internal static void DrawBackgroundImage(Graphics g, Image backgroundImage, Color backColor, ImageLayout backgroundImageLayout, Rectangle bounds, Rectangle clipRect, Point scrollOffset, bool rightToLeft)
{
if (backgroundImageLayout == ImageLayout.Tile)
{
using (TextureBrush brush1 = new TextureBrush(backgroundImage, WrapMode.Tile))
{
if (scrollOffset != Point.Empty)
{
Matrix matrix1 = brush1.Transform;
matrix1.Translate((float)scrollOffset.X, (float)scrollOffset.Y);
brush1.Transform = matrix1;
}
g.FillRectangle(brush1, clipRect);
return;
}
}
Rectangle rectangle1 = CalculateBackgroundImageRectangle(bounds, backgroundImage, backgroundImageLayout);
if ((rightToLeft == true) && (backgroundImageLayout == ImageLayout.None))
{
rectangle1.X += clipRect.Width - rectangle1.Width;
}
using (SolidBrush brush2 = new SolidBrush(backColor))
{
g.FillRectangle(brush2, clipRect);
}
if (!clipRect.Contains(rectangle1))
{
if ((backgroundImageLayout == ImageLayout.Stretch) || (backgroundImageLayout == ImageLayout.Zoom))
{
rectangle1.Intersect(clipRect);
g.DrawImage(backgroundImage, rectangle1);
}
else if (backgroundImageLayout == ImageLayout.None)
{
rectangle1.Offset(clipRect.Location);
Rectangle rectangle2 = rectangle1;
rectangle2.Intersect(clipRect);
Rectangle rectangle3 = new Rectangle(Point.Empty, rectangle2.Size);
g.DrawImage(backgroundImage, rectangle2, rectangle3.X, rectangle3.Y, rectangle3.Width, rectangle3.Height, GraphicsUnit.Pixel);
}
else
{
Rectangle rectangle4 = rectangle1;
rectangle4.Intersect(clipRect);
Rectangle rectangle5 = new Rectangle(new Point(rectangle4.X - rectangle1.X, rectangle4.Y - rectangle1.Y), rectangle4.Size);
g.DrawImage(backgroundImage, rectangle4, rectangle5.X, rectangle5.Y, rectangle5.Width, rectangle5.Height, GraphicsUnit.Pixel);
}
}
else
{
ImageAttributes attributes1 = new ImageAttributes();
attributes1.SetWrapMode(WrapMode.TileFlipXY);
g.DrawImage(backgroundImage, rectangle1, 0, 0, backgroundImage.Width, backgroundImage.Height, GraphicsUnit.Pixel, attributes1);
attributes1.Dispose();
}
}
public void displayScreenshotOnDevice(Point capturePoint, Screen captureScreen)
{
if (InitOk)
{
// 320x240 default logitech/saitek fip resolution
// resize if size has changed
if (Properties.Settings.Default.CaptureWidth != 320 || Properties.Settings.Default.CaptureHeight != 240)
{
Bitmap captureBitmap = new Bitmap(Properties.Settings.Default.CaptureWidth, Properties.Settings.Default.CaptureHeight, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
Rectangle captureRectangle = captureScreen.Bounds;
Graphics captureGraphics = Graphics.FromImage(captureBitmap);
captureGraphics.CopyFromScreen(capturePoint.X, capturePoint.Y, 0, 0, captureRectangle.Size);
Rectangle resizedRect = new Rectangle(0, 0, 320, 240);
Bitmap resizedBitmap = new Bitmap(320, 240);
resizedBitmap.SetResolution(captureBitmap.HorizontalResolution, captureBitmap.VerticalResolution);
resizedBitmap.SetResolution(320, 240);
Graphics resizedGraphics = Graphics.FromImage(resizedBitmap);
resizedGraphics.CompositingMode = CompositingMode.SourceCopy;
resizedGraphics.CompositingQuality = CompositingQuality.HighQuality;
resizedGraphics.InterpolationMode = InterpolationMode.HighQualityBicubic;
resizedGraphics.SmoothingMode = SmoothingMode.HighQuality;
resizedGraphics.PixelOffsetMode = PixelOffsetMode.HighQuality;
ImageAttributes wrapMode = new ImageAttributes();
wrapMode.SetWrapMode(WrapMode.TileFlipXY);
resizedGraphics.DrawImage(captureBitmap, resizedRect, 0, 0, captureBitmap.Width, captureBitmap.Height, GraphicsUnit.Pixel, wrapMode);
captureBitmap.Dispose();
captureBitmap = new Bitmap(resizedBitmap);
resizedGraphics.Dispose();
captureGraphics.Dispose();
wrapMode.Dispose();
_fipPanels[0].SendImageToFip(0, captureBitmap);
resizedBitmap.Dispose();
captureBitmap.Dispose();
}
else // if default resolution
{
Bitmap captureBitmap = new Bitmap(Properties.Settings.Default.CaptureWidth, Properties.Settings.Default.CaptureHeight, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
Rectangle captureRectangle = captureScreen.Bounds;
Graphics captureGraphics = Graphics.FromImage(captureBitmap);
captureGraphics.CopyFromScreen(capturePoint.X, capturePoint.Y, 0, 0, captureRectangle.Size);
_fipPanels[0].SendImageToFip(0, captureBitmap);
captureGraphics.Dispose();
captureBitmap.Dispose();
}
}
}
/// <summary>
/// 加水印图片
/// </summary>
/// <param name="picture">imge 对象</param>
/// <param name="_width">原始图片的宽度</param>
/// <param name="_height">原始图片的高度.</param>
private void addWatermarkImage(Graphics picture, int _width, int _height, HTProject_Bizlogic.CommonEnum.WaterMarkPosition Pos)
{
if (!System.IO.File.Exists(this.Page.MapPath(this.WatermarkImageUrl)))
{
return;
}
System.Drawing.Image watermark = new Bitmap(this.Page.MapPath(this.WatermarkImageUrl));
ImageAttributes imageAttributes = new ImageAttributes();
ColorMap colorMap = new ColorMap();
colorMap.OldColor = Color.FromArgb(255, 0, 255, 0);
colorMap.NewColor = Color.FromArgb(0, 0, 0, 0);
ColorMap[] remapTable = { colorMap };
imageAttributes.SetRemapTable(remapTable, ColorAdjustType.Bitmap);
float[][] colorMatrixElements =
{
new float[] { 1.0f, 0.0f, 0.0f, 0.0f, 0.0f },
new float[] { 0.0f, 1.0f, 0.0f, 0.0f, 0.0f },
new float[] { 0.0f, 0.0f, 1.0f, 0.0f, 0.0f },
new float[] { 0.0f, 0.0f, 0.0f, 0.3f, 0.0f },
new float[] { 0.0f, 0.0f, 0.0f, 0.0f, 1.0f }
};
ColorMatrix colorMatrix = new ColorMatrix(colorMatrixElements);
imageAttributes.SetColorMatrix(colorMatrix, ColorMatrixFlag.Default, ColorAdjustType.Bitmap);
int xpos = 0;
int ypos = 0;
int WatermarkWidth = 0;
int WatermarkHeight = 0;
double bl = 1d;
WatermarkWidth = watermark.Width; //Convert.ToInt32(_width);
WatermarkHeight = watermark.Height; // Convert.ToInt32(_height);
//picture.DrawImage(watermark, new Rectangle(xpos, ypos, WatermarkWidth, WatermarkHeight), 0, 0, watermark.Width, watermark.Height, GraphicsUnit.Pixel, imageAttributes);
//循环加上水印
for (int y = 0; y < _height; y = y + WatermarkHeight * 2)
{
for (int x = 0; x < _width; x = x + WatermarkWidth * 2)
{
xpos = x;
ypos = y;
picture.DrawImage(watermark, new Rectangle(xpos, ypos, WatermarkWidth, WatermarkHeight), 0, 0, watermark.Width, watermark.Height, GraphicsUnit.Pixel, imageAttributes);
}
}
watermark.Dispose();
imageAttributes.Dispose();
}
/// <summary>
/// 图片水印
/// </summary>
/// <param name="destBitmap"></param>
/// <param name="watermarkBitmap"></param>
/// <param name="currentSettings"></param>
private void PlaceImageWatermark(Bitmap destBitmap, Bitmap watermarkBitmap, WatermarkSettings currentSettings)
{
currentSettings = currentSettings ?? new WatermarkSettings();
using (Graphics g = Graphics.FromImage(destBitmap))
{
Bitmap rotateImage = null;
if (currentSettings.ImageRotatedDegree > 0)
{
rotateImage = GetRotateImage(watermarkBitmap, currentSettings.ImageRotatedDegree);
}
if (rotateImage != null)
{
watermarkBitmap = rotateImage;
}
double watermarkSizeInPercent = (double)currentSettings.PictureSettings.Size / 100;
Size boundingBoxSize = new Size((int)(destBitmap.Width * watermarkSizeInPercent),
(int)(destBitmap.Height * watermarkSizeInPercent));
Size calculatedWatermarkSize = ScaleRectangleToFitBounds(boundingBoxSize, watermarkBitmap.Size);
if (calculatedWatermarkSize.Width == 0 || calculatedWatermarkSize.Height == 0)
{
return;
}
Bitmap scaledWatermarkBitmap =
new Bitmap(calculatedWatermarkSize.Width, calculatedWatermarkSize.Height);
using (Graphics watermarkGraphics = Graphics.FromImage(scaledWatermarkBitmap))
{
ColorMatrix opacityMatrix = new ColorMatrix
{
Matrix33 = (float)currentSettings.PictureSettings.Opacity
};
ImageAttributes attrs = new ImageAttributes();
attrs.SetColorMatrix(opacityMatrix, ColorMatrixFlag.Default, ColorAdjustType.Bitmap);
watermarkGraphics.DrawImage(watermarkBitmap,
new Rectangle(0, 0, scaledWatermarkBitmap.Width, scaledWatermarkBitmap.Height),
0, 0, watermarkBitmap.Width, watermarkBitmap.Height,
GraphicsUnit.Pixel, attrs);
attrs.Dispose();
}
foreach (var position in currentSettings.PictureSettings.PositionList)
{
Point watermarkPosition = CalculateWatermarkPosition(position,
destBitmap.Size, calculatedWatermarkSize);
g.DrawImage(scaledWatermarkBitmap,
new Rectangle(watermarkPosition, calculatedWatermarkSize),
0, 0, calculatedWatermarkSize.Width, calculatedWatermarkSize.Height, GraphicsUnit.Pixel);
}
scaledWatermarkBitmap.Dispose();
}
}
public void DrawImageWithTransparency(Graphics G, float alpha, Image image, Rectangle rect)
{
ColorMatrix colorMatrix = new ColorMatrix {
Matrix33 = alpha
};
ImageAttributes imageAttributes = new ImageAttributes();
imageAttributes.SetColorMatrix(colorMatrix);
G.DrawImage(image, new Rectangle(rect.X, rect.Y, image.Width, image.Height), rect.X, rect.Y, image.Width, image.Height, GraphicsUnit.Pixel, imageAttributes);
imageAttributes.Dispose();
}
public static void DrawTransparentImage(this Graphics g, float alpha, Image image, Rectangle rect)
{
var colorMatrix = new ColorMatrix {
Matrix33 = alpha
};
var imageAttributes = new ImageAttributes();
imageAttributes.SetColorMatrix(colorMatrix);
g.DrawImage(image, new Rectangle(rect.X, rect.Y, image.Width, image.Height), rect.X, rect.Y, image.Width, image.Height, GraphicsUnit.Pixel, imageAttributes);
imageAttributes.Dispose();
}
/// <summary>
/// Releases the unmanaged resources used by the <see cref="T:System.Windows.Forms.TreeView" /> and optionally releases the managed resources.
/// </summary>
/// <param name="disposing">true to release both managed and unmanaged resources; false to release only unmanaged resources.</param>
protected override void Dispose(bool disposing)
{
if (!_disposed)
{
if (disposing)
{
if (_linkAttributes != null)
{
_linkAttributes.Dispose();
_linkAttributes = null;
}
if (_fadeAttributes != null)
{
_fadeAttributes.Dispose();
_fadeAttributes = null;
}
if (_renameBox != null)
{
_renameBox.KeyDown -= _renameBox_KeyDown;
_renameBox.Dispose();
}
if (_selectBrush != null)
{
_selectBrush.Dispose();
}
if (_focusPen != null)
{
_focusPen.Dispose();
}
if (_excludedContent != null)
{
_excludedContent.Dispose();
}
if (_openContent != null)
{
_openContent.Dispose();
}
}
_selectBrush = null;
_focusPen = null;
_excludedContent = null;
_openContent = null;
_disposed = true;
}
base.Dispose(disposing);
}
/// <summary>Draws the image with a custom transparency.</summary>
/// <param name="graphics">The graphics to draw on.</param>
/// <param name="alpha">The alpha.</param>
/// <param name="rectangle">The rectangle.</param>
/// <param name="image">The image.</param>
/// <param name="color">The color.</param>
public static void DrawTransparentImage(Graphics graphics, float alpha, Rectangle rectangle, Image image, Color color)
{
ColorMatrix _colorMatrix = new ColorMatrix {
Matrix33 = alpha
};
ImageAttributes _imageAttributes = new ImageAttributes();
_imageAttributes.SetColorMatrix(_colorMatrix);
graphics.DrawImage(image, new Rectangle(rectangle.X, rectangle.Y, image.Width, image.Height), rectangle.X, rectangle.Y, image.Width, image.Height, GraphicsUnit.Pixel, _imageAttributes);
_imageAttributes.Dispose();
}
public static void DrawRoundedRectangleAlpha(this Graphics gx, Color borderColor, Color backColor, Rectangle rc, Size size, byte transparency)
{
Pen borderPen = new Pen(borderColor);
////Create temp bitmap
//Bitmap tempBitmap = new Bitmap(rc.Width, rc.Height);
//Graphics tempGraphics = Graphics.FromImage(tempBitmap);
//DrawRoundedRect(tempGraphics, borderPen, backColor, new Rectangle(0, 0, rc.Width, rc.Width), size);
//gx.DrawAlpha(tempBitmap, transparency, rc.X, rc.Y);
////Clean up
//borderPen.Dispose();
//tempGraphics.Dispose();
//tempBitmap.Dispose();
// Prepare image for gradient
Bitmap roundedImage = new Bitmap(rc.Width, rc.Height);
// Create temporary graphics
Graphics gxRounded = Graphics.FromImage(roundedImage);
// This is our rectangle
Rectangle roundedRect = new Rectangle(0, 0, rc.Width, rc.Height);
// Draw rounded rect
DrawRoundedRect(gxRounded, borderPen, backColor, new Rectangle(0, 0, rc.Width, rc.Width), size);
// Prepare the copy of the screen graphics
Bitmap tempBitmap = new Bitmap(240, 320);
Graphics tempGx = Graphics.FromImage(tempBitmap);
// Copy from the screen's graphics to the temp graphics
CopyGraphics(gx, tempGx, 240, 320);
// Draw the gradient image with transparency on the temp graphics
tempGx.DrawAlpha(roundedImage, transparency, rc.X, rc.Y);
// Cut out the transparent image
gxRounded.DrawImage(tempBitmap, new Rectangle(0, 0, rc.Width, rc.Height), rc, GraphicsUnit.Pixel);
// Prepare for imposing
roundedRect.Width--;
roundedRect.Height--;
// Impose the rounded rectangle with transparent color
Bitmap borderImage = ImposeRoundedRectangle(roundedRect, borderColor, size);
// Draw the transparent rounded rectangle
ImageAttributes attrib = new ImageAttributes();
attrib.SetColorKey(Color.Green, Color.Green);
gxRounded.DrawImage(borderImage, new Rectangle(0, 0, rc.Width, rc.Height), 0, 0, borderImage.Width, borderImage.Height, GraphicsUnit.Pixel, attrib);
// OK... now are ready to draw the final image on the original graphics
gx.DrawImageTransparent(roundedImage, rc);
// Clean up
attrib.Dispose();
tempGx.Dispose();
tempBitmap.Dispose();
roundedImage.Dispose();
gxRounded.Dispose();
}
/// <summary>
/// 将水印图片叠加到原先的图片中
/// </summary>
/// <param name="gSrcCanvas"></param>
/// <param name="imgWatermark"></param>
/// <param name="watermarkPosition"></param>
/// <param name="width"></param>
/// <param name="height"></param>
private static void AddWatermarkImage(Graphics gSrcCanvas, Image imgWatermark, string watermarkPosition, int width, int height)
{
Image watermark = new Bitmap(imgWatermark);
ImageAttributes imageAttr = new ImageAttributes();
ColorMap colorMap = new ColorMap();
colorMap.OldColor = Color.FromArgb(255, 0, 255, 0);
colorMap.NewColor = Color.FromArgb(0, 0, 0, 0);
ColorMap[] remapTable = { colorMap };
imageAttr.SetRemapTable(remapTable, ColorAdjustType.Bitmap);
float[][] colorMatrixElements =
{
new float[] { 1.0f, 0.0f, 0.0f, 0.0f, 0.0f },
new float[] { 0.0f, 1.0f, 0.0f, 0.0f, 0.0f },
new float[] { 0.0f, 0.0f, 1.0f, 0.0f, 0.0f },
new float[] { 0.0f, 0.0f, 0.0f, 0.3f, 0.0f },
new float[] { 0.0f, 0.0f, 0.0f, 0.0f, 1.0f }
};
ColorMatrix colorMatrix = new ColorMatrix(colorMatrixElements);
imageAttr.SetColorMatrix(colorMatrix, ColorMatrixFlag.Default, ColorAdjustType.Bitmap);
int xpos = 0;
int ypos = 0;
int watermarkWidth = watermark.Width;
int watermarkHeight = watermark.Height;
switch (watermarkPosition)
{
case "WM_TOP_LEFT":
xpos = 10;
ypos = 10;
break;
case "WM_TOP_RIGHT":
xpos = width - watermarkWidth - 10;
ypos = 10;
break;
case "WM_BOTTOM_RIGHT":
xpos = width - watermarkWidth - 10;
ypos = height - watermarkHeight - 10;
break;
case "WM_BOTTOM_LEFT":
xpos = 10;
ypos = height - watermarkHeight - 10;
break;
}
gSrcCanvas.DrawImage(watermark, new Rectangle(xpos, ypos, watermarkWidth, watermarkHeight), 0, 0,
watermark.Width, watermark.Height, GraphicsUnit.Pixel, imageAttr);
gSrcCanvas.Dispose();
watermark.Dispose();
imageAttr.Dispose();
}
/// <summary>
/// 插入水印
/// </summary>
/// <param name="image">image对象</param>
/// <param name="path">路径</param>
/// <param name="Watermark">水印</param>
/// <param name="format">格式</param>
/// <returns></returns>
public static bool InsertWaterMark(Image image, string path, string Watermark, ImageFormat format)
{
if (!File.Exists(Watermark))
{
return(false);
}
//公司logo
Image watermark = new Bitmap(Watermark);
Bitmap b = new Bitmap(image.Width, image.Height, PixelFormat.Format24bppRgb);
ImageAttributes imageAttributes = new ImageAttributes();
try
{
Graphics g = Graphics.FromImage(b);
g.Clear(Color.White);
g.DrawImage(image, 0, 0, image.Width, image.Height);
ColorMap colorMap = new ColorMap();
colorMap.OldColor = Color.FromArgb(255, 0, 255, 0);
colorMap.NewColor = Color.FromArgb(0, 0, 0, 0);
ColorMap[] remapTable = { colorMap };
imageAttributes.SetRemapTable(remapTable, ColorAdjustType.Bitmap);
float[][] colorMatrixElements =
{
new float[] { 1.0f, 0.0f, 0.0f, 0.0f, 0.0f },
new float[] { 0.0f, 1.0f, 0.0f, 0.0f, 0.0f },
new float[] { 0.0f, 0.0f, 1.0f, 0.0f, 0.0f },
new float[] { 0.0f, 0.0f, 0.0f, 0.7f, 0.0f },
new float[] { 0.0f, 0.0f, 0.0f, 0.0f, 1.0f }
};
ColorMatrix colorMatrix = new ColorMatrix(colorMatrixElements);
imageAttributes.SetColorMatrix(colorMatrix, ColorMatrixFlag.Default, ColorAdjustType.Bitmap);
int xpos = 0;
int ypos = 0;
xpos = ((image.Width - watermark.Width) - 10);
ypos = image.Height - watermark.Height - 10;
g.DrawImage(watermark, new Rectangle(xpos, ypos, watermark.Width, watermark.Height), 0, 0, watermark.Width, watermark.Height, GraphicsUnit.Pixel, imageAttributes);
}
catch (Exception ex)
{
throw ex;
}
finally
{
watermark.Dispose();
imageAttributes.Dispose();
image.Dispose();
}
b.Save(path, format);
return(true);
}
/// <summary>
/// Releases the unmanaged resources used by the <see cref="Control"/> and its child controls and optionally releases the managed resources.
/// </summary>
/// <param name="disposing"><c>true</c> to release both managed and unmanaged resources; <c>false</c> to release only unmanaged resources.</param>
protected override void Dispose(bool disposing)
{
if (disposing)
{
if (_imageAttributes != null)
{
_imageAttributes.Dispose();
}
}
base.Dispose(disposing);
}
private void PaintIcon(Graphics g, Bitmap bmp, Rectangle bounds, Color foreColor)
{
Rectangle destRect = new Rectangle(base.DataGridView.RightToLeftInternal ? ((bounds.Right - 3) - 12) : (bounds.Left + 3), bounds.Y + ((bounds.Height - 11) / 2), 12, 11);
colorMap[0].NewColor = foreColor;
colorMap[0].OldColor = Color.Black;
ImageAttributes imageAttr = new ImageAttributes();
imageAttr.SetRemapTable(colorMap, ColorAdjustType.Bitmap);
g.DrawImage(bmp, destRect, 0, 0, 12, 11, GraphicsUnit.Pixel, imageAttr);
imageAttr.Dispose();
}
private event PaintEventHandler _CustomPaint; // base.OnPaint interferes with our custom painting; mimic it to allow others in on the fun.
/// <summary>
/// Releases the unmanaged resources used by the <see cref="ButtonExt"/> and optionally releases the managed
/// resources.
/// </summary>
/// <param name="disposing"><c>true</c> to release both managed and unmanaged resources; <c>false</c> to
/// release only unmanaged resources.</param>
protected override void Dispose(bool disposing)
{
if (disposing)
{
DrawnImageAttributesDisabled?.Dispose();
DrawnImageAttributesEnabled?.Dispose();
}
_CustomPaint = null;
DrawnImageAttributesDisabled = null;
DrawnImageAttributesEnabled = null;
base.Dispose(disposing);
}
// takes an image and replaces all the pixels of oldColor with newColor, drawing the new image into the rectangle on
// the supplied Graphics object.
internal static void DrawImageReplaceColor(Graphics g, Image image, Rectangle dest, Color oldColor, Color newColor)
{
ImageAttributes attrs = new ImageAttributes();
ColorMap cm = new ColorMap {
OldColor = oldColor,
NewColor = newColor
};
attrs.SetRemapTable(new ColorMap[] { cm }, ColorAdjustType.Bitmap);
g.DrawImage(image, dest, 0, 0, image.Width, image.Height, GraphicsUnit.Pixel, attrs, null, IntPtr.Zero);
attrs.Dispose();
}
/// <summary>
/// On draw backbuffer
/// </summary>
protected override void OnDrawOnBackbuffer(ref System.Drawing.Graphics gfx)
{
// If the color matrix is empty, create it
if (_cm == null)
{
_cm = new ColorMatrix(new float[][] {
new float[] { 1.0f, 0.0f, 0.0f, 0.0f, 0.0f },
new float[] { 0.0f, 1.0f, 0.0f, 0.0f, 0.0f },
new float[] { 0.0f, 0.0f, 1.0f, 0.0f, 0.0f },
new float[] { 0.0f, 0.0f, 0.0f, 0.5f, 0.0f },
new float[] { 0.0f, 0.0f, 0.0f, 0.0f, 1.0f }
});
}
// Create new image attributes
ImageAttributes ia = new ImageAttributes();
ia.SetColorMatrix(_cm);
// Get tile size
Size tileSize = _background.TileSize;
tileSize.Width += 1;
tileSize.Height += 1;
// Iterate through instances
foreach (GMareInstance inst in App.Room.Blocks)
{
// Get the object associated with this instance
GMareObject obj = App.Room.Objects.Find(delegate(GMareObject o) { return(o.Resource.Id == inst.ObjectId); });
// If no object was found, continue
if (obj == null)
{
continue;
}
// Get drawing point
Point point = GMareBrush.TileIdToSourcePosition(inst.TileId, Image.Width, tileSize);
point.X += 1;
point.Y += 1;
Bitmap image = obj.Image.ToBitmap();
// Draw glyph
gfx.DrawImage(image, new Rectangle(point.X, point.Y, obj.Image.Width, obj.Image.Height), 0, 0, obj.Image.Width, obj.Image.Height, GraphicsUnit.Pixel, ia);
image.Dispose();
}
// Dispose.
ia.Dispose();
}
public void End()
{
if (!IsActive)
{
throw new InvalidOperationException("GuiRenderer is not active!");
}
IsActive = false;
if (CurrentImageAttributes != null)
{
CurrentImageAttributes.Dispose();
CurrentImageAttributes = null;
}
}
private void brightnessCorrectionToolStripMenuItem_Click(object sender, EventArgs e)
{
float brightness = 45;
if (brightnessCorrectionToolStripMenuItem.Checked)
{
Bitmap TempBitmap = new Bitmap(Image2.Image);
float FinalValue = -brightness / 255.0f;
Bitmap NewBitmap = new Bitmap(TempBitmap.Width, TempBitmap.Height);
Graphics NewGraphics = Graphics.FromImage(NewBitmap);
float[][] FloatColorMatrix =
{
new float[] { 1, 0, 0, 0, 0 },
new float[] { 0, 1, 0, 0, 0 },
new float[] { 0, 0, 1, 0, 0 },
new float[] { 0, 0, 0, 1, 0 },
new float[] { FinalValue, FinalValue, FinalValue, 1, 1 }
};
ColorMatrix NewColorMatrix = new ColorMatrix(FloatColorMatrix);
ImageAttributes Attributes = new ImageAttributes();
Attributes.SetColorMatrix(NewColorMatrix);
NewGraphics.DrawImage(TempBitmap, new Rectangle(0, 0, TempBitmap.Width, TempBitmap.Height), 0, 0, TempBitmap.Width, TempBitmap.Height, GraphicsUnit.Pixel, Attributes);
Attributes.Dispose();
NewGraphics.Dispose();
Image2.Image = NewBitmap;
}
else
{
Bitmap TempBitmap = new Bitmap(Image2.Image);
float FinalValue = brightness / 255.0f;
Bitmap NewBitmap = new Bitmap(TempBitmap.Width, TempBitmap.Height);
Graphics NewGraphics = Graphics.FromImage(NewBitmap);
float[][] FloatColorMatrix =
{
new float[] { 1, 0, 0, 0, 0 },
new float[] { 0, 1, 0, 0, 0 },
new float[] { 0, 0, 1, 0, 0 },
new float[] { 0, 0, 0, 1, 0 },
new float[] { FinalValue, FinalValue, FinalValue, 1, 1 }
};
ColorMatrix NewColorMatrix = new ColorMatrix(FloatColorMatrix);
ImageAttributes Attributes = new ImageAttributes();
Attributes.SetColorMatrix(NewColorMatrix);
NewGraphics.DrawImage(TempBitmap, new Rectangle(0, 0, TempBitmap.Width, TempBitmap.Height), 0, 0, TempBitmap.Width, TempBitmap.Height, GraphicsUnit.Pixel, Attributes);
Attributes.Dispose();
NewGraphics.Dispose();
Image2.Image = NewBitmap;
}
}
public static void AdjustBrightnessMatrix(Bitmap img, float value)
{
if (value == 0) // No change, so just return
{
return;
}
float sb = (float)value / 255F;
float[][] colorMatrixElements =
{
new float[] { 1, 0, 0, 0, 0 },
new float[] { 0, 1, 0, 0, 0 },
new float[] { 0, 0, 1, 0, 0 },
new float[] { 0, 0, 0, 1, 0 },
new float[] { sb, sb, sb, 1, 1 }
};
ColorMatrix cm = new ColorMatrix(colorMatrixElements);
ImageAttributes imgattr = new ImageAttributes();
Rectangle rc = new Rectangle(0, 0, img.Width, img.Height);
Graphics g = Graphics.FromImage(img);
g.InterpolationMode = InterpolationMode.HighQualityBicubic;
imgattr.SetColorMatrix(cm);
g.DrawImage(img, rc, 0, 0, img.Width, img.Height, GraphicsUnit.Pixel, imgattr);
//Clean everything up
imgattr.Dispose();
g.Dispose();
}
//Aplica imaginii efectul de Polaroid;
private void AplicaOldImage()
{
int width = imageNew.Width;
int height = imageNew.Height;
image2.Dispose();
image2 = new Bitmap(width, height);
ImageAttributes imageAtr = new ImageAttributes();
float[][] colorMatrixElements =
{
new float[] { 0.3f, 0.3f, 0.3f, 0, 0 },
new float[] { 0.55f, 0.55f, 0.55f, 0, 0 },
new float[] { 0.130f, 0.130f, 0.130f, 0, 0 },
new float[] { 0, 0, 0, 1, 0 },
new float[] { 0.2f, 0.2f, 0.2f, 0, 1 }
};
ColorMatrix colorMatrix = new ColorMatrix(colorMatrixElements);
imageAtr.SetColorMatrix(colorMatrix, ColorMatrixFlag.Default, ColorAdjustType.Bitmap);
Graphics G = Graphics.FromImage(image2);
G.DrawImage(imageNew, new Rectangle(0, 0, width, height), 0, 0, width, height, GraphicsUnit.Pixel, imageAtr);
imageAtr.Dispose();
G.Dispose();
image3.Dispose();
image3 = new Bitmap(EditorPoze.Properties.Resources.OldPaper, width, height);
imageAtr = new ImageAttributes();
float[][] colorMatrixElements2 =
{
new float[] { 1, 0, 0, 0, 0 },
new float[] { 0, 1, 0, 0, 0 },
new float[] { 0, 0, 1, 0, 0 },
new float[] { 0, 0, 0, 0.4f, 0 },
new float[] { -0.1f, -0.1f, -0.1f, 0, 1 }
};
ColorMatrix colorMatrix2 = new ColorMatrix(colorMatrixElements2);
imageAtr.SetColorMatrix(colorMatrix2, ColorMatrixFlag.Default, ColorAdjustType.Bitmap);
G = Graphics.FromImage(image2);
G.DrawImage(image3, new Rectangle(0, 0, width, height), 0, 0, width, height, GraphicsUnit.Pixel, imageAtr);
imageAtr.Dispose();
G.Dispose();
}
/// <summary>
/// This gets called to instruct the element to draw itself in the appropriate spot of the graphics object
/// </summary>
/// <param name="g">The graphics object to draw to</param>
/// <param name="printing">Boolean, true if this is being drawn to a print document</param>
public override void Draw(Graphics g, bool printing)
{
if (_bitmap == null)
{
return;
}
//This color matrix is used to adjust how the image is drawn to the graphics object
var bright = _brightness / 255.0F;
var cont = (_contrast + 255.0F) / 255.0F;
float[][] colorArray =
{
new[] { cont, 0, 0, 0, 0 },
new[] { 0, cont, 0, 0, 0 },
new[] { 0, 0, cont, 0, 0 },
new float[] { 0, 0, 0, 1, 0 },
new[] { bright, bright, bright, 0, 1 }
};
var cm = new ColorMatrix(colorArray);
var imgAttrib = new ImageAttributes();
imgAttrib.SetColorMatrix(cm);
//Defines a parallelgram where the image is to be drawn
var destPoints = new[]
{
LocationF,
new PointF(LocationF.X + Size.Width, LocationF.Y),
new PointF(LocationF.X, LocationF.Y + Size.Height)
};
var destSize = _bitmap.Size;
if (_preserveAspectRatio)
{
if ((Size.Width / destSize.Width) < (Size.Height / destSize.Height))
{
destPoints[2] = new PointF(LocationF.X, LocationF.Y + (Size.Width * destSize.Height / destSize.Width));
}
else
{
destPoints[1] = new PointF(LocationF.X + (Size.Height * destSize.Width / destSize.Height), LocationF.Y);
}
}
var srcRect = new Rectangle(0, 0, _bitmap.Width, _bitmap.Height);
g.DrawImage(_bitmap, destPoints, srcRect, GraphicsUnit.Pixel, imgAttrib);
imgAttrib.Dispose();
}
Bitmap TransformColor(Bitmap source, ColorMatrix matrix)
{
ImageAttributes imageAttributes = new ImageAttributes();
imageAttributes.SetColorMatrix(matrix, ColorMatrixFlag.Default, ColorAdjustType.Bitmap);
Graphics g = Graphics.FromImage(source);
g.DrawImage(source, new System.Drawing.Rectangle(0, 0, source.Width, source.Height), 0, 0,
source.Width, source.Height, GraphicsUnit.Pixel, imageAttributes);
g.Dispose();
imageAttributes.Dispose();
return(source);
}
//调整图片的gamma
public static void AdjustGamma(ref Bitmap image, int percent)
{
ImageAttributes attr = new ImageAttributes();
try
{
attr.SetGamma(GetGamma(percent));
DrawImage(ref image, attr);
}
finally
{
attr.Dispose();
}
}
public void Contrast(PictureBox control)
{
float _contrastFactor = 0.04F * 28;
control.Image = new Bitmap(source);
Graphics g = Graphics.FromImage(control.Image);
ImageAttributes IA = new ImageAttributes();
ColorMatrix filterMatrix = new ColorMatrix(new float[][] { new float[] { _contrastFactor, 0f, 0f, 0f, 0f }, new float[] { 0f, _contrastFactor, 0f, 0f, 0f }, new float[] { 0f, 0f, _contrastFactor, 0f, 0f }, new float[] { 0f, 0f, 0f, 1f, 0f }, new float[] { 0.001f, 0.001f, 0.001f, 0f, 1f } });
IA.SetColorMatrix(filterMatrix);
g.DrawImage(control.Image, new Rectangle(0, 0, control.Image.Width, control.Image.Height), 0, 0, control.Image.Width, control.Image.Height, GraphicsUnit.Pixel, IA);
g.Dispose();
IA.Dispose();
}
public Bitmap GammaController(Bitmap myBitMap, float value)
{
float gamma = 0.04f * value;
Bitmap newBitmap = new Bitmap(myBitMap.Width, myBitMap.Height);
Graphics g = Graphics.FromImage(newBitmap);
ImageAttributes ia = new ImageAttributes();
ia.SetGamma(gamma);
g.DrawImage(myBitMap, new Rectangle(0, 0, myBitMap.Width, myBitMap.Height),
0, 0, myBitMap.Width, myBitMap.Height, GraphicsUnit.Pixel, ia);
g.Dispose();
ia.Dispose();
return(newBitmap);
}
private void PaintBitmap(Graphics g, Bitmap b, Rectangle bounds)
{
int x = bounds.X + ((bounds.Width - b.Width) / 2);
int y = bounds.Y + ((bounds.Height - b.Height) / 2);
Rectangle rect = new Rectangle(x, y, b.Width, b.Height);
g.FillRectangle(this.BackBrush, rect);
ImageAttributes imageAttr = new ImageAttributes();
this.colorMap[0].NewColor = this.ForeColor;
imageAttr.SetRemapTable(this.colorMap, ColorAdjustType.Bitmap);
g.DrawImage(b, rect, 0, 0, rect.Width, rect.Height, GraphicsUnit.Pixel, imageAttr);
imageAttr.Dispose();
}
/// <summary>
/// Draws the background image.
/// </summary>
/// <param name="g">The g.</param>
/// <param name="backgroundImage">The background image.</param>
/// <param name="backColor">Color of the back.</param>
/// <param name="backgroundImageLayout">The background image layout.</param>
/// <param name="bounds">The bounds.</param>
/// <param name="clipRect">The clip rect.</param>
/// <param name="scrollOffset">The scroll offset.</param>
/// <param name="rightToLeft">The right to left.</param>
/// <exception cref="System.ArgumentNullException">g</exception>
public static void DrawBackgroundImage(Graphics g, Image backgroundImage, Color backColor, ImageLayout backgroundImageLayout, Rectangle bounds, Rectangle clipRect, Point scrollOffset, RightToLeft rightToLeft)
{
if (g == null) {
throw new ArgumentNullException(nameof(g));
}
if (backgroundImageLayout == ImageLayout.Tile) {
using (TextureBrush textureBrush = new TextureBrush(backgroundImage, WrapMode.Tile)) {
if (scrollOffset != Point.Empty) {
Matrix transform = textureBrush.Transform;
transform.Translate((float)scrollOffset.X, (float)scrollOffset.Y);
textureBrush.Transform = transform;
}
g.FillRectangle(textureBrush, clipRect);
return;
}
}
Rectangle rectangle = ControlPaintWrapper.CalculateBackgroundImageRectangle(bounds, backgroundImage, backgroundImageLayout);
if (rightToLeft == RightToLeft.Yes && backgroundImageLayout == ImageLayout.None) {
rectangle.X += clipRect.Width - rectangle.Width;
}
using (SolidBrush solidBrush = new SolidBrush(backColor)) {
g.FillRectangle(solidBrush, clipRect);
}
if (!clipRect.Contains(rectangle)) {
if (backgroundImageLayout == ImageLayout.Stretch || backgroundImageLayout == ImageLayout.Zoom) {
rectangle.Intersect(clipRect);
g.DrawImage(backgroundImage, rectangle);
return;
}
if (backgroundImageLayout == ImageLayout.None) {
rectangle.Offset(clipRect.Location);
Rectangle destRect = rectangle;
destRect.Intersect(clipRect);
Rectangle rectangle2 = new Rectangle(Point.Empty, destRect.Size);
g.DrawImage(backgroundImage, destRect, rectangle2.X, rectangle2.Y, rectangle2.Width, rectangle2.Height, GraphicsUnit.Pixel);
return;
}
Rectangle destRect2 = rectangle;
destRect2.Intersect(clipRect);
Rectangle rectangle3 = new Rectangle(new Point(destRect2.X - rectangle.X, destRect2.Y - rectangle.Y), destRect2.Size);
g.DrawImage(backgroundImage, destRect2, rectangle3.X, rectangle3.Y, rectangle3.Width, rectangle3.Height, GraphicsUnit.Pixel);
return;
}
else {
ImageAttributes imageAttributes = new ImageAttributes();
imageAttributes.SetWrapMode(WrapMode.TileFlipXY);
g.DrawImage(backgroundImage, rectangle, 0, 0, backgroundImage.Width, backgroundImage.Height, GraphicsUnit.Pixel, imageAttributes);
imageAttributes.Dispose();
}
}
public override void Dispose()
{
if (_bitmap != null)
{
_bitmap.Dispose();
_bitmap = null;
}
if (_ia != null)
{
_ia.Dispose();
_ia = null;
}
base.Dispose();
}
/// <summary>
/// 加水印图片
/// </summary>
/// <param name="picture">imge 对象</param>
/// <param name="WaterMarkPicPath">水印图片的地址</param>
public static void addWatermarkImage(Image _Image, string WaterMarkPicPath)
{
try
{
Graphics picture = Graphics.FromImage(_Image);
Image watermark = new Bitmap(WaterMarkPicPath);
int _width = _Image.Width;
int _height = _Image.Height;
ImageAttributes imageAttributes = new ImageAttributes();
ColorMap colorMap = new ColorMap();
colorMap.OldColor = Color.FromArgb(255, 0, 255, 0);
colorMap.NewColor = Color.FromArgb(0, 0, 0, 0);
ColorMap[] remapTable = { colorMap };
imageAttributes.SetRemapTable(remapTable, ColorAdjustType.Bitmap);
float[][] colorMatrixElements =
{
new float[] { 1.0f, 0.0f, 0.0f, 0.0f, 0.0f },
new float[] { 0.0f, 1.0f, 0.0f, 0.0f, 0.0f },
new float[] { 0.0f, 0.0f, 1.0f, 0.0f, 0.0f },
new float[] { 0.0f, 0.0f, 0.0f, 0.1f, 0.0f },
new float[] { 0.0f, 0.0f, 0.0f, 0.0f, 1.0f }
};
ColorMatrix colorMatrix = new ColorMatrix(colorMatrixElements);
imageAttributes.SetColorMatrix(colorMatrix, ColorMatrixFlag.Default, ColorAdjustType.Bitmap);
//imageAttributes.SetColorKey(System.Drawing.Color.Black, System.Drawing.Color.Black, ColorAdjustType.Bitmap);
int xpos = 0;
int ypos = 0;
int WatermarkWidth = 0;
int WatermarkHeight = 0;
//double bl = 1d;
WatermarkWidth = _width;
WatermarkHeight = _height;
xpos = 0;
ypos = 0;
picture.DrawImage(watermark, new Rectangle(xpos, ypos, WatermarkWidth, WatermarkHeight), 0, 0, watermark.Width, watermark.Height, GraphicsUnit.Pixel, imageAttributes);
_Image = watermark;
watermark.Dispose();
imageAttributes.Dispose();
}
catch { }
}
public override void Dispose()
{
if (_drawing != null)
{
_drawing.Dispose();
_drawing = null;
}
if (_ia != null)
{
_ia.Dispose();
_ia = null;
}
base.Dispose();
_canvas = null;
}
public static void ProcessImageColorMatrix (string sin, string sout, ColorMatrix colorMatrix)
{
Bitmap bmp_in = new Bitmap (sin);
Bitmap bmp_out = new Bitmap (bmp_in.Width, bmp_in.Height, bmp_in.PixelFormat);
Graphics gr = Graphics.FromImage (bmp_out);
ImageAttributes imageAttr = new ImageAttributes ();
imageAttr.SetColorMatrix (colorMatrix);
gr.DrawImage (bmp_in, new Rectangle (0, 0, bmp_out.Width, bmp_out.Height),
0,0, bmp_out.Width, bmp_out.Height, GraphicsUnit.Pixel, imageAttr);
imageAttr.Dispose ();
bmp_out.Save (sout);
bmp_in.Dispose ();
bmp_out.Dispose ();
Console.WriteLine ("Saving image file {0}", sout);
}
/// <summary>
/// 加水印图片
/// </summary>
/// <param name="picture">imge 对象</param>
/// <param name="iTheImage">Image对象（以此图片为水印）</param>
/// <param name="_watermarkPosition">水印位置</param>
/// <param name="_width">被加水印图片的宽</param>
/// <param name="_height">被加水印图片的高</param>
private void addWatermarkImage(Graphics picture, Image iTheImage,
string _watermarkPosition, int _width, int _height)
{
Image watermark = new Bitmap(iTheImage);
var imageAttributes = new ImageAttributes();
var colorMap = new ColorMap();
colorMap.OldColor = Color.FromArgb(255, 0, 255, 0);
colorMap.NewColor = Color.FromArgb(0, 0, 0, 0);
ColorMap[] remapTable = { colorMap };
imageAttributes.SetRemapTable(remapTable, ColorAdjustType.Bitmap);
float[][] colorMatrixElements = {
new float[] {1.0f, 0.0f, 0.0f, 0.0f, 0.0f},
new float[] {0.0f, 1.0f, 0.0f, 0.0f, 0.0f},
new float[] {0.0f, 0.0f, 1.0f, 0.0f, 0.0f},
new float[] {0.0f, 0.0f, 0.0f, 0.3f, 0.0f},
new float[] {0.0f, 0.0f, 0.0f, 0.0f, 1.0f}
};
var colorMatrix = new ColorMatrix(colorMatrixElements);
imageAttributes.SetColorMatrix(colorMatrix, ColorMatrixFlag.Default, ColorAdjustType.Bitmap);
var xpos = 0;
var ypos = 0;
var WatermarkWidth = 0;
var WatermarkHeight = 0;
var bl = 1d;
//计算水印图片的比率
//取背景的1/4宽度来比较
if ((_width > watermark.Width * 4) && (_height > watermark.Height * 4))
{
bl = 1;
}
else if ((_width > watermark.Width * 4) && (_height < watermark.Height * 4))
{
bl = Convert.ToDouble(_height / 4) / Convert.ToDouble(watermark.Height);
}
else if ((_width < watermark.Width * 4) && (_height > watermark.Height * 4))
{
bl = Convert.ToDouble(_width / 4) / Convert.ToDouble(watermark.Width);
}
else
{
if ((_width * watermark.Height) > (_height * watermark.Width))
{
bl = Convert.ToDouble(_height / 4) / Convert.ToDouble(watermark.Height);
}
else
{
bl = Convert.ToDouble(_width / 4) / Convert.ToDouble(watermark.Width);
}
}
WatermarkWidth = Convert.ToInt32(watermark.Width * bl);
WatermarkHeight = Convert.ToInt32(watermark.Height * bl);
switch (_watermarkPosition)
{
case "WM_TOP_LEFT":
xpos = 10;
ypos = 10;
break;
case "WM_TOP_RIGHT":
xpos = _width - WatermarkWidth - 10;
ypos = 10;
break;
case "WM_BOTTOM_RIGHT":
xpos = _width - WatermarkWidth - 10;
ypos = _height - WatermarkHeight - 10;
break;
case "WM_BOTTOM_LEFT":
xpos = 10;
ypos = _height - WatermarkHeight - 10;
break;
}
picture.DrawImage(
watermark,
new Rectangle(xpos, ypos, WatermarkWidth, WatermarkHeight),
0,
0,
watermark.Width,
watermark.Height,
GraphicsUnit.Pixel,
imageAttributes);
watermark.Dispose();
imageAttributes.Dispose();
}
/// <summary>
/// 图片水印
/// </summary>
/// <param name="imgPath">服务器图片相对路径</param>
/// <param name="filename">保存文件名</param>
/// <param name="watermarkFilename">水印文件相对路径</param>
/// <param name="watermarkStatus">图片水印位置 0=不使用 1=左上 2=中上 3=右上 4=左中 9=右下</param>
/// <param name="quality">附加水印图片质量,0-100</param>
/// <param name="watermarkTransparency">水印的透明度 1--10 10为不透明</param>
public static void AddImageSignPic(string imgPath, string filename, string watermarkFilename, int watermarkStatus, int quality, int watermarkTransparency)
{
byte[] _ImageBytes = File.ReadAllBytes(Utils.GetMapPath(imgPath));
Image img = Image.FromStream(new System.IO.MemoryStream(_ImageBytes));
filename = HttpContext.Current.Server.MapPath(filename);
if (watermarkFilename.StartsWith("/") == false)
watermarkFilename = "/" + watermarkFilename;
watermarkFilename = Utils.GetMapPath(watermarkFilename);
if (!File.Exists(watermarkFilename))
return;
Graphics g = Graphics.FromImage(img);
//设置高质量插值法
//g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.High;
//设置高质量,低速度呈现平滑程度
//g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
Image watermark = new Bitmap(watermarkFilename);
if (watermark.Height >= img.Height || watermark.Width >= img.Width)
return;
ImageAttributes imageAttributes = new ImageAttributes();
ColorMap colorMap = new ColorMap();
colorMap.OldColor = Color.FromArgb(255, 0, 255, 0);
colorMap.NewColor = Color.FromArgb(0, 0, 0, 0);
ColorMap[] remapTable = { colorMap };
imageAttributes.SetRemapTable(remapTable, ColorAdjustType.Bitmap);
float transparency = 0.5F;
if (watermarkTransparency >= 1 && watermarkTransparency <= 10)
transparency = (watermarkTransparency / 10.0F);
float[][] colorMatrixElements = {
new float[] {1.0f, 0.0f, 0.0f, 0.0f, 0.0f},
new float[] {0.0f, 1.0f, 0.0f, 0.0f, 0.0f},
new float[] {0.0f, 0.0f, 1.0f, 0.0f, 0.0f},
new float[] {0.0f, 0.0f, 0.0f, transparency, 0.0f},
new float[] {0.0f, 0.0f, 0.0f, 0.0f, 1.0f}
};
ColorMatrix colorMatrix = new ColorMatrix(colorMatrixElements);
imageAttributes.SetColorMatrix(colorMatrix, ColorMatrixFlag.Default, ColorAdjustType.Bitmap);
int xpos = 0;
int ypos = 0;
switch (watermarkStatus)
{
case 1:
xpos = (int)(img.Width * (float).01);
ypos = (int)(img.Height * (float).01);
break;
case 2:
xpos = (int)((img.Width * (float).50) - (watermark.Width / 2));
ypos = (int)(img.Height * (float).01);
break;
case 3:
xpos = (int)((img.Width * (float).99) - (watermark.Width));
ypos = (int)(img.Height * (float).01);
break;
case 4:
xpos = (int)(img.Width * (float).01);
ypos = (int)((img.Height * (float).50) - (watermark.Height / 2));
break;
case 5:
xpos = (int)((img.Width * (float).50) - (watermark.Width / 2));
ypos = (int)((img.Height * (float).50) - (watermark.Height / 2));
break;
case 6:
xpos = (int)((img.Width * (float).99) - (watermark.Width));
ypos = (int)((img.Height * (float).50) - (watermark.Height / 2));
break;
case 7:
xpos = (int)(img.Width * (float).01);
ypos = (int)((img.Height * (float).99) - watermark.Height);
break;
case 8:
xpos = (int)((img.Width * (float).50) - (watermark.Width / 2));
ypos = (int)((img.Height * (float).99) - watermark.Height);
break;
case 9:
xpos = (int)((img.Width * (float).99) - (watermark.Width));
ypos = (int)((img.Height * (float).99) - watermark.Height);
break;
}
g.DrawImage(watermark, new Rectangle(xpos, ypos, watermark.Width, watermark.Height), 0, 0, watermark.Width, watermark.Height, GraphicsUnit.Pixel, imageAttributes);
ImageCodecInfo[] codecs = ImageCodecInfo.GetImageEncoders();
ImageCodecInfo ici = null;
foreach (ImageCodecInfo codec in codecs)
{
if (codec.MimeType.IndexOf("jpeg") > -1)
ici = codec;
}
EncoderParameters encoderParams = new EncoderParameters();
long[] qualityParam = new long[1];
if (quality < 0 || quality > 100)
quality = 80;
qualityParam[0] = quality;
EncoderParameter encoderParam = new EncoderParameter(System.Drawing.Imaging.Encoder.Quality, qualityParam);
encoderParams.Param[0] = encoderParam;
if (ici != null)
img.Save(filename, ici, encoderParams);
else
img.Save(filename);
g.Dispose();
img.Dispose();
watermark.Dispose();
imageAttributes.Dispose();
}
/// <summary>
/// 加图片水印
/// </summary>
/// <param name="imgPath">原图文件名物理路径</param>
/// <param name="filename">生成文件名物理路径</param>
/// <param name="watermarkFilename">水印文件名物理路径</param>
/// <param name="positon">图片水印位置 0=不使用 1=左上 2=中上 3=右上 4=左中 ... 9=右下</param>
/// <param name="quality">附加图片质量，0--100之间，值大质量高</param>
/// <param name="watermarkTransparency">水印的透明度 1--100 100为不透明</param>
public static bool AddImageSignPic(string imgPath, string filename, string watermarkFilename, Enums.Position positon, int quality, int watermarkTransparency, int minWidth, int minHeight)
{
using (Bitmap img = new Bitmap(imgPath))
{
Graphics g ;
//如果原图片是索引像素格式之列的，则需要转换
if (IsPixelFormatIndexed(img.PixelFormat))
{
using (Bitmap bmp = new Bitmap(img.Width, img.Height, PixelFormat.Format32bppArgb))
{
g = Graphics.FromImage(bmp);
g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
g.CompositingQuality = System.Drawing.Drawing2D.CompositingQuality.HighQuality;
g.DrawImage(img, 0, 0);
}
}
else
{
g = Graphics.FromImage(img);
//设置高质量插值法
g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.High;
//设置高质量,低速度呈现平滑程度
g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
}
int watermarkStatus = (int)positon;
using (System.Drawing.Image watermark = new Bitmap(watermarkFilename))
{
if (watermark.Height >= img.Height || watermark.Width >= img.Width)
{
return false;
}
if (img.Width < minWidth || img.Height < minHeight)
{
return false;
}
using (ImageAttributes imageAttributes = new ImageAttributes())
{
ColorMap colorMap = new ColorMap();
colorMap.OldColor = Color.FromArgb(255, 0, 255, 0);
colorMap.NewColor = Color.FromArgb(0, 0, 0, 0);
ColorMap[] remapTable = { colorMap };
imageAttributes.SetRemapTable(remapTable, ColorAdjustType.Bitmap);
float transparency = 0.5F;
if (watermarkTransparency >= 1 && watermarkTransparency <= 100)
{
transparency = (watermarkTransparency / 100.0F);
}
float[][] colorMatrixElements = {
new float[] {1.0f, 0.0f, 0.0f, 0.0f, 0.0f},
new float[] {0.0f, 1.0f, 0.0f, 0.0f, 0.0f},
new float[] {0.0f, 0.0f, 1.0f, 0.0f, 0.0f},
new float[] {0.0f, 0.0f, 0.0f, transparency, 0.0f},
new float[] {0.0f, 0.0f, 0.0f, 0.0f, 1.0f}
};
ColorMatrix colorMatrix = new ColorMatrix(colorMatrixElements);
imageAttributes.SetColorMatrix(colorMatrix, ColorMatrixFlag.Default, ColorAdjustType.Bitmap);
int xpos = 0;
int ypos = 0;
switch (watermarkStatus)
{
case 1:
xpos = (int)(img.Width * (float).01);
ypos = (int)(img.Height * (float).01);
break;
case 2:
xpos = (int)((img.Width * (float).50) - (watermark.Width / 2));
ypos = (int)(img.Height * (float).01);
break;
case 3:
xpos = (int)((img.Width * (float).99) - (watermark.Width));
ypos = (int)(img.Height * (float).01);
break;
case 4:
xpos = (int)(img.Width * (float).01);
ypos = (int)((img.Height * (float).50) - (watermark.Height / 2));
break;
case 5:
xpos = (int)((img.Width * (float).50) - (watermark.Width / 2));
ypos = (int)((img.Height * (float).50) - (watermark.Height / 2));
break;
case 6:
xpos = (int)((img.Width * (float).99) - (watermark.Width));
ypos = (int)((img.Height * (float).50) - (watermark.Height / 2));
break;
case 7:
xpos = (int)(img.Width * (float).01);
ypos = (int)((img.Height * (float).99) - watermark.Height);
break;
case 8:
xpos = (int)((img.Width * (float).50) - (watermark.Width / 2));
ypos = (int)((img.Height * (float).99) - watermark.Height);
break;
case 9:
xpos = (int)((img.Width * (float).99) - (watermark.Width));
ypos = (int)((img.Height * (float).99) - watermark.Height);
break;
}
g.DrawImage(watermark, new Rectangle(xpos, ypos, watermark.Width, watermark.Height), 0, 0, watermark.Width, watermark.Height, GraphicsUnit.Pixel, imageAttributes);
ImageCodecInfo[] codecs = ImageCodecInfo.GetImageEncoders();
ImageCodecInfo ici = null;
foreach (ImageCodecInfo codec in codecs)
{
if (codec.MimeType.ToLower().IndexOf("jpeg") > -1 || codec.MimeType.ToLower().IndexOf("jpg") > -1)
{
ici = codec;
}
}
EncoderParameters encoderParams = new EncoderParameters();
long[] qualityParam = new long[1];
if (quality < 0 || quality > 100)
{
quality = 80;
}
qualityParam[0] = quality;
EncoderParameter encoderParam = new EncoderParameter(System.Drawing.Imaging.Encoder.Quality, qualityParam);
encoderParams.Param[0] = encoderParam;
if (ici != null)
{
img.Save(filename, ici, encoderParams);
}
else
{
img.Save(filename);
}
g.Dispose();
img.Dispose();
watermark.Dispose();
imageAttributes.Dispose();
}
}
}
return true;
}
/// <summary>
/// 添加图片水印
/// </summary>
/// <param name="oldFilePath">原始图片路径</param>
/// <param name="newFilePath">将要添加水印图片路径</param>
/// <param name="waterPosition">水印位置</param>
/// <param name="waterImagePath">水印图片路径</param>
/// <param name="transparency">透明度</param>
/// <param name="quality">质量</param>
public static void CreateWaterImage(string oldFilePath, string newFilePath, int waterPosition, string waterImagePath, int watermarkTransparency, int quality)
{
System.Drawing.Image image = System.Drawing.Image.FromFile(oldFilePath);
Bitmap bmp = new Bitmap(image.Width, image.Height, PixelFormat.Format32bppArgb);
Graphics g = Graphics.FromImage(bmp);
g.Clear(Color.White);
g.DrawImage(image, 0, 0, image.Width, image.Height);
//设置透明度
System.Drawing.Image watermark = new Bitmap(waterImagePath);
ImageAttributes imageAttributes = new ImageAttributes();
ColorMap colorMap = new ColorMap();
colorMap.OldColor = Color.FromArgb(255, 0, 255, 0);
colorMap.NewColor = Color.FromArgb(0, 0, 0, 0);
ColorMap[] remapTable = { colorMap };
imageAttributes.SetRemapTable(remapTable, ColorAdjustType.Bitmap);
float transparency = 0.5F;
if (watermarkTransparency >= 1 && watermarkTransparency <= 10)
{
transparency = (watermarkTransparency / 10.0F);
}
float[][] colorMatrixElements = {
new float[] {1.0f, 0.0f, 0.0f, 0.0f, 0.0f},
new float[] {0.0f, 1.0f, 0.0f, 0.0f, 0.0f},
new float[] {0.0f, 0.0f, 1.0f, 0.0f, 0.0f},
new float[] {0.0f, 0.0f, 0.0f, transparency, 0.0f}, //注意：倒数第二处为0.0f为完全透明，1.0f为完全不透明
new float[] {0.0f, 0.0f, 0.0f, 0.0f, 1.0f}
};
ColorMatrix colorMatrix = new ColorMatrix(colorMatrixElements);
imageAttributes.SetColorMatrix(colorMatrix, ColorMatrixFlag.Default, ColorAdjustType.Bitmap);
int _width = image.Width;
int _height = image.Height;
int xpos = 0;
int ypos = 0;
int WatermarkWidth = 0;
int WatermarkHeight = 0;
double bl = 1d;
//计算水印图片的比率
//取背景的1/4宽度来比较
if ((_width > watermark.Width * 2) && (_height > watermark.Height * 2))
{
bl = 1;
}
else if ((_width > watermark.Width * 2) && (_height < watermark.Height * 2))
{
bl = Convert.ToDouble(_height / 2) / Convert.ToDouble(watermark.Height);
}
else if ((_width < watermark.Width * 2) && (_height > watermark.Height * 2))
{
bl = Convert.ToDouble(_width / 2) / Convert.ToDouble(watermark.Width);
}
else
{
if ((_width * watermark.Height) > (_height * watermark.Width))
{
bl = Convert.ToDouble(_height / 2) / Convert.ToDouble(watermark.Height);
}
else
{
bl = Convert.ToDouble(_width / 2) / Convert.ToDouble(watermark.Width);
}
}
WatermarkWidth = Convert.ToInt32(watermark.Width * bl);
WatermarkHeight = Convert.ToInt32(watermark.Height * bl);
switch (waterPosition)
{
case 3:
xpos = _width - WatermarkWidth - 10;
ypos = 10;
break;
case 2:
xpos = 10;
ypos = _height - WatermarkHeight - 10;
break;
case 5:
xpos = _width / 2 - WatermarkWidth / 2;
ypos = _height / 2 - WatermarkHeight / 2;
break;
case 1:
xpos = 10;
ypos = 10;
break;
case 4:
default:
xpos = _width - WatermarkWidth - 10;
ypos = _height - WatermarkHeight - 10;
break;
}
g.DrawImage(watermark, new Rectangle(xpos, ypos, WatermarkWidth, WatermarkHeight), 0, 0, watermark.Width, watermark.Height, GraphicsUnit.Pixel, imageAttributes);
try
{
ImageCodecInfo[] codecs = ImageCodecInfo.GetImageEncoders();
ImageCodecInfo ici = null;
foreach (ImageCodecInfo codec in codecs)
{
if (codec.MimeType.IndexOf("jpeg") > -1)
{
ici = codec;
}
}
EncoderParameters encoderParams = new EncoderParameters();
long[] qualityParam = new long[1];
if (quality < 0 || quality > 100)
{
quality = 80;
}
qualityParam[0] = quality;
EncoderParameter encoderParam = new EncoderParameter(System.Drawing.Imaging.Encoder.Quality, qualityParam);
encoderParams.Param[0] = encoderParam;
if (ici != null)
{
bmp.Save(newFilePath, ici, encoderParams);
}
else
{
bmp.Save(newFilePath);
}
}
catch (Exception ex)
{
throw ex;
}
finally
{
watermark.Dispose();
imageAttributes.Dispose();
image.Dispose();
bmp.Dispose();
}
}
public static void AdjustMatrixs(Bitmap img, float[] value)
{
if (value.Length == 0)
return;
float sb = (float)value[0] / 255F;
float[][] brMatrix =
{
new float[] {1, 0, 0, 0, 0},
new float[] {0, 1, 0, 0, 0},
new float[] {0, 0, 1, 0, 0},
new float[] {0, 0, 0, 1, 0},
new float[] {sb, sb, sb, 1, 1}
};
float co = 1F - (float)value[1] / 255F;
float[][] coMatrix =
{
new float[] {co, 0, 0, 0, 0},
new float[] {0, co, 0, 0, 0},
new float[] {0, 0, co, 0, 0},
new float[] {0, 0, 0, 1, 0},
new float[] {0, 0, 0, 0, 1}
};
float[][] colorMatrixElements=Multiply(brMatrix,coMatrix);
ColorMatrix cm = new ColorMatrix(colorMatrixElements);
ImageAttributes imgattr = new ImageAttributes();
Rectangle rc = new Rectangle(0, 0, img.Width, img.Height);
Graphics g = Graphics.FromImage(img);
g.InterpolationMode = InterpolationMode.HighQualityBicubic;
imgattr.SetColorMatrix(cm);
g.DrawImage(img, rc, 0, 0, img.Width, img.Height, GraphicsUnit.Pixel, imgattr);
//Clean everything up
imgattr.Dispose();
g.Dispose();
}
public static void AdjustContrastMatrix(Bitmap img, float value)
{
if (value == 0) // No change, so just return
return;
float co = 1F-(float)value / 255F;
float[][] colorMatrixElements =
{
new float[] {co, 0, 0, 0, 0},
new float[] {0, co, 0, 0, 0},
new float[] {0, 0, co, 0, 0},
new float[] {0, 0, 0, 1, 0},
new float[] {0, 0, 0, 0, 1}
};
ColorMatrix cm = new ColorMatrix(colorMatrixElements);
ImageAttributes imgattr = new ImageAttributes();
Rectangle rc = new Rectangle(0, 0, img.Width, img.Height);
Graphics g = Graphics.FromImage(img);
g.InterpolationMode = InterpolationMode.HighQualityBicubic;
imgattr.SetColorMatrix(cm);
g.DrawImage(img, rc, 0, 0, img.Width, img.Height, GraphicsUnit.Pixel, imgattr);
imgattr.Dispose();
g.Dispose();
}