C++ (Cpp) mapnik_map_reset_last_error示例

示例#1

文件： mapnik_c_api.cpp 项目： niccaluim/mapnik-c-api

int mapnik_map_zoom_all(mapnik_map_t * m) {
    mapnik_map_reset_last_error(m);
    if (m && m->m) {
        try {
            m->m->zoom_all();
        } catch (std::exception const& ex) {
            m->err = new std::string(ex.what());
            return -1;
        }
        return 0;
    }
    return -1;
}

示例#2

文件： mapnik_c_api.cpp 项目： niccaluim/mapnik-c-api

int mapnik_map_load(mapnik_map_t * m, const char* stylesheet) {
    mapnik_map_reset_last_error(m);
    if (m && m->m) {
        try {
            mapnik::load_map(*m->m,stylesheet);
        } catch (std::exception const& ex) {
            m->err = new std::string(ex.what());
            return -1;
        }
        return 0;
    }
    return -1;
}

示例#3

文件： mapnik_c_api.cpp 项目： sgelb/go-mapnik

int mapnik_map_load_string(mapnik_map_t *m, const char* s, const char* base_path) {
    mapnik_map_reset_last_error(m);
    if (m && m->m) {
        try {
            mapnik::load_map_string(*(m->m), s, 0, std::string(base_path));
        } catch (std::exception const& ex) {
            m->err = new std::string(ex.what());
            return -1;
        }
        return 0;
    }
    return -1;
}

示例#4

文件： mapnik_c_api.cpp 项目： niccaluim/mapnik-c-api

int mapnik_map_render_to_file(mapnik_map_t * m, const char* filepath) {
    mapnik_map_reset_last_error(m);
    if (m && m->m) {
        try {
            mapnik_image_type buf(m->m->width(),m->m->height());
            mapnik::agg_renderer<mapnik_image_type> ren(*m->m,buf);
            ren.apply();
            mapnik::save_to_file(buf,filepath);
        } catch (std::exception const& ex) {
            m->err = new std::string(ex.what());
            return -1;
        }
        return 0;
    }
    return -1;
}

示例#5

文件： mapnik_c_api.cpp 项目： niccaluim/mapnik-c-api

mapnik_image_t * mapnik_map_render_to_image(mapnik_map_t * m) {
    mapnik_map_reset_last_error(m);
    mapnik_image_type * im = new mapnik_image_type(m->m->width(), m->m->height());
    if (m && m->m) {
        try {
            mapnik::agg_renderer<mapnik_image_type> ren(*m->m,*im);
            ren.apply();
        } catch (std::exception const& ex) {
            delete im;
            m->err = new std::string(ex.what());
            return NULL;
        }
    }
    mapnik_image_t * i = new mapnik_image_t;
    i->i = im;
    return i;
}

示例#6

文件： mapnik_c_api.cpp 项目： sgelb/go-mapnik

int mapnik_map_render_to_file(mapnik_map_t * m, const char* filepath, double scale, double scale_factor, const char *format) {
    mapnik_map_reset_last_error(m);
    if (m && m->m) {
        try {
            mapnik_rgba_image buf(m->m->width(), m->m->height());
            mapnik::agg_renderer<mapnik_rgba_image> ren(*m->m, buf, scale_factor);
            if (scale > 0.0) {
                ren.apply(scale);
            } else {
                ren.apply();
            }
            mapnik::save_to_file(buf, filepath, format);
        } catch (std::exception const& ex) {
            m->err = new std::string(ex.what());
            return -1;
        }
        return 0;
    }
    return -1;
}

示例#7

文件： mapnik_c_api.cpp 项目： sgelb/go-mapnik

mapnik_image_t * mapnik_map_render_to_image(mapnik_map_t * m, double scale, double scale_factor) {
    mapnik_map_reset_last_error(m);
    mapnik_rgba_image * im = new mapnik_rgba_image(m->m->width(), m->m->height());
    if (m && m->m) {
        try {
            mapnik::agg_renderer<mapnik_rgba_image> ren(*m->m, *im, scale_factor);
            if (scale > 0.0) {
                ren.apply(scale);
            } else {
                ren.apply();
            }
        } catch (std::exception const& ex) {
            delete im;
            m->err = new std::string(ex.what());
            return NULL;
        }
    }
    mapnik_image_t * i = new mapnik_image_t;
    i->i = im;
    i->err = NULL;
    return i;
}