Transparancy in TGA files, take two.

1 files changed, 7 insertions, 1 deletions

diff --git a/im/src/im_format_tga.cpp b/im/src/im_format_tga.cpp
index 7c24a28..f15b25f 100755
--- a/im/src/im_format_tga.cpp
+++ b/im/src/im_format_tga.cpp
@@ -475,7 +475,13 @@ int imFileFormatTGA::WriteImageInfo()
       this->image_type = 1;
     break;
   case IM_RGB:
-    this->bpp = imColorModeHasAlpha(this->user_color_mode) ? 32 : 24;
+    if (imColorModeHasAlpha(this->user_color_mode))
+    {
+      this->bpp = 32;
+      this->file_color_mode |= IM_ALPHA;
+    }
+    else
+      this->bpp = 24;
     this->file_color_mode |= IM_PACKED;
     if (imStrEqual(this->compression, "RLE"))
       this->image_type = 10;