From 2f4120038429c6aff865f153f708ceefb60d67f4 Mon Sep 17 00:00:00 2001
From: Dave Parks <davep@lindenlab.com>
Date: Tue, 28 May 2024 09:45:40 -0500
Subject: Remove tinygltf dependency from LL::GLTF (#1541)

* #1535 Image loading/saving support in boost::json driven GLTF parser
* #1536 GLB Support in boost::json drvien GLTF parser
---
 indra/llimage/llimage.cpp | 56 +++++++++++++++++++++++++++++++++++++++++++++++
 indra/llimage/llimage.h   |  3 +++
 2 files changed, 59 insertions(+)

(limited to 'indra/llimage')

diff --git a/indra/llimage/llimage.cpp b/indra/llimage/llimage.cpp
index 863a28996d..acd382d9a8 100644
--- a/indra/llimage/llimage.cpp
+++ b/indra/llimage/llimage.cpp
@@ -2232,6 +2232,61 @@ LLImageFormatted* LLImageFormatted::createFromType(S8 codec)
     return image;
 }
 
+// static
+S8 LLImageFormatted::getCodecFromMimeType(std::string_view mimetype)
+{
+    if (mimetype == "image/bmp")
+    {
+        return IMG_CODEC_BMP;
+    }
+    else if (mimetype == "image/tga")
+    {
+        return IMG_CODEC_TGA;
+    }
+    else if (mimetype == "image/jpeg")
+    {
+        return IMG_CODEC_JPEG;
+    }
+    else if (mimetype == "image/png")
+    {
+        return IMG_CODEC_PNG;
+    }
+    else if (mimetype == "image/j2c")
+    {
+        return IMG_CODEC_J2C;
+    }
+    else if (mimetype == "image/dxt")
+    {
+        return IMG_CODEC_DXT;
+    }
+    return IMG_CODEC_INVALID;
+}
+
+// static
+LLImageFormatted* LLImageFormatted::createFromMimeType(std::string_view mimetype)
+{
+    S8 codec = getCodecFromMimeType(mimetype);
+    return createFromType(codec);
+}
+
+// static
+LLImageFormatted* LLImageFormatted::loadFromMemory(const U8* data_in, U32 size, std::string_view mimetype)
+{
+    LLImageFormatted* image = createFromMimeType(mimetype);
+    if (image)
+    {
+        U8* data = image->allocateData(size);
+        memcpy(data, data_in, size);
+
+        if (!image->updateData())
+        {
+            delete image;
+            image = NULL;
+        }
+    }
+    return image;
+}
+
 // static
 LLImageFormatted* LLImageFormatted::createFromExtension(const std::string& instring)
 {
@@ -2412,6 +2467,7 @@ void LLImageFormatted::appendData(U8 *data, S32 size)
 
 //----------------------------------------------------------------------------
 
+
 bool LLImageFormatted::load(const std::string &filename, int load_size)
 {
     resetLastError();
diff --git a/indra/llimage/llimage.h b/indra/llimage/llimage.h
index 7f759f7679..42eecbb97c 100644
--- a/indra/llimage/llimage.h
+++ b/indra/llimage/llimage.h
@@ -322,7 +322,10 @@ class LLImageFormatted : public LLImageBase
 {
 public:
     static LLImageFormatted* createFromType(S8 codec);
+    static LLImageFormatted* loadFromMemory(const U8* data, U32 size, std::string_view mimetype);
     static LLImageFormatted* createFromExtension(const std::string& instring);
+    static LLImageFormatted* createFromMimeType(std::string_view mimetype);
+    static S8 getCodecFromMimeType(std::string_view mimetype);
 
 protected:
     /*virtual*/ ~LLImageFormatted();
-- 
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