本文整理匯總了C#中Canvas.drawBitmap方法的典型用法代碼示例。如果您正苦於以下問題：C# Canvas.drawBitmap方法的具體用法？C# Canvas.drawBitmap怎麽用？C# Canvas.drawBitmap使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類Canvas的用法示例。
在下文中一共展示了Canvas.drawBitmap方法的4個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的C#代碼示例。
示例1: onDraw
protected internal override void onDraw(Canvas canvas)
{
canvas.drawCircle(mBounds.centerX(), mBounds.centerY(), mBounds.width() * 0.5f, mPaint);
if (!mMute)
{
if (mIconOn != null)
{
canvas.drawBitmap(mIconOn, mBounds.centerX() - mIconOn.Width * 0.5f, mBounds.centerY() - mIconOn.Height * 0.5f, mPaint);
}
canvas.drawCircle(mBounds.centerX(), mBounds.centerY(), mBounds.width() * 0.5f * mValue, mPaintGradient);
}
else
{
if (mIconOff != null)
{
canvas.drawBitmap(mIconOff, mBounds.centerX() - mIconOff.Width * 0.5f, mBounds.centerY() - mIconOff.Height * 0.5f, mPaint);
}
}
}示例2: onDraw
protected internal override void onDraw(Canvas canvas)
{
float radius = 500 * 0.5f;
canvas.drawCircle(Width, 0, radius, mPaint);
if (!mMute)
{
if (mHeadset != null)
{
canvas.drawBitmap(mHeadset, (Width - mHeadset.Width - 30), mHeadset.Height * 0.3f, mPaint);
}
canvas.drawCircle(Width, 0, radius * mValue, mPaintGradient);
}
}示例3: onDraw
protected internal override void onDraw(Canvas canvas)
{
canvas.drawColor(Color.DKGRAY);
canvas.drawRect(0, 0, mBitmap.Width, mBitmap.Height, paintFromColor(Color.WHITE, Paint.Style.FILL_AND_STROKE));
canvas.drawBitmap(mBitmap, 0, 0, mBitmapPaint);
canvas.drawPath(mPath, mPaint);
}示例4: saveBitmapPNGWithBackgroundColor
/// <summary>
/// Save PNG image with background color
/// </summary>
/// <param name="strFileName">
/// Save file path </param>
/// <param name="bitmap">
/// Input bitmap </param>
/// <param name="nQuality">
/// Jpeg quality for saving </param>
/// <param name="nBackgroundColor">
/// background color </param>
/// <returns> whether success or not </returns>
public static bool saveBitmapPNGWithBackgroundColor(string strFileName, Bitmap bitmap, int nBackgroundColor)
{
bool bSuccess1 = false;
bool bSuccess2 = false;
bool bSuccess3;
File saveFile = new File(strFileName);
if (saveFile.exists())
{
if (!saveFile.delete())
{
return false;
}
}
int nA = (nBackgroundColor >> 24) & 0xff;
// If Background color alpha is 0, Background color substitutes as white
if (nA == 0)
{
nBackgroundColor = unchecked((int)0xFFFFFFFF);
}
Rect rect = new Rect(0, 0, bitmap.Width, bitmap.Height);
Bitmap newBitmap = Bitmap.createBitmap(bitmap.Width, bitmap.Height, Bitmap.Config.ARGB_8888);
Canvas canvas = new Canvas(newBitmap);
canvas.drawColor(nBackgroundColor);
canvas.drawBitmap(bitmap, rect, rect, new Paint());
System.IO.Stream @out = null;
try
{
bSuccess1 = saveFile.createNewFile();
}
catch (IOException e1)
{
// TODO Auto-generated catch block
Console.WriteLine(e1.ToString());
Console.Write(e1.StackTrace);
}
try
{
@out = new System.IO.FileStream(saveFile, System.IO.FileMode.Create, System.IO.FileAccess.Write);
bSuccess2 = newBitmap.compress(Bitmap.CompressFormat.PNG, 100, @out);
}
catch (Exception e)
{
Console.WriteLine(e.ToString());
Console.Write(e.StackTrace);
}
try
{
if (@out != null)
{
@out.Flush();
@out.Close();
bSuccess3 = true;
}
else
{
bSuccess3 = false;
}
}
catch (IOException e)
{
Console.WriteLine(e.ToString());
Console.Write(e.StackTrace);
bSuccess3 = false;
}
finally
{
if (@out != null)
{
try
{
@out.Close();
}
catch (IOException e)
{
// TODO Auto-generated catch block
Console.WriteLine(e.ToString());
Console.Write(e.StackTrace);
}
}
//.........這裏部分代碼省略.........