/// <summary>
///
/// </summary>
/// <param name="frame">If the frame being constructed is a link frame, this parameter should be the linked frame.</param>
/// <param name="index"></param>
/// <param name="linkFrameIndex"></param>
public FrameMetadata(FrameInfo frame, int index, int? linkFrameIndex)
{
_index = index;
_width = frame.Width;
_height = frame.Height;
_x = frame.LocationX;
_y = frame.LocationY;
_linkFrameIndex = linkFrameIndex;
}
/// <summary>
/// Converts the raw pixel data of a frame into 32-bit RGBA format.
/// </summary>
/// <param name="rawPixelData"></param>
/// <param name="frameData"></param>
/// <returns></returns>
/// <exception cref="NpkException">The raw pixel data is not the expected size.</exception>
private byte[] ExpandPixelData(byte[] rawPixelData, FrameInfo frameData)
{
byte[] expandedPixelData = new byte[frameData.Width * frameData.Height * 4];
switch (frameData.PixelFormat)
{
case PixelDataFormat.OneFiveFiveFive:
// Make sure sizes match
if (rawPixelData.Length != frameData.Width * frameData.Height * 2)
{
throw new NpkException(
"Raw pixel data in 1555 format is {0} bytes. Expected it to be {1} bytes."
.F(rawPixelData.Length, frameData.Width * frameData.Height * 2));
}
for (int rawIndex = 0; rawIndex < frameData.Width * frameData.Height * 2; rawIndex += 2)
{
byte byte0 = rawPixelData[rawIndex];
byte byte1 = rawPixelData[rawIndex + 1];
byte a = (byte)(((byte1 & 0x80) >> 7) * 0xFF);
byte r = (byte)(((byte1 & 0x7C) << 1) | ((byte1 & 0x7C) >> 4));
byte g = (byte)(((byte1 & 0x03) << 6) | ((byte0 & 0xE0) >> 2));
g = (byte)(g | (g >> 5));
byte b = (byte)(((byte0 & 0x1F) << 3) | ((byte0 & 0x1F) >> 2));
int pixelIndex = rawIndex / 2;
int expandedIndex = pixelIndex * 4;
expandedPixelData[expandedIndex] = r;
expandedPixelData[expandedIndex + 1] = g;
expandedPixelData[expandedIndex + 2] = b;
expandedPixelData[expandedIndex + 3] = a;
}
break;
case PixelDataFormat.FourFourFourFour:
if (rawPixelData.Length != frameData.Width * frameData.Height * 2)
{
throw new NpkException(
"Raw pixel data in 4444 format is {0} bytes. Expected it to be {1} bytes."
.F(rawPixelData.Length, frameData.Width * frameData.Height * 2));
}
for (int rawIndex = 0; rawIndex < frameData.Width * frameData.Height * 2; rawIndex += 2)
{
byte byte0 = rawPixelData[rawIndex];
byte byte1 = rawPixelData[rawIndex + 1];
byte a = (byte)(byte1 & 0xF0);
a = (byte)(a | (a >> 4));
byte r = (byte)(byte1 & 0x0F);
r = (byte)(r | (r << 4));
byte g = (byte)(byte0 & 0xF0);
g = (byte)(g | (g >> 4));
byte b = (byte)(byte0 & 0x0F);
b = (byte)(b | (b << 4));
int pixelIndex = rawIndex / 2;
int expandedIndex = pixelIndex * 4;
expandedPixelData[expandedIndex] = r;
expandedPixelData[expandedIndex + 1] = g;
expandedPixelData[expandedIndex + 2] = b;
expandedPixelData[expandedIndex + 3] = a;
}
break;
case PixelDataFormat.EightEightEightEight:
if (rawPixelData.Length != frameData.Width * frameData.Height * 4)
{
throw new NpkException(
"Raw pixel data in 8888 format is {0} bytes. Expected it to be {1} bytes."
.F(rawPixelData.Length, frameData.Width * frameData.Height * 4));
}
for (int rawIndex = 0; rawIndex < frameData.Width * frameData.Height * 4; rawIndex += 4)
{
byte r = rawPixelData[rawIndex + 2];
byte g = rawPixelData[rawIndex + 1];
byte b = rawPixelData[rawIndex];
byte a = rawPixelData[rawIndex + 3];
expandedPixelData[rawIndex] = r;
expandedPixelData[rawIndex + 1] = g;
expandedPixelData[rawIndex + 2] = b;
expandedPixelData[rawIndex + 3] = a;
}
break;
}
return expandedPixelData;
}
/// <summary>
///
/// </summary>
/// <param name="imgPath"></param>
/// <param name="frameIndex"></param>
/// <param name="pngFilePath"></param>
/// <exception cref="DFOToolbox.DFOToolboxException">Something went wrong while editing. Message is suitable for UI display.</exception>
/// <exception cref="System.Exception">Other errors resulting from incorrect usage of this function, such as passing null arguments or trying to edit a frame while no file is open.</exception>
public void EditFrame(string imgPath, int frameIndex, string pngFilePath)
{
// validate that we have a file open for editing, that it has the img, that it has the frame index, that the file exists
imgPath.ThrowIfNull("imgPath");
pngFilePath.ThrowIfNull("pngFileName");
if (!_editor.IsOpen)
{
throw new InvalidOperationException("Cannot edit a frame because no file is currently open.");
}
NpkPath npkPath = imgPath;
if (!_editor.Frames.ContainsKey(npkPath))
{
throw new KeyNotFoundException("There is no img with path {0}.".F(imgPath));
}
if (frameIndex >= _editor.Frames[npkPath].Count)
{
throw new ArgumentOutOfRangeException("{0} does not have a frame with index {1}.".F(imgPath, frameIndex));
}
FrameInfo uneditedFrameMetadata = _editor.Frames[npkPath][frameIndex];
// Use same pixel format as original.
// If it's a link frame, we're turning it into a non-link frame, so use 8888 as that will preserve the colors of the new image.
PixelDataFormat pixelFormatToUse = uneditedFrameMetadata.PixelFormat;
if (pixelFormatToUse == PixelDataFormat.Link)
{
pixelFormatToUse = PixelDataFormat.EightEightEightEight;
}
if (!File.Exists(pngFilePath))
{
throw new DFOToolboxException("{0} does not exist.".F(pngFilePath));
}
byte[] newImageBytesInCorrectFormat;
int newImageWidth;
int newImageHeight;
// Load image pixels into memory
// TODO: catch exceptions
using (System.Drawing.Bitmap inputImage = new System.Drawing.Bitmap(pngFilePath))
{
// need to get pixels into format used by image
newImageBytesInCorrectFormat = PixelConversion.Convert(inputImage, pixelFormatToUse);
newImageWidth = inputImage.Width;
newImageHeight = inputImage.Height;
}
using (MemoryStream newImageBytesInCorrectFormatStream = new MemoryStream(newImageBytesInCorrectFormat))
{
FrameInfo newFrameMetadata = new FrameInfo(
isCompressed: uneditedFrameMetadata.IsCompressed,
compressedLength: -1, // not used
pixelFormat: pixelFormatToUse,
width: newImageWidth,
height: newImageHeight,
locationX: uneditedFrameMetadata.LocationX,
locationY: uneditedFrameMetadata.LocationY,
maxWidth: uneditedFrameMetadata.MaxWidth,
maxHeight: uneditedFrameMetadata.MaxHeight
);
_editor.EditFrame(npkPath, frameIndex, newFrameMetadata, newImageBytesInCorrectFormatStream);
}
// XXX: This code assumes the imgPath passed in is currently selected
RefreshFrameList();
FrameList.MoveCurrentToPosition(frameIndex);
}
public Image(byte[] pixelData, FrameInfo attributes)
{
PixelData = pixelData;
Attributes = attributes;
}