const char * (UsageLines [] ) = { "p4label28: Reads text from standard input,", "writes P4 pbm to standard output using fixed-width.", "Usage: p4label28 (output image width) (output image height)", "Only ASCII characters are recognized.", "", "January 4, 2023. Latest at gopher://sdf.org/1/users/julianbr", }; const int NumUsageLines = sizeof (UsageLines)/sizeof (UsageLines [0] ); #define NUM_ROWS 28 #define LETTER_SPACING 2 #define LINE_SPACING 2 #define MARGIN 10 int MaxNumColumns; int (Outlines [] ) [NUM_ROWS] = { {7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 0, 7, 7, 7, 2, 0, 0, 0, 0, 0, 0, 0, 0, }, /* ! */ {27, 27, 27, 27, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, /* " */ {0, 0, 0, 0, 0, 0, 50, 50, 50, 127, 127, 127, 54, 127, 127, 127, 38, 38, 38, 36, 0, 0, 0, 0, 0, 0, 0, 0, }, /* # */ {28, 28, 28, 28, 62, 127, 127, 124, 124, 124, 60, 62, 31, 31, 31, 63, 127, 62, 62, 28, 28, 28, 0, 0, 0, 0, 0, 0, }, /* $ */ {99, 243, 243, 247, 246, 254, 110, 12, 28, 24, 56, 56, 48, 126, 111, 239, 239, 207, 206, 132, 0, 0, 0, 0, 0, 0, 0, 0, }, /* % */ {24, 56, 60, 60, 44, 60, 60, 120, 120, 248, 248, 220, 220, 207, 239, 239, 102, 126, 62, 26, 0, 0, 0, 0, 0, 0, 0, 0, }, /* & */ {7, 7, 7, 7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, /* ' */ {3, 7, 14, 12, 28, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 28, 12, 14, 7, 3, 0, 0, 0, 0, 0, 0, 0, 0, }, /* ( */ {24, 28, 14, 6, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 7, 6, 14, 28, 24, 0, 0, 0, 0, 0, 0, 0, 0, }, /* ) */ {51, 51, 63, 30, 63, 63, 63, 30, 63, 51, 51, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, /* * */ {0, 0, 0, 0, 0, 0, 12, 12, 12, 63, 63, 12, 12, 12, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, /* + */ {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 6, 6, 12, 0, 0, 0, 0, }, /* , */ {0, 0, 0, 0, 0, 0, 0, 0, 0, 63, 63, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, /* - */ {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 7, 7, 7, 2, 0, 0, 0, 0, 0, 0, 0, 0, }, /* . */ {1, 3, 3, 3, 7, 7, 6, 14, 14, 12, 12, 28, 24, 24, 56, 56, 48, 48, 48, 32, 0, 0, 0, 0, 0, 0, 0, 0, }, /* / */ {120, 252, 204, 462, 903, 771, 771, 771, 819, 819, 819, 771, 771, 771, 771, 903, 462, 204, 252, 120, 0, 0, 0, 0, 0, 0, 0, 0, }, /* 0 */ {6, 14, 14, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 15, 15, 0, 0, 0, 0, 0, 0, 0, 0, }, /* 1 */ {120, 508, 910, 775, 771, 3, 3, 3, 3, 3, 3, 3, 7, 14, 28, 56, 112, 224, 1023, 1023, 0, 0, 0, 0, 0, 0, 0, 0, }, /* 2 */ {120, 252, 462, 903, 903, 3, 7, 7, 14, 60, 62, 14, 7, 3, 771, 903, 390, 510, 252, 48, 0, 0, 0, 0, 0, 0, 0, 0, }, /* 3 */ {12, 28, 28, 60, 124, 236, 236, 460, 1023, 1023, 1023, 12, 12, 12, 12, 12, 12, 12, 12, 12, 0, 0, 0, 0, 0, 0, 0, 0, }, /* 4 */ {1023, 1023, 768, 768, 768, 768, 768, 1016, 1020, 14, 7, 3, 3, 3, 3, 7, 14, 796, 1016, 1008, 0, 0, 0, 0, 0, 0, 0, 0, }, /* 5 */ {7, 31, 126, 240, 448, 448, 896, 896, 816, 1020, 1022, 902, 903, 771, 771, 903, 390, 510, 252, 48, 0, 0, 0, 0, 0, 0, 0, 0, }, /* 6 */ {1023, 1023, 7, 7, 14, 14, 28, 28, 56, 56, 112, 96, 224, 192, 448, 384, 896, 768, 768, 512, 0, 0, 0, 0, 0, 0, 0, 0, }, /* 7 */ {120, 252, 462, 903, 903, 771, 903, 903, 462, 252, 510, 462, 903, 771, 771, 903, 390, 510, 252, 48, 0, 0, 0, 0, 0, 0, 0, 0, }, /* 8 */ {120, 252, 462, 903, 903, 771, 903, 903, 463, 511, 123, 3, 7, 6, 14, 28, 124, 1008, 992, 512, 0, 0, 0, 0, 0, 0, 0, 0, }, /* 9 */ {0, 0, 0, 0, 0, 0, 7, 7, 7, 0, 0, 0, 0, 0, 0, 0, 7, 7, 7, 2, 0, 0, 0, 0, 0, 0, 0, 0, }, /* : */ {0, 0, 0, 0, 0, 0, 7, 7, 7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 2, 2, 2, 0, 0, 0, 0, }, /* ; */ {3, 3, 7, 14, 14, 28, 24, 56, 48, 48, 48, 48, 56, 28, 28, 14, 7, 7, 3, 1, 0, 0, 0, 0, 0, 0, 0, 0, }, /* < */ {0, 0, 0, 0, 0, 0, 0, 63, 63, 0, 0, 63, 63, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, /* = */ {0, 0, 0, 48, 56, 28, 14, 15, 7, 3, 3, 7, 14, 28, 60, 56, 48, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, /* > */ {28, 62, 54, 119, 99, 99, 3, 7, 6, 14, 12, 28, 28, 28, 0, 0, 28, 28, 28, 8, 0, 0, 0, 0, 0, 0, 0, 0, }, /* ? */ {0, 0, 0, 0, 0, 0, 0, 0, 16, 120, 124, 248, 220, 252, 252, 220, 248, 126, 127, 19, 0, 0, 0, 0, 0, 0, 0, 0, }, /* @ */ {48, 120, 120, 120, 252, 204, 204, 462, 462, 390, 1023, 1023, 771, 771, 771, 771, 771, 771, 771, 771, 0, 0, 0, 0, 0, 0, 0, 0, }, /* A */ {1008, 1020, 830, 783, 775, 771, 775, 783, 830, 1020, 1020, 798, 775, 771, 771, 775, 782, 1020, 1016, 960, 0, 0, 0, 0, 0, 0, 0, 0, }, /* B */ {120, 252, 462, 903, 771, 771, 768, 768, 768, 768, 768, 768, 768, 768, 771, 771, 903, 462, 252, 120, 0, 0, 0, 0, 0, 0, 0, 0, }, /* C */ {960, 1008, 1016, 796, 782, 782, 775, 775, 771, 771, 771, 775, 775, 774, 782, 796, 828, 1016, 992, 896, 0, 0, 0, 0, 0, 0, 0, 0, }, /* D */ {1023, 1023, 768, 768, 768, 768, 768, 768, 1020, 1020, 768, 768, 768, 768, 768, 768, 768, 768, 1023, 1023, 0, 0, 0, 0, 0, 0, 0, 0, }, /* E */ {1023, 1023, 768, 768, 768, 768, 768, 768, 1020, 1020, 768, 768, 768, 768, 768, 768, 768, 768, 768, 768, 0, 0, 0, 0, 0, 0, 0, 0, }, /* F */ {120, 252, 252, 462, 390, 388, 896, 896, 768, 768, 768, 783, 911, 911, 391, 391, 463, 252, 120, 48, 0, 0, 0, 0, 0, 0, 0, 0, }, /* G */ {771, 771, 771, 771, 771, 771, 771, 771, 1023, 1023, 771, 771, 771, 771, 771, 771, 771, 771, 771, 771, 0, 0, 0, 0, 0, 0, 0, 0, }, /* H */ {15, 15, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 15, 15, 0, 0, 0, 0, 0, 0, 0, 0, }, /* I */ {15, 15, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 390, 390, 462, 252, 120, 0, 0, 0, 0, 0, 0, 0, 0, }, /* J */ {771, 771, 775, 782, 796, 824, 880, 992, 960, 896, 896, 960, 992, 880, 824, 796, 782, 775, 771, 771, 0, 0, 0, 0, 0, 0, 0, 0, }, /* K */ {768, 768, 768, 768, 768, 768, 768, 768, 768, 768, 768, 768, 768, 768, 768, 768, 768, 768, 1023, 1023, 0, 0, 0, 0, 0, 0, 0, 0, }, /* L */ {3075, 3075, 3075, 3591, 3591, 3855, 3855, 3999, 3999, 3483, 3579, 3315, 3315, 3171, 3075, 3075, 3075, 3075, 3075, 3075, 0, 0, 0, 0, 0, 0, 0, 0, }, /* M */ {771, 771, 899, 899, 963, 963, 995, 995, 883, 883, 827, 795, 799, 783, 783, 775, 775, 771, 771, 771, 0, 0, 0, 0, 0, 0, 0, 0, }, /* N */ {120, 252, 252, 462, 390, 390, 903, 903, 771, 771, 771, 771, 903, 903, 390, 390, 462, 252, 120, 48, 0, 0, 0, 0, 0, 0, 0, 0, }, /* O */ {1008, 1020, 830, 775, 771, 775, 783, 1022, 1020, 992, 768, 768, 768, 768, 768, 768, 768, 768, 768, 768, 0, 0, 0, 0, 0, 0, 0, 0, }, /* P */ {120, 252, 462, 903, 775, 771, 771, 771, 771, 771, 771, 771, 771, 771, 775, 782, 924, 508, 508, 236, 14, 14, 6, 6, 6, 0, 0, 0, }, /* Q */ {1008, 1020, 830, 775, 771, 775, 783, 1022, 1020, 992, 864, 880, 824, 824, 796, 782, 782, 775, 771, 771, 0, 0, 0, 0, 0, 0, 0, 0, }, /* R */ {124, 254, 455, 899, 771, 768, 768, 896, 448, 252, 126, 15, 7, 3, 3, 771, 775, 910, 508, 248, 0, 0, 0, 0, 0, 0, 0, 0, }, /* S */ {1023, 1023, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 0, 0, 0, 0, 0, 0, 0, 0, }, /* T */ {771, 771, 771, 771, 771, 771, 771, 771, 771, 771, 771, 771, 771, 771, 771, 771, 903, 510, 252, 48, 0, 0, 0, 0, 0, 0, 0, 0, }, /* U */ {771, 771, 771, 771, 771, 903, 903, 390, 390, 462, 462, 204, 204, 204, 204, 252, 120, 48, 48, 48, 0, 0, 0, 0, 0, 0, 0, 0, }, /* V */ {3075, 3075, 3075, 3075, 3075, 3075, 3075, 3075, 3075, 3075, 3171, 3171, 3171, 3315, 3315, 3483, 3999, 1806, 1806, 1806, 0, 0, 0, 0, 0, 0, 0, 0, }, /* W */ {771, 771, 903, 903, 462, 462, 204, 204, 252, 120, 120, 252, 204, 204, 462, 390, 903, 771, 771, 771, 0, 0, 0, 0, 0, 0, 0, 0, }, /* X */ {771, 771, 903, 390, 462, 204, 252, 120, 120, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 0, 0, 0, 0, 0, 0, 0, 0, }, /* Y */ {1023, 1023, 3, 7, 6, 12, 12, 24, 24, 48, 48, 96, 96, 192, 192, 384, 896, 768, 1023, 1023, 0, 0, 0, 0, 0, 0, 0, 0, }, /* Z */ {15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 15, 15, 15, 0, 0, 0, 0, 0, 0, 0, 0, }, /* [ */ {32, 48, 48, 48, 56, 56, 24, 28, 28, 12, 12, 14, 6, 6, 7, 7, 3, 3, 3, 1, 0, 0, 0, 0, 0, 0, 0, 0, }, /* \ */ {15, 15, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 15, 15, 15, 0, 0, 0, 0, 0, 0, 0, 0, }, /* ] */ {12, 30, 30, 63, 63, 51, 51, 51, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, /* ^ */ {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 0, 0, 0, 0, 0, 0, }, /* _ */ {4, 6, 6, 7, 7, 3, 3, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, /* ` */ {0, 0, 0, 0, 0, 0, 0, 0, 62, 63, 7, 3, 3, 63, 127, 99, 99, 99, 127, 59, 0, 0, 0, 0, 0, 0, 0, 0, }, /* a */ {96, 96, 96, 96, 96, 96, 96, 96, 110, 127, 127, 115, 99, 99, 99, 99, 115, 127, 127, 110, 0, 0, 0, 0, 0, 0, 0, 0, }, /* b */ {0, 0, 0, 0, 0, 0, 0, 0, 0, 30, 63, 51, 112, 96, 96, 96, 112, 51, 63, 28, 0, 0, 0, 0, 0, 0, 0, 0, }, /* c */ {3, 3, 3, 3, 3, 3, 3, 3, 27, 63, 63, 119, 99, 99, 99, 99, 119, 127, 63, 27, 0, 0, 0, 0, 0, 0, 0, 0, }, /* d */ {0, 0, 0, 0, 0, 0, 0, 0, 28, 62, 127, 99, 99, 127, 127, 96, 96, 115, 63, 30, 0, 0, 0, 0, 0, 0, 0, 0, }, /* e */ {14, 31, 59, 48, 48, 48, 48, 48, 63, 63, 63, 48, 48, 48, 48, 48, 48, 48, 48, 48, 0, 0, 0, 0, 0, 0, 0, 0, }, /* f */ {0, 0, 0, 0, 0, 0, 0, 0, 27, 63, 127, 103, 99, 99, 99, 99, 103, 127, 63, 27, 3, 3, 3, 3, 3, 103, 126, 60, }, /* g */ {96, 96, 96, 96, 96, 96, 96, 96, 96, 126, 127, 99, 99, 99, 99, 99, 99, 99, 99, 99, 0, 0, 0, 0, 0, 0, 0, 0, }, /* h */ {0, 0, 0, 7, 7, 7, 0, 0, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 0, 0, 0, 0, 0, 0, 0, 0, }, /* i */ {0, 0, 0, 7, 7, 7, 0, 0, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 102, 102, 102, 126, 60, }, /* j */ {96, 96, 96, 96, 96, 96, 96, 96, 99, 103, 126, 124, 120, 112, 112, 120, 124, 126, 103, 99, 0, 0, 0, 0, 0, 0, 0, 0, }, /* k */ {7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 0, 0, 0, 0, 0, 0, 0, 0, }, /* l */ {0, 0, 0, 0, 0, 0, 0, 0, 972, 1022, 1023, 819, 819, 819, 819, 819, 819, 819, 819, 819, 0, 0, 0, 0, 0, 0, 0, 0, }, /* m */ {0, 0, 0, 0, 0, 0, 0, 0, 102, 127, 127, 99, 99, 99, 99, 99, 99, 99, 99, 99, 0, 0, 0, 0, 0, 0, 0, 0, }, /* n */ {0, 0, 0, 0, 0, 0, 0, 0, 28, 62, 62, 119, 99, 99, 99, 99, 119, 62, 62, 28, 0, 0, 0, 0, 0, 0, 0, 0, }, /* o */ {0, 0, 0, 0, 0, 0, 0, 0, 108, 126, 119, 99, 99, 99, 99, 99, 99, 119, 126, 108, 96, 96, 96, 96, 96, 96, 96, 96, }, /* p */ {0, 0, 0, 0, 0, 0, 0, 0, 59, 127, 103, 99, 99, 99, 99, 99, 99, 103, 127, 59, 3, 3, 3, 3, 3, 3, 3, 3, }, /* q */ {0, 0, 0, 0, 0, 0, 0, 0, 126, 127, 99, 99, 96, 96, 96, 96, 96, 96, 96, 96, 0, 0, 0, 0, 0, 0, 0, 0, }, /* r */ {0, 0, 0, 0, 0, 0, 0, 0, 30, 63, 115, 96, 112, 126, 63, 7, 3, 103, 126, 60, 0, 0, 0, 0, 0, 0, 0, 0, }, /* s */ {0, 0, 0, 0, 0, 0, 24, 24, 126, 126, 24, 24, 24, 24, 24, 24, 24, 24, 31, 15, 0, 0, 0, 0, 0, 0, 0, 0, }, /* t */ {0, 0, 0, 0, 0, 0, 0, 0, 99, 99, 99, 99, 99, 99, 99, 99, 99, 103, 127, 59, 0, 0, 0, 0, 0, 0, 0, 0, }, /* u */ {0, 0, 0, 0, 0, 0, 0, 0, 99, 99, 99, 99, 119, 119, 54, 54, 62, 28, 28, 28, 0, 0, 0, 0, 0, 0, 0, 0, }, /* v */ {0, 0, 0, 0, 0, 0, 0, 0, 819, 819, 819, 819, 891, 891, 1023, 1023, 462, 462, 390, 390, 0, 0, 0, 0, 0, 0, 0, 0, }, /* w */ {0, 0, 0, 0, 0, 0, 0, 0, 99, 99, 99, 119, 62, 28, 28, 62, 119, 99, 99, 99, 0, 0, 0, 0, 0, 0, 0, 0, }, /* x */ {0, 0, 0, 0, 0, 0, 0, 0, 99, 99, 99, 99, 51, 51, 59, 27, 31, 15, 14, 6, 6, 14, 12, 12, 28, 24, 56, 48, }, /* y */ {0, 0, 0, 0, 0, 0, 0, 0, 127, 127, 7, 6, 14, 28, 24, 56, 48, 112, 127, 127, 0, 0, 0, 0, 0, 0, 0, 0, }, /* z */ {2, 6, 6, 6, 6, 6, 4, 12, 12, 8, 12, 12, 12, 4, 6, 6, 6, 6, 2, 1, 0, 0, 0, 0, 0, 0, 0, 0, }, /* { */ {7, 7, 7, 7, 7, 7, 7, 7, 0, 0, 0, 7, 7, 7, 7, 7, 7, 7, 7, 7, 0, 0, 0, 0, 0, 0, 0, 0, }, /* | */ {4, 6, 6, 6, 6, 6, 2, 3, 3, 1, 3, 3, 3, 2, 6, 6, 6, 6, 4, 8, 0, 0, 0, 0, 0, 0, 0, 0, }, /* } */ {30, 51, 51, 51, 51, 30, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, {0, 0, 0, 0, 0, 0, 56, 124, 31, 31, 14, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, /* ~ */ }; int NumOutlines = sizeof (Outlines) / sizeof (Outlines [0] ); #include #include void WriteLabel (unsigned char (* TextLine) [NUM_ROWS] , int width, int height) { int * Outline; int c, i, j, byte, NumTextLines, NumImageLines, NumChars, MaxNumChars, PowerOf2; int row, position, NumColumns; NumImageLines = 0; printf ("P4\n"); printf ("%d %d\n", width, height); for (i = 0; i < MARGIN; i++) { if (NumImageLines < height) { for (byte = 0; byte < (width + 7)/8; byte++) putchar (0); } NumImageLines++; } NumTextLines = 0; MaxNumChars = 0; c = getchar (); while (c != EOF) { NumChars = 0; for (i = 0; i < NUM_ROWS; i++) { for (byte = 0; byte < (width + 7)/8; byte++) TextLine [byte] [i] = 0; } while (c != '\n' && c != EOF) { if (c - '!' >= 0 && c - '!' < NumOutlines) { PowerOf2 = 1; NumColumns = 0; Outline = Outlines [c - '!']; for (i = 0; i < NUM_ROWS; i++) { row = Outline [i]; while (PowerOf2 <= row) { PowerOf2 *= 2; NumColumns++; } } if (NumColumns > MaxNumColumns) NumColumns = MaxNumColumns; for (i = 0; i < NumColumns; i++) { position = MARGIN + NumChars*(MaxNumColumns + LETTER_SPACING) + (MaxNumColumns - NumColumns)/2 + i; if (position < width) { byte = position/8; for (j = 0; j < NUM_ROWS; j++) { row = Outline [j]; if (row & (1 << (NumColumns - i - 1) ) ) TextLine [byte] [j] += (1 << (7 - position%8) ); } } } } NumChars++; c = getchar (); } for (i = 0; i < NUM_ROWS; i++) { if (NumImageLines < height) { for (byte = 0; byte < (width + 7)/8; byte++) putchar (TextLine [byte] [i] ); } NumImageLines++; } for (i = 0; i < LINE_SPACING; i++) { if (NumImageLines < height) { for (byte = 0; byte < (width + 7)/8; byte++) putchar (0); } NumImageLines++; } if (MaxNumChars < NumChars) MaxNumChars = NumChars; NumTextLines++; if (c != EOF) c = getchar (); } while (NumImageLines < height) { for (byte = 0; byte < (width + 7)/8; byte++) putchar (0); NumImageLines++; } fprintf (stderr, "p4label28: Fits"); fprintf (stderr, " %d", 2*MARGIN + MaxNumChars*MaxNumColumns + LETTER_SPACING*(MaxNumChars - 1) ); fprintf (stderr, "x%d,", 2*MARGIN + (NumTextLines - 1)*LINE_SPACING + NumTextLines*NUM_ROWS); fprintf (stderr, " writing %dx%d.\n", width, height); } int main (int argc, char * * argv) { unsigned char (* TextLine) [NUM_ROWS]; int i, j, width, height, PowerOf2, row; char c; PowerOf2 = 1; MaxNumColumns = 0; for (i = 0; i < NumOutlines; i++) { for (j = 0; j < NUM_ROWS; j++) { row = Outlines [i] [j]; while (PowerOf2 <= row) { PowerOf2 *= 2; MaxNumColumns++; } } } if (argc == 1) { for (i = 0; i < NumUsageLines; i++) printf ("%s\n", UsageLines [i] ); printf ("Each character %dx%d,", MaxNumColumns, NUM_ROWS); printf (" letter spacing %d, line spacing %d,", LETTER_SPACING, LINE_SPACING); printf (" margin %d.\n", MARGIN); } else if (argc == 3) { if ( sscanf (argv [1], "%d%c", & width, & c) != 1 || sscanf (argv [2], "%d%c", & height, & c) != 1 || width <= 0 || height <= 0) { fprintf (stderr, "p4label2828: Improper \"%s\" \"%s\",", argv [1], argv [2] ); fprintf (stderr, " expecting width and height.\n"); } else { TextLine = malloc (NUM_ROWS*((width + 7)/8) ); if (TextLine == NULL) fprintf (stderr, "***p4label28: Not enough memory.\n"); else { WriteLabel (TextLine, width, height); free (TextLine); } } } else printf ("Usage: %s: (width) (height)\n", argv [0] ); return 0; }