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Fix aspect ratio of image

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This commit is contained in:
Nicolas Hiillos
2023-02-09 11:43:30 +02:00
parent 5bfd559f4a
commit dd31f5c400
1 changed files with 15 additions and 2 deletions
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17
src/drawing_controller/drawing_controller/svg_processor.py
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@@ -35,6 +35,10 @@ class SVGProcessor():
"polyline": self.primitive_polyline, "polyline": self.primitive_polyline,
"polygon": self.primitive_polygon, "polygon": self.primitive_polygon,
} }
# Landscape A4: 210 x 297 mm
self.paper_width = 297
self.paper_height = 210
self.map_point = self.map_point_function(1000, self.map_point = self.map_point_function(1000,
1000) 1000)
@@ -323,9 +327,18 @@ class SVGProcessor():
return rmin + (val * rspan) return rmin + (val * rspan)
def map_point_function(self, x_pixels, y_pixels): def map_point_function(self, x_pixels, y_pixels):
x_offset = 0
y_offset = 0
if (x_pixels > y_pixels):
ratio = self.paper_height / self.paper_width
y_offset = x_pixels * ratio - y_pixels
else:
ratio = self.paper_width / self.paper_height
x_offset = y_pixels * ratio - x_pixels
def map_point(xpix,ypix): def map_point(xpix,ypix):
x = self.translate(xpix, 0, x_pixels, 0, 1) x = self.translate(xpix, 0, x_pixels + x_offset, 0, 1)
y = self.translate(ypix, 0, y_pixels, 0, 1) y = self.translate(ypix, 0, y_pixels + y_offset, 0, 1)
return (x,y) return (x,y)
return map_point return map_point