FabLab_Chemnitz/mightyscape-1.2
FabLab_Chemnitz/mightyscape-1.2
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add some more logic for images

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This commit is contained in:
Mario Voigt 2024-01-24 10:34:17 +01:00
parent 7dd40adc4b
commit a7776e7595
1 changed files with 40 additions and 26 deletions
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56
extensions/fablabchemnitz/laser_check/laser_check.py
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@ -14,6 +14,7 @@ from PIL import Image
from io import BytesIO from io import BytesIO
import base64 import base64
import urllib.request as urllib import urllib.request as urllib
from _ast import Or
class LaserCheck(inkex.EffectExtension): class LaserCheck(inkex.EffectExtension):
@ -525,52 +526,65 @@ class LaserCheck(inkex.EffectExtension):
img_w = img.getbbox()[2] img_w = img.getbbox()[2]
img_h = img.getbbox()[3] img_h = img.getbbox()[3]
if image.get('width') is None: if image.get('width') is None:
img_svg_w = self.svg.unittouu(str(img_w) + "px") * inkscapeScale img_svg_w = img_w * inkscapeScale
else: else:
img_svg_w = self.svg.unittouu(str(float(image.get('width'))) + "px") * inkscapeScale try:
img_svg_w = float(image.get('width')) * inkscapeScale
except Exception as e:
img_svg_w = self.svg.unittouu(image.get('width')) * inkscapeScale
if image.get('height') is None: if image.get('height') is None:
img_svg_h = self.svg.unittouu(str(img_h) + "px") * inkscapeScale img_svg_h = img_h * inkscapeScale
else: else:
img_svg_h = self.svg.unittouu(str(float(image.get('height'))) + "px") * inkscapeScale try:
img_svg_h = float(image.get('height')) * inkscapeScale
except Exception as e:
img_svg_h = self.svg.unittouu(image.get('height')) * inkscapeScale
imgScaleX = img_svg_w / img_w imgScaleX = img_svg_w / img_w
imgScaleY = img_svg_h / img_h imgScaleY = img_svg_h / img_h
dpiX = self.svg.unittouu(str(img_w) + "in") / img_svg_w uniform = False #check for aspect ratio
dpiY = self.svg.unittouu(str(img_h) + "in") / img_svg_h if round(imgScaleX, 3) == round(imgScaleY, 3) or \
image.get('preserveAspectRatio') is None or \
if round(dpiX, 0) < so.min_image_dpi or round(dpiY, 0) < so.min_image_dpi: "none" not in image.get('preserveAspectRatio'):
minDPIhits.append([image, dpiX, dpiY, img_svg_w, img_svg_h])
if round(dpiX, 0) > so.max_image_dpi or round(dpiY, 0) > so.max_image_dpi:
maxDPIhits.append([image, dpiX, dpiY, img_svg_w, img_svg_h])
uniform = False
if round(imgScaleX, 3) == round(imgScaleY, 3):
uniform = True uniform = True
else: else:
malformedScales.append([image, imgScaleX, imgScaleY]) malformedScales.append([image, imgScaleX, imgScaleY])
inkex.utils.debug("image id={} - internal size {}x{}px - scaled to {:0.0f}x{:0.0f}px - DPI X{:0.0f}+Y{:0.0f}".format(image.get('id'), img_w, img_h, img_svg_w, img_svg_h, dpiX, dpiY)) dpiX = self.svg.unittouu(str(img_w) + "in") / img_svg_w
dpiY = self.svg.unittouu(str(img_h) + "in") / img_svg_h
if round(dpiX, 0) < so.min_image_dpi or (round(dpiY, 0) < so.min_image_dpi and uniform is False):
minDPIhits.append([image, dpiX, dpiY, img_svg_w, img_svg_h])
if round(dpiX, 0) > so.max_image_dpi or (round(dpiY, 0) > so.max_image_dpi and uniform is False):
maxDPIhits.append([image, dpiX, dpiY, img_svg_w, img_svg_h])
inkex.utils.debug("image id={} - internal size {}x{}px - scaled to {:0.2f}x{:0.2f}px - DPI X{:0.2f}+Y{:0.2f} - uniform = {}".format(image.get('id'), img_w, img_h, img_svg_w, img_h*img_svg_w/img_w if uniform is True else img_svg_h, dpiX, dpiX if uniform is True else dpiY, uniform))
dpi_string = "Image {} has DPI X{:0.2f}+Y{:0.2f} {} {:0.0f} ({}). "\
"Resize to {:0.2f}x{:0.2f}px to fit or try to set/change preserveAspectRatio attribute"
if len(minDPIhits) > 0: if len(minDPIhits) > 0:
for minDPIhit in minDPIhits: for minDPIhit in minDPIhits:
inkex.utils.debug("Image {} has DPI X{:0.0f}+Y{:0.0f} < min. {:0.0f}. "\ inkex.utils.debug(dpi_string.format(
"Resize to {:0.0f}x{:0.0f}px to fit".format(
minDPIhit[0].get('id'), minDPIhit[0].get('id'),
minDPIhit[1], minDPIhit[1],
minDPIhit[2], minDPIhit[2],
"<",
so.min_image_dpi, so.min_image_dpi,
"minimum",
minDPIhit[3] * (minDPIhit[1] / so.min_image_dpi), minDPIhit[3] * (minDPIhit[1] / so.min_image_dpi),
minDPIhit[4] * (minDPIhit[2] / so.min_image_dpi), minDPIhit[4] * (minDPIhit[2] / so.min_image_dpi),
)) ))
if len(maxDPIhits) > 0: if len(maxDPIhits) > 0:
for maxDPIhit in maxDPIhits: for maxDPIhit in maxDPIhits:
inkex.utils.debug("Image {} has DPI X{:0.0f}+Y{:0.0f} > max. {:0.0f}. "\ inkex.utils.debug(dpi_string.format(
"Resize to {:0.0f}x{:0.0f}px to fit".format(
maxDPIhit[0].get('id'), maxDPIhit[0].get('id'),
maxDPIhit[1], maxDPIhit[1],
maxDPIhit[2], maxDPIhit[2],
">",
so.max_image_dpi, so.max_image_dpi,
maxDPIhit[3] * (maxDPIhit[1] / so.max_image_dpi), "maximum",
maxDPIhit[4] * (maxDPIhit[2] / so.max_image_dpi), maxDPIhit[3] * (maxDPIhit[1] / so.max_image_dpi) * inkscapeScale,
maxDPIhit[4] * (maxDPIhit[2] / so.max_image_dpi) * inkscapeScale,
)) ))
if len(malformedScales) > 0: if len(malformedScales) > 0:
for malformedScale in malformedScales: for malformedScale in malformedScales: