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Implement flip horizontal/vertical

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This commit is contained in:
Isaiah Odhner 2023-07-09 02:47:43 -04:00
parent 755a92fce0
commit 2a7d88b10c
2 changed files with 74 additions and 1 deletions
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4
src/textual_paint/paint.css
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@ -355,6 +355,10 @@ DialogWindow .buttons Button {
width: 20;
}
#flip_rotate_dialog RadioSet {
layout: vertical;
}
EditColorsDialogWindow .window_content {
padding: 1;
padding-top: 0;

71
src/textual_paint/paint.py
View File

@ -3548,7 +3548,76 @@ Columns: {len(palette) // 2}
self.toggle_class("view_bitmap")
def action_flip_rotate(self) -> None:
"""Show dialog to flip or rotate the image."""
self.close_windows("#flip_rotate_dialog")
def handle_button(button: Button) -> None:
if button.has_class("ok"):
if window.content.query_one("#flip_horizontal", RadioButton).value:
self.action_flip_horizontal()
elif window.content.query_one("#flip_vertical", RadioButton).value:
self.action_flip_vertical()
elif window.content.query_one("#rotate_by_angle", RadioButton).value:
self.action_rotate_by_angle()
window.close()
window = DialogWindow(
id="flip_rotate_dialog",
title=_("Flip/Rotate"),
handle_button=handle_button,
)
window.content.mount(
RadioSet(
RadioButton(_("Flip horizontal"), id="flip_horizontal", classes="autofocus"),
RadioButton(_("Flip vertical"), id="flip_vertical"),
RadioButton(_("Rotate by angle"), id="rotate_by_angle"),
classes="autofocus",
),
Container(
Button(_("OK"), classes="ok submit", variant="primary"),
Button(_("Cancel"), classes="cancel"),
classes="buttons",
)
)
window.content.query_one(RadioSet).border_title = _("Flip and Rotate")
window.content.query_one("#flip_horizontal", RadioButton).value = True
self.mount(window)
def action_flip_horizontal(self) -> None:
"""Flip the image horizontally."""
action = Action(_("Flip horizontal"), Region(0, 0, self.image.width, self.image.height))
action.is_full_update = True
action.update(self.image)
self.add_action(action)
source = AnsiArtDocument(self.image.width, self.image.height)
source.copy(self.image)
for y in range(self.image.height):
for x in range(self.image.width):
self.image.ch[y][self.image.width - x - 1] = source.ch[y][x]
self.image.fg[y][self.image.width - x - 1] = source.fg[y][x]
self.image.bg[y][self.image.width - x - 1] = source.bg[y][x]
self.canvas.refresh()
def action_flip_vertical(self) -> None:
"""Flip the image vertically."""
action = Action(_("Flip vertical"), Region(0, 0, self.image.width, self.image.height))
action.is_full_update = True
action.update(self.image)
self.add_action(action)
source = AnsiArtDocument(self.image.width, self.image.height)
source.copy(self.image)
for y in range(self.image.height):
for x in range(self.image.width):
self.image.ch[self.image.height - y - 1][x] = source.ch[y][x]
self.image.fg[self.image.height - y - 1][x] = source.fg[y][x]
self.image.bg[self.image.height - y - 1][x] = source.bg[y][x]
self.canvas.refresh()
def action_rotate_by_angle(self) -> None:
self.message_box(_("Paint"), "Not implemented.", "ok")
def action_stretch_skew(self) -> None:
self.message_box(_("Paint"), "Not implemented.", "ok")
@ -3796,7 +3865,7 @@ Columns: {len(palette) // 2}
MenuItem(_("&View Bitmap\tCtrl+F"), self.action_view_bitmap, 37673, description=_("Displays the entire picture.")),
])),
MenuItem(remove_hotkey(_("&Image")), submenu=Menu([
MenuItem(_("&Flip/Rotate...\tCtrl+R"), self.action_flip_rotate, 37680, grayed=True, description=_("Flips or rotates the picture or a selection.")),
MenuItem(_("&Flip/Rotate...\tCtrl+R"), self.action_flip_rotate, 37680, description=_("Flips or rotates the picture or a selection.")),
MenuItem(_("&Stretch/Skew...\tCtrl+W"), self.action_stretch_skew, 37681, grayed=True, description=_("Stretches or skews the picture or a selection.")),
MenuItem(_("&Invert Colors\tCtrl+I"), self.action_invert_colors, 37682, description=_("Inverts the colors of the picture or a selection.")),
MenuItem(_("&Attributes...\tCtrl+E"), self.action_attributes, 37683, description=_("Changes the attributes of the picture.")),