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import bpy
import numpy
import os
def get_orig_render_settings():
rs = bpy.context.scene.render
ims = rs.image_settings
vs = bpy.context.scene.view_settings
orig_settings = {
'file_format': ims.file_format,
'quality': ims.quality,
'color_mode': ims.color_mode,
'compression': ims.compression,
'exr_codec': ims.exr_codec,
'view_transform': vs.view_transform
}
return orig_settings
def set_orig_render_settings(orig_settings):
rs = bpy.context.scene.render
ims = rs.image_settings
vs = bpy.context.scene.view_settings
ims.file_format = orig_settings['file_format']
ims.quality = orig_settings['quality']
ims.color_mode = orig_settings['color_mode']
ims.compression = orig_settings['compression']
ims.exr_codec = orig_settings['exr_codec']
vs.view_transform = orig_settings['view_transform']
def img_save_as(img, filepath='//', file_format='JPEG', quality=90, color_mode='RGB', compression=15, view_transform = 'Raw', exr_codec = 'DWAA'):
'''Uses Blender 'save render' to save images - BLender isn't really able so save images with other methods correctly.'''
ors = get_orig_render_settings()
rs = bpy.context.scene.render
vs = bpy.context.scene.view_settings
ims = rs.image_settings
ims.file_format = file_format
ims.quality = quality
ims.color_mode = color_mode
ims.compression = compression
ims.exr_codec = exr_codec
vs.view_transform = view_transform
img.save_render(filepath=bpy.path.abspath(filepath), scene=bpy.context.scene)
set_orig_render_settings(ors)
def set_colorspace(img, colorspace):
'''sets image colorspace, but does so in a try statement, because some people might actually replace the default
colorspace settings, and it literally can't be guessed what these people use, even if it will mostly be the filmic addon.
'''
try:
img.colorspace_settings.name = colorspace
except:
print('Colorspace {colorspace} not found.')
def generate_hdr_thumbnail():
scene = bpy.context.scene
ui_props = scene.blenderkitUI
hdr_image = ui_props.hdr_upload_image#bpy.data.images.get(ui_props.hdr_upload_image)
base, ext = os.path.splitext(hdr_image.filepath)
thumb_path = base + '.jpg'
thumb_name = os.path.basename(thumb_path)
max_thumbnail_size = 2048
size = hdr_image.size
ratio = size[0] / size[1]
imageWidth = size[0]
imageHeight = size[1]
thumbnailWidth = min(size[0], max_thumbnail_size)
thumbnailHeight = min(size[1], int(max_thumbnail_size / ratio))
tempBuffer = numpy.empty(imageWidth * imageHeight * 4, dtype=numpy.float32)
inew = bpy.data.images.new(thumb_name, imageWidth, imageHeight, alpha=False, float_buffer=False)
hdr_image.pixels.foreach_get(tempBuffer)
inew.filepath = thumb_path
set_colorspace(inew, 'Linear')
inew.pixels.foreach_set(tempBuffer)
bpy.context.view_layer.update()
if thumbnailWidth < imageWidth:
inew.scale(thumbnailWidth, thumbnailHeight)
img_save_as(inew, filepath=inew.filepath)
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