/// <summary>
/// Initializes a new instance of the <see cref="Paint.PictureStateManager"/> class.
/// <param name='filenameResolver' Determines the filename for all files saved/loaded />
/// <param name='pictureIOManager' Handles the saving of the imageStateData />
/// <param name='renderTargetHandler' Handles the rendering of the appropriate render target when undo/redoing a change />
/// <param name='imageStateData' Current save point, max undo/redo count etc />
/// </summary>
public PictureStateManager(IFilenameResolver filenameResolver, IPictureIOManager pictureIOManager, IRenderTargertHandler renderTargetHandler, ImageStateData imageStateData)
{
this.canvasRecorder = new CanvasRecorder();
this.renderTargetHandler = renderTargetHandler;
this.filenameResolver = filenameResolver;
this.pictureIOManager = pictureIOManager;
this.ImageStateData = imageStateData;
}
/// <summary>
/// Initializes a new instance of the <see cref="Paint.CanvasPlaybackApp"/> class.
/// </summary>
/// <param name='canvasPlayback'>Canvas Playback data</param>
/// <param name='imageStateData'>ImageSaveData</param>
/// <param name='toolboxLayoutDefinition'>Layout of the toolbox</param>
/// <param name='deviceScale'>The device scale/resolution. 1 = normal. 2 = retina.</param>
public CanvasPlaybackApp(
ICanvasPlayback canvasPlayback,
ImageStateData imageStateData,
ToolboxLayoutDefinition toolboxLayoutDefinition,
int deviceScale)
: base(imageStateData, toolboxLayoutDefinition, deviceScale)
{
this.canvasPlayback = canvasPlayback;
this.calculatePlaybackSpeed = new CalculatePlaybackSpeed();
}
/// <summary>
/// Initializes a new instance of the <see cref="Paint.PaintApp"/> class.
/// Instantiate our GraphicsDeviceManager and establish where the content folder is
/// </summary>
/// <param name='pictureIOManager'>Picture IO Manager</param>
/// <param name='filenameResolver'>Filename Resolver</param>
/// <param name='imageStateData'>ImageSaveData</param>
/// <param name='saveBusyMessageDisplay'>Class for dsplaying the 'Busy - saving' message</param>
/// <param name='toolboxLayoutDefinition'>Layout of the toolbox</param>
/// <param name='deviceScale'>The device scale/resolution. 1 = normal. 2 = retina.</param>
public PaintApp(
IPictureIOManager pictureIOManager,
IFilenameResolver filenameResolver,
ImageStateData imageStateData,
IUIBusyMessage saveBusyMessageDisplay,
ToolboxLayoutDefinition toolboxLayoutDefinition,
int deviceScale)
: base(imageStateData, toolboxLayoutDefinition, deviceScale)
{
this.filenameResolver = filenameResolver;
this.pictureIOManager = pictureIOManager;
this.saveBusyMessageDisplay = saveBusyMessageDisplay;
}
/// <summary>
/// Sets the orientation of the device based on the image dimensions.
/// </summary>
/// <param name='imageStateData'>
/// Image state data.
/// </param>
private void SetOrientationForImage(ImageStateData imageStateData)
{
if (imageStateData.Height > imageStateData.Width)
{
this.SetOrientation(PictureOrientation.Portrait);
}
else
{
this.SetOrientation(PictureOrientation.Landscape);
}
}
/// <summary>
/// Start painting a new image
/// </summary>
/// <param name='orientation'>
/// The orientation of the new image
/// </param>
private void NewImage(PictureOrientation orientation)
{
// If the device is still mid turn then the reported width and height may be wrong - hence we are using
// Math.Max and Math.Min to ensure we get the right size. [Actually I've delayed the turning until we are
// ready to display the app (inside call to EditImage) so it wouldn't have turned yet anyway]
ImageStateData imageStateData = null;
int deviceWidth = (int)UIScreen.MainScreen.Bounds.Width * this.deviceScale;
int deviceHeight = (int)UIScreen.MainScreen.Bounds.Height * this.deviceScale;
if (orientation == PictureOrientation.Landscape)
{
imageStateData = new ImageStateData(Math.Max(deviceHeight, deviceWidth), Math.Min(deviceHeight, deviceWidth), UndoRedoBufferSize);
}
else
{
imageStateData = new ImageStateData(Math.Min(deviceHeight, deviceWidth), Math.Max(deviceHeight, deviceWidth), UndoRedoBufferSize);
}
this.EditImage(Guid.NewGuid(), imageStateData);
}
/// <summary>
/// Edits a specific image.
/// </summary>
/// <param name='pictureId'>
/// Unique ID referencing the specific image we want to edit
/// </param>
/// <param name='imageStateData'>
/// Image state data for this image - if null then it will be read from disk (so should not be null for new images)
/// </param>
private void EditImage(Guid pictureId, ImageStateData imageStateData = null)
{
var filenameResolver = this.CreateFilenameResolver(pictureId);
var pictureIOManager = new PictureIOManager(filenameResolver);
pictureIOManager.CreateDirectoryStructure();
if (imageStateData == null)
{
imageStateData = pictureIOManager.LoadImageStateData();
}
this.SetOrientationForImage(imageStateData);
BusyMessageDisplay busyMessageDisplay = new BusyMessageDisplay("Saving", "Please wait...");
// Simply instantiate the class derived from monogame:game and away we go...
ToolboxLayoutDefinition layoutDefinition =
imageStateData.Width > imageStateData.Height ?
this.toolboxLayoutManager.PaintLandscapeToolboxLayout :
this.toolboxLayoutManager.PaintPortraitToolboxLayout;
this.paintApp = new PaintApp(pictureIOManager, filenameResolver, imageStateData, busyMessageDisplay, layoutDefinition, this.deviceScale);
this.paintApp.Exiting += PaintAppExiting;
this.paintApp.Run();
}
/// <summary>
/// Initializes a new instance of the <see cref="Paint.BaseGame"/> class.
/// </summary>
/// <param name='imageStateData'>ImageSaveData</param>
/// <param name='toolboxLayoutDefinition'>Layout of the toolbox</param>
/// <param name='deviceScale'>Layout of the toolbox</param>
/// <param name='deviceScale'>The device scale/resolution. 1 = normal. 2 = retina.</param>
public BaseGame(ImageStateData imageStateData, ToolboxLayoutDefinition toolboxLayoutDefinition, int deviceScale)
{
this.ImageStateData = imageStateData;
this.ToolboxLayoutDefinition = toolboxLayoutDefinition;
this.DeviceScale = deviceScale;
this.GraphicsDeviceManager = new GraphicsDeviceManager(this);
this.GraphicsDeviceManager.IsFullScreen = true;
if (imageStateData.Width > imageStateData.Height)
{
this.GraphicsDeviceManager.SupportedOrientations =
DisplayOrientation.LandscapeLeft | DisplayOrientation.LandscapeRight;
}
else
{
this.GraphicsDeviceManager.SupportedOrientations =
DisplayOrientation.Portrait | DisplayOrientation.PortraitUpsideDown;
}
this.Content.RootDirectory = "Content";
}
/// <summary>
/// Saves the imageStateData to disk
/// </summary>
/// <param name='filename'>File to save the image data</param>
/// <param name='imageStateData'>Image state data.</param>
public void SaveImageStateData(string filename, ImageStateData imageStateData)
{
// Next write out the information file
var dataArray = new int[] {
imageStateData.Width,
imageStateData.Height,
imageStateData.MaxUndoRedoCount,
imageStateData.FirstSavePoint,
imageStateData.LastSavePoint,
imageStateData.CurrentSavePoint
};
using (var stream = File.Open(filename, FileMode.Create, FileAccess.Write))
{
foreach (int val in dataArray)
{
stream.WriteByte((byte)val);
stream.WriteByte((byte)(val >> 8));
stream.WriteByte((byte)(val >> 16));
stream.WriteByte((byte)(val >> 24));
}
}
}
/// <summary>
/// Saves all the undoRedoRenderTargets to disk and the imageStateData
/// </summary>
/// <param name='imageStateData'>Image state data.</param>
/// <param name='masterImageRenderTarget' Master image render target/>
/// <param name='undoRedoRenderTargets'>Sequence of images representing the undo/redo chain</param>
/// <param name='bottomMarginToCutOff'>Because the toolbox will always take up some space we will cut off the bottom section (toolbox height)
/// when saving the master image so that there is no annoying white space at the bottom</param>
public void SaveData(ImageStateData imageStateData, RenderTarget2D masterImageRenderTarget, RenderTarget2D[] undoRedoRenderTargets, int bottomMarginToCutOff)
{
this.SaveImageStateData(this.filenameResolver.MasterImageInfoFilename, imageStateData);
int end = imageStateData.FirstSavePoint == 0 ? imageStateData.LastSavePoint : imageStateData.MaxUndoRedoCount - 1;
for (int count = 0; count <= end; count++)
{
var renderTarget = undoRedoRenderTargets[count];
// Save the render target to disk
renderTarget.SaveAsPng(
this.filenameResolver.ImageSavePointFilename(count),
renderTarget.Width,
renderTarget.Height);
// copy the working canvas recorder file into the master folder.
var masterCanvasRecorderFile = this.filenameResolver.MasterCanvasRecorderFilename(count);
if (File.Exists(masterCanvasRecorderFile))
{
File.Delete(masterCanvasRecorderFile);
}
File.Move(this.filenameResolver.WorkingCanvasRecorderFilename(count), masterCanvasRecorderFile);
}
// Save the Master image as a JPG as it has no alpha channel - which is ideal for displaying on the home
// home screen where we don't want the background image showing through
masterImageRenderTarget.SaveAsJpeg(
this.filenameResolver.MasterImageFilename,
masterImageRenderTarget.Width,
masterImageRenderTarget.Height - bottomMarginToCutOff);
File.Delete(this.filenameResolver.WorkingImageInfoFilename);
}
