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104 lines
2.7 KiB
C
104 lines
2.7 KiB
C
/*
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* This file is part of Libsvgtiny
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* Licensed under the MIT License,
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* http://opensource.org/licenses/mit-license.php
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* Copyright 2008 James Bursa <james@semichrome.net>
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*/
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#ifndef SVGTINY_INTERNAL_H
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#define SVGTINY_INTERNAL_H
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#include <stdbool.h>
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#include "svgtiny_dom.h"
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#ifndef UNUSED
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#define UNUSED(x) ((void) (x))
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#endif
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struct svgtiny_gradient_stop {
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float offset;
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svgtiny_colour color;
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};
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#define svgtiny_MAX_STOPS 2
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struct svgtiny_parse_state {
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struct svgtiny_diagram *diagram;
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dom_document *document;
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float viewport_width;
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float viewport_height;
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/* current transformation matrix */
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struct {
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float a, b, c, d, e, f;
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} ctm;
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/*struct css_style style;*/
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/* paint attributes */
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svgtiny_colour fill;
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svgtiny_colour stroke;
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float stroke_width;
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/* gradients */
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unsigned int linear_gradient_stop_count;
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dom_string *gradient_x1, *gradient_y1, *gradient_x2, *gradient_y2;
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struct svgtiny_gradient_stop gradient_stop[svgtiny_MAX_STOPS];
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bool gradient_user_space_on_use;
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struct {
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float a, b, c, d, e, f;
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} gradient_transform;
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/* Interned strings */
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#define SVGTINY_STRING_ACTION2(n,nn) dom_string *interned_##n;
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#include "svgtiny_strings.h"
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#undef SVGTINY_STRING_ACTION2
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};
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struct svgtiny_list;
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/* svgtiny.c */
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float svgtiny_parse_length(dom_string *s, int viewport_size,
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const struct svgtiny_parse_state state);
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void svgtiny_parse_color(dom_string *s, svgtiny_colour *c,
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struct svgtiny_parse_state *state);
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void svgtiny_parse_color_with_gradient(dom_string *s, svgtiny_colour *c,
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struct svgtiny_parse_state *state);
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void svgtiny_parse_transform(char *s, float *ma, float *mb,
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float *mc, float *md, float *me, float *mf);
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struct svgtiny_shape *svgtiny_add_shape(struct svgtiny_parse_state *state);
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void svgtiny_transform_path(float *p, unsigned int n,
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struct svgtiny_parse_state *state);
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#if defined(_GNU_SOURCE)
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#define HAVE_STRNDUP
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#else
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#undef HAVE_STRNDUP
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char *svgtiny_strndup(const char *s, size_t n);
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#define strndup svgtiny_strndup
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#endif
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/* svgtiny_gradient.c */
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void svgtiny_find_gradient(const char *id, struct svgtiny_parse_state *state);
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svgtiny_code svgtiny_add_path_linear_gradient(float *p, unsigned int n,
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struct svgtiny_parse_state *state);
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/* svgtiny_list.c */
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struct svgtiny_list *svgtiny_list_create(size_t item_size);
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unsigned int svgtiny_list_size(struct svgtiny_list *list);
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svgtiny_code svgtiny_list_resize(struct svgtiny_list *list,
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unsigned int new_size);
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void *svgtiny_list_get(struct svgtiny_list *list,
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unsigned int i);
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void *svgtiny_list_push(struct svgtiny_list *list);
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void svgtiny_list_free(struct svgtiny_list *list);
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/* colors.gperf */
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const struct svgtiny_named_color *
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svgtiny_color_lookup(register const char *str,
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register unsigned int len);
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#endif
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