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added sources for Slick

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Former-commit-id: 1647fa32ef6894bd7db44f741f07c2f4dcdf9054
Former-commit-id: 0e5810dcfbe1fd59b13e7cabe9f1e93c5542da2d
This commit is contained in:
Song Minjae
2016-12-30 23:29:12 +09:00
parent d24b31e15d
commit 059abff814
329 changed files with 58400 additions and 7 deletions
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86
lib/slick-source/org/newdawn/slick/imageout/TGAWriter.java Normal file
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package org.newdawn.slick.imageout;
import java.io.BufferedOutputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import org.newdawn.slick.Color;
import org.newdawn.slick.Image;
/**
* A utility to save TGA's given a Slick image.
*
* @author Jon
*/
public class TGAWriter implements ImageWriter {
/**
* Flip the endian-ness of the short
*
* @param signedShort The short to flip
* @return The flipped short
*/
private static short flipEndian(short signedShort) {
int input = signedShort & 0xFFFF;
return (short) (input << 8 | (input & 0xFF00) >>> 8);
}
/**
* @see org.newdawn.slick.imageout.ImageWriter#saveImage(org.newdawn.slick.Image, java.lang.String, java.io.OutputStream, boolean)
*/
public void saveImage(Image image, String format, OutputStream output, boolean writeAlpha) throws IOException {
DataOutputStream out = new DataOutputStream(new BufferedOutputStream(output));
// ID Length
out.writeByte((byte) 0);
// Color Map
out.writeByte((byte) 0);
// Image Type
out.writeByte((byte) 2);
// Color Map - Ignored
out.writeShort(flipEndian((short) 0));
out.writeShort(flipEndian((short) 0));
out.writeByte((byte) 0);
// X, Y Offset
out.writeShort(flipEndian((short) 0));
out.writeShort(flipEndian((short) 0));
// Width, Height, Depth
out.writeShort(flipEndian((short) image.getWidth()));
out.writeShort(flipEndian((short) image.getHeight()));
if (writeAlpha) {
out.writeByte((byte) 32);
// Image Descriptor (can't be 0 since we're using 32-bit TGAs)
// needs to not have 0x20 set to indicate it's not a flipped image
out.writeByte((byte) 1);
} else {
out.writeByte((byte) 24);
// Image Descriptor (must be 0 since we're using 24-bit TGAs)
// needs to not have 0x20 set to indicate it's not a flipped image
out.writeByte((byte) 0);
}
// Write out the image data
Color c;
for (int y = image.getHeight()-1; y <= 0; y--) {
for (int x = 0; x < image.getWidth(); x++) {
c = image.getColor(x, y);
out.writeByte((byte) (c.b * 255.0f));
out.writeByte((byte) (c.g * 255.0f));
out.writeByte((byte) (c.r * 255.0f));
if (writeAlpha) {
out.writeByte((byte) (c.a * 255.0f));
}
}
}
out.close();
}
}