90 lines
3.6 KiB
C
90 lines
3.6 KiB
C
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#ifndef MUPDF_FITZ_GLYPH_H
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#define MUPDF_FITZ_GLYPH_H
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#include "mupdf/fitz/system.h"
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#include "mupdf/fitz/context.h"
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#include "mupdf/fitz/geometry.h"
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#include "mupdf/fitz/store.h"
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/*
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Glyphs represent a run length encoded set of pixels for a 2
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dimensional region of a plane.
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*/
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typedef struct fz_glyph_s fz_glyph;
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fz_irect fz_glyph_bbox(fz_context *ctx, fz_glyph *glyph);
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int fz_glyph_width(fz_context *ctx, fz_glyph *glyph);
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int fz_glyph_height(fz_context *ctx, fz_glyph *glyph);
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fz_glyph *fz_new_glyph_from_pixmap(fz_context *ctx, fz_pixmap *pix);
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fz_glyph *fz_new_glyph_from_8bpp_data(fz_context *ctx, int x, int y, int w, int h, unsigned char *sp, int span);
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fz_glyph *fz_new_glyph_from_1bpp_data(fz_context *ctx, int x, int y, int w, int h, unsigned char *sp, int span);
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fz_glyph *fz_keep_glyph(fz_context *ctx, fz_glyph *pix);
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void fz_drop_glyph(fz_context *ctx, fz_glyph *pix);
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/*
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Glyphs represent a set of pixels for a 2 dimensional region of a
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plane.
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x, y: The minimum x and y coord of the region in pixels.
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w, h: The width and height of the region in pixels.
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samples: The sample data. The sample data is in a compressed format
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designed to give reasonable compression, and to be fast to plot from.
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The first sizeof(int) * h bytes of the table, when interpreted as
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ints gives the offset within the data block of that lines data. An
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offset of 0 indicates that that line is completely blank.
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The data for individual lines is a sequence of bytes:
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00000000 = end of lines data
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LLLLLL00 = extend the length given in the next run by the 6 L bits
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given here.
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LLLLLL01 = A run of length L+1 transparent pixels.
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LLLLLE10 = A run of length L+1 solid pixels. If E then this is the
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last run on this line.
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LLLLLE11 = A run of length L+1 intermediate pixels followed by L+1
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bytes of literal pixel data. If E then this is the last run
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on this line.
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*/
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struct fz_glyph_s
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{
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fz_storable storable;
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int x, y, w, h;
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fz_pixmap *pixmap;
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size_t size;
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unsigned char data[1];
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};
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fz_irect fz_glyph_bbox_no_ctx(fz_glyph *src);
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static inline size_t
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fz_glyph_size(fz_context *ctx, fz_glyph *glyph)
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{
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if (glyph == NULL)
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return 0;
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return sizeof(fz_glyph) + glyph->size + fz_pixmap_size(ctx, glyph->pixmap);
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}
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fz_path *fz_outline_glyph(fz_context *ctx, fz_font *font, int gid, fz_matrix ctm);
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fz_path *fz_outline_ft_glyph(fz_context *ctx, fz_font *font, int gid, fz_matrix trm);
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fz_glyph *fz_render_ft_glyph(fz_context *ctx, fz_font *font, int cid, fz_matrix trm, int aa);
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fz_pixmap *fz_render_ft_glyph_pixmap(fz_context *ctx, fz_font *font, int cid, fz_matrix trm, int aa);
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fz_glyph *fz_render_t3_glyph(fz_context *ctx, fz_font *font, int cid, fz_matrix trm, fz_colorspace *model, const fz_irect *scissor, int aa);
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fz_pixmap *fz_render_t3_glyph_pixmap(fz_context *ctx, fz_font *font, int cid, fz_matrix trm, fz_colorspace *model, const fz_irect *scissor, int aa);
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fz_glyph *fz_render_ft_stroked_glyph(fz_context *ctx, fz_font *font, int gid, fz_matrix trm, fz_matrix ctm, const fz_stroke_state *state, int aa);
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fz_pixmap *fz_render_ft_stroked_glyph_pixmap(fz_context *ctx, fz_font *font, int gid, fz_matrix trm, fz_matrix ctm, const fz_stroke_state *state, int aa);
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fz_glyph *fz_render_glyph(fz_context *ctx, fz_font*, int gid, fz_matrix *, fz_colorspace *model, const fz_irect *scissor, int alpha, int aa);
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fz_glyph *fz_render_stroked_glyph(fz_context *ctx, fz_font*, int, fz_matrix *, fz_matrix, const fz_stroke_state *stroke, const fz_irect *scissor, int aa);
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fz_pixmap *fz_render_stroked_glyph_pixmap(fz_context *ctx, fz_font*, int, fz_matrix *, fz_matrix, const fz_stroke_state *stroke, const fz_irect *scissor, int aa);
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#endif
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