gdiplus: Implemented GdipGetDpiX/GdipGetDpiY.

dlls/gdiplus/gdiplus.spec

@@ -256,8 +256,8 @@
 @ stub GdipGetCustomLineCapType
 @ stub GdipGetCustomLineCapWidthScale
 @ stub GdipGetDC
-@ stub GdipGetDpiX
-@ stub GdipGetDpiY
+@ stdcall GdipGetDpiX(ptr ptr)
+@ stdcall GdipGetDpiY(ptr ptr)
 @ stub GdipGetEffectParameterSize
 @ stub GdipGetEffectParameters
 @ stub GdipGetEmHeight

dlls/gdiplus/graphics.c

@@ -2398,3 +2398,23 @@ GpStatus WINGDIPAPI GdipDrawPolygonI(GpGraphics *graphics,GpPen *pen,GDIPCONST G
 
     return ret;
 }
+
+GpStatus WINGDIPAPI GdipGetDpiX(GpGraphics *graphics, REAL* dpi)
+{
+    if(!graphics || !dpi)
+        return InvalidParameter;
+
+    *dpi = (REAL)GetDeviceCaps(graphics->hdc, LOGPIXELSX);
+
+    return Ok;
+}
+
+GpStatus WINGDIPAPI GdipGetDpiY(GpGraphics *graphics, REAL* dpi)
+{
+    if(!graphics || !dpi)
+        return InvalidParameter;
+
+    *dpi = (REAL)GetDeviceCaps(graphics->hdc, LOGPIXELSY);
+
+    return Ok;
+}

include/gdiplusflat.h

@@ -343,6 +343,9 @@ GpStatus WINGDIPAPI GdipSetStringFormatLineAlign(GpStringFormat*,StringAlignment
 GpStatus WINGDIPAPI GdipSetStringFormatTrimming(GpStringFormat*,StringTrimming);
 GpStatus WINGDIPAPI GdipCloneStringFormat(GDIPCONST GpStringFormat*,GpStringFormat**);
 
+GpStatus WINGDIPAPI GdipGetDpiX(GpGraphics*,REAL*);
+GpStatus WINGDIPAPI GdipGetDpiY(GpGraphics*,REAL*);
+
 #ifdef __cplusplus
 }
 #endif