-
Notifications
You must be signed in to change notification settings - Fork 39
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
[refactor] all the classes earlier in odemis.gui.comp.overlay.view.py…
… have been split into individual python files.
- Loading branch information
1 parent
4f1f621
commit 2043951
Showing
19 changed files
with
2,039 additions
and
1,710 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,103 @@ | ||
| # -*- coding: utf-8 -*- | ||
|
|
||
| """ | ||
| :created: 2014-01-25 | ||
| :author: Rinze de Laat | ||
| :copyright: © 2014 Rinze de Laat, Delmic | ||
| This file is part of Odemis. | ||
| .. license:: | ||
| Odemis is free software: you can redistribute it and/or modify it under the | ||
| terms of the GNU General Public License version 2 as published by the Free | ||
| Software Foundation. | ||
| Odemis is distributed in the hope that it will be useful, but WITHOUT ANY | ||
| WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A | ||
| PARTICULAR PURPOSE. See the GNU General Public License for more details. | ||
| You should have received a copy of the GNU General Public License along with | ||
| Odemis. If not, see http://www.gnu.org/licenses/. | ||
| """ | ||
|
|
||
| import odemis.gui as gui | ||
| import odemis.gui.comp.overlay.base as base | ||
| import odemis.util.conversion as conversion | ||
|
|
||
| # Shape type of CenteredLineOverlay | ||
| CROSSHAIR, HORIZONTAL_LINE, VERTICAL_LINE = 0, 1, 2 | ||
|
|
||
|
|
||
| class CenteredLineOverlay(base.ViewOverlay): | ||
| """ Render a static line (horizontal, vertical, crosshair) around the center of the view """ | ||
|
|
||
| def __init__(self, cnvs, colour=gui.CROSSHAIR_COLOR, size=gui.CROSSHAIR_SIZE, shape=CROSSHAIR, | ||
| thickness=gui.CENTERED_LINE_THICKNESS): | ||
| base.ViewOverlay.__init__(self, cnvs) | ||
|
|
||
| self.colour = conversion.hex_to_frgba(colour) | ||
| self.size = size | ||
| self.thickness = thickness | ||
| self.shape = shape | ||
| if self.shape not in (CROSSHAIR, HORIZONTAL_LINE, VERTICAL_LINE): | ||
| raise ValueError("Unknown shape input {}.".format(self.shape)) | ||
|
|
||
| def _draw_vertical_line(self, ctx, center, size, colour, thickness): | ||
| """ | ||
| Draw vertical line around the center point | ||
| """ | ||
| top = center[1] - size | ||
| bottom = center[1] + size | ||
|
|
||
| ctx.set_line_width(thickness) | ||
|
|
||
| # Draw shadow | ||
| ctx.set_source_rgba(0, 0, 0, 0.9) | ||
| ctx.move_to(center[0] + 1.5, top + 1.5) | ||
| ctx.line_to(center[0] + 1.5, bottom + 1.5) | ||
| ctx.stroke() | ||
|
|
||
| # Draw cross hair | ||
| ctx.set_source_rgba(*colour) | ||
| ctx.move_to(center[0] + 0.5, top + 0.5) | ||
| ctx.line_to(center[0] + 0.5, bottom + 0.5) | ||
| ctx.stroke() | ||
|
|
||
| def _draw_horizontal_line(self, ctx, center, size, colour, thickness): | ||
| """ | ||
| Draw horizontal line around the center point | ||
| """ | ||
| left = center[0] - size | ||
| right = center[0] + size | ||
|
|
||
| ctx.set_line_width(thickness) | ||
|
|
||
| # Draw shadow | ||
| ctx.set_source_rgba(0, 0, 0, 0.9) | ||
| ctx.move_to(left + 1.5, center[1] + 1.5) | ||
| ctx.line_to(right + 1.5, center[1] + 1.5) | ||
| ctx.stroke() | ||
|
|
||
| # Draw cross hair | ||
| ctx.set_source_rgba(*colour) | ||
| ctx.move_to(left + 0.5, center[1] + 0.5) | ||
| ctx.line_to(right + 0.5, center[1] + 0.5) | ||
| ctx.stroke() | ||
|
|
||
| def draw_crosshair(self, ctx, center, size, colour, thickness): | ||
| """ | ||
| Draw cross hair given Cairo context and center position | ||
| """ | ||
| self._draw_horizontal_line(ctx, center, size, colour, thickness) | ||
| self._draw_vertical_line(ctx, center, size, colour, thickness) | ||
|
|
||
| def draw(self, ctx): | ||
| """ Draw a cross hair to the Cairo context """ | ||
| center = self.cnvs.get_half_view_size() | ||
| if self.shape is CROSSHAIR: | ||
| self.draw_crosshair(ctx, center, size=self.size, colour=self.colour, thickness=self.thickness) | ||
| elif self.shape is HORIZONTAL_LINE: | ||
| self._draw_horizontal_line(ctx, center, size=center[0], colour=self.colour, thickness=self.thickness) | ||
| elif self.shape is VERTICAL_LINE: | ||
| self._draw_vertical_line(ctx, center, size=center[1], colour=self.colour, thickness=self.thickness) |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Oops, something went wrong.