Merge 79cf2419e0 into 6cb9c7c483

clay.h

@@ -21,6 +21,14 @@
 #ifndef CLAY_HEADER
 #define CLAY_HEADER
 
+#if !( \
+    (defined(__cplusplus) && __cplusplus >= 202002L) || \
+    (defined(__STDC__) && __STDC__ == 1 && defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) || \
+    defined(_MSC_VER) \
+)
+#error "Clay requires C99, C++20, or MSVC"
+#endif
+
 #ifdef CLAY_WASM
 #define CLAY_WASM_EXPORT(name) __attribute__((export_name(name)))
 #else
@@ -2392,6 +2400,7 @@ void Clay__CalculateFinalLayout(void) {
                 Clay__WrappedTextLineArray_Add(&Clay__wrappedTextLines, CLAY__INIT(Clay__WrappedTextLine) { { measuredWord->width, lineHeight }, { .length = measuredWord->length, .chars = &textElementData->text.chars[measuredWord->startOffset] } });
                 textElementData->wrappedLines.length++;
                 wordIndex = measuredWord->next;
+                lineStartOffset = measuredWord->startOffset + measuredWord->length;
             }
             // measuredWord->length == 0 means a newline character
             else if (measuredWord->length == 0 || lineWidth + measuredWord->width > containerElement->dimensions.width) {

examples/clay-official-website/index.html

@@ -426,7 +426,8 @@
                 element.style.height = Math.round(renderCommand.boundingBox.height.value) + 'px';
             }
 
-            switch(renderCommand.commandType.value) {
+            // note: commandType is packed to uint8_t and has 3 garbage bytes of padding
+            switch(renderCommand.commandType.value & 0xff) {
                 case (CLAY_RENDER_COMMAND_TYPE_NONE): {
                     break;
                 }
@@ -580,7 +581,9 @@
         for (let i = 0; i < length; i++, arrayOffset += renderCommandSize) {
             let renderCommand = readStructAtAddress(arrayOffset, renderCommandDefinition);
             let boundingBox = renderCommand.boundingBox;
-            switch(renderCommand.commandType.value) {
+            
+            // note: commandType is packed to uint8_t and has 3 garbage bytes of padding
+            switch(renderCommand.commandType.value & 0xff) {
                 case (CLAY_RENDER_COMMAND_TYPE_NONE): {
                     break;
                 }

renderers/web/canvas2d/clay-canvas2d-renderer.html

@@ -317,7 +317,9 @@
         for (let i = 0; i < length; i++, arrayOffset += renderCommandSize) {
             let renderCommand = readStructAtAddress(arrayOffset, renderCommandDefinition);
             let boundingBox = renderCommand.boundingBox;
-            switch(renderCommand.commandType.value) {
+            
+            // note: commandType is packed to uint8_t and has 3 garbage bytes of padding
+            switch(renderCommand.commandType.value & 0xff) {
                 case (CLAY_RENDER_COMMAND_TYPE_NONE): {
                     break;
                 }

renderers/web/html/clay-html-renderer.html

@@ -336,7 +336,7 @@
             let element = null;
             if (!elementCache[renderCommand.id.value]) {
                 let elementType = 'div';
-                switch (renderCommand.commandType.value) {
+                switch (renderCommand.commandType.value & 0xff) {
                     case CLAY_RENDER_COMMAND_TYPE_RECTANGLE: {
                         if (readStructAtAddress(renderCommand.config.value, rectangleConfigDefinition).link.length.value > 0) {
                             elementType = 'a';
@@ -384,7 +384,8 @@
                 element.style.height = Math.round(renderCommand.boundingBox.height.value) + 'px';
             }
 
-            switch(renderCommand.commandType.value) {
+            // note: commandType is packed to uint8_t and has 3 garbage bytes of padding
+            switch(renderCommand.commandType.value & 0xff) {
                 case (CLAY_RENDER_COMMAND_TYPE_NONE): {
                     break;
                 }