usershape.h

Go to the documentation of this file.

 
/*************************************************************************
 * Copyright (c) 2011 AT&T Intellectual Property 
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors: Details at https://graphviz.org
 *************************************************************************/
 
#pragma once
 
#include "cdt.h"
#include <stdbool.h>
#include <stdio.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
    typedef enum { FT_NULL,
        FT_BMP, FT_GIF, FT_PNG, FT_JPEG,
        FT_PDF, FT_PS, FT_EPS, FT_SVG, FT_XML,
        FT_RIFF, FT_WEBP, FT_ICO, FT_TIFF
    } imagetype_t;
 
    typedef enum {
        IMAGESCALE_FALSE,  /* no image scaling */
        IMAGESCALE_TRUE,   /* scale image to fit but keep aspect ratio */
        IMAGESCALE_WIDTH,  /* scale image width to fit, keep height fixed */
        IMAGESCALE_HEIGHT, /* scale image height to fit, keep width fixed */
        IMAGESCALE_BOTH    /* scale image to fit without regard for aspect ratio */
    } imagescale_t;
 
    typedef enum {
        IMAGEPOS_TOP_LEFT,      /* top left */
        IMAGEPOS_TOP_CENTER,    /* top center */
        IMAGEPOS_TOP_RIGHT,     /* top right */
        IMAGEPOS_MIDDLE_LEFT,   /* middle left */
        IMAGEPOS_MIDDLE_CENTER, /* middle center (true center, the default)*/
        IMAGEPOS_MIDDLE_RIGHT,  /* middle right */
        IMAGEPOS_BOTTOM_LEFT,   /* bottom left */
        IMAGEPOS_BOTTOM_CENTER, /* bottom center */
        IMAGEPOS_BOTTOM_RIGHT   /* bottom right */
    } imagepos_t;
 
    typedef struct usershape_s usershape_t;
 
    struct usershape_s {
        Dtlink_t link;
        const char *name;
        int macro_id;
        bool must_inline;
        bool nocache;
        FILE *f;
        imagetype_t type;
        char *stringtype;
        double x, y, w, h;
        int dpi;
        void *data;                   /* data loaded by a renderer */
        size_t datasize;              /* size of data (if mmap'ed) */
        void (*datafree)(usershape_t *us); /* renderer's function for freeing data */
    };
 
#ifdef __cplusplus
}
#endif