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package io.polyfrost.oneconfig.lwjgl.image;
import io.polyfrost.oneconfig.lwjgl.IOUtil;
import org.lwjgl.nanovg.NSVGImage;
import org.lwjgl.nanovg.NanoSVG;
import org.lwjgl.nanovg.NanoVG;
import org.lwjgl.stb.STBImage;
import java.nio.ByteBuffer;
import java.util.HashMap;
public class ImageLoader {
private final HashMap<String, Image> imageHashMap = new HashMap<>();
private final HashMap<String, NSVGImage> NSVGImageHashMap = new HashMap<>();
public static ImageLoader INSTANCE = new ImageLoader();
public boolean loadImage(long vg, String fileName) {
if (!imageHashMap.containsKey(fileName)) {
int[] width = {0};
int[] height = {0};
int[] channels = {0};
ByteBuffer image = IOUtil.resourceToByteBufferNullable(fileName);
if (image == null) {
return false;
}
ByteBuffer buffer = STBImage.stbi_load_from_memory(image, width, height, channels, 4);
if (buffer == null) {
return false;
}
imageHashMap.put(fileName, new Image(NanoVG.nvgCreateImageRGBA(vg, width[0], height[0], NanoVG.NVG_IMAGE_REPEATX | NanoVG.NVG_IMAGE_REPEATY | NanoVG.NVG_IMAGE_GENERATE_MIPMAPS, buffer), buffer));
return true;
}
return true;
}
public boolean loadSVGImage(String fileName) {
if(!NSVGImageHashMap.containsKey(fileName)) {
try {
NSVGImageHashMap.put(fileName, NanoSVG.nsvgParseFromFile(fileName, "px", 96f));
} catch (Exception e) { // just in case
System.err.println("Failed to parse SVG file");
return false;
}
return true;
}
return true;
}
public Image getImage(String fileName) {
return imageHashMap.get(fileName);
}
public NSVGImage getSVG(String fileName) {
return NSVGImageHashMap.get(fileName);
}
}
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