package net.minecraft.util;
import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;
import java.awt.image.BufferedImage;
import java.io.File;
import java.nio.IntBuffer;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;
import javax.imageio.ImageIO;
import org.lwjgl.BufferUtils;
import org.lwjgl.opengl.GL11;
import org.lwjgl.opengl.GL12;
@SideOnly(Side.CLIENT)
public class ScreenShotHelper
{
private static final DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd_HH.mm.ss");
private static IntBuffer field_74293_b;
private static int[] field_74294_c;
/**
* Takes a screenshot and saves it to the screenshots directory. Returns the filename of the screenshot.
*/
public static String saveScreenshot(File par0File, int par1, int par2)
{
return func_74292_a(par0File, (String)null, par1, par2);
}
public static String func_74292_a(File par0File, String par1Str, int par2, int par3)
{
try
{
File var4 = new File(par0File, "screenshots");
var4.mkdir();
int var5 = par2 * par3;
if (field_74293_b == null || field_74293_b.capacity() < var5)
{
field_74293_b = BufferUtils.createIntBuffer(var5);
field_74294_c = new int[var5];
}
GL11.glPixelStorei(GL11.GL_PACK_ALIGNMENT, 1);
GL11.glPixelStorei(GL11.GL_UNPACK_ALIGNMENT, 1);
field_74293_b.clear();
GL11.glReadPixels(0, 0, par2, par3, GL12.GL_BGRA, GL12.GL_UNSIGNED_INT_8_8_8_8_REV, field_74293_b);
field_74293_b.get(field_74294_c);
func_74289_a(field_74294_c, par2, par3);
BufferedImage var6 = new BufferedImage(par2, par3, 1);
var6.setRGB(0, 0, par2, par3, field_74294_c, 0, par2);
File var7;
if (par1Str == null)
{
var7 = func_74290_a(var4);
}
else
{
var7 = new File(var4, par1Str);
}
ImageIO.write(var6, "png", var7);
return "Saved screenshot as " + var7.getName();
}
catch (Exception var8)
{
var8.printStackTrace();
return "Failed to save: " + var8;
}
}
private static File func_74290_a(File par0File)
{
String var2 = dateFormat.format(new Date()).toString();
int var3 = 1;
while (true)
{
File var1 = new File(par0File, var2 + (var3 == 1 ? "" : "_" + var3) + ".png");
if (!var1.exists())
{
return var1;
}
++var3;
}
}
private static void func_74289_a(int[] par0ArrayOfInteger, int par1, int par2)
{
int[] var3 = new int[par1];
int var4 = par2 / 2;
for (int var5 = 0; var5 < var4; ++var5)
{
System.arraycopy(par0ArrayOfInteger, var5 * par1, var3, 0, par1);
System.arraycopy(par0ArrayOfInteger, (par2 - 1 - var5) * par1, par0ArrayOfInteger, var5 * par1, par1);
System.arraycopy(var3, 0, par0ArrayOfInteger, (par2 - 1 - var5) * par1, par1);
}
}
}