diff options
Diffstat (limited to 'contrib/gregbook/rpng2-win.c')
| -rw-r--r-- | contrib/gregbook/rpng2-win.c | 132 |
1 files changed, 66 insertions, 66 deletions
diff --git a/contrib/gregbook/rpng2-win.c b/contrib/gregbook/rpng2-win.c index fd32ec4c8..66e682eef 100644 --- a/contrib/gregbook/rpng2-win.c +++ b/contrib/gregbook/rpng2-win.c @@ -1,6 +1,6 @@ /*--------------------------------------------------------------------------- - rpng2 - progressive-model PNG display program rpng2-win.c + rpng2 - progressive-model PNG display program rpng2-win.c This program decodes and displays PNG files progressively, as if it were a web browser (though the front end is only set up to read from files). @@ -57,9 +57,9 @@ #include <stdio.h> #include <stdlib.h> #include <string.h> -#include <setjmp.h> /* for jmpbuf declaration in readpng2.h */ +#include <setjmp.h> /* for jmpbuf declaration in readpng2.h */ #include <time.h> -#include <math.h> /* only for PvdM background code */ +#include <math.h> /* only for PvdM background code */ #include <windows.h> /* all for PvdM background code: */ @@ -80,9 +80,9 @@ #define rgb2_max bg_bsat #define rgb2_min bg_brot -/* #define DEBUG */ /* this enables the Trace() macros */ +/* #define DEBUG */ /* this enables the Trace() macros */ -#include "readpng2.h" /* typedefs, common macros, readpng2 prototypes */ +#include "readpng2.h" /* typedefs, common macros, readpng2 prototypes */ /* could just include png.h, but this macro is the only thing we need @@ -90,18 +90,18 @@ * only happen with alpha (which could easily be avoided with * "ush acopy = (alpha);") */ -#define alpha_composite(composite, fg, alpha, bg) { \ - ush temp = ((ush)(fg)*(ush)(alpha) + \ - (ush)(bg)*(ush)(255 - (ush)(alpha)) + (ush)128); \ - (composite) = (uch)((temp + (temp >> 8)) >> 8); \ +#define alpha_composite(composite, fg, alpha, bg) { \ + ush temp = ((ush)(fg)*(ush)(alpha) + \ + (ush)(bg)*(ush)(255 - (ush)(alpha)) + (ush)128); \ + (composite) = (uch)((temp + (temp >> 8)) >> 8); \ } -#define INBUFSIZE 4096 /* with pseudo-timing on (1 sec delay/block), this - * block size corresponds roughly to a download - * speed 10% faster than theoretical 33.6K maximum - * (assuming 8 data bits, 1 stop bit and no other - * overhead) */ +#define INBUFSIZE 4096 /* with pseudo-timing on (1 sec delay/block), this + * block size corresponds roughly to a download + * speed 10% faster than theoretical 33.6K maximum + * (assuming 8 data bits, 1 stop bit and no other + * overhead) */ /* local prototypes */ static void rpng2_win_init(void); @@ -116,7 +116,7 @@ LRESULT CALLBACK rpng2_win_wndproc(HWND, UINT, WPARAM, LPARAM); static char titlebar[1024], *window_name = titlebar; static char *progname = PROGNAME; static char *appname = LONGNAME; -static char *icon_name = PROGNAME; /* GRR: not (yet) used */ +static char *icon_name = PROGNAME; /* GRR: not (yet) used */ static char *filename; static FILE *infile; @@ -125,7 +125,7 @@ static mainprog_info rpng2_info; static uch inbuf[INBUFSIZE]; static int incount; -static int pat = 6; /* must be less than num_bgpat */ +static int pat = 6; /* must be less than num_bgpat */ static int bg_image = 0; static int bgscale = 16; static ulg bg_rowbytes; @@ -134,22 +134,22 @@ static uch *bg_data; static struct rgb_color { uch r, g, b; } rgb[] = { - { 0, 0, 0}, /* 0: black */ - {255, 255, 255}, /* 1: white */ - {173, 132, 57}, /* 2: tan */ - { 64, 132, 0}, /* 3: medium green */ - {189, 117, 1}, /* 4: gold */ - {253, 249, 1}, /* 5: yellow */ - { 0, 0, 255}, /* 6: blue */ - { 0, 0, 120}, /* 7: medium blue */ - {255, 0, 255}, /* 8: magenta */ - { 64, 0, 64}, /* 9: dark magenta */ - {255, 0, 0}, /* 10: red */ - { 64, 0, 0}, /* 11: dark red */ - {255, 127, 0}, /* 12: orange */ - {192, 96, 0}, /* 13: darker orange */ - { 24, 60, 0}, /* 14: dark green-yellow */ - { 85, 125, 200} /* 15: ice blue */ + { 0, 0, 0}, /* 0: black */ + {255, 255, 255}, /* 1: white */ + {173, 132, 57}, /* 2: tan */ + { 64, 132, 0}, /* 3: medium green */ + {189, 117, 1}, /* 4: gold */ + {253, 249, 1}, /* 5: yellow */ + { 0, 0, 255}, /* 6: blue */ + { 0, 0, 120}, /* 7: medium blue */ + {255, 0, 255}, /* 8: magenta */ + { 64, 0, 64}, /* 9: dark magenta */ + {255, 0, 0}, /* 10: red */ + { 64, 0, 0}, /* 11: dark red */ + {255, 127, 0}, /* 12: orange */ + {192, 96, 0}, /* 13: darker orange */ + { 24, 60, 0}, /* 14: dark green-yellow */ + { 85, 125, 200} /* 15: ice blue */ }; /* not used for now, but should be for error-checking: static int num_rgb = sizeof(rgb) / sizeof(struct rgb_color); @@ -174,25 +174,25 @@ static int num_rgb = sizeof(rgb) / sizeof(struct rgb_color); */ static struct background_pattern { ush type; - int rgb1_max, rgb1_min; /* or bg_freq, bg_gray */ - int rgb2_max, rgb2_min; /* or bg_bsat, bg_brot (both scaled by 10)*/ + int rgb1_max, rgb1_min; /* or bg_freq, bg_gray */ + int rgb2_max, rgb2_min; /* or bg_bsat, bg_brot (both scaled by 10)*/ } bg[] = { - {0+8, 2,0, 1,15}, /* checkered: tan/black vs. white/ice blue */ - {0+24, 2,0, 1,0}, /* checkered: tan/black vs. white/black */ - {0+8, 4,5, 0,2}, /* checkered: gold/yellow vs. black/tan */ - {0+8, 4,5, 0,6}, /* checkered: gold/yellow vs. black/blue */ - {0, 7,0, 8,9}, /* checkered: deep blue/black vs. magenta */ - {0+8, 13,0, 5,14}, /* checkered: orange/black vs. yellow */ - {0+8, 12,0, 10,11}, /* checkered: orange/black vs. red */ - {1, 7,0, 8,0}, /* diamonds: deep blue/black vs. magenta */ - {1, 12,0, 11,0}, /* diamonds: orange vs. dark red */ - {1, 10,0, 7,0}, /* diamonds: red vs. medium blue */ - {1, 4,0, 5,0}, /* diamonds: gold vs. yellow */ - {1, 3,0, 0,0}, /* diamonds: medium green vs. black */ - {2, 16, 100, 20, 0}, /* radial: ~hard radial color-beams */ - {2, 18, 100, 10, 2}, /* radial: soft, curved radial color-beams */ - {2, 16, 256, 100, 250}, /* radial: very tight spiral */ - {2, 10000, 256, 11, 0} /* radial: dipole-moire' (almost fractal) */ + {0+8, 2,0, 1,15}, /* checkered: tan/black vs. white/ice blue */ + {0+24, 2,0, 1,0}, /* checkered: tan/black vs. white/black */ + {0+8, 4,5, 0,2}, /* checkered: gold/yellow vs. black/tan */ + {0+8, 4,5, 0,6}, /* checkered: gold/yellow vs. black/blue */ + {0, 7,0, 8,9}, /* checkered: deep blue/black vs. magenta */ + {0+8, 13,0, 5,14}, /* checkered: orange/black vs. yellow */ + {0+8, 12,0, 10,11}, /* checkered: orange/black vs. red */ + {1, 7,0, 8,0}, /* diamonds: deep blue/black vs. magenta */ + {1, 12,0, 11,0}, /* diamonds: orange vs. dark red */ + {1, 10,0, 7,0}, /* diamonds: red vs. medium blue */ + {1, 4,0, 5,0}, /* diamonds: gold vs. yellow */ + {1, 3,0, 0,0}, /* diamonds: medium green vs. black */ + {2, 16, 100, 20, 0}, /* radial: ~hard radial color-beams */ + {2, 18, 100, 10, 2}, /* radial: soft, curved radial color-beams */ + {2, 16, 256, 100, 250}, /* radial: very tight spiral */ + {2, 10000, 256, 11, 0} /* radial: dipole-moire' (almost fractal) */ }; static int num_bgpat = sizeof(bg) / sizeof(struct background_pattern); @@ -212,16 +212,16 @@ static int global_showmode; int WINAPI WinMain(HINSTANCE hInst, HINSTANCE hPrevInst, PSTR cmd, int showmode) { - char *args[1024]; /* arbitrary limit, but should suffice */ + char *args[1024]; /* arbitrary limit, but should suffice */ char *p, *q, *bgstr = NULL, **argv = args; int argc = 0; int rc, alen, flen; int error = 0; int timing = FALSE; int have_bg = FALSE; - double LUT_exponent; /* just the lookup table */ - double CRT_exponent = 2.2; /* just the monitor */ - double default_display_exponent; /* whole display system */ + double LUT_exponent; /* just the lookup table */ + double CRT_exponent = 2.2; /* just the monitor */ + double default_display_exponent; /* whole display system */ MSG msg; @@ -267,7 +267,7 @@ int WINAPI WinMain(HINSTANCE hInst, HINSTANCE hPrevInst, PSTR cmd, int showmode) LUT_exponent = 1.8 / 2.61; /* if (some_mac_function_that_returns_gamma(&mac_gamma)) - LUT_exponent = mac_gamma / 2.61; + LUT_exponent = mac_gamma / 2.61; */ #else LUT_exponent = 1.0; /* assume no LUT: most PCs */ @@ -560,7 +560,7 @@ static int rpng2_win_create_window() if (!(dib = (uch *)malloc(sizeof(BITMAPINFOHEADER) + wimage_rowbytes*rpng2_info.height))) { - return 4; /* fail */ + return 4; /* fail */ } /*--------------------------------------------------------------------------- @@ -655,7 +655,7 @@ static int rpng2_win_create_window() TextOut(hdc, ((x < 0)? 0 : x), ((y < 0)? 0 : y), msg, len); ReleaseDC(global_hwnd, hdc); - rpng2_win_load_bg_image(); /* resets bg_image if fails */ + rpng2_win_load_bg_image(); /* resets bg_image if fails */ } if (!bg_image) { @@ -753,7 +753,7 @@ static int rpng2_win_load_bg_image() even_odd = even_odd_vert ^ even_odd_horiz; invert_column = (even_odd_horiz && (bg[pat].type & 0x10)); - if (even_odd == 0) { /* gradient #1 */ + if (even_odd == 0) { /* gradient #1 */ if (invert_column) { *dest++ = r1_inv; *dest++ = g1_inv; @@ -763,7 +763,7 @@ static int rpng2_win_load_bg_image() *dest++ = g1; *dest++ = b1; } - } else { /* gradient #2 */ + } else { /* gradient #2 */ if ((invert_column && invert_gradient2) || (!invert_column && !invert_gradient2)) { @@ -786,8 +786,8 @@ static int rpng2_win_load_bg_image() } else if ((bg[pat].type & 0x07) == 1) { - hmax = (bgscale-1)/2; /* half the max weight of a color */ - max = 2*hmax; /* the max weight of a color */ + hmax = (bgscale-1)/2; /* half the max weight of a color */ + max = 2*hmax; /* the max weight of a color */ r1 = rgb[bg[pat].rgb1_max].r; g1 = rgb[bg[pat].rgb1_max].g; @@ -908,7 +908,7 @@ static int rpng2_win_load_bg_image() g1 = *src++; b1 = *src++; *dest++ = b1; - *dest++ = g1; /* note reverse order */ + *dest++ = g1; /* note reverse order */ *dest++ = r1; } } @@ -962,7 +962,7 @@ static void rpng2_win_display_row(ulg row) g = *src++; b = *src++; *dest++ = b; - *dest++ = g; /* note reverse order */ + *dest++ = g; /* note reverse order */ *dest++ = r; } } else /* if (rpng2_info.channels == 4) */ { @@ -1084,15 +1084,15 @@ LRESULT CALLBACK rpng2_win_wndproc(HWND hwnd, UINT iMsg, WPARAM wP, LPARAM lP) /* wait for the user to tell us when to quit */ case WM_CHAR: - switch (wP) { /* only need one, so ignore repeat count */ + switch (wP) { /* only need one, so ignore repeat count */ case 'q': case 'Q': - case 0x1B: /* Esc key */ + case 0x1B: /* Esc key */ PostQuitMessage(0); } return 0; - case WM_LBUTTONDOWN: /* another way of quitting */ + case WM_LBUTTONDOWN: /* another way of quitting */ case WM_DESTROY: PostQuitMessage(0); return 0; |