26 * OCOS_5_16 + tmp25 * OSIN_5_16); + outptr[DCTSIZE * 3] = + (int16) UNFIXH(tmp26 * OCOS_3_16 - tmp25 * OSIN_3_16); inptr += DCTSIZE; /* advance inptr to next row */ outptr++; /* advance outptr to next column */ @@ -285,6 +323,28 @@ mp_fwd_dct_fast(data2d, dest2d) } +extern boolean pureDCT; +void +mp_fwd_dct_block2(data, dest) + DCTBLOCK_2D data, dest; +/* + * -------------------------------------------------------------- + * + * mp_fwd_dct_block2 -- + * + * Select the appropriate mp_fwd_dct routine + * + * Results: None + * + * Side effects: None + * + * -------------------------------------------------------------- + */ +{ + if (pureDCT) reference_fwd_dct(data, dest); + else mp_fwd_dct_fast(data, dest); +} + /* Modifies from the MPEG2 verification coder */ /* fdctref.c, forward discrete cosine transform, double precision */ @@ -323,9 +383,6 @@ mp_fwd_dct_fast(data2d, dest2d) #endif #endif -/* private data */ -static double trans_coef[8][8]; /* transform coefficients */ - void init_fdct() { int i, j; @@ -340,54 +397,5 @@ void init_fdct() } } -void reference_fwd_dct(block, dest) -Block block, dest; -{ - int i, j, k; - double s; - double tmp[64]; - - if (DoLaplace) { - LaplaceNum++; - } - - for (i=0; i<8; i++) - for (j=0; j<8; j++) - { - s = 0.0; - - for (k=0; k<8; k++) - s += trans_coef[j][k] * block[i][k]; - tmp[8*i+j] = s; - } - for (i=0; i<8; i++) - for (j=0; j<8; j++) - { - s = 0.0; - - for (k=0; k<8; k++) - s += trans_coef[i][k] * tmp[8*k+j]; - - if (collect_quant) { - fprintf(collect_quant_fp, "%d %f\n", 8*i+j, s); - } - if (DoLaplace) { - L1[LaplaceCnum][i*8+j] += s*s; - L2[LaplaceCnum][i*8+j] += s; - } - - - dest[i][j] = (int)floor(s+0.499999); - /* - * reason for adding 0.499999 instead of 0.5: - * s is quite often x.5 (at least for i and/or j = 0 or 4) - * and setting the rounding threshold exactly to 0.5 leads to an - * extremely high arithmetic implementation dependency of the result; - * s being between x.5 and x.500001 (which is now incorrectly rounded - * downwards instead of upwards) is assumed to occur less often - * (if at all) - */ - } -} diff --git a/converter/ppm/ppmtompeg/opts.c b/converter/ppm/ppmtompeg/opts.c index 5b92d829..9eee971f 100644 --- a/converter/ppm/ppmtompeg/opts.c +++ b/converter/ppm/ppmtompeg/opts.c @@ -40,6 +40,7 @@ #include <stdlib.h> #include <math.h> #include "opts.h" +#include "dct.h" /*==============* * EXTERNALS * @@ -52,7 +53,6 @@ extern int ZAG[]; extern boolean printSNR, decodeRefFrames; void init_idctref _ANSI_ARGS_((void)); -void init_fdct _ANSI_ARGS_((void)); /*===================* diff --git a/converter/ppm/ppmtompeg/ppmtompeg.c b/converter/ppm/ppmtompeg/ppmtompeg.c index 1440d88c..6e7e9833 100644 --- a/converter/ppm/ppmtompeg/ppmtompeg.c +++ b/converter/ppm/ppmtompeg/ppmtompeg.c @@ -36,6 +36,7 @@ #include "all.h" #include "mtypes.h" +#include "dct.h" #include "mpeg.h" #include "motion_search.h" #include "prototypes.h" @@ -92,7 +93,6 @@ const char * hostname; *================================*/ void init_idctref _ANSI_ARGS_((void)); -void init_fdct _ANSI_ARGS_((void)); struct cmdlineInfo { |