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48 lines
2.4 KiB
48 lines
2.4 KiB
9 years ago
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/*
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XOWA: the XOWA Offline Wiki Application
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Copyright (C) 2012 gnosygnu@gmail.com
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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 Affero General Public License as
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published by the Free Software Foundation, either version 3 of the
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License, or (at your option) any later version.
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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 Affero General Public License for more details.
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You should have received a copy of the GNU Affero 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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package gplx.gfui; import gplx.*;
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import org.eclipse.swt.SWT;
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import org.eclipse.swt.graphics.GC;
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import org.eclipse.swt.graphics.Image;
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import org.eclipse.swt.widgets.Display;
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class Swt_img implements ImageAdp {
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public Swt_img(Gfui_kit kit, Image under, int w, int h) {this.kit = kit; this.under = under; this.width = w; this.height = h;}
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public Gfui_kit Kit() {return kit;} Gfui_kit kit;
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public SizeAdp Size() {if (size == null) size = SizeAdp_.new_(width, height); return size;} SizeAdp size;
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public int Width() {return width;} int width;
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public int Height() {return height;} int height;
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public Io_url Url() {return url;} public ImageAdp Url_(Io_url v) {url = v; return this;} Io_url url = Io_url_.Empty;
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public Object Under() {return under;} Image under;
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public boolean Disposed() {return under.isDisposed();}
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public void Rls() {under.dispose();}
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public void SaveAsBmp(Io_url url) {throw Exc_.new_unimplemented();}
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public void SaveAsPng(Io_url url) {throw Exc_.new_unimplemented();}
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public ImageAdp Resize(int trg_w, int trg_h) {return Extract_image(0, 0, width, height, trg_w, trg_h);}
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public ImageAdp Extract_image(RectAdp src_rect, SizeAdp trg_size) {return Extract_image(src_rect.X(), src_rect.Y(), src_rect.Width(), src_rect.Height(), trg_size.Width(), trg_size.Height());}
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public ImageAdp Extract_image(int src_x, int src_y, int src_w, int src_h, int trg_w, int trg_h) {
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Image trg_img = new Image(Display.getDefault(), trg_w, trg_h);
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GC gc = new GC(trg_img);
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gc.setAntialias(SWT.ON);
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gc.setInterpolation(SWT.HIGH);
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gc.drawImage(under, src_x, src_y, src_w, src_h, 0, 0, trg_w, trg_h);
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gc.dispose();
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return new Swt_img(kit, trg_img, trg_w, trg_h);
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}
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}
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