public JsonResult GetImageSheet(
int imageWidth, int imageHeight, int sheetWidth, int sheetHeight,
float xStartPercent, float yStartPercent, float cropWidthPercent, float cropHeightPercent, [FromBody] string image)
{
string[] splitImage = image.Split(",");
Image <Rgba32> inputImage = StringToImage(splitImage[1]);
//Convert from percentage values to image-relative values.
int xStart = (int)(inputImage.Width * (xStartPercent / 100));
int yStart = (int)(inputImage.Height * (yStartPercent / 100));
int cropHeight = (int)(inputImage.Height * (cropHeightPercent / 100));
int cropWidth = (int)(inputImage.Width * (cropWidthPercent / 100));
ImageSheet sheet = ImageSheet.FromImage(inputImage);
sheet.SetSheetFormat(new CustomSheet(sheetWidth, sheetHeight));
sheet.SetImageFormat(new CustomImageFormat(imageWidth, imageHeight));
sheet.SetCropArea(xStart, yStart, xStart + cropWidth, yStart + cropHeight);
//Disabled until ImagePermutator library calculates cols and rows correctly on rotation.
//if(sheetHeight > sheetWidth)
//{
// sheet.SetCroppedImageRotation(270);
// sheet.SetOutputImageRotation(90);
//}
sheet.Create();
string outputImageString = sheet.OutputImage.ToBase64String(ImageFormats.Png);
inputImage.Dispose();
sheet.CroppedImage.Dispose();
sheet.OutputImage.Dispose();
sheet.SourceImage.Dispose();
return(new JsonResult(outputImageString));
}
private void WriteImageSheetJson(JsonWriter output, string key, ImageSheet sheet)
{
using (output.BeginObject(key))
{
using (output.BeginArray("entries"))
{
foreach (ImageSheetEntry entry in sheet)
{
entry.WriteJson(output);
}
}
}
}
private void PrepareFontImageSheets()
{
ImageSheet outlineMonoCharSheet = new ImageSheet(settings.MaxImageSheetWidth, settings.MaxImageSheetHeight, 2, 1);
ImageSheet normalMonoCharSheet = new ImageSheet(settings.MaxImageSheetWidth, settings.MaxImageSheetHeight, 0, 0);
outlineMonoCharSheet.ClearColor = Color.Black;
outlineMonoCharSheet.MakeTransparent = true;
normalMonoCharSheet.ClearColor = Color.Black;
normalMonoCharSheet.MakeTransparent = true;
fonts = GetFonts();
foreach (AgsFont font in fonts)
{
foreach (AgsFontChar c in font.Chars)
{
if (c == null || c.Width == 0 || c.Height == 0)
{
continue;
}
if (font.font.OutlineStyle == AGS.Types.FontOutlineStyle.Automatic)
{
outlineMonoCharSheet.AddEntry(c);
}
else
{
normalMonoCharSheet.AddEntry(c);
}
}
}
if (!normalMonoCharSheet.IsEmpty)
{
if (!normalMonoCharSheet.Pack())
{
throw new Exception("Cannot pack normal fonts!");
}
GameImageSheets.Add(normalMonoCharSheet);
}
if (!outlineMonoCharSheet.IsEmpty)
{
if (!outlineMonoCharSheet.Pack())
{
throw new Exception("Cannot pack outline fonts!");
}
GameImageSheets.Add(outlineMonoCharSheet);
}
}
private void ExportSpriteFolder(
AGS.Types.ISpriteFolder folder,
ImageSheet toMaskSheet,
List<ImageSheet> completeImageSheets,
bool alpha,
bool topLevel)
{
if (toMaskSheet == null)
{
toMaskSheet = new ImageSheet(settings.MaxImageSheetWidth, settings.MaxImageSheetHeight, 0, 0);
if (!alpha)
{
toMaskSheet.ClearColor = HacksAndKludges.GetTransparencyColor();
toMaskSheet.MakeTransparent = true;
}
foreach (AGS.Types.Sprite sprite in folder.Sprites)
{
if ((alpha && !sprite.AlphaChannel) || (!alpha && sprite.AlphaChannel))
{
continue;
}
if (sprite.Width > settings.MaxImageSheetWidth || sprite.Height > settings.MaxImageSheetHeight)
{
throw new Exception("Sprite #" + sprite.Number + " is bigger than the maximum image sheet size");
}
SpriteImageSheetEntry entry;
if (alpha)
{
entry = new SpriteImageSheetEntry(editor, sprite, Color.Transparent);
}
else
{
entry = new SpriteImageSheetEntry(editor, sprite, HacksAndKludges.GetTransparencyColor());
}
if (!toMaskSheet.AddEntry(entry))
{
if (!toMaskSheet.IsEmpty)
{
completeImageSheets.Add(toMaskSheet);
}
toMaskSheet = new ImageSheet(settings.MaxImageSheetWidth, settings.MaxImageSheetHeight, 0, 0);
}
}
}
else
{
object maskSnapshot = toMaskSheet.Snapshot();
foreach (AGS.Types.Sprite sprite in folder.Sprites)
{
if ((alpha && !sprite.AlphaChannel) || (!alpha && sprite.AlphaChannel))
{
continue;
}
if (sprite.Width > settings.MaxImageSheetWidth || sprite.Height > settings.MaxImageSheetHeight)
{
throw new Exception("Sprite #" + sprite.Number + " is bigger than the maximum image sheet size");
}
SpriteImageSheetEntry entry;
if (alpha)
{
entry = new SpriteImageSheetEntry(editor, sprite, Color.Transparent);
}
else
{
entry = new SpriteImageSheetEntry(editor, sprite, HacksAndKludges.GetTransparencyColor());
}
if (!toMaskSheet.AddEntry(entry))
{
toMaskSheet.RestoreSnapshot(maskSnapshot);
ExportSpriteFolder(folder, null, completeImageSheets, alpha, true);
return;
}
}
}
int insert = completeImageSheets.Count;
foreach (AGS.Types.SpriteFolder subfolder in folder.SubFolders)
{
ExportSpriteFolder(subfolder, toMaskSheet, completeImageSheets, alpha, false);
}
if (topLevel && !toMaskSheet.IsEmpty)
{
completeImageSheets.Insert(insert, toMaskSheet);
}
}
private void WriteImageSheetJson(JsonWriter output, ImageSheet sheet)
{
WriteImageSheetJson(output, null, sheet);
}