Android Open Source - DiceInDark Android Graphics

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License

The source code is released under:

GNU General Public License

Java Source Code

/*    Dice in the dark. D & D app for the blind and seeing impaired,
*    Copyright (C) <2013r>  <Lovisa Irpa Helgadottir>
*/* w  w w. j a v  a  2s. c o m*/
*    This program is free software: you can redistribute it and/or modify
*    it under the terms of the GNU General Public License as published by
*    the Free Software Foundation, either version 3 of the License, or
*    (at your option) any later version.
*
*    This program is distributed in the hope that it will be useful,
*    but WITHOUT ANY WARRANTY; without even the implied warranty of
*    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
*    GNU General Public License for more details.
*
*    You should have received a copy of the GNU General Public License
*    along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/
package com.example.framework.impl;

import java.io.IOException;
import java.io.InputStream;

import android.content.res.AssetManager;
import android.graphics.Bitmap;
import android.graphics.Bitmap.Config;
import android.graphics.BitmapFactory;
import android.graphics.BitmapFactory.Options;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.Paint.Style;
import android.graphics.Rect;

import com.example.framework.Graphics;
import com.example.framework.Pixmap;

public class AndroidGraphics implements Graphics {
    AssetManager assets;
    Bitmap frameBuffer;
    Canvas canvas;
    Paint paint;
    Rect srcRect = new Rect();
    Rect dstRect = new Rect();

    public AndroidGraphics(AssetManager assets, Bitmap frameBuffer) {
        this.assets = assets;
        this.frameBuffer = frameBuffer;
        this.canvas = new Canvas(frameBuffer);
        this.paint = new Paint();
    }

    public Pixmap newPixmap(String fileName, PixmapFormat format) {
        Config config = null;
        if (format == PixmapFormat.RGB565)
            config = Config.RGB_565;
        else if (format == PixmapFormat.ARGB4444)
            config = Config.ARGB_4444;
        else
            config = Config.ARGB_8888;

        Options options = new Options();
        options.inPreferredConfig = config;

        InputStream in = null;
        Bitmap bitmap = null;
        try {
            in = assets.open(fileName);
            bitmap = BitmapFactory.decodeStream(in);
            if (bitmap == null)
                throw new RuntimeException("Couldn't load bitmap from asset '"
                        + fileName + "'");
        } catch (IOException e) {
            throw new RuntimeException("Couldn't load bitmap from asset '"
                    + fileName + "'");
        } finally {
            if (in != null) {
                try {
                    in.close();
                } catch (IOException e) {
                }
            }
        }

        if (bitmap.getConfig() == Config.RGB_565)
            format = PixmapFormat.RGB565;
        else if (bitmap.getConfig() == Config.ARGB_4444)
            format = PixmapFormat.ARGB4444;
        else
            format = PixmapFormat.ARGB8888;

        return new AndroidPixmap(bitmap, format);
    }

    public void clear(int color) {
        canvas.drawRGB((color & 0xff0000) >> 16, (color & 0xff00) >> 8,
                (color & 0xff));
    }

    public void drawPixel(int x, int y, int color) {
        paint.setColor(color);
        canvas.drawPoint(x, y, paint);
    }

    public void drawLine(int x, int y, int x2, int y2, int color) {
        paint.setColor(color);
        canvas.drawLine(x, y, x2, y2, paint);
    }

    public void drawRect(int x, int y, int width, int height, int color) {
        paint.setColor(color);
        paint.setStyle(Style.FILL);
        canvas.drawRect(x, y, x + width - 1, y + width - 1, paint);
    }

    public void drawPixmap(Pixmap pixmap, int x, int y, int srcX, int srcY,
            int srcWidth, int srcHeight) {
        srcRect.left = srcX;
        srcRect.top = srcY;
        srcRect.right = srcX + srcWidth - 1;
        srcRect.bottom = srcY + srcHeight - 1;

        dstRect.left = x;
        dstRect.top = y;
        dstRect.right = x + srcWidth - 1;
        dstRect.bottom = y + srcHeight - 1;

        canvas.drawBitmap(((AndroidPixmap) pixmap).bitmap, srcRect, dstRect, null);
    }

    public void drawPixmap(Pixmap pixmap, int x, int y) {
        canvas.drawBitmap(((AndroidPixmap)pixmap).bitmap, x, y, null);
    }

    public int getWidth() {
        return frameBuffer.getWidth();
    }

    public int getHeight() {
        return frameBuffer.getHeight();
    }
}

Java Source Code List

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