public Bgra32Image(Bgra32Image rhs)
{
if (rhs == this)
return;
this.imgInfo = rhs.imgInfo;
this.imgPixels = rhs.imgPixels.Clone() as byte[];
}
private void LoadImg(BitmapSource img)
{
/*
* 笔记：
*
* 最开始尝试使用 System.drawing 实现转换为 byte，想了想还是算了（各种转化），这些是当时的资料
* 参考资料：
* [Convert a bitmap into a byte array](http://stackoverflow.com/questions/7350679/convert-a-bitmap-into-a-byte-array?lq=1)
* [System.drawing namespace not found under console application](http://stackoverflow.com/questions/8553136/system-drawing-namespace-not-found-under-console-application)
*
* 最后决定还是直接转换 BitmapImage 到 byte[]
*
* 然后翻了一下这个 [BitmapImage to byte[]](http://stackoverflow.com/questions/6597676/bitmapimage-to-byte)
* （虽然最后并没有用上，但是知道了如何转换 BitmapImage 的格式）
*
* 最后，参考资料：
* [Finding specific pixel colors of a BitmapImage](http://stackoverflow.com/questions/1176910/finding-specific-pixel-colors-of-a-bitmapimage)
* 这里强行把图片换成了 PixelFormats.Bgra32，同时使用 CopyPixels 获取各个像素信息到 byte[] 中，
* 这样就可以交给外部方法处理了。
*/
/* 保存 Bgra32 版本的像素 */
bgraImgSrc = new Bgra32Image(img);
//BgraImgNow = new Bgra32Image(BgraImgSrc);
/* 保存 8bit 灰度图的版本 */
gray8ImgSrc = new Gray8Image(img);
/* 根据图片大小，确定是否实时计算 */
realtimeProcessing = (img.PixelWidth * img.PixelHeight) < (imgWidMax * imgHgtMax);
/* 确定采样的上限值 */
sliderSampling.Maximum = Math.Max(img.PixelWidth, img.PixelHeight);
/* 调整窗口大小 */
ResizeForImg(this.imgSrc);
/* 显示原图像 */
OriginImg(this.imgSrc);
/* 启用 保存 按钮 */
try {
if (ImgFunc.is_loaded())
{
EnbaleComponent();
}
/* 刷新直方图 */
UpdateHistogram();
} catch (Exception e) {
MessageBox.Show(
e.Message,
"加载 ImgFuncLib 时发生错误",
MessageBoxButton.OK,
MessageBoxImage.Error
);
}
}
public Bgra32Image(Bgra32Image rhs)
{
if (rhs == this)
{
return;
}
this.imgInfo = rhs.imgInfo;
this.imgPixels = rhs.imgPixels.Clone() as byte[];
}
private void comboBox_Filter_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (e.Source == comboBox_Filter)
{
switch (comboBox_Filter.SelectedIndex)
{
case 0: { filter_matrix = new double[, ] {
{ 0, -1, 0 },
{ -1, 4, -1 },
{ 0, -1, 0 },
}; break; }
case 1: { filter_matrix = new double[, ] {
{ 1.0 / 9.0, 1.0 / 9.0, 1.0 / 9.0 },
{ 1.0 / 9.0, 1.0 / 9.0, 1.0 / 9.0 },
{ 1.0 / 9.0, 1.0 / 9.0, 1.0 / 9.0 },
}; break; }
case 2: { filter_matrix = new double[, ] {
{ 1 / 10.0, 1 / 10.0, 1 / 10.0 },
{ 1 / 10.0, 2 / 10.0, 1 / 10.0 },
{ 1 / 10.0, 1 / 10.0, 1 / 10.0 },
}; break; }
case 3: { filter_matrix = new double[, ] {
{ 1 / 16.0, 1 / 8.0, 1 / 16.0 },
{ 1 / 8.0, 1 / 4.0, 1 / 8.0 },
{ 1 / 16.0, 1 / 8.0, 1 / 16.0 },
}; break; }
case 4: { filter_matrix = new double[, ] {
{ 0, -1, 0 },
{ -1, 5, -1 },
{ 0, -1, 0 },
}; break; }
case 5: { filter_matrix = new double[, ] {
{ -1, -1, -1 },
{ -1, 9, -1 },
{ -1, -1, -1 },
}; break; }
case 6: { filter_matrix = new double[, ] {
{ 1, -2, 1 },
{ -2, 5, -2 },
{ 1, -2, 1 },
}; break; }
case 7: { filter_matrix = new double[, ] {
{ 0, 0, 0 },
{ -1, 1, 0 },
{ 0, 0, 0 },
}; break; }
case 8: { filter_matrix = new double[, ] {
{ 0, -1, 0 },
{ 0, 1, 0 },
{ 0, 0, 0 },
}; break; }
case 9: { filter_matrix = new double[, ] {
{ -1, 0, 0 },
{ 0, 1, 0 },
{ 0, 0, 0 },
}; break; }
case 10: { filter_matrix = new double[, ] {
{ -1, -1, -1, -1, -1 },
{ 0, 0, 0, 0, 0 },
{ 1, 1, 1, 1, 1 },
}; break; }
case 11: { filter_matrix = new double[, ] {
{ -1, 0, 1 },
{ -1, 0, 1 },
{ -1, 0, 1 },
{ -1, 0, 1 },
{ -1, 0, 1 },
}; break; }
case 12: { filter_matrix = new double[, ] {
{ -1, 0, -1 },
{ 0, 4, 0 },
{ -1, 0, -1 },
}; break; }
case 13: { filter_matrix = new double[, ] {
{ -1, -1, -1 },
{ -1, 8, -1 },
{ -1, -1, -1 },
}; break; }
case 14: { filter_matrix = new double[, ] {
{ -1, -1, -1 },
{ -1, 9, -1 },
{ -1, -1, -1 },
}; break; }
case 15: { filter_matrix = new double[, ] {
{ 1, -2, -1 },
{ -2, 4, -2 },
{ 1, -2, -1 },
}; break; }
default: break;
}
datagrid_FilterMatrix.ItemsSource = ImgFunc.ConvertArray2DToDataTable(filter_matrix).AsDataView();
if (realtimeProcessing)
{
buttonFilterCalc_Click(null, null);
}
}
else if (e.Source == comboBox_FilterOther)
{
BitmapSource img = null;
switch (comboBox_FilterOther.SelectedIndex)
{
case 0: img = new Bgra32Image(this.bgraImgSrc).Filter("median").ToBitmapSource(); break;
case 1: img = new Bgra32Image(this.bgraImgSrc).Filter("roberts").ToBitmapSource(); break;
case 2: img = new Bgra32Image(this.bgraImgSrc).Filter("sobel").ToBitmapSource(); break;
}
if (img != null)
{
this.imageView.Source = this.imgRes = img;
}
}
}
private void LoadImg(BitmapSource img)
{
/*
* 笔记：
*
* 最开始尝试使用 System.drawing 实现转换为 byte，想了想还是算了（各种转化），这些是当时的资料
* 参考资料：
* [Convert a bitmap into a byte array](http://stackoverflow.com/questions/7350679/convert-a-bitmap-into-a-byte-array?lq=1)
* [System.drawing namespace not found under console application](http://stackoverflow.com/questions/8553136/system-drawing-namespace-not-found-under-console-application)
*
* 最后决定还是直接转换 BitmapImage 到 byte[]
*
* 然后翻了一下这个 [BitmapImage to byte[]](http://stackoverflow.com/questions/6597676/bitmapimage-to-byte)
* （虽然最后并没有用上，但是知道了如何转换 BitmapImage 的格式）
*
* 最后，参考资料：
* [Finding specific pixel colors of a BitmapImage](http://stackoverflow.com/questions/1176910/finding-specific-pixel-colors-of-a-bitmapimage)
* 这里强行把图片换成了 PixelFormats.Bgra32，同时使用 CopyPixels 获取各个像素信息到 byte[] 中，
* 这样就可以交给外部方法处理了。
*/
/* 保存 Bgra32 版本的像素 */
bgraImgSrc = new Bgra32Image(img);
//BgraImgNow = new Bgra32Image(BgraImgSrc);
/* 保存 8bit 灰度图的版本 */
gray8ImgSrc = new Gray8Image(img);
/* 根据图片大小，确定是否实时计算 */
realtimeProcessing = (img.PixelWidth * img.PixelHeight) < (imgWidMax * imgHgtMax);
/* 确定采样的上限值 */
sliderSampling.Maximum = Math.Max(img.PixelWidth, img.PixelHeight);
/* 调整窗口大小 */
ResizeForImg(this.imgSrc);
/* 显示原图像 */
OriginImg(this.imgSrc);
/* 启用 保存 按钮 */
try {
if(ImgFunc.is_loaded())
EnbaleComponent();
/* 刷新直方图 */
UpdateHistogram();
} catch(Exception e) {
MessageBox.Show(
e.Message,
"加载 ImgFuncLib 时发生错误",
MessageBoxButton.OK,
MessageBoxImage.Error
);
}
}
private void comboBox_Filter_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if(e.Source == comboBox_Filter) {
switch(comboBox_Filter.SelectedIndex) {
case 0: { filter_matrix = new double[,] {
{ 0, -1, 0 },
{ -1, 4, -1 },
{ 0, -1, 0 },
}; break; }
case 1: { filter_matrix = new double[,] {
{1.0 / 9.0, 1.0 / 9.0, 1.0 / 9.0 },
{1.0 / 9.0, 1.0 / 9.0, 1.0 / 9.0 },
{1.0 / 9.0, 1.0 / 9.0, 1.0 / 9.0 },
}; break; }
case 2: {filter_matrix = new double[,] {
{1 / 10.0, 1 / 10.0, 1 / 10.0 },
{1 / 10.0, 2 / 10.0, 1 / 10.0 },
{1 / 10.0, 1 / 10.0, 1 / 10.0 },
}; break;}
case 3: {filter_matrix = new double[,] {
{1 / 16.0, 1 / 8.0, 1 / 16.0 },
{1 / 8.0, 1 / 4.0, 1 / 8.0 },
{1 / 16.0, 1 / 8.0, 1 / 16.0 },
}; break;}
case 4: {filter_matrix = new double[,] {
{ 0, -1, 0 },
{ -1, 5, -1 },
{ 0, -1, 0 },
}; break;}
case 5: {filter_matrix = new double[,] {
{ -1, -1, -1 },
{ -1, 9, -1 },
{ -1, -1, -1 },
}; break;}
case 6: {filter_matrix = new double[,] {
{ 1, -2, 1 },
{ -2, 5, -2 },
{ 1, -2, 1 },
}; break;}
case 7: {filter_matrix = new double[,] {
{ 0, 0, 0 },
{ -1, 1, 0 },
{ 0, 0, 0 },
}; break;}
case 8: {filter_matrix = new double[,] {
{ 0, -1, 0 },
{ 0, 1, 0 },
{ 0, 0, 0 },
}; break;}
case 9: {filter_matrix = new double[,] {
{ -1, 0, 0 },
{ 0, 1, 0 },
{ 0, 0, 0 },
}; break;}
case 10: {filter_matrix = new double[,] {
{ -1, -1, -1, -1, -1 },
{ 0, 0, 0, 0, 0 },
{ 1, 1, 1, 1, 1 },
}; break;}
case 11: {filter_matrix = new double[,] {
{ -1, 0, 1 },
{ -1, 0, 1 },
{ -1, 0, 1 },
{ -1, 0, 1 },
{ -1, 0, 1 },
}; break;}
case 12: {filter_matrix = new double[,] {
{ -1, 0, -1 },
{ 0, 4, 0 },
{ -1, 0, -1 },
}; break;}
case 13: {filter_matrix = new double[,] {
{ -1, -1, -1 },
{ -1, 8, -1 },
{ -1, -1, -1 },
}; break;}
case 14: {filter_matrix = new double[,] {
{ -1, -1, -1 },
{ -1, 9, -1 },
{ -1, -1, -1 },
}; break;}
case 15: {filter_matrix = new double[,] {
{ 1, -2, -1 },
{ -2, 4, -2 },
{ 1, -2, -1 },
}; break;}
default: break;
}
datagrid_FilterMatrix.ItemsSource = ImgFunc.ConvertArray2DToDataTable(filter_matrix).AsDataView();
if(realtimeProcessing)
buttonFilterCalc_Click(null, null);
} else if(e.Source == comboBox_FilterOther) {
BitmapSource img = null;
switch(comboBox_FilterOther.SelectedIndex) {
case 0: img = new Bgra32Image(this.bgraImgSrc).Filter("median").ToBitmapSource(); break;
case 1: img = new Bgra32Image(this.bgraImgSrc).Filter("roberts").ToBitmapSource(); break;
case 2: img = new Bgra32Image(this.bgraImgSrc).Filter("sobel").ToBitmapSource(); break;
}
if(img != null)
this.imageView.Source = this.imgRes = img;
}
}
