diff options
Diffstat (limited to 'converter/pbm/pbmtoppa/ppa.c')
| -rw-r--r-- | converter/pbm/pbmtoppa/ppa.c | 179 |
1 files changed, 99 insertions, 80 deletions
diff --git a/converter/pbm/pbmtoppa/ppa.c b/converter/pbm/pbmtoppa/ppa.c index 69e7bb79..0f75aa1e 100644 --- a/converter/pbm/pbmtoppa/ppa.c +++ b/converter/pbm/pbmtoppa/ppa.c @@ -31,7 +31,7 @@ (*): responses, autostatus, and pacing are communicated from the printer to the computer, and may be safely ignored. */ -static void +static void vlink_put(FILE *fptr, int channel, int length, void *data) { fputc ('$', fptr); @@ -40,6 +40,8 @@ vlink_put(FILE *fptr, int channel, int length, void *data) fwrite (data, length, 1, fptr); } + + /* SCP packet structure: @@ -60,9 +62,9 @@ vlink_put(FILE *fptr, int channel, int length, void *data) 19 1 Handle Media 18 1 Print Sweep */ -static void +static void scp_put(FILE *fptr, int comspec, int comref, int priority, - int length, void *data) + int length, void *data) { /* encapsulate the vlink_put call in here, to avoid a memcpy */ fputc ('$', fptr); @@ -79,6 +81,7 @@ scp_put(FILE *fptr, int comspec, int comref, int priority, } + /* SCP2 packet structure: @@ -101,10 +104,10 @@ scp_put(FILE *fptr, int comspec, int comref, int priority, 0x181 1 Handle Media 0x180 1 Print Sweep */ -static void +static void scp2_put(FILE *fptr,unsigned short comspec,unsigned short pkt_len_s16, - unsigned char priority,unsigned short comref,unsigned data_len, - void *data) + unsigned char priority,unsigned short comref,unsigned data_len, + void *data) { /* encapsulate the vlink_put call in here, to avoid a memcpy */ fputc ('$', fptr); @@ -128,6 +131,7 @@ scp2_put(FILE *fptr,unsigned short comspec,unsigned short pkt_len_s16, } + /* SCP3 packet structure: @@ -152,10 +156,10 @@ scp2_put(FILE *fptr,unsigned short comspec,unsigned short pkt_len_s16, 0x181 1 Handle Media 0x180 1 Print Sweep */ -static void +static void scp3_put(FILE *fptr,unsigned short comspec,unsigned short pkt_len_s16, - unsigned char priority,unsigned short comref,unsigned data_len, - void *data) + unsigned char priority,unsigned short comref,unsigned data_len, + void *data) { /* encapsulate the vlink_put call in here, to avoid a memcpy */ fputc ('$', fptr); @@ -179,6 +183,7 @@ scp3_put(FILE *fptr,unsigned short comspec,unsigned short pkt_len_s16, } + void ppa_init_job(ppa_stat* prn) { unsigned char init1[8] = { 0x00, 0x00, 0x01, 0xf4, 0x01, 0x00, 0x00, 0x00 }; @@ -211,6 +216,8 @@ void ppa_init_job(ppa_stat* prn) } } + + void ppa_end_print(ppa_stat* prn) { unsigned char pageA[4] = { 0x05, 0x01, 0x03, 0x84 }; @@ -219,12 +226,14 @@ void ppa_end_print(ppa_stat* prn) scp3_put (prn->fptr, 0x0181, sizeof(pageA), 7, 2, 0, pageA); } + + void ppa_init_page(ppa_stat* prn) { unsigned char pageA[16] = {0x28, 0x2d, 0x00, 0x41, 0x29, 0x2e, 0x00, 0x42, - 0x29, 0x2e, 0x00, 0x42, 0x29, 0x2e, 0x00, 0x42 }; + 0x29, 0x2e, 0x00, 0x42, 0x29, 0x2e, 0x00, 0x42 }; unsigned char pageB[16] = {0x28, 0x2d, 0x00, 0x41, 0x2d, 0x32, 0x00, 0x46, - 0x2d, 0x32, 0x00, 0x46, 0x2d, 0x32, 0x00, 0x46 }; + 0x2d, 0x32, 0x00, 0x46, 0x2d, 0x32, 0x00, 0x46 }; switch(prn->version) { @@ -242,6 +251,8 @@ void ppa_init_page(ppa_stat* prn) } } + + void ppa_load_page(ppa_stat* prn) { unsigned char loadA[4] = {0x01, 0x01, 0x09, 0x60 }; @@ -264,6 +275,8 @@ void ppa_load_page(ppa_stat* prn) } } + + void ppa_eject_page(ppa_stat* prn) { unsigned char loadA[4] = {0x02, 0x01, 0x09, 0x60 }; @@ -288,8 +301,8 @@ void ppa_eject_page(ppa_stat* prn) -static int -compress(unsigned char *in, int num_lines_d2, int final_len, +static int +compress(unsigned char *in, int num_lines_d2, int final_len, unsigned char *iout) { unsigned char* out = iout; @@ -301,89 +314,91 @@ compress(unsigned char *in, int num_lines_d2, int final_len, /* Find the size of duplicate values */ int dup_len = 0; while ((i + dup_len < len) - && (in[i + dup_len] == in[i])) { - dup_len++; + && (in[i + dup_len] == in[i])) { + dup_len++; } /* See if we have enough zeros to be worth compressing. */ /* I figure one is enough. */ if ((dup_len >= 1) && (in[i] == 0)) { - /* Output run of zeros. */ - while (dup_len >= 128) { - /* Max is 128 */ - *out++ = 0x00; - i += 128; - dup_len -= 128; - } - if (dup_len >= 1) - { - *out++ = dup_len; - i += dup_len; - } - /* See if we have enough non-zeros to be worth compressing. */ - /* Here two should be enough. */ + /* Output run of zeros. */ + while (dup_len >= 128) { + /* Max is 128 */ + *out++ = 0x00; + i += 128; + dup_len -= 128; + } + if (dup_len >= 1) + { + *out++ = dup_len; + i += dup_len; + } + /* See if we have enough non-zeros to be worth compressing. */ + /* Here two should be enough. */ } else if (dup_len >= 2) { - /* Output run of duplicates. */ - while (dup_len >= 64) { - /* Max is 64 */ - *out++ = 0x80; - *out++ = in[i]; - i += 64; - dup_len -= 64; - } - if (dup_len >= 2) - { - *out++ = dup_len + 0x80; - *out++ = in[i]; - i += dup_len; - } + /* Output run of duplicates. */ + while (dup_len >= 64) { + /* Max is 64 */ + *out++ = 0x80; + *out++ = in[i]; + i += 64; + dup_len -= 64; + } + if (dup_len >= 2) + { + *out++ = dup_len + 0x80; + *out++ = in[i]; + i += dup_len; + } } else { - /* Look for two zeros, or three duplicates to end literal run. */ - /* Note this is one more than the number to start a run. */ - int lit_len = -1; - int add_more = 1; - while (add_more) { - lit_len++; - if (i + lit_len == len) add_more = 0; - /* Always add more if we are near the very end. */ - if (i + lit_len < len - 3) { - char a = in[i + lit_len + 0]; - char b = in[i + lit_len + 1]; - char c = in[i + lit_len + 2]; - /* See if there are enough zeros */ - if ((a == b) && (b == 0)) add_more = 0; - /* See if there are enough duplicates */ - if ((a == b) && (b == c)) add_more = 0; - } - } - /* Output run of literals. */ - while (lit_len >= 64) { - /* Max is 64 */ - int j; - *out++ = 0xc0; - for (j = i; j < i + 64; j++) { - *out++ = in[j]; - } - i += 64; - lit_len -= 64; - } - if (lit_len) { - int j; - *out++ = lit_len + 0xc0; - for (j = i; j < i + lit_len; j++) { - *out++ = in[j]; - } - i += lit_len; - } + /* Look for two zeros, or three duplicates to end literal run. */ + /* Note this is one more than the number to start a run. */ + int lit_len = -1; + int add_more = 1; + while (add_more) { + lit_len++; + if (i + lit_len == len) add_more = 0; + /* Always add more if we are near the very end. */ + if (i + lit_len < len - 3) { + char a = in[i + lit_len + 0]; + char b = in[i + lit_len + 1]; + char c = in[i + lit_len + 2]; + /* See if there are enough zeros */ + if ((a == b) && (b == 0)) add_more = 0; + /* See if there are enough duplicates */ + if ((a == b) && (b == c)) add_more = 0; + } + } + /* Output run of literals. */ + while (lit_len >= 64) { + /* Max is 64 */ + int j; + *out++ = 0xc0; + for (j = i; j < i + 64; j++) { + *out++ = in[j]; + } + i += 64; + lit_len -= 64; + } + if (lit_len) { + int j; + *out++ = lit_len + 0xc0; + for (j = i; j < i + lit_len; j++) { + *out++ = in[j]; + } + i += lit_len; + } } } } return out-iout; } + + static void __inline__ place_2bytes(int x,unsigned char* y) { y[0]=x>>8; y[1]=x; } static void __inline__ place_4bytes(int x,unsigned char* y) @@ -519,9 +534,13 @@ void ppa_print_sweep(ppa_stat* prn,ppa_sweep_data* data) } + void ppa_print_sweeps(ppa_stat* prn,ppa_sweep_data* data) { ppa_sweep_data* current_sweep; for(current_sweep=data; current_sweep; current_sweep=current_sweep->next) ppa_print_sweep(prn,current_sweep); } + + + |