gdiplus: Added GdipGetLineGammaCorrection/GdipSetLineGammaCorrection.

dlls/gdiplus/brush.c

@@ -102,6 +102,7 @@ GpStatus WINGDIPAPI GdipCreateLineBrush(GDIPCONST GpPointF* startpoint,
     (*line)->startcolor = startcolor;
     (*line)->endcolor = endcolor;
     (*line)->wrap = wrap;
+    (*line)->gamma = FALSE;
 
     return Ok;
 }
@@ -246,6 +247,17 @@ GpStatus WINGDIPAPI GdipDeleteBrush(GpBrush *brush)
     return Ok;
 }
 
+GpStatus WINGDIPAPI GdipGetLineGammaCorrection(GpLineGradient *line,
+    BOOL *usinggamma)
+{
+    if(!line)
+        return InvalidParameter;
+
+    *usinggamma = line->gamma;
+
+    return Ok;
+}
+
 GpStatus WINGDIPAPI GdipGetPathGradientCenterPoint(GpPathGradient *grad,
     GpPointF *point)
 {
@@ -316,6 +328,17 @@ GpStatus WINGDIPAPI GdipGetSolidFillColor(GpSolidFill *sf, ARGB *argb)
     return Ok;
 }
 
+GpStatus WINGDIPAPI GdipSetLineGammaCorrection(GpLineGradient *line,
+    BOOL usegamma)
+{
+    if(!line)
+        return InvalidParameter;
+
+    line->gamma = usegamma;
+
+    return Ok;
+}
+
 GpStatus WINGDIPAPI GdipSetLineSigmaBlend(GpLineGradient *line, REAL focus,
     REAL scale)
 {

dlls/gdiplus/gdiplus.spec

@@ -303,7 +303,7 @@
 @ stub GdipGetLineBlend
 @ stub GdipGetLineBlendCount
 @ stub GdipGetLineColors
-@ stub GdipGetLineGammaCorrection
+@ stdcall GdipGetLineGammaCorrection(ptr ptr)
 @ stub GdipGetLinePresetBlend
 @ stub GdipGetLinePresetBlendCount
 @ stub GdipGetLineRect
@@ -537,7 +537,7 @@
 @ stdcall GdipSetInterpolationMode(ptr long)
 @ stub GdipSetLineBlend
 @ stub GdipSetLineColors
-@ stub GdipSetLineGammaCorrection
+@ stdcall GdipSetLineGammaCorrection(ptr long)
 @ stub GdipSetLineLinearBlend
 @ stub GdipSetLinePresetBlend
 @ stdcall GdipSetLineSigmaBlend(ptr long long)

dlls/gdiplus/gdiplus_private.h

@@ -111,6 +111,7 @@ struct GpLineGradient{
     ARGB startcolor;
     ARGB endcolor;
     GpWrapMode wrap;
+    BOOL gamma;
 };
 
 struct GpPath{

include/gdiplusflat.h

@@ -99,6 +99,7 @@ GpStatus WINGDIPAPI GdipCreatePathGradientFromPath(GDIPCONST GpPath*,
 GpStatus WINGDIPAPI GdipCreateSolidFill(ARGB,GpSolidFill**);
 GpStatus WINGDIPAPI GdipDeleteBrush(GpBrush*);
 GpStatus WINGDIPAPI GdipGetBrushType(GpBrush*,GpBrushType*);
+GpStatus WINGDIPAPI GdipGetLineGammaCorrection(GpLineGradient*,BOOL*);
 GpStatus WINGDIPAPI GdipGetPathGradientCenterPoint(GpPathGradient*,GpPointF*);
 GpStatus WINGDIPAPI GdipGetPathGradientFocusScales(GpPathGradient*,REAL*,REAL*);
 GpStatus WINGDIPAPI GdipGetPathGradientGammaCorrection(GpPathGradient*,BOOL*);
@@ -106,6 +107,7 @@ GpStatus WINGDIPAPI GdipGetPathGradientPointCount(GpPathGradient*,INT*);
 GpStatus WINGDIPAPI GdipGetPathGradientSurroundColorsWithCount(GpPathGradient*,
     ARGB*,INT*);
 GpStatus WINGDIPAPI GdipGetSolidFillColor(GpSolidFill*,ARGB*);
+GpStatus WINGDIPAPI GdipSetLineGammaCorrection(GpLineGradient*,BOOL);
 GpStatus WINGDIPAPI GdipSetLineSigmaBlend(GpLineGradient*,REAL,REAL);
 GpStatus WINGDIPAPI GdipSetLineWrapMode(GpLineGradient*,GpWrapMode);
 GpStatus WINGDIPAPI GdipSetPathGradientCenterColor(GpPathGradient*,ARGB);