105 lines
2.3 KiB
C
105 lines
2.3 KiB
C
#include "mupdf/fitz.h"
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#include <limits.h>
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#ifndef PATH_MAX
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#define PATH_MAX 4096
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#endif
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typedef struct fz_svg_writer_s fz_svg_writer;
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struct fz_svg_writer_s
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{
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fz_document_writer super;
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char *path;
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int count;
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fz_output *out;
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int text_format;
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int reuse_images;
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int id;
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};
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const char *fz_svg_write_options_usage =
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"SVG output options:\n"
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"\ttext=text: Emit text as <text> elements (inaccurate fonts).\n"
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"\ttext=path: Emit text as <path> elements (accurate fonts).\n"
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"\tno-reuse-images: Do not reuse images using <symbol> definitions.\n"
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"\n"
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;
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static fz_device *
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svg_begin_page(fz_context *ctx, fz_document_writer *wri_, fz_rect mediabox)
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{
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fz_svg_writer *wri = (fz_svg_writer*)wri_;
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char path[PATH_MAX];
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float w = mediabox.x1 - mediabox.x0;
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float h = mediabox.y1 - mediabox.y0;
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wri->count += 1;
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fz_format_output_path(ctx, path, sizeof path, wri->path, wri->count);
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wri->out = fz_new_output_with_path(ctx, path, 0);
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return fz_new_svg_device_with_id(ctx, wri->out, w, h, wri->text_format, wri->reuse_images, &wri->id);
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}
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static void
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svg_end_page(fz_context *ctx, fz_document_writer *wri_, fz_device *dev)
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{
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fz_svg_writer *wri = (fz_svg_writer*)wri_;
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fz_try(ctx)
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{
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fz_close_device(ctx, dev);
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fz_close_output(ctx, wri->out);
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}
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fz_always(ctx)
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{
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fz_drop_device(ctx, dev);
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fz_drop_output(ctx, wri->out);
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wri->out = NULL;
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}
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fz_catch(ctx)
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fz_rethrow(ctx);
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}
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static void
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svg_drop_writer(fz_context *ctx, fz_document_writer *wri_)
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{
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fz_svg_writer *wri = (fz_svg_writer*)wri_;
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fz_drop_output(ctx, wri->out);
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fz_free(ctx, wri->path);
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}
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fz_document_writer *
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fz_new_svg_writer(fz_context *ctx, const char *path, const char *args)
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{
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const char *val;
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fz_svg_writer *wri = fz_new_derived_document_writer(ctx, fz_svg_writer, svg_begin_page, svg_end_page, NULL, svg_drop_writer);
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wri->text_format = FZ_SVG_TEXT_AS_PATH;
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wri->reuse_images = 1;
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fz_try(ctx)
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{
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if (fz_has_option(ctx, args, "text", &val))
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{
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if (fz_option_eq(val, "text"))
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wri->text_format = FZ_SVG_TEXT_AS_TEXT;
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else if (fz_option_eq(val, "path"))
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wri->text_format = FZ_SVG_TEXT_AS_PATH;
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}
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if (fz_has_option(ctx, args, "no-reuse-images", &val))
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if (fz_option_eq(val, "yes"))
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wri->reuse_images = 0;
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wri->path = fz_strdup(ctx, path ? path : "out-%04d.svg");
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}
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fz_catch(ctx)
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{
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fz_free(ctx, wri);
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fz_rethrow(ctx);
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}
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return (fz_document_writer*)wri;
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}
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