888d351496
* java/Makefile.in: (emacs.apk-in): Don't call cp with empty args. * java/org/gnu/emacs/EmacsDrawLine.java (perform): Fix for PostScript filling semantics. * src/Makefile.in (android-emacs): Build android-emacs directly.
72 lines
2.0 KiB
Java
72 lines
2.0 KiB
Java
/* Communication module for Android terminals. -*- c-file-style: "GNU" -*-
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Copyright (C) 2023 Free Software Foundation, Inc.
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This file is part of GNU Emacs.
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GNU Emacs 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 (at
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your option) any later version.
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GNU Emacs 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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You should have received a copy of the GNU General Public License
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along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>. */
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package org.gnu.emacs;
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import java.lang.Math;
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import android.graphics.Bitmap;
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import android.graphics.Canvas;
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import android.graphics.Paint;
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import android.graphics.PorterDuff.Mode;
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import android.graphics.PorterDuffXfermode;
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import android.graphics.Rect;
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import android.graphics.Xfermode;
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public class EmacsDrawLine
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{
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public static void
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perform (EmacsDrawable drawable, EmacsGC gc,
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int x, int y, int x2, int y2)
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{
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Rect rect;
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Canvas canvas;
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Paint paint;
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int i;
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/* TODO implement stippling. */
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if (gc.fill_style == EmacsGC.GC_FILL_OPAQUE_STIPPLED)
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return;
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paint = gc.gcPaint;
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rect = new Rect (Math.min (x, x2 + 1),
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Math.min (y, y2 + 1),
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Math.max (x2 + 1, x),
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Math.max (y2 + 1, y));
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canvas = drawable.lockCanvas (gc);
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if (canvas == null)
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return;
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paint.setStyle (Paint.Style.STROKE);
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/* Since drawLine has PostScript style behavior, adjust the
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coordinates appropriately. */
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if (gc.clip_mask == null)
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canvas.drawLine ((float) x + 0.5f, (float) y + 0.5f,
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(float) x2 + 0.5f, (float) y2 + 0.5f,
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paint);
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/* DrawLine with clip mask not implemented; it is not used by
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Emacs. */
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drawable.damageRect (rect);
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}
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}
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