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/*
* This file is part of Libsvgtiny
* Licensed under the MIT License,
* http://opensource.org/licenses/mit-license.php
* Copyright 2008 James Bursa <james@semichrome.net>
*/
#ifndef SVGTINY_INTERNAL_H
#define SVGTINY_INTERNAL_H
#include <stdbool.h>
#include <dom/dom.h>
#ifndef UNUSED
#define UNUSED(x) ((void) (x))
#endif
struct svgtiny_gradient_stop {
float offset;
svgtiny_colour color;
};
#define svgtiny_MAX_STOPS 10
#define svgtiny_LINEAR_GRADIENT 0x2000000
struct svgtiny_parse_state {
struct svgtiny_diagram *diagram;
dom_document *document;
float viewport_width;
float viewport_height;
/* current transformation matrix */
struct {
float a, b, c, d, e, f;
} ctm;
/*struct css_style style;*/
/* paint attributes */
svgtiny_colour fill;
svgtiny_colour stroke;
int stroke_width;
/* gradients */
unsigned int linear_gradient_stop_count;
const char *gradient_x1, *gradient_y1, *gradient_x2, *gradient_y2;
struct svgtiny_gradient_stop gradient_stop[svgtiny_MAX_STOPS];
bool gradient_user_space_on_use;
struct {
float a, b, c, d, e, f;
} gradient_transform;
/* Interned strings */
#define SVGTINY_STRING_ACTION(n) dom_string *interned_##n;
#include "svgtiny_strings.h"
#undef SVGTINY_STRING_ACTION
};
struct svgtiny_list;
/* svgtiny.c */
float svgtiny_parse_length(const char *s, int viewport_size,
const struct svgtiny_parse_state state);
void svgtiny_parse_color(const char *s, svgtiny_colour *c,
struct svgtiny_parse_state *state);
void svgtiny_parse_transform(char *s, float *ma, float *mb,
float *mc, float *md, float *me, float *mf);
struct svgtiny_shape *svgtiny_add_shape(struct svgtiny_parse_state *state);
void svgtiny_transform_path(float *p, unsigned int n,
struct svgtiny_parse_state *state);
#if defined(_GNU_SOURCE)
#define HAVE_STRNDUP
#else
#undef HAVE_STRNDUP
char *svgtiny_strndup(const char *s, size_t n);
#define strndup svgtiny_strndup
#endif
/* svgtiny_gradient.c */
void svgtiny_find_gradient(const char *id, struct svgtiny_parse_state *state);
svgtiny_code svgtiny_add_path_linear_gradient(float *p, unsigned int n,
struct svgtiny_parse_state *state);
dom_node *svgtiny_find_element_by_id(dom_node *node, const char *id);
/* svgtiny_list.c */
struct svgtiny_list *svgtiny_list_create(size_t item_size);
unsigned int svgtiny_list_size(struct svgtiny_list *list);
svgtiny_code svgtiny_list_resize(struct svgtiny_list *list,
unsigned int new_size);
void *svgtiny_list_get(struct svgtiny_list *list,
unsigned int i);
void *svgtiny_list_push(struct svgtiny_list *list);
void svgtiny_list_free(struct svgtiny_list *list);
/* colors.gperf */
const struct svgtiny_named_color *
svgtiny_color_lookup(register const char *str,
register unsigned int len);
#endif
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