netsurf/desktop/plotters.h

75 lines
2.5 KiB
C

/*
* Copyright 2004 James Bursa <bursa@users.sourceforge.net>
*
* This file is part of NetSurf, http://www.netsurf-browser.org/
*
* NetSurf is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* NetSurf is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/** \file
* Target independent plotting (interface).
*/
#ifndef _NETSURF_DESKTOP_PLOTTERS_H_
#define _NETSURF_DESKTOP_PLOTTERS_H_
#include <stdbool.h>
#include "css/css.h"
#include "content/content.h"
struct bitmap;
/** Set of target specific plotting functions. */
struct plotter_table {
bool (*clg)(colour c);
bool (*rectangle)(int x0, int y0, int width, int height,
int line_width, colour c, bool dotted, bool dashed);
bool (*line)(int x0, int y0, int x1, int y1, int width,
colour c, bool dotted, bool dashed);
bool (*polygon)(int *p, unsigned int n, colour fill);
bool (*fill)(int x0, int y0, int x1, int y1, colour c);
bool (*clip)(int x0, int y0, int x1, int y1);
bool (*text)(int x, int y, const struct css_style *style,
const char *text, size_t length, colour bg, colour c);
bool (*disc)(int x, int y, int radius, colour c, bool filled);
bool (*arc)(int x, int y, int radius, int angle1, int angle2,
colour c);
bool (*bitmap)(int x, int y, int width, int height,
struct bitmap *bitmap, colour bg,
struct content *content);
bool (*bitmap_tile)(int x, int y, int width, int height,
struct bitmap *bitmap, colour bg,
bool repeat_x, bool repeat_y, struct content *content);
bool (*group_start)(const char *name); /**< optional, may be NULL */
bool (*group_end)(void); /**< optional, may be NULL */
bool (*flush)(void); /**< optional, may be NULL */
bool (*path)(float *p, unsigned int n, colour fill, float width,
colour c, float *transform);
bool option_knockout; /**< when set, avoid areas are replotted more than once. */
};
/** Current plotters, must be assigned before use. */
extern struct plotter_table plot;
enum path_command {
PLOTTER_PATH_MOVE,
PLOTTER_PATH_CLOSE,
PLOTTER_PATH_LINE,
PLOTTER_PATH_BEZIER,
};
#endif