public virtual void DrawThumbnail (IDocument doc, IGraphics g, SizeF size, Theme theme)
{
g.SetColor (GetThumbnailBackgroundColor (theme));
g.FillRect (new RectangleF (PointF.Empty, size));
}
public virtual Color GetThumbnailBackgroundColor (Theme theme) {
return theme.DocumentBackgroundColor.GetColor ();
}
public override void ApplyTheme (Theme theme)
{
SetNeedsDisplay ();
}
public override void ApplyTheme (Theme theme)
{
base.ApplyTheme (theme);
RefreshThumbnail ();
}
async Task<UIImage> GenerateDocumentThumbnailAsync (IDocument s, Praeclarum.Graphics.SizeF size, Theme theme)
{
var scale = UIScreen.MainScreen.Scale;
return await Task.Run (() => {
var width = (int)(size.Width * scale);
var height = (int)(size.Height * scale);
using (var colorSpace = CoreGraphics.CGColorSpace.CreateDeviceRGB ()) {
using (var c = new CoreGraphics.CGBitmapContext (
IntPtr.Zero,
width,
height,
8,
4 * width,
colorSpace,
CoreGraphics.CGImageAlphaInfo.NoneSkipFirst)) {
c.TranslateCTM (0, height);
c.ScaleCTM (scale, -scale);
var g = new Praeclarum.Graphics.CoreGraphicsGraphics (c, true);
App.DrawThumbnail (s, g, size, theme);
//
// Create the bitmap
//
return UIImage.FromImage (c.ToImage (), scale, UIImageOrientation.Up);
}
}
});
}
public override void ApplyTheme (Theme theme)
{
base.ApplyTheme (theme);
RefreshThumbnails ().ContinueWith (t => {
if (t.IsFaulted) {
Console.WriteLine (t.Exception);
}
});
}
public void ApplyTheme (Theme theme)
{
button.SetNeedsDisplay ();
}
public virtual string GetThumbnailKey (IFile file, Theme theme)
{
if (file == null)
return "";
return string.Format ("{0}-{1}{2}",
FileSystemManager.Shared.ActiveFileSystem.Id,
file.Path.Replace ('/', '-').Replace ('.', '-'),
theme.IsDark ? "-Dark14" : "");
}
public void ApplyTheme (Theme theme)
{
BackgroundColor = theme.DocumentsBackgroundColor;
if (ios7) {
segs.TintColor = theme.DocumentsControlColor;
}
}
public void ApplyTheme (Theme theme)
{
// var appdel = DocumentAppDelegate.Shared;
BackgroundColor = UIColor.Clear;// appdel.App.GetThumbnailBackgroundColor (appdel.Theme).GetUIColor ().ColorWithAlpha (0.5f);
}
public virtual void ApplyTheme (Theme theme)
{
SetNeedsDisplay ();
}
public void ApplyTheme (Theme theme)
{
BackgroundColor = theme.DocumentsBackgroundColor;
}
public void ApplyTheme (Theme theme)
{
BackgroundColor = theme.DocumentsBackgroundColor;
if (label != null) {
label.TextColor = theme.NavigationTextColor;
}
}
public void ApplyTheme (Theme theme)
{
BackgroundColor = theme.TableCellBackgroundColor;
TextLabel.TextColor = theme.TableCellTextColor;
}
public static UIColor GetNotSelectableColor (Theme theme) {
if (theme.IsDark) {
return UIColor.FromWhiteAlpha (1.0f - 0.875f, 0.5961f);;
}
return UIColor.FromWhiteAlpha (0.875f, 0.5961f);
}
static Theme ()
{
Current = new Theme (dark: false);
}
public virtual void ApplyTheme (Theme theme)
{
BackgroundColor = theme.DocumentsBackgroundColor;
if (label != null) {
label.BackgroundColor = theme.DocumentsBackgroundColor;
}
}
public virtual async Task<UIImage> GenerateThumbnailAsync (DocumentReference docRef, Praeclarum.Graphics.SizeF size, Theme theme)
{
UIImage r = null;
IDocument doc = null;
LocalFileAccess local = null;
var opened = false;
//
// Draw the document
//
try {
local = await docRef.File.BeginLocalAccess ();
var f = local.LocalPath;
doc = App.CreateDocument (f);
await doc.OpenAsync ();
opened = true;
// Console.WriteLine ("GenerateThumbnail: " + docRef.File.Path + " " + docRef.File.ModifiedTime);
r = await GenerateDocumentThumbnailAsync (doc, size, theme);
} catch (Exception ex) {
Debug.WriteLine ("FAILED to genenerate thumbnail for {0}, {1}", docRef.File.Path, ex.Message);
// Debug.WriteLine (ex);
}
if (opened) {
try {
await doc.CloseAsync ();
} catch (Exception ex) {
Console.WriteLine (ex);
}
}
if (local != null) {
try {
await local.End ();
} catch (Exception ex) {
Console.WriteLine (ex);
}
}
return r;
}
public override void ApplyTheme (Theme theme)
{
base.ApplyTheme (theme);
if (label != null) {
label.TextColor = theme.NavigationTextColor;
}
}
protected virtual void SetTheme (Theme newTheme)
{
Theme.Current = newTheme;
newTheme.Apply ();
UpdateFonts ();
}
async Task<UIImage> GetThumbnail (DocumentReference doc, Theme theme)
{
var appDel = DocumentAppDelegate.Shared;
var Cache = appDel.ThumbnailCache;
var thumbKey = appDel.GetThumbnailKey (doc.File, theme);
var thumbImage = await Cache.GetImageAsync (thumbKey, doc.ModifiedTime);
if (thumbImage == null) {
thumbImage = await appDel.GenerateThumbnailAsync (doc, ThumbnailSize, theme);
if (thumbImage != null) {
await Cache.SetGeneratedImageAsync (thumbKey, thumbImage, saveToDisk: true);
}
}
return thumbImage;
}