99 lines
2.4 KiB
Java
99 lines
2.4 KiB
Java
/* Communication module for Android terminals. -*- c-file-style: "GNU" -*-
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Copyright (C) 2024 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 android.graphics.Bitmap;
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import android.graphics.BitmapShader;
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import android.graphics.Canvas;
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import android.graphics.ColorFilter;
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import android.graphics.Paint;
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import android.graphics.Rect;
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import android.graphics.Shader.TileMode;
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/* This is a crude facsimilie of the BitmapDrawable class implementing
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just enough of its functionality to support displaying stipples in
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EmacsGC. */
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public final class EmacsTileObject
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{
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/* Bitmap object set by EmacsGC. */
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private Bitmap bitmap;
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/* Tiling modes on either axis. */
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private TileMode xTile, yTile;
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/* Destination rectangle. */
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private Rect boundsRect;
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/* Paint providing graphics properties for drawBitmap. */
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private final Paint paint;
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public
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EmacsTileObject (Bitmap stippleBitmap)
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{
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bitmap = stippleBitmap;
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paint = new Paint ();
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}
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public void
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setBitmap (Bitmap newBitmap)
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{
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bitmap = newBitmap;
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}
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public void
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setBounds (Rect bounds)
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{
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boundsRect = bounds;
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}
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public void
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setTileModeXY (TileMode newXTile, TileMode newYTile)
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{
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xTile = newXTile;
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yTile = newYTile;
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}
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public void
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setColorFilter (ColorFilter filterObject)
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{
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paint.setColorFilter (filterObject);
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}
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public Bitmap
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getBitmap ()
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{
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return bitmap;
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}
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/* Replicate `bitmap' over CANVAS so that boundsRect is covered with
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copies thereof on the X axis, if xTile is REPEAT, and also on the Y
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axis, if yTile is a like value. */
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public void
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draw (Canvas canvas)
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{
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paint.setShader (new BitmapShader (bitmap, xTile, yTile));
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canvas.drawRect (boundsRect, paint);
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}
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};
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