make images in markdown use linear scaling

Author: DeDiamondPro

src/main/kotlin/dev/dediamondpro/resourcify/elements/markdown/ResourcifyMarkdownImageElement.kt

@@ -0,0 +1,65 @@
+/*
+ * This file is part of Resourcify
+ * Copyright (C) 2025 DeDiamondPro
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License Version 3 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package dev.dediamondpro.resourcify.elements.markdown
+
+import dev.dediamondpro.minemark.LayoutStyle
+import dev.dediamondpro.minemark.elementa.style.MarkdownStyle
+import dev.dediamondpro.minemark.elementa.util.EmptyImage
+import dev.dediamondpro.minemark.elements.Element
+import dev.dediamondpro.minemark.elements.impl.ImageElement
+import gg.essential.elementa.components.UIImage
+import gg.essential.universal.UMatrixStack
+import org.xml.sax.Attributes
+import java.awt.Color
+import java.awt.image.BufferedImage
+import java.util.concurrent.CompletableFuture
+
+
+// Custom markdown image element so we can draw images using linear interpolation instead of nearest
+// TODO: this should be merged into MineMark at some point
+class ResourcifyMarkdownImageElement(
+    style: MarkdownStyle,
+    layoutStyle: LayoutStyle,
+    parent: Element<MarkdownStyle, UMatrixStack>?,
+    qName: String, attributes: Attributes?
+) : ImageElement<MarkdownStyle, UMatrixStack, BufferedImage>(style, layoutStyle, parent, qName, attributes) {
+    private var uiImage: UIImage? = null
+
+    override fun drawImage(
+        image: BufferedImage,
+        x: Float,
+        y: Float,
+        width: Float,
+        height: Float,
+        matrixStack: UMatrixStack
+    ) {
+        if (uiImage == null) {
+            uiImage = UIImage(CompletableFuture.supplyAsync { image }, EmptyImage)
+            uiImage?.textureMinFilter = UIImage.TextureScalingMode.LINEAR_MIPMAP_LINEAR
+            uiImage?.textureMagFilter = UIImage.TextureScalingMode.LINEAR
+        }
+        uiImage?.drawImage(
+            matrixStack,
+            x.toDouble(),
+            y.toDouble(),
+            width.toDouble(),
+            height.toDouble(),
+            Color.WHITE
+        )
+    }
+}

src/main/kotlin/dev/dediamondpro/resourcify/util/ElementaUtils.kt

@@ -19,12 +19,18 @@ package dev.dediamondpro.resourcify.util
 
 import dev.dediamondpro.minemark.MineMarkCore
 import dev.dediamondpro.minemark.elementa.MineMarkComponent
-import dev.dediamondpro.minemark.elementa.addElementaExtensions
+import dev.dediamondpro.minemark.elementa.elements.MarkdownBlockquoteComponent
+import dev.dediamondpro.minemark.elementa.elements.MarkdownCodeBlockComponent
+import dev.dediamondpro.minemark.elementa.elements.MarkdownHeadingComponent
+import dev.dediamondpro.minemark.elementa.elements.MarkdownHorizontalRuleComponent
+import dev.dediamondpro.minemark.elementa.elements.MarkdownListElementComponent
+import dev.dediamondpro.minemark.elementa.elements.MarkdownTableCellComponent
+import dev.dediamondpro.minemark.elementa.elements.MarkdownTextComponent
 import dev.dediamondpro.minemark.elementa.style.MarkdownStyle
-import dev.dediamondpro.minemark.style.ImageStyleConfig
-import dev.dediamondpro.minemark.style.LinkStyleConfig
+import dev.dediamondpro.minemark.elements.Elements
 import dev.dediamondpro.resourcify.elements.McImage
 import dev.dediamondpro.resourcify.elements.markdown.ExpandableMarkdownElement
+import dev.dediamondpro.resourcify.elements.markdown.ResourcifyMarkdownImageElement
 import dev.dediamondpro.resourcify.elements.markdown.SummaryElement
 import dev.dediamondpro.resourcify.gui.data.Colors
 import dev.dediamondpro.resourcify.gui.data.Icons
@@ -126,7 +132,16 @@ object ElementaUtils {
         MineMarkCore.builder<MarkdownStyle, UMatrixStack>()
             .addExtension(StrikethroughExtension.create())
             .addExtension(TablesExtension.create())
-            .addElementaExtensions()
+            //.addElementaExtensions()
+            .setTextElement(::MarkdownTextComponent)
+            .addElement(Elements.HEADING, ::MarkdownHeadingComponent)
+            .addElement(Elements.IMAGE, ::ResourcifyMarkdownImageElement) // Custom element
+            .addElement(Elements.HORIZONTAL_RULE, ::MarkdownHorizontalRuleComponent)
+            .addElement(Elements.LIST_ELEMENT, ::MarkdownListElementComponent)
+            .addElement(Elements.BLOCKQUOTE, ::MarkdownBlockquoteComponent)
+            .addElement(Elements.CODE_BLOCK, ::MarkdownCodeBlockComponent)
+            .addElement(Elements.TABLE_CELL, ::MarkdownTableCellComponent)
+            // Other elements
             .addElement(ExpandableMarkdownElement.ExpandableElementCreator)
             .addElement(listOf("summary"), ::SummaryElement)
             .build()