057ca6a3d0
`GdkSurface:scale` supports fractional scaling available as "scale-monitor-framebuffer" on Mutter. Use this value everywhere instead of the integer scale-factor Closing #182
57 lines
1.9 KiB
Rust
57 lines
1.9 KiB
Rust
// Copyright (c) 2023 Sophie Herold
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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//
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// SPDX-License-Identifier: GPL-3.0-or-later
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use super::*;
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impl LpImage {
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/// Drag and drop content provider
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pub fn content_provider(&self) -> Option<gdk::ContentProvider> {
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let file = self.file()?;
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let list = gdk::FileList::from_array(&[file]);
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Some(gdk::ContentProvider::for_value(&list.to_value()))
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}
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/// Returns a thumbnail of the displated image
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pub fn thumbnail(&self) -> Option<gdk::Paintable> {
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let (width, height) = self.image_size();
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let long_side = i32::max(width, height);
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let orientation = self.metadata().orientation();
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let scale = f32::min(1., THUMBNAIL_SIZE / long_side as f32);
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let render_options = tiling::RenderOptions {
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scaling_filter: gsk::ScalingFilter::Trilinear,
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scaling: self.scaling(),
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background_color: Some(self.background_color()),
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};
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let snapshot = gtk::Snapshot::new();
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self.snapshot_rotate_mirror(
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&snapshot,
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-orientation.rotation as f32,
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orientation.mirrored,
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scale as f64,
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);
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self.imp()
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.frame_buffer
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.load()
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.add_to_snapshot(&snapshot, scale as f64, &render_options);
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snapshot.to_paintable(None)
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}
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}
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