ResizeOp.java
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/*
* Decompiled with CFR 0_118.
*/
package com.day.image;
import com.day.image.AbstractBufferedImageOp;
import java.awt.*;
import java.awt.geom.Point2D;
import java.awt.geom.Rectangle2D;
import java.awt.image.BufferedImage;
public class ResizeOp
extends AbstractBufferedImageOp {
private final double scaleX;
private final double scaleY;
private boolean fast;
public ResizeOp(double scaleX, double scaleY, RenderingHints hints) {
super(hints);
this.scaleX = scaleX;
this.scaleY = scaleY;
}
public ResizeOp(double scaleX, double scaleY) {
this(scaleX, scaleY, null);
}
public ResizeOp(double scale) {
this(scale, scale);
}
public Rectangle2D getBounds2D(BufferedImage src) {
int nw = (int)Math.ceil((double)src.getWidth() * this.scaleX);
int nh = (int)Math.ceil((double)src.getHeight() * this.scaleY);
return new Rectangle2D.Double(0.0, 0.0, nw, nh);
}
public Point2D getPoint2D(Point2D srcPt, Point2D dstPt) {
if (dstPt == null) {
dstPt = new Point2D.Float();
}
dstPt.setLocation(srcPt.getX() * this.scaleX, srcPt.getY() * this.scaleY);
return dstPt;
}
public boolean isFast() {
return this.fast;
}
public void setFast(boolean fast) {
this.fast = fast;
}
protected void doFilter(BufferedImage src, BufferedImage dst) {
if (this.fast) {
ResizeOp.doFilter_progressive(src, dst);
} else {
ResizeOp.doFilter_weighted(src, dst);
}
}
private static void doFilter_bicubic(BufferedImage src, BufferedImage dst) {
Graphics2D g = dst.createGraphics();
g.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC);
g.drawImage(src, 0, 0, dst.getWidth(), dst.getHeight(), null);
g.dispose();
}
private static void doFilter_bilinear(BufferedImage src, BufferedImage dst) {
Graphics2D g = dst.createGraphics();
g.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR);
g.drawImage(src, 0, 0, dst.getWidth(), dst.getHeight(), null);
g.dispose();
}
static void doFilter_progressive(BufferedImage src, BufferedImage dst) {
int dw = dst.getWidth() * 2;
int dh = dst.getHeight() * 2;
BufferedImage ori = src;
while (src.getWidth() > dw && src.getHeight() > dh) {
int type;
BufferedImage tmp = new BufferedImage(src.getWidth() / 2, src.getHeight() / 2, (type = src.getType()) == 0 ? 2 : type);
ResizeOp.doFilter_bilinear(src, tmp);
if (src != ori) {
src.flush();
}
src = tmp;
}
ResizeOp.doFilter_bilinear(src, dst);
if (src != ori) {
src.flush();
}
}
/*
* Unable to fully structure code
* Enabled aggressive block sorting
* Lifted jumps to return sites
*/
private static void doFilter_weighted(BufferedImage src, BufferedImage dst) {
ow = src.getWidth();
oh = src.getHeight();
nw = dst.getWidth();
nh = dst.getHeight();
blockWidth = ow > nw ? ow : nw;
scaleCacheSize = 0;
if (oh > nh) {
srcChunkStep = srcChunkHeight = ResizeOp.divideAndRoundUp(oh, nh);
dstChunkStep = 1;
dstChunkHeight = 1;
blockHeight = srcChunkHeight;
init_s = nh;
scaleCacheSize = nw;
} else if (oh < nh) {
srcChunkHeight = 1;
srcChunkStep = 1;
blockHeight = dstChunkHeight = (dstChunkStep = ResizeOp.divideAndRoundUp(nh, oh));
init_s = oh;
scaleCacheSize = nw;
} else {
dstChunkStep = 1;
dstChunkHeight = 1;
srcChunkStep = 1;
blockHeight = srcChunkHeight = 1;
init_s = nh;
}
sr = new int[blockWidth * blockHeight];
sg = new int[blockWidth * blockHeight];
sb = new int[blockWidth * blockHeight];
sa = new int[blockWidth * blockHeight];
dr = new int[blockWidth * blockHeight];
dg = new int[blockWidth * blockHeight];
db = new int[blockWidth * blockHeight];
da = new int[blockWidth * blockHeight];
ccr = new int[scaleCacheSize];
ccg = new int[scaleCacheSize];
ccb = new int[scaleCacheSize];
cca = new int[scaleCacheSize];
srcRas = src.getRaster();
dstRas = dst.getRaster();
srcChunkTop = 0;
dstChunkTop = 0;
block0 : do {
if (srcChunkTop >= oh) return;
if (srcChunkTop + srcChunkHeight > oh) {
srcChunkHeight = oh - srcChunkTop;
}
srcRas.getSamples(0, srcChunkTop, ow, srcChunkHeight, 0, sr);
srcRas.getSamples(0, srcChunkTop, ow, srcChunkHeight, 1, sg);
srcRas.getSamples(0, srcChunkTop, ow, srcChunkHeight, 2, sb);
srcRas.getSamples(0, srcChunkTop, ow, srcChunkHeight, 3, sa);
if (nw >= ow) ** GOTO lbl55
oi = 0;
ni = 0;
** GOTO lbl59
lbl55: // 1 sources:
if (nw <= ow) ** GOTO lbl105
oi = 0;
ni = 0;
** GOTO lbl85
lbl59: // 2 sources:
for (oy = 0; oy < srcChunkHeight; ++oy) {
s = nw;
cr = 0;
cg = 0;
cb = 0;
ca = 0;
for (ox = 0; ox < ow; ++ox, s += nw, ++oi) {
if (s >= ow) {
a = ow - s + nw;
dr[ni] = (cr += sr[oi] * a) / ow;
dg[ni] = (cg += sg[oi] * a) / ow;
db[ni] = (cb += sb[oi] * a) / ow;
da[ni] = (ca += sa[oi] * a) / ow;
++ni;
cr = sr[oi] * (s -= ow);
cg = sg[oi] * s;
cb = sb[oi] * s;
ca = sa[oi] * s;
continue;
}
cr += sr[oi] * nw;
cg += sg[oi] * nw;
cb += sb[oi] * nw;
ca += sa[oi] * nw;
}
}
** GOTO lbl105
lbl85: // 2 sources:
for (oy = 0; oy < srcChunkHeight; ++oy) {
ox = 0;
s = ow;
for (nx = 0; nx < nw; ++nx, s += ow, ++ni) {
if (s >= nw) {
a = nw - s + ow;
oi1 = ox < ow - 1 ? oi + 1 : oi;
dr[ni] = (sr[oi] * a + sr[oi1] * (s -= nw)) / ow;
dg[ni] = (sg[oi] * a + sg[oi1] * s) / ow;
db[ni] = (sb[oi] * a + sb[oi1] * s) / ow;
da[ni] = (sa[oi] * a + sa[oi1] * s) / ow;
++oi;
++ox;
continue;
}
dr[ni] = sr[oi];
dg[ni] = sg[oi];
db[ni] = sb[oi];
da[ni] = sa[oi];
}
}
lbl105: // 3 sources:
if (nw == ow && nh == oh || nw != ow && nh != oh) {
tr = sr;
tg = sg;
tb = sb;
ta = sa;
sr = dr;
sg = dg;
sb = db;
sa = da;
dr = tr;
dg = tg;
db = tb;
da = ta;
}
if (nh >= oh) ** GOTO lbl128
if (srcChunkTop == 0) {
for (i = 0; i < nw; ++i) {
ccr[i] = sr[i] * nh;
ccg[i] = sg[i] * nh;
ccb[i] = sb[i] * nh;
cca[i] = sa[i] * nh;
init_s = 2 * nh;
}
}
** GOTO lbl163
lbl128: // 1 sources:
if (nh <= oh) ** GOTO lbl181
if (srcChunkTop != 0) ** GOTO lbl136
System.arraycopy(sr, 0, ccr, 0, nw);
System.arraycopy(sg, 0, ccg, 0, nw);
System.arraycopy(sb, 0, ccb, 0, nw);
System.arraycopy(sa, 0, cca, 0, nw);
dstChunkTop -= dstChunkStep;
** GOTO lbl187
lbl136: // 1 sources:
s = init_s;
ni = 0;
for (ny = 0; ny < dstChunkHeight; ++ny, s += oh, ni += nw) {
if (s < nh) {
System.arraycopy(ccr, 0, dr, ni, nw);
System.arraycopy(ccg, 0, dg, ni, nw);
System.arraycopy(ccb, 0, db, ni, nw);
System.arraycopy(cca, 0, da, ni, nw);
continue;
}
a = nh - s + oh;
s -= nh;
for (ox = 0; ox < nw; ++ox) {
dr[ni + ox] = (ccr[ox] * a + sr[ox] * s) / oh;
dg[ni + ox] = (ccg[ox] * a + sg[ox] * s) / oh;
db[ni + ox] = (ccb[ox] * a + sb[ox] * s) / oh;
da[ni + ox] = (cca[ox] * a + sa[ox] * s) / oh;
}
System.arraycopy(sr, 0, ccr, 0, nw);
System.arraycopy(sg, 0, ccg, 0, nw);
System.arraycopy(sb, 0, ccb, 0, nw);
System.arraycopy(sa, 0, cca, 0, nw);
init_s = s + oh;
dstChunkStep = ny + 1;
break;
}
if (srcChunkTop + srcChunkStep >= oh && dstChunkTop + dstChunkStep < nh) {
srcChunkTop -= srcChunkStep;
}
** GOTO lbl181
lbl163: // 1 sources:
start_s = init_s;
ox = 0;
do {
if (ox < nw) {
cr = ccr[ox];
cg = ccg[ox];
cb = ccb[ox];
ca = cca[ox];
s = start_s;
oy = 0;
oi = ox;
ni = ox;
} else {
srcChunkStep = srcChunkHeight;
sum = oh - init_s + nh;
srcChunkHeight = sum / nh;
if (srcChunkHeight * nh != sum) {
++srcChunkHeight;
}
lbl181: // 5 sources:
if (dstChunkTop + dstChunkStep > nh) {
dstChunkStep = nh - dstChunkTop;
}
dstRas.setSamples(0, dstChunkTop, nw, dstChunkStep, 0, dr);
dstRas.setSamples(0, dstChunkTop, nw, dstChunkStep, 1, dg);
dstRas.setSamples(0, dstChunkTop, nw, dstChunkStep, 2, db);
dstRas.setSamples(0, dstChunkTop, nw, dstChunkStep, 3, da);
lbl187: // 2 sources:
srcChunkTop += srcChunkStep;
dstChunkTop += dstChunkStep;
continue block0;
}
while (oy < dstChunkHeight) {
if (s >= oh) {
a = oh - s + nh;
dr[ni] = (cr += sr[oi] * a) / oh;
dg[ni] = (cg += sg[oi] * a) / oh;
db[ni] = (cb += sb[oi] * a) / oh;
da[ni] = (ca += sa[oi] * a) / oh;
++oy;
ni += nw;
cr = sr[oi] * (s -= oh);
cg = sg[oi] * s;
cb = sb[oi] * s;
ca = sa[oi] * s;
} else {
cr += sr[oi] * nh;
cg += sg[oi] * nh;
cb += sb[oi] * nh;
ca += sa[oi] * nh;
}
s += nh;
oi += nw;
}
ccr[ox] = cr;
ccg[ox] = cg;
ccb[ox] = cb;
cca[ox] = ca;
init_s = s;
++ox;
} while (true);
break;
} while (true);
}
private static int divideAndRoundUp(int a, int b) {
return (a + b - 1) / b;
}
}