1. ANDROID 中的 2D 繪圖 作者：陳鍾誠

2. ANDROID 架構與 2D 繪圖 SGL: 繪圖引擎 Surface Manager 繪圖管理者

3. 2D 繪圖的相關物件  視覺元件  View : 基本視覺元件  Surface View : 雙重緩衝的 View  繪圖物件  Canvas : 畫布  Bitmap : 圖檔  Paint : 畫筆  執行緒  Thread  Handler

4. View  View : (android.view.View)  2D 繪圖主要函數 onDraw(Canvas canvas)  其他函數 onFinishInflate() onMeasure(int, int) onLayout(boolean, int, int, int, int) onSizeChanged(int, int, int, int) onKeyDown(int, KeyEvent) onKeyUp(int, KeyEvent) onTrackballEvent(MotionEvent) onTouchEvent(MotionEvent) onFocusChanged(boolean, int, Rect) onWindowFocusChanged(boolean) onAttachedToWindow() onDetachedFromWindow() onWindowVisibilityChanged(int) http://developer.android.com/reference/android/view/View.html  內部類別  View.BaseSavedState  View.MeasureSpec  事件  View.OnClickListener  View.OnCreateContextMenuListen er  View.OnFocusChangeListener  View.OnKeyListener  View.OnLongClickListener  View.OnTouchListener

5. Canvas  android.graphics.Canvas  drawARGB(…)  drawArc(…)  drawBitmap(…)  drawBitmapMesh(…)  drawCircle(…)  drawColor(…)  drawLine(…)  drawLines(…)  drawOval(…)  drawPaint(…)  drawPath(…)  drawPicture(…) http://developer.android.com/reference/android/graphics/Canvas.ht ml  drawPoint(…)  drawPoints(…)  drawPosText(…)  drawRect(…)  drawRoundRect(…)  drawText(…)  drawTextOnPath(…)  drawVertices(…)  freeGlCaches(…)  getClipBounds(…)  getDensity()  setBitmap()  setDensity()  setDrawFilter()  clipPath(...)  clipRect(...)  clipRegion(...)  concat(...)  getGL()  getHeight()  getMatrix()  getSaveCount()  getWidth()  isOpaque()  quickReject(  restore()  restoreToCount()  rotate()  save()  saveLayer(  saveLayerAlpha(  scale()  setMatrix()  setViewport()  skew()  translate()

6. Bitmap  android.graphics.Bitmap  compress()  copy()  copyPixelsFromBuffer()  copyPixelsToBuffer()  createBitmap()  createScaledBitmap()  describeContents()  eraseColor()  extractAlpha()  getConfig()  getDensity()  getHeight()  getNinePatchChunk()  getPixel()  getRowBytes()  getScaledHeight()  getScaledWidth()  getWidth()  hasAlpha()  isMutable()  isRecycled()  prepareToDraw()  recycle()  setDensity()  setPixel()  setPixels()  writeToParcel() http://developer.android.com/reference/android/graphics/Bitmap.html

7. Paint  android.graphics.Paint  ascent()  breakText()  clearShadowLayer()  descent()  getAlpha()  getColor()  getColorFilter()  getFillPath()  getFlags()  getFontMetrics()  getFontMetricsInt()  getFontSpacing()  getMaskFilter()  getPathEffect()  getRasterizer()  getShader()  getStrokeCap()  getStrokeJoin()  getStrokeMiter()  getStrokeWidth()  getStyle()  getTextAlign()  getTextBounds()  getTextPath()  getTextScaleX()  getTextSize()  getTextSkewX()  getTextWidths() http://developer.android.com/reference/android/graphics/Paint.html  getTextWidths()  getTypeface()  getXfermode()  isAntiAlias()  isDither()  isFakeBoldText()  isFilterBitmap()  isLinearText()  isStrikeThruText()  isSubpixelText()  isUnderlineText()  measureText()  reset()  set()  setARGB()  setAlpha()  setAntiAlias()  setColor()  setColorFilter()  setDither()  setFakeBoldText()  setFilterBitmap()  setFlags()  setLinearText()  setMaskFilter()  setPathEffect()  setRasterizer()  setShader()  setShadowLayer()  setStrikeThruText()  setStrokeCap()  setStrokeJoin()  setStrokeMiter()  setStrokeWidth()  setStyle()  setSubpixelText()  setTextAlign()  setTextScaleX()  setTextSize()  setTextSkewX()  setTypeface()  setUnderlineText()  setXfermode()

8. 2D 繪圖範例程式

9. 2D 繪圖範例程式 – 原始碼

10. 2D 繪圖範例程式 – 原始碼重點

11. 結語  相關物件  View : 基本視覺元件  Surface View : 雙重緩衝的 View  Canvas : 畫布  Bitmap : 圖檔  Paint : 畫筆  Canvas 的重要函數  drawLine();  drawRect()  drawCircle()  drawText()  drawBitmap()