LegacyConsole/jpexs-decompiler
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faster image rendering when layer has filters (only the required area is rendered)

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Honfika
2014-03-03 22:29:06 +01:00
parent 45660f5408
commit 7a5474bd15
11 changed files with 126 additions and 13 deletions
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45
trunk/src/com/jpexs/decompiler/flash/SWF.java
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@@ -2454,14 +2454,45 @@ public final class SWF implements TreeItem {
rect = mat.transform(rect);
Matrix m = mat.clone();
if (layer.filters != null) {
// needs the whole size because of the filters
img = new SerializableImage(image.getWidth(), image.getHeight(), SerializableImage.TYPE_INT_ARGB);
} else {
img = new SerializableImage((int) (rect.getWidth() / SWF.unitDivisor) + 1,
(int) (rect.getHeight() / SWF.unitDivisor) + 1, SerializableImage.TYPE_INT_ARGB);
m.translate(-rect.xMin, -rect.yMin);
drawMatrix.translate(rect.xMin, rect.yMin);
// calculate size after applying the filters
double deltaXMax = 0;
double deltaYMax = 0;
for (FILTER filter : layer.filters) {
double x = filter.getDeltaX();
double y = filter.getDeltaY();
deltaXMax = Math.max(x, deltaXMax);
deltaYMax = Math.max(y, deltaYMax);
}
rect.xMin -= deltaXMax * SWF.unitDivisor;
rect.xMax += deltaXMax * SWF.unitDivisor;
rect.yMin -= deltaYMax * SWF.unitDivisor;
rect.yMax += deltaYMax * SWF.unitDivisor;
}
// align to whole pixels
rect.xMin = (int) (Math.floor(rect.xMin / SWF.unitDivisor) * SWF.unitDivisor);
rect.yMin = (int) (Math.floor(rect.yMin / SWF.unitDivisor) * SWF.unitDivisor);
rect.xMax = (int) (Math.ceil(rect.xMax / SWF.unitDivisor) * SWF.unitDivisor);
rect.yMax = (int) (Math.ceil(rect.yMax / SWF.unitDivisor) * SWF.unitDivisor);
rect.xMin = Math.max(0, rect.xMin);
rect.yMin = Math.max(0, rect.yMin);
int newWidth = (int) (rect.getWidth() / SWF.unitDivisor);
int newHeight = (int) (rect.getHeight() / SWF.unitDivisor);
int deltaX = (int) (rect.xMin / SWF.unitDivisor);
int deltaY = (int) (rect.yMin / SWF.unitDivisor);
newWidth = Math.min(image.getWidth() - deltaX, newWidth);
newHeight = Math.min(image.getHeight() - deltaY, newHeight);
if (newWidth <= 0 || newHeight <= 0) {
continue;
}
img = new SerializableImage(newWidth, newHeight, SerializableImage.TYPE_INT_ARGB);
m.translate(-rect.xMin, -rect.yMin);
drawMatrix.translate(rect.xMin, rect.yMin);
//Make all pixels transparent
Graphics2D gr = (Graphics2D) img.getGraphics();
gr.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR);