/// <summary>
/// 制作背景图片
/// </summary>
/// <param name="pictureFileFullPath"></param>
/// <param name="fileDirectory"></param>
/// <param name="textContent"></param>
/// <returns></returns>
static string GenerateWallPaper(string pictureFileFullPath, string fileDirectory, string textContent)
{
var wic = new SharpDX.WIC.ImagingFactory2();
var d2d = new SharpDX.Direct2D1.Factory();
float dpi = d2d.DesktopDpi.Width;
Size2 size = new Size2(Screen.PrimaryScreen.Bounds.Width, Screen.PrimaryScreen.Bounds.Height);
SharpDX.WIC.FormatConverter image = CreateWicImage(wic, pictureFileFullPath);
using var wicBitmap = new SharpDX.WIC.Bitmap(wic, size.Width, size.Height, SharpDX.WIC.PixelFormat.Format32bppPBGRA, SharpDX.WIC.BitmapCreateCacheOption.CacheOnDemand);
using var target = new SharpDX.Direct2D1.WicRenderTarget(d2d, wicBitmap, new SharpDX.Direct2D1.RenderTargetProperties());
using var dc = target.QueryInterface <SharpDX.Direct2D1.DeviceContext>();
using var bmpPicture = SharpDX.Direct2D1.Bitmap.FromWicBitmap(target, image);
using var dwriteFactory = new SharpDX.DirectWrite.Factory();
using var brush = new SolidColorBrush(target, SharpDX.Color.LightGoldenrodYellow);
using var bmpLayer = new SharpDX.Direct2D1.Bitmap1(dc, target.PixelSize,
new SharpDX.Direct2D1.BitmapProperties1(new SharpDX.Direct2D1.PixelFormat(SharpDX.DXGI.Format.B8G8R8A8_UNorm, SharpDX.Direct2D1.AlphaMode.Premultiplied), dpi, dpi, SharpDX.Direct2D1.BitmapOptions.Target));
var oldTarget = dc.Target;
dc.Target = bmpLayer;
target.BeginDraw();
{
var textFormat = new SharpDX.DirectWrite.TextFormat(dwriteFactory, "Tahoma", size.Height / 27);
// draw textContent
{
var textLayout = new SharpDX.DirectWrite.TextLayout(dwriteFactory, textContent, textFormat, target.Size.Width * 0.75f, float.MaxValue);
var center = new Vector2((target.Size.Width - textLayout.Metrics.Width) / 2, (target.Size.Height - textLayout.Metrics.Height) / 2);
target.DrawTextLayout(new Vector2(center.X, center.Y), textLayout, brush);
}
//{
// // draw otherContent
// var textLayout = new SharpDX.DirectWrite.TextLayout(dwriteFactory, chinese, textFormat, target.Size.Width * 0.75f, float.MaxValue);
// var center = new Vector2((target.Size.Width - textLayout.Metrics.Width) / 2, target.Size.Height - textLayout.Metrics.Height - size.Height / 18);
// target.DrawTextLayout(new Vector2(center.X, center.Y), textLayout, brush);
//}
}
target.EndDraw();
// shadow
var shadow = new SharpDX.Direct2D1.Effects.Shadow(dc);
shadow.SetInput(0, bmpLayer, new RawBool(false));
dc.Target = oldTarget;
target.BeginDraw();
{
target.DrawBitmap(bmpPicture, new SharpDX.RectangleF(0, 0, target.Size.Width, target.Size.Height), 1.0f, BitmapInterpolationMode.Linear);
dc.DrawImage(shadow, new Vector2(size.Height / 150.0f, size.Height / 150.0f));
dc.UnitMode = UnitMode.Pixels;
target.DrawBitmap(bmpLayer, 1.0f, BitmapInterpolationMode.Linear);
}
target.EndDraw();
if (!Directory.Exists(fileDirectory))
{
Directory.CreateDirectory(fileDirectory);
}
string wallpaperFileName = fileDirectory + DateTime.Now.ToString("yyyyMMdd") + "_" + "wallpaper.png";
using var wallpaperStream = File.OpenWrite(wallpaperFileName);
SaveD2DBitmap(wic, wicBitmap, wallpaperStream);
wallpaperStream.Close();
return(wallpaperFileName);
}
public static string GenerateWallpaper(string pictureFileName, string english, string chinese, string weather)
{
var wic = new WIC.ImagingFactory2();
var d2d = new D2D.Factory();
float dpi = d2d.DesktopDpi.Width;
Size2 size = new Size2(Screen.PrimaryScreen.Bounds.Width, Screen.PrimaryScreen.Bounds.Height);
WIC.FormatConverter image = CreateWicImage(wic, pictureFileName);
using (var wicBitmap = new WIC.Bitmap(wic, size.Width, size.Height, WIC.PixelFormat.Format32bppPBGRA, WIC.BitmapCreateCacheOption.CacheOnDemand))
using (var target = new D2D.WicRenderTarget(d2d, wicBitmap, new D2D.RenderTargetProperties()))
using (var dc = target.QueryInterface <D2D.DeviceContext>())
using (var bmpPicture = Bitmap.FromWicBitmap(target, image))
using (var dwriteFactory = new SharpDX.DirectWrite.Factory())
using (var brush = new SolidColorBrush(target, new RawColor4(255, 255, 0, 1)))
using (var bmpLayer = new D2D.Bitmap1(dc, target.PixelSize,
new D2D.BitmapProperties1(new D2D.PixelFormat(SharpDX.DXGI.Format.B8G8R8A8_UNorm, AlphaMode.Premultiplied), dpi, dpi, BitmapOptions.Target)))
{
var oldTarget = dc.Target;
dc.Target = bmpLayer;
target.BeginDraw();
{
var textFormat = new DWrite.TextFormat(dwriteFactory, "Tahoma", size.Height / 27);
// draw English
{
var textLayout = new DWrite.TextLayout(dwriteFactory, english, textFormat, target.Size.Width * 0.75f, float.MaxValue);
var center = new Vector2((target.Size.Width - textLayout.Metrics.Width) / 2, (target.Size.Height - textLayout.Metrics.Height) / 2);
target.DrawTextLayout(new RawVector2(center.X, center.Y), textLayout, brush);
}
{
var textLayout = new DWrite.TextLayout(dwriteFactory, chinese, textFormat, target.Size.Width * 0.75f, float.MaxValue);
var center = new Vector2((target.Size.Width - textLayout.Metrics.Width) / 2, target.Size.Height - textLayout.Metrics.Height - size.Height / 18);
target.DrawTextLayout(new RawVector2(center.X, center.Y), textLayout, brush);
}
{
var textLayout = new DWrite.TextLayout(dwriteFactory, weather, textFormat, target.Size.Width * 0.75f, float.MaxValue);
var center = new Vector2((target.Size.Width - textLayout.Metrics.Width) / 2, size.Height / 18 + textLayout.Metrics.Height);
target.DrawTextLayout(new RawVector2(center.X, center.Y), textLayout, brush);
}
}
target.EndDraw();
// shadow
var shadow = new D2D.Effects.Shadow(dc);
shadow.SetInput(0, bmpLayer, new RawBool(false));
dc.Target = oldTarget;
target.BeginDraw();
{
target.DrawBitmap(bmpPicture, new SharpDX.Mathematics.Interop.RawRectangleF(0, 0, target.Size.Width, target.Size.Height), 1.0f, BitmapInterpolationMode.Linear);
dc.DrawImage(shadow, new RawVector2(size.Height / 150.0f, size.Height / 150.0f));
dc.UnitMode = UnitMode.Pixels;
target.DrawBitmap(bmpLayer, 1.0f, BitmapInterpolationMode.Linear);
}
target.EndDraw();
string wallpaperFileName = Path.GetTempPath() + "wallpaper.png";
using (var wallpaperStream = File.OpenWrite(wallpaperFileName))
{
SaveD2DBitmap(wic, wicBitmap, wallpaperStream);
wallpaperStream.Close();
return(wallpaperFileName);
}
}
}
public static byte[] CreatePngImage(int width, int height, string text,
float fontSize = 30.0f,
string font = "Times New Roman",
int lineCount = 5,
bool rotation = false,
float turbulenceAmount = 60.0f)
{
using (var wic = new WIC.ImagingFactory2())
using (var d2d = new D2D.Factory())
using (var wicBitmap = new WIC.Bitmap(wic, width, height, WIC.PixelFormat.Format32bppPBGRA, WIC.BitmapCreateCacheOption.CacheOnDemand))
using (var target = new D2D.WicRenderTarget(d2d, wicBitmap, new D2D.RenderTargetProperties()))
using (var dwriteFactory = new DWrite.Factory())
using (var brush = new D2D.SolidColorBrush(target, Color.Yellow))
using (var encoder = new WIC.PngBitmapEncoder(wic))
using (var ms = new MemoryStream())
using (var dc = target.QueryInterface <D2D.DeviceContext>())
using (var bmpLayer = new D2D.Bitmap1(dc, target.PixelSize,
new D2D.BitmapProperties1(new D2D.PixelFormat(SharpDX.DXGI.Format.B8G8R8A8_UNorm, D2D.AlphaMode.Premultiplied),
d2d.DesktopDpi.Width, d2d.DesktopDpi.Height,
D2D.BitmapOptions.Target)))
{
var r = new Random();
encoder.Initialize(ms);
D2D.Image oldTarget = dc.Target;
{
dc.Target = bmpLayer;
dc.BeginDraw();
var textFormat = new DWrite.TextFormat(dwriteFactory, font, fontSize);
for (int charIndex = 0; charIndex < text.Length; ++charIndex)
{
using (var layout = new DWrite.TextLayout(dwriteFactory, text[charIndex].ToString(), textFormat, float.MaxValue, float.MaxValue))
{
var layoutSize = new Vector2(layout.Metrics.Width, layout.Metrics.Height);
using (var b2 = new D2D.LinearGradientBrush(dc, new D2D.LinearGradientBrushProperties
{
StartPoint = Vector2.Zero,
EndPoint = layoutSize,
}, new D2D.GradientStopCollection(dc, new[]
{
new D2D.GradientStop {
Position = 0.0f, Color = ColorFromHsl(r.NextFloat(0, 1), 1.0f, 0.8f)
},
new D2D.GradientStop {
Position = 1.0f, Color = ColorFromHsl(r.NextFloat(0, 1), 1.0f, 0.8f)
},
})))
{
var position = new Vector2(charIndex * width / text.Length, r.NextFloat(0, height - layout.Metrics.Height));
dc.Transform =
Matrix3x2.Translation(-layoutSize / 2) *
Matrix3x2.Skew(r.NextFloat(0, 0.5f), r.NextFloat(0, 0.5f)) *
(rotation ? Matrix3x2.Rotation(r.NextFloat(0, (float)(Math.PI * 2))) : Matrix3x2.Identity) *
Matrix3x2.Translation(position + layoutSize / 2);
dc.DrawTextLayout(Vector2.Zero, layout, b2);
}
}
}
for (var i = 0; i < lineCount; ++i)
{
target.Transform = Matrix3x2.Identity;
brush.Color = ColorFromHsl(r.NextFloat(0, 1), 1.0f, 0.3f);
target.DrawLine(
r.NextVector2(Vector2.Zero, new Vector2(width, height)),
r.NextVector2(Vector2.Zero, new Vector2(width, height)),
brush, 3.0f);
}
target.EndDraw();
}
Color background = ColorFromHsl(r.NextFloat(0, 1), 1.0f, 0.3f);
{
dc.Target = null;
using (var displacement = new D2D.Effects.DisplacementMap(dc))
{
displacement.SetInput(0, bmpLayer, true);
displacement.Scale = turbulenceAmount;
var turbulence = new D2D.Effects.Turbulence(dc);
displacement.SetInputEffect(1, turbulence);
dc.Target = oldTarget;
dc.BeginDraw();
dc.Clear(background);
dc.DrawImage(displacement);
dc.EndDraw();
using (var frame = new WIC.BitmapFrameEncode(encoder))
{
frame.Initialize();
frame.SetSize(wicBitmap.Size.Width, wicBitmap.Size.Height);
var pixelFormat = wicBitmap.PixelFormat;
frame.SetPixelFormat(ref pixelFormat);
frame.WriteSource(wicBitmap);
frame.Commit();
}
}
}
encoder.Commit();
return(ms.ToArray());
}
}