From 372d97fee538f86c8333fbbde43cf51484b8ac67 Mon Sep 17 00:00:00 2001
From: sowgro <tpoke.ferrari@gmail.com>
Date: Sat, 6 May 2023 14:56:46 -0400
Subject: Add JavaFX and seperate source and class files
---
dropShadow/ShadowRenderer.java | 185 -----------------------------------------
1 file changed, 185 deletions(-)
delete mode 100644 dropShadow/ShadowRenderer.java
(limited to 'dropShadow/ShadowRenderer.java')
diff --git a/dropShadow/ShadowRenderer.java b/dropShadow/ShadowRenderer.java
deleted file mode 100644
index d80d2c8..0000000
--- a/dropShadow/ShadowRenderer.java
+++ /dev/null
@@ -1,185 +0,0 @@
-package dropShadow;
-
-import java.awt.Color;
-import java.awt.image.BufferedImage;
-
-public class ShadowRenderer {
-
- // size of the shadow in pixels (defines the fuzziness)
- private int size = 5;
-
- // opacity of the shadow
- private float opacity = 0.5f;
-
- // color of the shadow
- private Color color = Color.BLACK;
-
- public ShadowRenderer() {
- this(5, 0.5f, Color.BLACK);
- }
-
- public ShadowRenderer(final int size, final float opacity, final Color color) {
- this.size = size;
- this.opacity = opacity;
- this.color = color;
- }
-
- public Color getColor() {
- return color;
- }
-
- public float getOpacity() {
- return opacity;
- }
-
- public int getSize() {
- return size;
- }
-
- public BufferedImage createShadow(final BufferedImage image) {
- // Written by Sesbastien Petrucci
- int shadowSize = size * 2;
-
- int srcWidth = image.getWidth();
- int srcHeight = image.getHeight();
-
- int dstWidth = srcWidth + shadowSize;
- int dstHeight = srcHeight + shadowSize;
-
- int left = size;
- int right = shadowSize - left;
-
- int yStop = dstHeight - right;
-
- int shadowRgb = color.getRGB() & 0x00FFFFFF;
- int[] aHistory = new int[shadowSize];
- int historyIdx;
-
- int aSum;
-
- BufferedImage dst = new BufferedImage(dstWidth, dstHeight,
- BufferedImage.TYPE_INT_ARGB);
-
- int[] dstBuffer = new int[dstWidth * dstHeight];
- int[] srcBuffer = new int[srcWidth * srcHeight];
-
- GraphicsUtilities.getPixels(image, 0, 0, srcWidth, srcHeight, srcBuffer);
-
- int lastPixelOffset = right * dstWidth;
- float hSumDivider = 1.0f / shadowSize;
- float vSumDivider = opacity / shadowSize;
-
- int[] hSumLookup = new int[256 * shadowSize];
- for (int i = 0; i < hSumLookup.length; i++) {
- hSumLookup[i] = (int) (i * hSumDivider);
- }
-
- int[] vSumLookup = new int[256 * shadowSize];
- for (int i = 0; i < vSumLookup.length; i++) {
- vSumLookup[i] = (int) (i * vSumDivider);
- }
-
- int srcOffset;
-
- // horizontal pass : extract the alpha mask from the source picture and
- // blur it into the destination picture
- for (int srcY = 0, dstOffset = left * dstWidth; srcY < srcHeight; srcY++) {
-
- // first pixels are empty
- for (historyIdx = 0; historyIdx < shadowSize;) {
- aHistory[historyIdx++] = 0;
- }
-
- aSum = 0;
- historyIdx = 0;
- srcOffset = srcY * srcWidth;
-
- // compute the blur average with pixels from the source image
- for (int srcX = 0; srcX < srcWidth; srcX++) {
-
- int a = hSumLookup[aSum];
- dstBuffer[dstOffset++] = a << 24; // store the alpha value only
- // the shadow color will be added in the next pass
-
- aSum -= aHistory[historyIdx]; // substract the oldest pixel from the sum
-
- // extract the new pixel ...
- a = srcBuffer[srcOffset + srcX] >>> 24;
- aHistory[historyIdx] = a; // ... and store its value into history
- aSum += a; // ... and add its value to the sum
-
- if (++historyIdx >= shadowSize) {
- historyIdx -= shadowSize;
- }
- }
-
- // blur the end of the row - no new pixels to grab
- for (int i = 0; i < shadowSize; i++) {
-
- int a = hSumLookup[aSum];
- dstBuffer[dstOffset++] = a << 24;
-
- // substract the oldest pixel from the sum ... and nothing new to add !
- aSum -= aHistory[historyIdx];
-
- if (++historyIdx >= shadowSize) {
- historyIdx -= shadowSize;
- }
- }
- }
-
- // vertical pass
- for (int x = 0, bufferOffset = 0; x < dstWidth; x++, bufferOffset = x) {
-
- aSum = 0;
-
- // first pixels are empty
- for (historyIdx = 0; historyIdx < left;) {
- aHistory[historyIdx++] = 0;
- }
-
- // and then they come from the dstBuffer
- for (int y = 0; y < right; y++, bufferOffset += dstWidth) {
- int a = dstBuffer[bufferOffset] >>> 24; // extract alpha
- aHistory[historyIdx++] = a; // store into history
- aSum += a; // and add to sum
- }
-
- bufferOffset = x;
- historyIdx = 0;
-
- // compute the blur avera`ge with pixels from the previous pass
- for (int y = 0; y < yStop; y++, bufferOffset += dstWidth) {
-
- int a = vSumLookup[aSum];
- dstBuffer[bufferOffset] = a << 24 | shadowRgb; // store alpha value + shadow color
-
- aSum -= aHistory[historyIdx]; // substract the oldest pixel from the sum
-
- a = dstBuffer[bufferOffset + lastPixelOffset] >>> 24; // extract the new pixel ...
- aHistory[historyIdx] = a; // ... and store its value into history
- aSum += a; // ... and add its value to the sum
-
- if (++historyIdx >= shadowSize) {
- historyIdx -= shadowSize;
- }
- }
-
- // blur the end of the column - no pixels to grab anymore
- for (int y = yStop; y < dstHeight; y++, bufferOffset += dstWidth) {
-
- int a = vSumLookup[aSum];
- dstBuffer[bufferOffset] = a << 24 | shadowRgb;
-
- aSum -= aHistory[historyIdx]; // substract the oldest pixel from the sum
-
- if (++historyIdx >= shadowSize) {
- historyIdx -= shadowSize;
- }
- }
- }
-
- GraphicsUtilities.setPixels(dst, 0, 0, dstWidth, dstHeight, dstBuffer);
- return dst;
- }
-}
--
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