static void DrawSecondsText(CanvasDrawingSession ds, Vector2 pos, int seconds)
{
// The text is drawn via a command list so we can use DrawImage to specify a difference CanvasComposite mode.
using (var cl = new CanvasCommandList(ds))
{
using (var clds = cl.CreateDrawingSession())
{
clds.DrawText(seconds.ToString(), Vector2.Zero, Colors.White, textFormat);
}
Rect textBounds = cl.GetBounds(ds);
var offset = new Vector2((float)textBounds.Left, (float)textBounds.Top);
ds.DrawImage(cl, pos + offset, cl.GetBounds(ds), 1, CanvasImageInterpolation.NearestNeighbor, CanvasComposite.MaskInvert);
}
}
async Task GenerateIcon(AppInfo appInfo, IconInfo iconInfo, StorageFolder folder)
{
// Draw the icon image into a command list.
var iconImage = new CanvasCommandList(device);
using (var ds = iconImage.CreateDrawingSession())
{
appInfo.DrawIconImage(ds, iconInfo);
}
// Rasterize into a rendertarget.
var renderTarget = new CanvasRenderTarget(device, iconInfo.Width, iconInfo.Height, 96);
using (var ds = renderTarget.CreateDrawingSession())
{
// Initialize with the appropriate background color.
ds.Clear(iconInfo.TransparentBackground ? Colors.Transparent : appInfo.BackgroundColor);
// Work out where to position the icon image.
var imageBounds = iconImage.GetBounds(ds);
imageBounds.Height *= 1 + iconInfo.BottomPadding;
float scaleUpTheSmallerIcons = Math.Max(1, 1 + (60f - iconInfo.Width) / 50f);
float imageScale = appInfo.ImageScale * scaleUpTheSmallerIcons;
ds.Transform = Matrix3x2.CreateTranslation((float)-imageBounds.X, (float)-imageBounds.Y) *
Utils.GetDisplayTransform(renderTarget.Size.ToVector2(), new Vector2((float)imageBounds.Width, (float)imageBounds.Height)) *
Matrix3x2.CreateScale(imageScale, renderTarget.Size.ToVector2() / 2);
// Optional shadow effet.
if (appInfo.AddShadow)
{
var shadow = new ShadowEffect
{
Source = iconImage,
BlurAmount = 12,
};
ds.DrawImage(shadow);
}
// draw the main icon image.
ds.DrawImage(iconImage);
}
// Save to a file.
using (var stream = await folder.OpenStreamForWriteAsync(iconInfo.Filename, CreationCollisionOption.ReplaceExisting))
{
await renderTarget.SaveAsync(stream.AsRandomAccessStream(), CanvasBitmapFileFormat.Png);
}
}
public static CanvasBitmap GetCanvasBitmap(this CanvasCommandList canvasCommandList)
{
var chartRect = canvasCommandList.GetBounds(canvasCommandList.Device);
var offScreen = new CanvasRenderTarget(canvasCommandList.Device, (float)chartRect.Width,
(float)chartRect.Height, 96);
var chartOffset = new Point(-chartRect.X, -chartRect.Y).ToVector2();
using (var session = offScreen.CreateDrawingSession())
{
session.Transform = Matrix3x2.CreateTranslation(chartOffset);
session.DrawImage(canvasCommandList);
}
return(offScreen);
}
static void DrawSecondsText(CanvasDrawingSession ds, Vector2 pos, int seconds)
{
// The text is drawn via a command list so we can use DrawImage to specify a difference CanvasComposite mode.
using (var cl = new CanvasCommandList(ds))
{
using (var clds = cl.CreateDrawingSession())
{
clds.DrawText(seconds.ToString(), Vector2.Zero, Colors.White, textFormat);
}
Rect textBounds = cl.GetBounds(ds);
var offset = new Vector2((float)textBounds.Left, (float)textBounds.Top);
ds.DrawImage(cl, pos + offset, cl.GetBounds(ds), 1, CanvasImageInterpolation.NearestNeighbor, CanvasComposite.MaskInvert);
}
}
async Task GenerateIcon(AppInfo appInfo, IconInfo iconInfo, StorageFolder folder)
{
// Draw the icon image into a command list.
var iconImage = new CanvasCommandList(device);
using (var ds = iconImage.CreateDrawingSession())
{
appInfo.DrawIconImage(ds, iconInfo);
}
// Rasterize into a rendertarget.
var renderTarget = new CanvasRenderTarget(device, iconInfo.Width, iconInfo.Height, 96);
using (var ds = renderTarget.CreateDrawingSession())
{
// Initialize with the appropriate background color.
ds.Clear(iconInfo.TransparentBackground ? Colors.Transparent : appInfo.BackgroundColor);
// Work out where to position the icon image.
var imageBounds = iconImage.GetBounds(ds);
imageBounds.Height *= 1 + iconInfo.BottomPadding;
float scaleUpTheSmallerIcons = Math.Max(1, 1 + (60f - iconInfo.Width) / 50f);
float imageScale = appInfo.ImageScale * scaleUpTheSmallerIcons;
ds.Transform = Matrix3x2.CreateTranslation((float)-imageBounds.X, (float)-imageBounds.Y) *
Utils.GetDisplayTransform(renderTarget.Size.ToVector2(), new Vector2((float)imageBounds.Width, (float)imageBounds.Height)) *
Matrix3x2.CreateScale(imageScale, renderTarget.Size.ToVector2() / 2);
// Optional shadow effet.
if (appInfo.AddShadow)
{
var shadow = new ShadowEffect
{
Source = iconImage,
BlurAmount = 12,
};
ds.DrawImage(shadow);
}
// draw the main icon image.
ds.DrawImage(iconImage);
}
// Save to a file.
using (var stream = await folder.OpenStreamForWriteAsync(iconInfo.Filename, CreationCollisionOption.ReplaceExisting))
{
await renderTarget.SaveAsync(stream.AsRandomAccessStream(), CanvasBitmapFileFormat.Png);
}
}