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Implement stitched image support

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Astrash
2023-03-01 13:26:18 +11:00
parent d3e0831d9e
commit 6efff02c19
3 changed files with 152 additions and 0 deletions
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2
common/addons/library-image/src/main/java/com/dfsek/terra/addons/image/ImageLibraryAddon.java
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@@ -5,6 +5,7 @@ import com.dfsek.tectonic.api.config.template.object.ObjectTemplate;
import java.util.function.Supplier;
import com.dfsek.terra.addons.image.config.image.ImageTemplate;
import com.dfsek.terra.addons.image.config.image.StitchedImageTemplate;
import com.dfsek.terra.addons.image.config.sampler.ConstantColorSamplerTemplate;
import com.dfsek.terra.addons.image.config.sampler.image.SingleImageColorSamplerTemplate;
import com.dfsek.terra.addons.image.config.sampler.image.TileImageColorSamplerTemplate;
@@ -47,6 +48,7 @@ public class ImageLibraryAddon implements AddonInitializer {
ConfigPack pack = event.getPack();
CheckedRegistry<Supplier<ObjectTemplate<Image>>> imageRegistry = pack.getOrCreateRegistry(IMAGE_REGISTRY_KEY);
imageRegistry.register(addon.key("BITMAP"), () -> new ImageTemplate(pack.getLoader(), pack));
imageRegistry.register(addon.key("STITCHED_BITMAP"), () -> new StitchedImageTemplate(pack.getLoader(), pack));
})
.then(event -> {
CheckedRegistry<Supplier<ObjectTemplate<ColorSampler>>> colorSamplerRegistry = event.getPack().getOrCreateRegistry(

76
common/addons/library-image/src/main/java/com/dfsek/terra/addons/image/config/image/StitchedImageTemplate.java Normal file
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@@ -0,0 +1,76 @@
package com.dfsek.terra.addons.image.config.image;
import com.dfsek.tectonic.api.config.template.ValidatedConfigTemplate;
import com.dfsek.tectonic.api.config.template.annotations.Default;
import com.dfsek.tectonic.api.config.template.annotations.Value;
import com.dfsek.tectonic.api.config.template.object.ObjectTemplate;
import com.dfsek.tectonic.api.exception.ValidationException;
import java.io.IOException;
import com.dfsek.terra.addons.image.image.Image;
import com.dfsek.terra.addons.image.image.StitchedImage;
import com.dfsek.terra.api.config.ConfigPack;
import com.dfsek.terra.api.config.Loader;
public class StitchedImageTemplate implements ObjectTemplate<Image>, ValidatedConfigTemplate {
@Value("path-format")
private String path;
@Value("rows")
private int rows;
@Value("columns")
private int cols;
@Value("zero-indexed")
@Default
private boolean zeroIndexed = false;
private final Loader files;
private final ConfigPack pack;
public StitchedImageTemplate(Loader files, ConfigPack pack) {
this.files = files;
this.pack = pack;
}
@Override
public Image get() {
Image[][] grid = new Image[rows][cols];
for(int i = 0; i < rows; i++) {
for(int j = 0; j < cols; j++) {
try {
grid[i][j] = ImageCache.load(getFormattedPath(i, j), pack, files);
} catch(IOException e) {
throw new RuntimeException(e);
}
}
}
return new StitchedImage(grid, zeroIndexed);
}
private String getFormattedPath(int row, int column) {
if (!zeroIndexed) {
row++;
column++;
}
return path.replaceFirst("\\{row}", String.valueOf(row)).replaceFirst("\\{column}", String.valueOf(column));
}
@Override
public boolean validate() throws ValidationException {
if(!path.contains("{row}"))
throw new ValidationException("Path format does not contain sequence '{row}'");
if(!path.contains("{column}"))
throw new ValidationException("Path format does not contain sequence '{column}'");
if(rows < 1)
throw new ValidationException("Must have at least one row");
if(cols < 1)
throw new ValidationException("Must have at least one column");
return true;
}
}

74
common/addons/library-image/src/main/java/com/dfsek/terra/addons/image/image/StitchedImage.java Normal file
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@@ -0,0 +1,74 @@
package com.dfsek.terra.addons.image.image;
public class StitchedImage implements Image {
private final Image[][] images;
private final int[] rowOffsets, columnOffsets;
private final int width, height;
public StitchedImage(Image[][] images, boolean zeroIndexed) throws IllegalArgumentException {
int width = 0;
int height = 0;
int rows = images.length;
int columns = images[0].length;
this.rowOffsets = new int[rows];
this.columnOffsets = new int[columns];
for(int i = 0; i < rows; i++) {
int rowHeight = images[i][0].getHeight();
rowOffsets[i] = height;
height += rowHeight;
for(int j = 1; j < columns; j++) {
if(images[i][j].getHeight() != rowHeight)
throw new IllegalArgumentException("Image heights in row " + (i + (zeroIndexed ? 0 : 1)) + " do not match");
}
}
for(int i = 0; i < columns; i++) {
int columnWidth = images[0][i].getWidth();
columnOffsets[i] = width;
width += columnWidth;
for(int j = 1; j < rows; j++) {
if(images[i][j].getWidth() != columnWidth)
throw new IllegalArgumentException("Image widths in column " + (i + (zeroIndexed ? 0 : 1)) + " do not match");
}
}
this.width = width;
this.height = height;
this.images = images;
}
private int getColumn(int x) {
for(int i = columnOffsets.length-1; i > 0; i--) {
if(x >= columnOffsets[i])
return i;
}
return 0;
}
private int getRow(int y) {
for(int i = rowOffsets.length-1; i > 0; i--) {
if(y >= rowOffsets[i])
return i;
}
return 0;
}
@Override
public int getRGB(int x, int y) {
int row = getRow(y);
int column = getColumn(x);
return images[row][column].getRGB(x-columnOffsets[column], y-rowOffsets[row]);
}
@Override
public int getWidth() {
return width;
}
@Override
public int getHeight() {
return height;
}
}