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-rwxr-xr-xindra/integration_tests/llimage_libtest/llimage_libtest.cpp11
-rwxr-xr-xindra/llimage/llimage.cpp46
-rwxr-xr-xindra/llimage/llimage.h1
3 files changed, 56 insertions, 2 deletions
diff --git a/indra/integration_tests/llimage_libtest/llimage_libtest.cpp b/indra/integration_tests/llimage_libtest/llimage_libtest.cpp
index 009be0941e..69cea33911 100755
--- a/indra/integration_tests/llimage_libtest/llimage_libtest.cpp
+++ b/indra/integration_tests/llimage_libtest/llimage_libtest.cpp
@@ -119,8 +119,7 @@ static bool sAllDone = false;
// Load filter from file
LLSD load_filter_from_file(const std::string& file_path)
{
- std::cout << "Loading filter settings from : " << file_path << std::endl;
-
+ //std::cout << "Loading filter settings from : " << file_path << std::endl;
llifstream filter_xml(file_path);
if (filter_xml.is_open())
{
@@ -213,6 +212,10 @@ void execute_filter(const LLSD& filter_data, LLPointer<LLImageRaw> raw_image)
LLColor3 color((float)(filter_data[i][2].asReal()),(float)(filter_data[i][3].asReal()),(float)(filter_data[i][4].asReal()));
raw_image->filterEqualize((S32)(filter_data[i][1].asReal()),color);
}
+ else if (filter_name == "screen")
+ {
+ raw_image->screenFilter((S32)(filter_data[i][1].asReal()));
+ }
}
}
@@ -818,6 +821,10 @@ int main(int argc, char** argv)
{
raw_image->filterEqualize((S32)(filter_param),LLColor3::white);
}
+ else if (filter_name == "screen")
+ {
+ raw_image->screenFilter((S32)(filter_param));
+ }
else if (filter_name != "")
{
// We're interpreting the filter as a filter file name
diff --git a/indra/llimage/llimage.cpp b/indra/llimage/llimage.cpp
index 977bb09b63..ae3de32788 100755
--- a/indra/llimage/llimage.cpp
+++ b/indra/llimage/llimage.cpp
@@ -1312,6 +1312,52 @@ void LLImageRaw::colorCorrect(const U8* lut_red, const U8* lut_green, const U8*
}
}
+void LLImageRaw::screenFilter(const S32 wave_length)
+{
+ const S32 components = getComponents();
+ llassert( components >= 1 && components <= 4 );
+
+ S32 width = getWidth();
+ S32 height = getHeight();
+
+ U8* dst_data = getData();
+ for (S32 j = 0; j < height; j++)
+ {
+ for (S32 i = 0; i < width; i++)
+ {
+ F32 value = (sinf(2*F_PI*i/wave_length)*sinf(2*F_PI*j/wave_length)+1.0)*255.0/2.0;
+ //F32 value = (sinf(2*F_PI*i/wave_length)+1.0)*255.0/2.0; // will do line
+ U8 dst_value = (dst_data[VRED] >= (U8)(value) ? 255 : 0);
+ if (mVignetteMode == VIGNETTE_MODE_NONE)
+ {
+ dst_data[VRED] = dst_value;
+ dst_data[VGREEN] = dst_value;
+ dst_data[VBLUE] = dst_value;
+ }
+ else
+ {
+ F32 alpha = getVignetteAlpha(i,j);
+ if (mVignetteMode == VIGNETTE_MODE_BLEND)
+ {
+ // Blends with the source image on the edges
+ F32 inv_alpha = 1.0 - alpha;
+ dst_data[VRED] = inv_alpha * dst_data[VRED] + alpha * dst_value;
+ dst_data[VGREEN] = inv_alpha * dst_data[VGREEN] + alpha * dst_value;
+ dst_data[VBLUE] = inv_alpha * dst_data[VBLUE] + alpha * dst_value;
+ }
+ else // VIGNETTE_MODE_FADE
+ {
+ // Fade to black on the edges
+ dst_data[VRED] = alpha * dst_value;
+ dst_data[VGREEN] = alpha * dst_value;
+ dst_data[VBLUE] = alpha * dst_value;
+ }
+ }
+ dst_data += components;
+ }
+ }
+}
+
void LLImageRaw::setVignette(EVignetteMode mode, F32 gamma, F32 min)
{
mVignetteMode = mode;
diff --git a/indra/llimage/llimage.h b/indra/llimage/llimage.h
index cc91f95624..ed17f1af21 100755
--- a/indra/llimage/llimage.h
+++ b/indra/llimage/llimage.h
@@ -299,6 +299,7 @@ public:
// Filter Primitives
void colorTransform(const LLMatrix3 &transform);
void colorCorrect(const U8* lut_red, const U8* lut_green, const U8* lut_blue);
+ void screenFilter(const S32 wave_length);
void setVignette(EVignetteMode mode, F32 gamma, F32 min);
U32* getBrightnessHistogram();