diff options
Diffstat (limited to 'editor/specialty/ppmntsc.c')
| -rw-r--r-- | editor/specialty/ppmntsc.c | 124 |
1 files changed, 62 insertions, 62 deletions
diff --git a/editor/specialty/ppmntsc.c b/editor/specialty/ppmntsc.c index 08fbc835..24edc3bd 100644 --- a/editor/specialty/ppmntsc.c +++ b/editor/specialty/ppmntsc.c @@ -6,21 +6,21 @@ The derivation was done by Bryan Henderson on 2000.04.21 to convert it from operating on the RLE format to operating on the PPM format and to rewrite it in a cleaner style, taking advantage of modern C - compiler technology. + compiler technology. */ /* * This software is copyrighted as noted below. It may be freely copied, - * modified, and redistributed, provided that the copyright notice is + * modified, and redistributed, provided that the copyright notice is * preserved on all copies. - * + * * There is no warranty or other guarantee of fitness for this software, * it is provided solely "as is". Bug reports or fixes may be sent * to the author, who may or may not act on them as he desires. * * You may not include this software in a program or other software product - * without supplying the source, or without informing the end-user that the + * without supplying the source, or without informing the end-user that the * source is available for no extra charge. * * If you modify this software, you should include a notice giving the @@ -28,12 +28,12 @@ * and the reason for such modification. */ -/* +/* * rlelegal.c - Make RGB colors legal in the YIQ or YUV color systems. - * - * Author: Wes Barris - * Minnesota Supercomputer Center, Inc. - * Date: Fri Oct 15, 1993 + * + * Author: Wes Barris + * Minnesota Supercomputer Center, Inc. + * Date: Fri Oct 15, 1993 * @Copyright, Research Equipment Inc., d/b/a Minnesota Supercomputer * Center, Inc., 1993 @@ -104,32 +104,32 @@ parseCommandLine(int argc, const char ** argv, cmdlineP->inputFilename = "-"; /* he wants stdin */ else if (argc - 1 == 1) cmdlineP->inputFilename = argv[1]; - else + else pm_error("Too many arguments. The only arguments accepted " "are the mask color and optional input file specification"); if (legalonly + illegalonly + correctedonly > 1) pm_error("--legalonly, --illegalonly, and --correctedonly are " "conflicting options. Specify at most one of these."); - - if (legalonly) + + if (legalonly) cmdlineP->output = LEGAL_ONLY; - else if (illegalonly) + else if (illegalonly) cmdlineP->output = ILLEGAL_ONLY; - else if (correctedonly) + else if (correctedonly) cmdlineP->output = CORRECTED_ONLY; - else + else cmdlineP->output = ALL; } -static void -rgbtoyiq(const int r, const int g, const int b, - double * const y_p, - double * const i_p, +static void +rgbtoyiq(const int r, const int g, const int b, + double * const y_p, + double * const i_p, double * const q_p) { - + *y_p = .299*(r/255.0) + .587*(g/255.0) + .114*(b/255.0); *i_p = .596*(r/255.0) - .274*(g/255.0) - .322*(b/255.0); *q_p = .211*(r/255.0) - .523*(g/255.0) + .312*(b/255.0); @@ -137,8 +137,8 @@ rgbtoyiq(const int r, const int g, const int b, -static void -yiqtorgb(const double y, const double i, const double q, +static void +yiqtorgb(const double y, const double i, const double q, int * const r_p, int * const g_p, int * const b_p) { *r_p = 255.0*(1.00*y + .9562*i + .6214*q); *g_p = 255.0*(1.00*y - .2727*i - .6468*q); @@ -147,10 +147,10 @@ yiqtorgb(const double y, const double i, const double q, -static void -rgbtoyuv(const int r, const int g, const int b, - double * const y_p, - double * const u_p, +static void +rgbtoyuv(const int r, const int g, const int b, + double * const y_p, + double * const u_p, double * const v_p) { *y_p = .299*(r/255.0) + .587*(g/255.0) + .114*(b/255.0); *u_p = -.147*(r/255.0) - .289*(g/255.0) + .437*(b/255.0); @@ -159,10 +159,10 @@ rgbtoyuv(const int r, const int g, const int b, -static void -yuvtorgb(const double y, const double u, const double v, +static void +yuvtorgb(const double y, const double u, const double v, int * const r_p, int * const g_p, int * const b_p) { - + *r_p = 255.0*(1.00*y + .0000*u +1.1398*v); *g_p = 255.0*(1.00*y - .3938*u - .5805*v); *b_p = 255.0*(1.00*y +2.0279*u + .0000*v); @@ -173,12 +173,12 @@ yuvtorgb(const double y, const double u, const double v, static void makeLegalYiq(double const y, double const i, - double const q, - double * const yNewP, - double * const iNewP, + double const q, + double * const yNewP, + double * const iNewP, double * const qNewP, enum legalize * const actionP) { - + double satOld, satNew; /* * I and Q are legs of a right triangle. Saturation is the hypotenuse. @@ -209,13 +209,13 @@ makeLegalYiq(double const y, static void -make_legal_yuv(const double y, const double u, const double v, - double * const y_new_p, - double * const u_new_p, +make_legal_yuv(const double y, const double u, const double v, + double * const y_new_p, + double * const u_new_p, double * const v_new_p, enum legalize * const action_p ) { - + double sat_old, sat_new; /* * U and V are legs of a right triangle. Saturation is the hypotenuse. @@ -246,13 +246,13 @@ make_legal_yuv(const double y, const double u, const double v, static void -make_legal_yiq_i(const int r_in, const int g_in, const int b_in, - int * const r_out_p, - int * const g_out_p, +make_legal_yiq_i(const int r_in, const int g_in, const int b_in, + int * const r_out_p, + int * const g_out_p, int * const b_out_p, enum legalize * const action_p ) { - + double y, i, q; double y_new, i_new, q_new; /* @@ -276,15 +276,15 @@ make_legal_yiq_i(const int r_in, const int g_in, const int b_in, static void -make_legal_yuv_i(const int r_in, const int g_in, const int b_in, - int * const r_out_p, - int * const g_out_p, +make_legal_yuv_i(const int r_in, const int g_in, const int b_in, + int * const r_out_p, + int * const g_out_p, int * const b_out_p, enum legalize * const action_p ){ - + double y, u, v; - double y_new, u_new, v_new; + double y_new, u_new, v_new; /* * Convert to YUV and compute the new saturation. */ @@ -305,7 +305,7 @@ make_legal_yuv_i(const int r_in, const int g_in, const int b_in, -static void +static void make_legal_yiq_b(const pixel input, pixel * const output_p, enum legalize * const action_p) { @@ -313,7 +313,7 @@ make_legal_yiq_b(const pixel input, int ir_in, ig_in, ib_in; int ir_out, ig_out, ib_out; - + ir_in = (int)PPM_GETR(input); ig_in = (int)PPM_GETG(input); ib_in = (int)PPM_GETB(input); @@ -327,14 +327,14 @@ make_legal_yiq_b(const pixel input, -static void +static void make_legal_yuv_b(const pixel input, pixel * const output_p, enum legalize * const action_p) { int ir_in, ig_in, ib_in; int ir_out, ig_out, ib_out; - + ir_in = (int)PPM_GETR(input); ig_in = (int)PPM_GETG(input); ib_in = (int)PPM_GETB(input); @@ -347,7 +347,7 @@ make_legal_yuv_b(const pixel input, -static void +static void reportMapping(pixel const oldPixel, pixel const newPixel) { /*---------------------------------------------------------------------------- @@ -358,7 +358,7 @@ reportMapping(pixel const oldPixel, static pixel lastChangedPixel; static bool firstTime = true; - if (!PPM_EQUAL(oldPixel, newPixel) && + if (!PPM_EQUAL(oldPixel, newPixel) && (firstTime || PPM_EQUAL(oldPixel, lastChangedPixel))) { pm_message("Mapping %u %u %u -> %u %u %u\n", PPM_GETR(oldPixel), @@ -371,14 +371,14 @@ reportMapping(pixel const oldPixel, lastChangedPixel = oldPixel; firstTime = false; - } + } } static void convertOneImage(FILE * const ifP, - struct cmdlineInfo const cmdline, + struct cmdlineInfo const cmdline, unsigned int * const hiCountP, unsigned int * const loCountP) { @@ -419,8 +419,8 @@ convertOneImage(FILE * const ifP, make_legal_yiq_b(inputRow[col], &corrected, &action); - - if (action == LOWER_SAT) + + if (action == LOWER_SAT) ++*hiCountP; if (action == RAISE_SAT) ++*loCountP; @@ -456,7 +456,7 @@ convertOneImage(FILE * const ifP, int main(int argc, const char **argv) { - + struct cmdlineInfo cmdline; FILE * ifP; unsigned int totalHiCount, totalLoCount; @@ -469,7 +469,7 @@ main(int argc, const char **argv) { parseCommandLine(argc, argv, &cmdline); ifP = pm_openr(cmdline.inputFilename); - + imageCount = 0; /* initial value */ totalHiCount = 0; /* initial value */ totalLoCount = 0; /* initial value */ @@ -488,14 +488,14 @@ main(int argc, const char **argv) { } - if (cmdline.verbose) { + if (cmdline.verbose) { pm_message("%u images processed.", imageCount); - pm_message("%u pixels were above the saturation limit.", + pm_message("%u pixels were above the saturation limit.", totalHiCount); - pm_message("%u pixels were below the saturation limit.", + pm_message("%u pixels were below the saturation limit.", totalLoCount); } - + pm_close(ifP); return 0; |