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-rwxr-xr-x[-rw-r--r--]indra/llimage/llimage.cpp34
1 files changed, 33 insertions, 1 deletions
diff --git a/indra/llimage/llimage.cpp b/indra/llimage/llimage.cpp
index a88ac148ef..c8a05e1fae 100644..100755
--- a/indra/llimage/llimage.cpp
+++ b/indra/llimage/llimage.cpp
@@ -640,6 +640,29 @@ void LLImageRaw::compositeUnscaled4onto3( LLImageRaw* src )
}
}
+void LLImageRaw::copyUnscaledAlphaMask( LLImageRaw* src, const LLColor4U& fill)
+{
+ LLImageRaw* dst = this; // Just for clarity.
+
+ llassert( 1 == src->getComponents() );
+ llassert( 4 == dst->getComponents() );
+ llassert( (src->getWidth() == dst->getWidth()) && (src->getHeight() == dst->getHeight()) );
+
+ S32 pixels = getWidth() * getHeight();
+ U8* src_data = src->getData();
+ U8* dst_data = dst->getData();
+ for ( S32 i = 0; i < pixels; i++ )
+ {
+ dst_data[0] = fill.mV[0];
+ dst_data[1] = fill.mV[1];
+ dst_data[2] = fill.mV[2];
+ dst_data[3] = src_data[0];
+ src_data += 1;
+ dst_data += 4;
+ }
+}
+
+
// Fill the buffer with a constant color
void LLImageRaw::fill( const LLColor4U& color )
{
@@ -666,8 +689,17 @@ void LLImageRaw::fill( const LLColor4U& color )
}
}
+LLPointer<LLImageRaw> LLImageRaw::duplicate()
+{
+ if(getNumRefs() < 2)
+ {
+ return this; //nobody else refences to this image, no need to duplicate.
+ }
-
+ //make a duplicate
+ LLPointer<LLImageRaw> dup = new LLImageRaw(getData(), getWidth(), getHeight(), getComponents());
+ return dup;
+}
// Src and dst can be any size. Src and dst can each have 3 or 4 components.
void LLImageRaw::copy(LLImageRaw* src)