diff options
Diffstat (limited to 'source/fitz/output-pcl.c')
| -rw-r--r-- | source/fitz/output-pcl.c | 280 |
1 files changed, 157 insertions, 123 deletions
diff --git a/source/fitz/output-pcl.c b/source/fitz/output-pcl.c index c0858299..96e7c973 100644 --- a/source/fitz/output-pcl.c +++ b/source/fitz/output-pcl.c @@ -680,22 +680,27 @@ delta_compression(unsigned char *curr, unsigned char *prev, unsigned char *comp, void fz_write_pixmap_as_pcl(fz_context *ctx, fz_output *out, const fz_pixmap *pixmap, const fz_pcl_options *pcl) { - fz_color_pcl_output_context *pcoc; + fz_band_writer *writer; if (!pixmap || !out) return; - pcoc = fz_write_color_pcl_header(ctx, out, pixmap->w, pixmap->h, pixmap->n, pixmap->xres, pixmap->yres, 0, pcl); + writer = fz_new_color_pcl_band_writer(ctx, out, pcl); fz_try(ctx) - fz_write_color_pcl_band(ctx, out, pcoc, pixmap->w, pixmap->h, pixmap->n, pixmap->stride, 0, 0, pixmap->samples); + { + fz_write_header(ctx, writer, pixmap->w, pixmap->h, pixmap->n, pixmap->alpha, pixmap->xres, pixmap->yres, 1); + fz_write_band(ctx, writer, pixmap->stride, 0, 0, pixmap->samples); + fz_write_trailer(ctx, writer); + } fz_always(ctx) - fz_write_color_pcl_trailer(ctx, out, pcoc); + fz_drop_band_writer(ctx, writer); fz_catch(ctx) fz_rethrow(ctx); } -struct fz_color_pcl_output_context_s +typedef struct color_pcl_band_writer_s { + fz_band_writer super; fz_pcl_options options; unsigned char *linebuf; unsigned char *compbuf; @@ -703,42 +708,32 @@ struct fz_color_pcl_output_context_s unsigned char *curr; int fill; int seed_valid; -}; +} color_pcl_band_writer; -fz_color_pcl_output_context *fz_write_color_pcl_header(fz_context *ctx, fz_output *out, int w, int h, int n, int xres, int yres, int pagenum, const fz_pcl_options *options) +static void +color_pcl_write_header(fz_context *ctx, fz_band_writer *writer_) { - fz_color_pcl_output_context *pcoc = fz_malloc_struct(ctx, fz_color_pcl_output_context); - - if (!out) - return NULL; + color_pcl_band_writer *writer = (color_pcl_band_writer *)writer_; + fz_output *out = writer->super.out; + int w = writer->super.w; + int h = writer->super.h; + int n = writer->super.n; + int xres = writer->super.xres; + int yres = writer->super.yres; if (n != 4) fz_throw(ctx, FZ_ERROR_GENERIC, "pixmap must be rgb to write as pcl"); - if (options) - pcoc->options = *options; - else - fz_pcl_preset(ctx, &pcoc->options, "generic"); + writer->linebuf = fz_malloc(ctx, w * 3 * 2); + writer->compbuf = fz_malloc(ctx, 32767); + writer->prev = writer->linebuf; + writer->curr = writer->linebuf + w * 3; + writer->fill = 0; + writer->seed_valid = 0; - fz_try(ctx) - { - pcoc->linebuf = fz_malloc(ctx, w * 3 * 2); - pcoc->compbuf = fz_malloc(ctx, 32767); - pcoc->prev = pcoc->linebuf; - pcoc->curr = pcoc->linebuf + w * 3; - pcoc->fill = 0; - pcoc->seed_valid = 0; - } - fz_catch(ctx) - { - fz_free(ctx, pcoc->linebuf); - fz_free(ctx, pcoc->compbuf); - fz_rethrow(ctx); - } - - guess_paper_size(&pcoc->options, w, h, xres, yres); + guess_paper_size(&writer->options, w, h, xres, yres); - pcl_header(ctx, out, &pcoc->options, 1, xres, yres, w, h); + pcl_header(ctx, out, &writer->options, 1, xres, yres, w, h); /* Raster presentation */ /* Print in orientation of the logical page */ @@ -773,28 +768,28 @@ fz_color_pcl_output_context *fz_write_color_pcl_header(fz_context *ctx, fz_outpu /* Now output the actual bitmap */ /* Adaptive Compression */ fz_printf(ctx, out, "\033*b5M"); - - return pcoc; } -void fz_write_color_pcl_band(fz_context *ctx, fz_output *out, fz_color_pcl_output_context *pcoc, int w, int h, int n, int stride, int band_start, int bandheight, unsigned char *sp) +static void +color_pcl_write_band(fz_context *ctx, fz_band_writer *writer_, int stride, int band_start, int bandheight, const unsigned char *sp) { + color_pcl_band_writer *writer = (color_pcl_band_writer *)writer_; + fz_output *out = writer->super.out; + int w = writer->super.w; + int h = writer->super.h; int y, ss, ds, seed_valid, fill; unsigned char *prev; unsigned char *curr; unsigned char *comp; - if (!out || !pcoc) - return; - ds = w * 3; ss = w * 4; - prev = pcoc->prev; - curr = pcoc->curr; - fill = pcoc->fill; - comp = pcoc->compbuf; - seed_valid = pcoc->seed_valid; + prev = writer->prev; + curr = writer->curr; + fill = writer->fill; + comp = writer->compbuf; + seed_valid = writer->seed_valid; if (band_start+bandheight >= h) bandheight = h - band_start; @@ -904,30 +899,53 @@ void fz_write_color_pcl_band(fz_context *ctx, fz_output *out, fz_color_pcl_outpu } } - pcoc->prev = prev; - pcoc->curr = curr; - pcoc->fill = fill; - pcoc->compbuf = comp; - pcoc->seed_valid = seed_valid; + writer->prev = prev; + writer->curr = curr; + writer->fill = fill; + writer->compbuf = comp; + writer->seed_valid = seed_valid; } -void fz_write_color_pcl_trailer(fz_context *ctx, fz_output *out, fz_color_pcl_output_context *pcoc) +static void +color_pcl_write_trailer(fz_context *ctx, fz_band_writer *writer_) { - if (!pcoc) - return; + color_pcl_band_writer *writer = (color_pcl_band_writer *)writer_; + fz_output *out = writer->super.out; - if (pcoc->fill) + if (writer->fill) { - fz_printf(ctx, out, "\033*b%dW", pcoc->fill); - fz_write(ctx, out, pcoc->compbuf, pcoc->fill); + fz_printf(ctx, out, "\033*b%dW", writer->fill); + fz_write(ctx, out, writer->compbuf, writer->fill); } /* End Raster Graphics */ fz_printf(ctx, out, "\033*rC"); +} + +static void +color_pcl_drop_band_writer(fz_context *ctx, fz_band_writer *writer_) +{ + color_pcl_band_writer *writer = (color_pcl_band_writer *)writer_; + + fz_free(ctx, writer->compbuf); + fz_free(ctx, writer->linebuf); +} + +fz_band_writer *fz_new_color_pcl_band_writer(fz_context *ctx, fz_output *out, const fz_pcl_options *options) +{ + color_pcl_band_writer *writer = fz_new_band_writer(ctx, color_pcl_band_writer, out); + + writer->super.header = color_pcl_write_header; + writer->super.band = color_pcl_write_band; + writer->super.trailer = color_pcl_write_trailer; + writer->super.drop = color_pcl_drop_band_writer; + + if (options) + writer->options = *options; + else + fz_pcl_preset(ctx, &writer->options, "generic"); - fz_free(ctx, pcoc->compbuf); - fz_free(ctx, pcoc->linebuf); - fz_free(ctx, pcoc); + return &writer->super; } /* @@ -941,7 +959,7 @@ void fz_write_color_pcl_trailer(fz_context *ctx, fz_output *out, fz_color_pcl_ou * where N is the original byte count (end_row - row). */ int -mode2compress(unsigned char *out, unsigned char *in, int in_len) +mode2compress(unsigned char *out, const unsigned char *in, int in_len) { int x; int out_len = 0; @@ -1050,81 +1068,79 @@ void wind(void) void fz_write_bitmap_as_pcl(fz_context *ctx, fz_output *out, const fz_bitmap *bitmap, const fz_pcl_options *pcl) { - fz_mono_pcl_output_context *pcoc; + fz_band_writer *writer; if (!bitmap || !out) return; - pcoc = fz_write_mono_pcl_header(ctx, out, bitmap->w, bitmap->h, bitmap->xres, bitmap->yres, 0, pcl); + writer = fz_new_mono_pcl_band_writer(ctx, out, pcl); fz_try(ctx) - fz_write_mono_pcl_band(ctx, out, pcoc, bitmap); + { + fz_write_header(ctx, writer, bitmap->w, bitmap->h, 1, 0, bitmap->xres, bitmap->yres, 0); + fz_write_band(ctx, writer, bitmap->stride, 0, bitmap->h, bitmap->samples); + fz_write_trailer(ctx, writer); + } fz_always(ctx) - fz_write_mono_pcl_trailer(ctx, out, pcoc); + fz_drop_band_writer(ctx, writer); fz_catch(ctx) fz_rethrow(ctx); } -struct fz_mono_pcl_output_context_s +typedef struct mono_pcl_band_writer_s { + fz_band_writer super; fz_pcl_options options; unsigned char *prev; unsigned char *mode2buf; unsigned char *mode3buf; int top_of_page; int num_blank_lines; -}; +} mono_pcl_band_writer; -fz_mono_pcl_output_context *fz_write_mono_pcl_header(fz_context *ctx, fz_output *out, int w, int h, int xres, int yres, int pagenum, const fz_pcl_options *options) +static void +mono_pcl_write_header(fz_context *ctx, fz_band_writer *writer_) { - fz_mono_pcl_output_context *pcoc = fz_malloc_struct(ctx, fz_mono_pcl_output_context); + mono_pcl_band_writer *writer = (mono_pcl_band_writer *)writer_; + fz_output *out = writer->super.out; + int w = writer->super.w; + int h = writer->super.h; + int xres = writer->super.xres; + int yres = writer->super.yres; int line_size; int max_mode_2_size; int max_mode_3_size; - if (!out) - return NULL; - - if (options) - pcoc->options = *options; - else - fz_pcl_preset(ctx, &pcoc->options, "generic"); - line_size = (w + 7)/8; max_mode_2_size = line_size + (line_size/127) + 1; max_mode_3_size = line_size + (line_size/8) + 1; - fz_try(ctx) - { - pcoc->prev = fz_calloc(ctx, line_size, sizeof(unsigned char)); - pcoc->mode2buf = fz_calloc(ctx, max_mode_2_size, sizeof(unsigned char)); - pcoc->mode3buf = fz_calloc(ctx, max_mode_3_size, sizeof(unsigned char)); - pcoc->num_blank_lines = 0; - pcoc->top_of_page = 1; - } - fz_catch(ctx) - { - fz_free(ctx, pcoc->prev); - fz_free(ctx, pcoc->mode2buf); - fz_free(ctx, pcoc->mode3buf); - fz_rethrow(ctx); - } + writer->prev = fz_calloc(ctx, line_size, sizeof(unsigned char)); + writer->mode2buf = fz_calloc(ctx, max_mode_2_size, sizeof(unsigned char)); + writer->mode3buf = fz_calloc(ctx, max_mode_3_size, sizeof(unsigned char)); + writer->num_blank_lines = 0; + writer->top_of_page = 1; - guess_paper_size(&pcoc->options, w, h, xres, yres); + guess_paper_size(&writer->options, w, h, xres, yres); - if (pcoc->options.features & HACK__IS_A_OCE9050) + if (writer->options.features & HACK__IS_A_OCE9050) { /* Enter HPGL/2 mode, begin plot, Initialise (start plot), Enter PCL mode */ fz_puts(ctx, out, "\033%1BBPIN;\033%1A"); } - pcl_header(ctx, out, &pcoc->options, 1, xres, yres, w, h); - return pcoc; + pcl_header(ctx, out, &writer->options, 1, xres, yres, w, h); } -void fz_write_mono_pcl_band(fz_context *ctx, fz_output *out, fz_mono_pcl_output_context *poc, const fz_bitmap *bitmap) +static void +mono_pcl_write_band(fz_context *ctx, fz_band_writer *writer_, int ss, int band_start, int bandheight, const unsigned char *data) { - unsigned char *data, *out_data; - int y, ss, rmask, line_size; + mono_pcl_band_writer *writer = (mono_pcl_band_writer *)writer_; + fz_output *out = writer->super.out; + int w = writer->super.w; + int h = writer->super.h; + int yres = writer->super.yres; + const unsigned char *out_data; + int y, rmask, line_size; int num_blank_lines; int compression = -1; unsigned char *prev = NULL; @@ -1133,23 +1149,18 @@ void fz_write_mono_pcl_band(fz_context *ctx, fz_output *out, fz_mono_pcl_output_ int out_count; const fz_pcl_options *pcl; - if (!out || !bitmap) - return; - - num_blank_lines = poc->num_blank_lines; - rmask = ~0 << (-bitmap->w & 7); - line_size = (bitmap->w + 7)/8; - prev = poc->prev; - mode2buf = poc->mode2buf; - mode3buf = poc->mode3buf; - pcl = &poc->options; + num_blank_lines = writer->num_blank_lines; + rmask = ~0 << (-w & 7); + line_size = (w + 7)/8; + prev = writer->prev; + mode2buf = writer->mode2buf; + mode3buf = writer->mode3buf; + pcl = &writer->options; /* Transfer raster graphics. */ - data = bitmap->samples; - ss = bitmap->stride; - for (y = 0; y < bitmap->h; y++, data += ss) + for (y = 0; y < h; y++, data += ss) { - unsigned char *end_data = data + line_size; + const unsigned char *end_data = data + line_size; if ((end_data[-1] & rmask) == 0) { @@ -1166,9 +1177,9 @@ void fz_write_mono_pcl_band(fz_context *ctx, fz_output *out, fz_mono_pcl_output_ /* We've reached a non-blank line. */ /* Put out a spacing command if necessary. */ - if (poc->top_of_page) + if (writer->top_of_page) { - poc->top_of_page = 0; + writer->top_of_page = 0; /* We're at the top of a page. */ if (pcl->features & PCL_ANY_SPACING) { @@ -1232,7 +1243,7 @@ void fz_write_mono_pcl_band(fz_context *ctx, fz_output *out, fz_mono_pcl_output_ } } else if (pcl->features & PCL3_SPACING) - fz_printf(ctx, out, "\033*p+%dY", num_blank_lines * bitmap->yres); + fz_printf(ctx, out, "\033*p+%dY", num_blank_lines * yres); else fz_printf(ctx, out, "\033*b%dY", num_blank_lines); /* Clear the seed row (only matters for mode 3 compression). */ @@ -1284,27 +1295,50 @@ void fz_write_mono_pcl_band(fz_context *ctx, fz_output *out, fz_mono_pcl_output_ fz_write(ctx, out, out_data, out_count); } - poc->num_blank_lines = num_blank_lines; + writer->num_blank_lines = num_blank_lines; } -void fz_write_mono_pcl_trailer(fz_context *ctx, fz_output *out, fz_mono_pcl_output_context *pcoc) +static void +mono_pcl_write_trailer(fz_context *ctx, fz_band_writer *writer_) { - if (!pcoc || !out) - return; + mono_pcl_band_writer *writer = (mono_pcl_band_writer *)writer_; + fz_output *out = writer->super.out; /* end raster graphics and eject page */ fz_puts(ctx, out, "\033*rB\f"); - if (pcoc->options.features & HACK__IS_A_OCE9050) + if (writer->options.features & HACK__IS_A_OCE9050) { /* Pen up, pen select, advance full page, reset */ fz_puts(ctx, out, "\033%1BPUSP0PG;\033E"); } +} + +static void +mono_pcl_drop_band_writer(fz_context *ctx, fz_band_writer *writer_) +{ + mono_pcl_band_writer *writer = (mono_pcl_band_writer *)writer_; + + fz_free(ctx, writer->prev); + fz_free(ctx, writer->mode2buf); + fz_free(ctx, writer->mode3buf); +} + +fz_band_writer *fz_new_mono_pcl_band_writer(fz_context *ctx, fz_output *out, const fz_pcl_options *options) +{ + mono_pcl_band_writer *writer = fz_new_band_writer(ctx, mono_pcl_band_writer, out); + + writer->super.header = mono_pcl_write_header; + writer->super.band = mono_pcl_write_band; + writer->super.trailer = mono_pcl_write_trailer; + writer->super.drop = mono_pcl_drop_band_writer; + + if (options) + writer->options = *options; + else + fz_pcl_preset(ctx, &writer->options, "generic"); - fz_free(ctx, pcoc->prev); - fz_free(ctx, pcoc->mode2buf); - fz_free(ctx, pcoc->mode3buf); - fz_free(ctx, pcoc); + return &writer->super; } void |