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Use Python for JPEG2000 to BMP Images Conversion

Create Python Apps to Convert JPEG2000 to BMP Images and Photos via Server APIs

How to Convert JPEG2000 to BMP Images and Photos with Python

Image files conversion from one format to another is a common task encountered by every graphic designer. The efficiency and excellence in converting files not only impact the speed of completion but also play a crucial role in assessing the overall work quality. Concerning the images sources, they frequently necessitate transformation into alternative formats more suited for printing or online distribution. An image crafted in a graphic editor is likely to be in vector format. In such instances, for website publication, it must undergo rasterization and be saved in a raster format. You have the option to convert the image in an uncompressed format for superior quality or save it to a lossless compressed format to minimize the file size. For scenarios where file size reduction is obligatory, like in website applications, there’s the possibility of conversion to lossy compression formats. Specialized data compression algorithms for images can significantly diminish file size while upholding acceptable image quality, ensuring swift image loading. To convert images and photos from JPEG2000 to BMP, we will employ Aspose.Imaging for Python via .NET API which is a feature-rich, powerful and easy to use image manipulation and conversion API for Python platform. You may install it using the following command from your system command.

The system command line

>> pip install aspose-imaging-python-net

Steps to Convert JPEG2000 to BMP via Python

Developers can easily load & convert JPEG2000 files to BMP in just a few lines of code.

  • load JPEG2000 file with Image.Load method;
  • create & set the instance of required subclass of ImageOptionsBase (e.g. BmpOptions, PngOptions, etc.);
  • call the Image.Save method;
  • pass file path with BMP extension & object of ImageOptionsBase class.

System Requirements

Before running the conversion example code, make sure that you have the following prerequisites:

  • Operating system: Windows or Linux.
  • Development environment: Supports .NET Core 7 and higher, such as Microsoft Visual Studio.

Free App to Convert JPEG2000 to BMP

  • Select or drag and drop JPEG2000 image
  • Choose format and click Convert button
  • Click Download button to download BMP image

Check our live demos to convert JPEG2000 to BMP

Convert JPEG2000 to BMP - Python

from aspose.imaging import *
from aspose.imaging.fileformats.tiff.enums import *
from aspose.imaging.fileformats.jpeg2000 import *
from aspose.imaging.fileformats.png import *
from aspose.imaging.imageoptions import *
from aspose.pycore import is_assignable
import os
if 'TEMPLATE_DIR' in os.environ:
templates_folder = os.environ['TEMPLATE_DIR']
else:
templates_folder = r"C:\Users\USER\Downloads\templates"
delete_output = 'SAVE_OUTPUT' not in os.environ
data_dir = templates_folder
def process_convertion():
import_formats, export_formats = get_available_image_formats()
for import_key, import_value in import_formats.items():
format_ext = import_key
input_file = os.path.join(templates_folder, f"template.{format_ext}")
if not os.path.exists(input_file):
continue
for export_key, export_value in export_formats.items():
output_file = os.path.join(templates_folder, f"convert-{format_ext}-to-{export_key}.{export_key}")
print("Processing conversion:" + output_file)
with Image.load(input_file) as image:
export_options = export_value.clone()
if is_assignable(image, VectorImage):
rasterization_options = import_value
rasterization_options.page_width = float(image.width)
rasterization_options.page_height = float(image.height)
export_options.vector_rasterization_options = rasterization_options
image.save(output_file, export_options)
if delete_output:
os.remove(output_file)
def get_available_image_formats():
obj_init = Jpeg2000Options()
obj_init.codec = Jpeg2000Codec.J2K
obj_init2 = Jpeg2000Options()
obj_init2.codec = Jpeg2000Codec.JP2
obj_init3 = PngOptions()
obj_init3.color_type = PngColorType.TRUECOLOR_WITH_ALPHA
obj_init4 = {}
obj_init4["bmp"] = BmpOptions()
obj_init4["gif"] = GifOptions()
obj_init4["dicom"] = DicomOptions()
obj_init4["jpg"] = JpegOptions()
obj_init4["jpeg"] = JpegOptions()
obj_init4["jpeg2000"] = Jpeg2000Options()
obj_init4["j2k"] = obj_init
obj_init4["jp2"] = obj_init2
obj_init4["png"] = obj_init3
obj_init4["apng"] = ApngOptions()
obj_init4["tiff"] = TiffOptions(TiffExpectedFormat.DEFAULT)
obj_init4["tif"] = TiffOptions(TiffExpectedFormat.DEFAULT)
obj_init4["tga"] = TgaOptions()
obj_init4["webp"] = WebPOptions()
obj_init4["ico"] = IcoOptions(FileFormat.PNG, 24)
raster_formats_that_support_export_and_import = obj_init4
obj_init5 = EmfOptions()
obj_init5.compress = True
obj_init6 = WmfOptions()
obj_init6.compress = True
obj_init7 = SvgOptions()
obj_init7.compress = True
obj_init8 = {}
obj_init8["emf"] = (EmfOptions(), EmfRasterizationOptions())
obj_init8["svg"] = (SvgOptions(), SvgRasterizationOptions())
obj_init8["wmf"] = (WmfOptions(), WmfRasterizationOptions())
obj_init8["emz"] = (obj_init5, EmfRasterizationOptions())
obj_init8["wmz"] = (obj_init6, WmfRasterizationOptions())
obj_init8["svgz"] = (obj_init7, SvgRasterizationOptions())
vector_formats_that_support_export_and_import = obj_init8
obj_init9 = DxfOptions()
obj_init9.text_as_lines = True
obj_init9.convert_text_beziers = True
obj_init10 = {}
obj_init10["psd"] = PsdOptions()
obj_init10["dxf"] = obj_init9
obj_init10["pdf"] = PdfOptions()
obj_init10["html"] = Html5CanvasOptions()
formats_only_for_export = obj_init10
obj_init11 = {}
obj_init11["djvu"] = None
obj_init11["dng"] = None
obj_init11["dib"] = None
formats_only_for_import = obj_init11
obj_init12 = {}
obj_init12["eps"] = EpsRasterizationOptions()
obj_init12["cdr"] = CdrRasterizationOptions()
obj_init12["cmx"] = CmxRasterizationOptions()
obj_init12["otg"] = OtgRasterizationOptions()
obj_init12["odg"] = OdgRasterizationOptions()
vector_formats_only_for_import = obj_init12
# Get total set of formats to what we can export images
export_formats = {k: v[0] for k, v in vector_formats_that_support_export_and_import.items()}
export_formats.update(formats_only_for_export)
export_formats.update(raster_formats_that_support_export_and_import)
# Get total set of formats that can be loaded
import_formats = {k : VectorRasterizationOptions() for k in formats_only_for_import}
import_formats.update(vector_formats_only_for_import)
import_formats.update({k : v[1] for k, v in vector_formats_that_support_export_and_import.items()})
return import_formats, export_formats
# run
process_convertion()

JPEG2000 What is JPEG2000 File Format

JPEG 2000 (JP2) is an image coding system and state-of-the-art image compression standard. Designed, using wavelet technology JPEG 2000 can code lossless content in any quality at once. Moreover, without any substantial penalty in coding efficiency, JPEG 2000 have the capability to access and decode the same content efficaciously into a variety of other resolutions and qualities. The code streams in JPEG 2000 is significantly scalable having regions of interest that provide the facility for spatial random access. Possessing Up to 16384 diverse components with the dimensions in terapixels, and precision that can be high as 38 bits/sample.

Read More | JPEG2000

BMP What is BMP File Format

Files having extension .BMP represent Bitmap Image files that are used to store bitmap digital images. These images are independent of graphics adapter and are also called device independent bitmap (DIB) file format. This independency serves the purpose of opening the file on multiple platforms such as Microsoft Windows and Mac. The BMP file format can store data as two-dimensional digital images in both monochrome as well as color format with various colour depths.

Read More | BMP

Other Supported Conversions

Using Python, one can easily convert different formats including:

BMP (Bitmap Picture)
GIF (Graphical Interchange Format)
DICOM (Digital Imaging & Communications)
EMF (Enhanced Metafile Format)
JPG (Joint Photographic Experts Group)
JPEG (Joint Photographic Experts Group)
PNG (Portable Network Graphics)
APNG (Animated Portable Network Graphics)
PSD (Photoshop Document)
DXF (Drawing Interchange Format, or Drawing Exchange Format,)
SVG (Scalable Vector Graphics)
TIFF (Tagged Image Format)
WEBP (Raster Web Image)
WMF (Microsoft Windows Metafile)
PDF (Portable Document Format (PDF))
HTML (HTML5 Canvas)
EMZ (Windows Compressed Enhanced Metafile)
WMZ (Compressed Windows Media Player Skin)
TGA (Targa Graphic)
SVGZ (Compressed version of Scalable Vector Graphics (.SVG) file.)
CANVAS (HTML5 Canvas)
ICO (Windows icon)