HImage 转 bitmap
时间: 2023-09-02 14:11:47 浏览: 64
以下是将 HImage 转换为 Bitmap 的示例代码:
```
// 假设已经有一个 HImage 对象 image
Bitmap bitmap = Bitmap.createBitmap(image.getWidth(), image.getHeight(), Bitmap.Config.ARGB_8888);
bitmap.copyPixelsFromBuffer(image.getByteBuffer());
```
相关问题
csharp HImage 转 bitmap
可以使用以下代码将HImage转换为Bitmap:
```csharp
public Bitmap HImageToBitmap(HImage image)
{
IntPtr ptr = image.GetImagePointer1();
int width = image.GetWidth();
int height = image.GetHeight();
Bitmap bitmap = new Bitmap(width, height, PixelFormat.Format8bppIndexed);
BitmapData bitmapData = bitmap.LockBits(new Rectangle(0, 0, width, height), ImageLockMode.WriteOnly, PixelFormat.Format8bppIndexed);
int stride = bitmapData.Stride;
byte[] imageData = new byte[stride * height];
Marshal.Copy(ptr, imageData, 0, imageData.Length);
for (int y = 0; y < height; y++)
{
IntPtr row = bitmapData.Scan0 + (y * stride);
Marshal.Copy(imageData, y * stride, row, stride);
}
bitmap.UnlockBits(bitmapData);
ColorPalette palette = bitmap.Palette;
for (int i = 0; i < palette.Entries.Length; i++)
{
palette.Entries[i] = Color.FromArgb(i, i, i);
}
bitmap.Palette = palette;
return bitmap;
}
```
此代码将HImage转换为8位灰度图像。如果HImage是彩色图像,则需要进行其他操作。
c# bitmap转 himage
要将C#中的Bitmap转换为Himage,可以使用以下两种方案:
方案1:
```csharp
private Himage BitmapToHimage(Bitmap bitmap)
{
Himage himage = new Himage();
IntPtr hBitmap = bitmap.GetHbitmap();
himage.Hobj = new HObject(hBitmap);
return himage;
}
```
方案2:
```csharp
private Himage BitmapToHimage(Bitmap bitmap)
{
Rectangle rect = new Rectangle(0, 0, bitmap.Width, bitmap.Height);
BitmapData bitmapData = bitmap.LockBits(rect, ImageLockMode.ReadOnly, PixelFormat.Format32bppRgb);
Himage himage = new Himage();
himage.GenImageInterleaved(bitmapData.Scan0, "bgrx", bitmap.Width, bitmap.Height, -1, "byte", bitmapData.Stride);
bitmap.UnlockBits(bitmapData);
return himage;
}
```
这两种方案都可以将C#中的Bitmap对象转换为Himage对象,供后续使用。\[1\]\[2\]
#### 引用[.reference_title]
- *1* [C#Bitmap转ImageSource](https://blog.csdn.net/weixin_46616558/article/details/125635785)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v91^control_2,239^v3^insert_chatgpt"}} ] [.reference_item]
- *2* *3* [HImage转换为Bitmap的终极解决方案(C#)彩色三通道图像](https://blog.csdn.net/yutou2016/article/details/115007699)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v91^control_2,239^v3^insert_chatgpt"}} ] [.reference_item]
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