1j01/textual-paint
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Clean up old magnifier preview approach

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Isaiah Odhner 2023-04-19 21:14:07 -04:00
parent bd8ebad377
commit bf16e60509
2 changed files with 0 additions and 21 deletions
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1
paint.css
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@ -27,7 +27,6 @@ Screen {
#editing-area { #editing-area {
background: rgb(128, 128, 128); background: rgb(128, 128, 128);
/* layers: magnifier_preview; */
} }
.-dark-mode #editing-area { .-dark-mode #editing-area {
background: $surface-lighten-2; background: $surface-lighten-2;

20
paint.py
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@ -1382,7 +1382,6 @@ class PaintApp(App):
ToolsBox(), ToolsBox(),
Container( Container(
Canvas(id="canvas"), Canvas(id="canvas"),
# Container(id="magnifier-preview"),
id="editing-area", id="editing-area",
), ),
id="main-horizontal-split", id="main-horizontal-split",
@ -1397,7 +1396,6 @@ class PaintApp(App):
self.canvas = self.query_one("#canvas", Canvas) self.canvas = self.query_one("#canvas", Canvas)
self.canvas.image = self.image self.canvas.image = self.image
self.editing_area = self.query_one("#editing-area", Container) self.editing_area = self.query_one("#editing-area", Container)
# self.magnifier_preview = self.query_one("#magnifier-preview", Container)
def pick_color(self, x: int, y: int) -> None: def pick_color(self, x: int, y: int) -> None:
"""Select a color from the image.""" """Select a color from the image."""
@ -1524,24 +1522,6 @@ class PaintApp(App):
rect_x = rect_x1 rect_x = rect_x1
rect_y = rect_y1 rect_y = rect_y1
# draw rectangle around the prospective viewport
# This approach didn't work because
# 1. the magnifier preview box blocked mouse events
# 2. alpha transparency didn't work, it blended with the background ignoring the canvas
# self.magnifier_preview.display = True
# self.magnifier_preview.styles.offset = (
# rect_x * self.magnification,
# rect_y * self.magnification,
# )
# self.magnifier_preview.styles.width = rect_w * self.magnification
# self.magnifier_preview.styles.height = rect_h * self.magnification
# self.magnifier_preview.styles.border = ("solid", "#000000")
# self.magnifier_preview.styles.background = Color(255, 0, 0, a=0.1)
# self.magnifier_preview.styles.layer = "magnifier_preview"
# draw rectangle around the prospective viewport directly
# This is more efficient, and lets us invert the colors
# so that the preview box is visible on any background.
self.canvas.magnifier_preview_region = Region(rect_x, rect_y, rect_w, rect_h) self.canvas.magnifier_preview_region = Region(rect_x, rect_y, rect_w, rect_h)
self.canvas.refresh_scaled_region(self.canvas.magnifier_preview_region) self.canvas.refresh_scaled_region(self.canvas.magnifier_preview_region)