limitNodeWidth, limitNodeHeight, and width/height properties in Markdown images (#1043)

* New image arguments format

* add ampersand support whoops

* first moves

* i think that's it for now

loader/include/Geode/utils/cocos.hpp

@@ -716,6 +716,24 @@ namespace geode::cocos {
      */
     GEODE_DLL void limitNodeSize(cocos2d::CCNode* node, cocos2d::CCSize const& size, float def, float min);
 
+    /**
+     * Rescale node to fit inside given width
+     * @param node Node to rescale
+     * @param width Width to fit inside
+     * @param def Default scale
+     * @param min Minimum scale
+     */
+    GEODE_DLL void limitNodeWidth(cocos2d::CCNode* node, float width, float def, float min);
+
+    /**
+     * Rescale node to fit inside given height
+     * @param node Node to rescale
+     * @param height Height to fit inside
+     * @param def Default scale
+     * @param min Minimum scale
+     */
+    GEODE_DLL void limitNodeHeight(cocos2d::CCNode* node, float height, float def, float min);
+
     /**
      * Checks if a node is visible (recursively
      * checks parent visibility)

loader/src/ui/nodes/MDTextArea.cpp

@@ -334,6 +334,8 @@ struct MDParser {
                         }
 
                         float spriteScale = 1.0f;
+                        float spriteWidth = 0.0f;
+                        float spriteHeight = 0.0f;
 
                         for (auto [key, value] : imgArguments) {
                             if (key == "scale") {
@@ -342,6 +344,18 @@ struct MDParser {
                                     spriteScale = *scaleRes;
                                 }
                             }
+                            else if (key == "width") {
+                                auto widthRes = utils::numFromString<float>(value);
+                                if (widthRes) {
+                                    spriteWidth = *widthRes;
+                                }
+                            }
+                            else if (key == "height") {
+                                auto heightRes = utils::numFromString<float>(value);
+                                if (heightRes) {
+                                    spriteHeight = *heightRes;
+                                }
+                            }
                         }
 
                         if (utils::string::startsWith(s_lastImage, "frame:")) {
@@ -357,6 +371,15 @@ struct MDParser {
                         }
                         if (spr && spr->getUserObject("geode.texture-loader/fallback") == nullptr) {
                             spr->setScale(spriteScale);
+                            if (spriteWidth > 0.0f && spriteHeight <= 0.0f) {
+                                limitNodeWidth(spr, spriteWidth, 999.f, .1f);
+                            }
+                            else if (spriteHeight > 0.0f && spriteWidth <= 0.0f) {
+                                limitNodeHeight(spr, spriteHeight, 999.f, .1f);
+                            }
+                            else if (spriteWidth > 0.0f && spriteHeight > 0.0f) {
+                                limitNodeSize(spr, { spriteWidth, spriteHeight }, 999.f, .1f);
+                            }
                             renderer->renderNode(spr);
                         }
                         else {

loader/src/utils/cocos.cpp

@@ -455,6 +455,14 @@ void geode::cocos::limitNodeSize(CCNode* spr, CCSize const& size, float def, flo
     spr->setScale(clamp(std::min(size.height / spr->getContentHeight(), size.width / spr->getContentWidth()), min, def));
 }
 
+void geode::cocos::limitNodeWidth(CCNode* spr, float width, float def, float min) {
+    spr->setScale(clamp(width / spr->getContentSize().width, min, def));
+}
+
+void geode::cocos::limitNodeHeight(CCNode* spr, float height, float def, float min) {
+    spr->setScale(clamp(height / spr->getContentSize().height, min, def));
+}
+
 bool geode::cocos::nodeIsVisible(CCNode* node) {
     if (!node->isVisible()) {
         return false;