diff options
Diffstat (limited to 'src/afzkl/development/mColorPicker/views/ColorPanelView.java')
-rw-r--r-- | src/afzkl/development/mColorPicker/views/ColorPanelView.java | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/src/afzkl/development/mColorPicker/views/ColorPanelView.java b/src/afzkl/development/mColorPicker/views/ColorPanelView.java new file mode 100644 index 0000000..9764ff1 --- /dev/null +++ b/src/afzkl/development/mColorPicker/views/ColorPanelView.java @@ -0,0 +1,174 @@ +/* + * Copyright (C) 2010 Daniel Nilsson + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + + +package afzkl.development.mColorPicker.views; + +import afzkl.development.mColorPicker.drawables.AlphaPatternDrawable; + +import android.content.Context; +import android.graphics.Canvas; +import android.graphics.Paint; +import android.graphics.RectF; +import android.util.AttributeSet; +import android.view.View; + +/** + * This class draws a panel which which will be filled with a color which can be set. + * It can be used to show the currently selected color which you will get from + * the {@link ColorPickerView}. + * @author Daniel Nilsson + * + */ +@SuppressWarnings("all") +public class ColorPanelView extends View{ + + /** + * The width in pixels of the border + * surrounding the color panel. + */ + private final static float BORDER_WIDTH_PX = 1; + + private static float mDensity = 1f; + + private int mBorderColor = 0xff6E6E6E; + private int mColor = 0xff000000; + + private Paint mBorderPaint; + private Paint mColorPaint; + + private RectF mDrawingRect; + private RectF mColorRect; + + private AlphaPatternDrawable mAlphaPattern; + + + public ColorPanelView(Context context) { + this(context, null); + } + + public ColorPanelView(Context context, AttributeSet attrs) { + this(context, attrs, 0); + } + + public ColorPanelView(Context context, AttributeSet attrs, int defStyle) { + super(context, attrs, defStyle); + + init(); + } + + private void init() { + mBorderPaint = new Paint(); + mColorPaint = new Paint(); + mDensity = getContext().getResources().getDisplayMetrics().density; + } + + + @Override + protected void onDraw(Canvas canvas) { + + final RectF rect = mColorRect; + + if (BORDER_WIDTH_PX > 0) { + mBorderPaint.setColor(mBorderColor); + canvas.drawRect(mDrawingRect, mBorderPaint); + } + + if (mAlphaPattern != null) { + mAlphaPattern.draw(canvas); + } + + mColorPaint.setColor(mColor); + + canvas.drawRect(rect, mColorPaint); + } + + @Override + protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { + + int width = MeasureSpec.getSize(widthMeasureSpec); + int height = MeasureSpec.getSize(heightMeasureSpec); + + setMeasuredDimension(width, height); + } + + @Override + protected void onSizeChanged(int w, int h, int oldw, int oldh) { + super.onSizeChanged(w, h, oldw, oldh); + + mDrawingRect = new RectF(); + mDrawingRect.left = getPaddingLeft(); + mDrawingRect.right = w - getPaddingRight(); + mDrawingRect.top = getPaddingTop(); + mDrawingRect.bottom = h - getPaddingBottom(); + + setUpColorRect(); + + } + + private void setUpColorRect() { + final RectF dRect = mDrawingRect; + + float left = dRect.left + BORDER_WIDTH_PX; + float top = dRect.top + BORDER_WIDTH_PX; + float bottom = dRect.bottom - BORDER_WIDTH_PX; + float right = dRect.right - BORDER_WIDTH_PX; + + mColorRect = new RectF(left,top, right, bottom); + + mAlphaPattern = new AlphaPatternDrawable((int)(5 * mDensity)); + + mAlphaPattern.setBounds(Math.round(mColorRect.left), + Math.round(mColorRect.top), + Math.round(mColorRect.right), + Math.round(mColorRect.bottom)); + + } + + /** + * Set the color that should be shown by this view. + * @param color + */ + public void setColor(int color) { + mColor = color; + invalidate(); + } + + /** + * Get the color currently show by this view. + * @return + */ + public int getColor() { + return mColor; + } + + /** + * Set the color of the border surrounding the panel. + * @param color + */ + public void setBorderColor(int color) { + mBorderColor = color; + invalidate(); + } + + /** + * Get the color of the border surrounding the panel. + */ + public int getBorderColor() { + return mBorderColor; + } + +} |