def render_graph_image(graph_artwork, graph_data_range, graph_render_options):
width_ex, height_ex = graph_render_options["size"]
mm_per_ex = get_mm_per_ex(graph_render_options["font_size"])
legend_height = graph_legend_height(graph_artwork, graph_render_options)
image_height = (height_ex * mm_per_ex) + legend_height
# TODO: Better use reporting.get_report_instance()
doc = pdf.Document(font_family="Helvetica",
font_size=graph_render_options["font_size"],
lineheight=1.2,
pagesize=(width_ex * mm_per_ex, image_height),
margins=(0, 0, 0, 0))
instance = {
"document": doc,
"options": {},
# Keys not set here. Do we need them?
#instance["range"] = from_until
#instance["range_title"] = range_title
#instance["macros"] = create_report_macros(report, from_until, range_title)
#instance["report"] = report
}
render_graph_pdf(instance,
graph_artwork,
graph_data_range,
graph_render_options,
pos_left=0.0,
pos_top=0.0,
total_width=(width_ex * mm_per_ex),
total_height=image_height)
pdf_graph = doc.end(do_send=False)
#open("/tmp/x.pdf", "w").write(pdf_graph)
return pdf.pdf2png(pdf_graph)
def graph_image_data_range(graph_render_options, start_time, end_time):
mm_per_ex = get_mm_per_ex(graph_render_options["font_size"])
width_mm = graph_render_options["size"][0] * mm_per_ex
return compute_pdf_graph_data_range(width_mm, start_time, end_time)
def graph_image_data_range(
graph_render_options: GraphRenderOptions, start_time: Timestamp, end_time: Timestamp
) -> GraphDataRange:
mm_per_ex = get_mm_per_ex(graph_render_options["font_size"])
width_mm = graph_render_options["size"][0] * mm_per_ex
return compute_pdf_graph_data_range(width_mm, start_time, end_time)