Ejemplos de cairo_surface_get_mime_data en C++ (Cpp)

Ejemplo n.º 1

Archivo: api-special-cases.c Proyecto: JamalAbuDayyeh/pdf4ax

static cairo_test_status_t
test_cairo_surface_get_mime_data (cairo_surface_t *surface)
{
    const char *mimetype = "text/x-uri";
    const unsigned char *data;
    unsigned long length;

    cairo_surface_get_mime_data (surface, mimetype, &data, &length);
    return data == NULL && length == 0 ? CAIRO_TEST_SUCCESS : CAIRO_TEST_ERROR;
}

Ejemplo n.º 2

Archivo: obj_surface.c Proyecto: steelman/oocairo

static int
get_mime_data(lua_State *L)
{
    cairo_surface_t **obj = luaL_checkudata(L, 1, OOCAIRO_MT_NAME_SURFACE);
    const char *mime_type = luaL_checkstring(L, 2);
    const unsigned char *data = NULL;
    unsigned long length = 0;

    cairo_surface_get_mime_data(*obj, mime_type, &data, &length);
    if (data == NULL)
        return 0;
    lua_pushlstring(L, (const char *) data, length);
    return 1;
}

Ejemplo n.º 3

Archivo: cairo-utils.cpp Proyecto: hermixy/inkscape

/** Retrieves the original compressed data for the surface, if any.
 * The returned data belongs to the object and should not be freed. */
guchar const *Pixbuf::getMimeData(gsize &len, std::string &mimetype) const
{
    static gchar const *mimetypes[] = {
        CAIRO_MIME_TYPE_JPEG, CAIRO_MIME_TYPE_JP2, CAIRO_MIME_TYPE_PNG, NULL };
    static guint mimetypes_len = g_strv_length(const_cast<gchar**>(mimetypes));

    guchar const *data = NULL;

    for (guint i = 0; i < mimetypes_len; ++i) {
        unsigned long len_long = 0;
        cairo_surface_get_mime_data(const_cast<cairo_surface_t*>(_surface), mimetypes[i], &data, &len_long);
        if (data != NULL) {
			len = len_long;
            mimetype = mimetypes[i];
            break;
        }
    }

    return data;
}