void btnLoadSheet_Click(object sender, EventArgs e)
{
if (OpenPngs.Enabled == false)
{
return;
}
OpenPngs.Enabled = false;
OpenFileDialog openFileDialog = new OpenFileDialog();
openFileDialog.Title = "Select a sprite sheet";
openFileDialog.CheckPathExists = true;
openFileDialog.Filter = "Supported fomats: *.bmp, *.gif, *.png | *.bmp; *.gif; *.png";
openFileDialog.ShowHelp = true;
if (openFileDialog.ShowDialog() != DialogResult.OK)
{
OpenPngs.Enabled = true;
return;
}
Bitmap image = new Bitmap(openFileDialog.FileName);
if ((image.Width != 256) || (image.Height != 64))
{
MessageBox.Show("The sprite sheet should be 256x64.");
return;
}
IndexedBitmapHandler Handler = new IndexedBitmapHandler();
image = Handler.Convert(image, PixelFormat.Format8bppIndexed);
image.Palette = StandardizeColors(image);
Bitmap[] tiles = Handler.Split(image, 64, 64);
SpriteSet sprites = new SpriteSet();
bool[] used = Handler.IsUsed(tiles[0]);
used = Handler.IsUsed(tiles[2], used);
Bitmap temp = Handler.ShrinkPalette(tiles[0], used);
sprites.Normal = temp.Palette;
temp = Handler.Resize(temp, 8, 8, 8, 8);
temp = Handler.Concat(temp, temp);
sprites.Sprites[2] = temp;
sprites.Sprites[3] = temp;
temp = Handler.ShrinkPalette(tiles[2], used);
temp = Handler.Resize(temp, 8, 8, 8, 8);
if (DPCheck.Checked)
{
temp = Handler.Resize(temp, 0, 0, 0, 80);
}
else
{
temp = Handler.Concat(temp, temp);
}
sprites.Sprites[0] = temp;
sprites.Sprites[1] = temp;
temp = Handler.ShrinkPalette(tiles[1], used);
temp = Handler.Resize(temp, 8, 8, 8, 8);
temp = Handler.Concat(temp, temp);
sprites.Shiny = Handler.AlternatePalette(sprites.Sprites[2], temp);
CurrentSprites = sprites;
OpenPngs.Enabled = true;
LoadImages();
}
Bitmap CheckSize(Bitmap image, string filename, string name, int spritenumber = 2)
{
DialogResult yesno;
IndexedBitmapHandler Handler = new IndexedBitmapHandler();
if (image.PixelFormat != PixelFormat.Format8bppIndexed)
{
if (AutoConvert.Checked)
{
yesno = DialogResult.Yes;
}
else
{
yesno = MessageBox.Show(filename + " is not 8bpp Indexed! Attempt conversion?", "Incompatible image format", MessageBoxButtons.YesNo);
}
if (yesno != DialogResult.Yes)
{
return(null);
}
image = Handler.Convert(image, PixelFormat.Format8bppIndexed);
if (image == null)
{
return(null);
}
if ((image.PixelFormat != PixelFormat.Format8bppIndexed) || (image.Palette == null))
{
MessageBox.Show("Conversion failed.", "Failed");
return(null);
}
}
if (((image.Height != 64) && (image.Height != 80)) || ((image.Width != 64) && (image.Width != 80) && (image.Width != 160)))
{
int imagescale = 0;
if (UseShrinking.Checked)
{
if ((image.Width / 64 == image.Height / 64) && (image.Width % 64 == 0) && (image.Height % 64 == 0))
{
imagescale = image.Width / 64;
}
if ((image.Width / 80 == image.Height / 80) && (image.Width % 80 == 0) && (image.Height % 80 == 0))
{
imagescale = image.Width / 80;
}
if ((image.Width / 160 == image.Height / 80) && (image.Width % 160 == 0) && (image.Height % 80 == 0))
{
imagescale = image.Width / 160;
}
if (imagescale > 1)
{
yesno = MessageBox.Show(filename + " is too large. Attempt to shrink?", "Too large", MessageBoxButtons.YesNo);
if (yesno == DialogResult.Yes)
{
image = Handler.ShrinkImage(image, imagescale, imagescale);
}
else
{
imagescale = 0;
}
}
}
if (imagescale == 0)
{
yesno = MessageBox.Show(filename + " size not recognized. Use Canvas Splitter?", "Unrecognized size", MessageBoxButtons.YesNo);
if (yesno != DialogResult.Yes)
{
return(null);
}
SizeChooser Chooser = new SizeChooser();
DialogResult success = Chooser.ShowDialog();
int sizeChoice = Chooser.choice;
Chooser.Dispose();
if (success == DialogResult.Cancel)
{
return(null);
}
int a = 80;
int b = 80;
if (sizeChoice == 0)
{
a = 64;
b = 64;
}
if (sizeChoice == 2)
{
a = 160;
}
if ((image.Width < a) || (image.Height < b))
{
MessageBox.Show("Image is too small");
return(null);
}
Bitmap[] tiles = Handler.Split(image, a, b);
SpriteCropper Cropper = new SpriteCropper(tiles, name);
success = Cropper.ShowDialog();
if (success == DialogResult.Cancel)
{
return(null);
}
image = Cropper.Chosen;
Cropper.Dispose();
}
}
if (AutoColor.Checked)
{
image.Palette = StandardizeColors(image);
}
byte check = Handler.PaletteSize(image);
if (check > 16)
{
yesno = MessageBox.Show("Image's palette contains more than sixteen colors. Attempt to shrink?", "Improper palette size", MessageBoxButtons.YesNo);
if (yesno == DialogResult.Yes)
{
image = Handler.ShrinkPalette(image);
check = Handler.PaletteSize(image);
if (check > 16)
{
MessageBox.Show("Palette still too large. Image will not save correctly.", "Failed");
}
}
}
if (image.Height == 64 && image.Width == 64)
{
image = Handler.Resize(image, 8, 8, 8, 8);
}
if (image.Height == 80 && image.Width == 80)
{
if ((spritenumber < 2) && (DPCheck.Checked == true))
{
image = Handler.Resize(image, 0, 0, 0, 80);
}
else
{
image = Handler.Concat(image, image);
}
}
if (image.Height == 80 && image.Width == 160)
{
return(image);
}
return(null);
}