Add temporary Make for SkSamplingOptions

reed-at-google · Skia Commit-Bot · commit cae335d5b18f · 2020-11-13T20:12:53.000Z
To help stage clients away from SkFilterQuality Change-Id: Icf9d192880caa16a82f9774cc99c97e096f8e678 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/334162 Reviewed-by: Mike Reed <reed@google.com> Commit-Queue: Mike Reed <reed@google.com>
diff --git a/include/core/SkSamplingOptions.h b/include/core/SkSamplingOptions.h
@@ -8,7 +8,7 @@
 #ifndef SkImageSampling_DEFINED
 #define SkImageSampling_DEFINED
 
-#include "include/core/SkTypes.h"
+#include "include/core/SkFilterQuality.h"
 
 enum class SkSamplingMode {
     kNearest,   // single sample point (nearest neighbor)
@@ -69,6 +69,9 @@ struct SkSamplingOptions {
         , fCubic(cubic)
         , fFilter({SkSamplingMode::kNearest, SkMipmapMode::kNone})  // ignored
     {}
+
+    // Soon to go away
+    static SkSamplingOptions Make(SkFilterQuality);
 };
 
 #endif
diff --git a/src/image/SkImage.cpp b/src/image/SkImage.cpp
@@ -633,3 +633,23 @@ sk_sp<SkImage> SkImage::withDefaultMipmaps() const {
 sk_sp<SkImage> SkMipmapBuilder::attachTo(const SkImage* src) {
     return src->withMipmaps(fMM);
 }
+
+SkSamplingOptions SkSamplingOptions::Make(SkFilterQuality fq) {
+    switch (fq) {
+        case SkFilterQuality::kLow_SkFilterQuality:
+            return SkSamplingOptions({
+                SkSamplingMode::kLinear,
+                SkMipmapMode::kNone
+            });
+        case SkFilterQuality::kMedium_SkFilterQuality:
+            return SkSamplingOptions({
+                SkSamplingMode::kLinear,
+                SkMipmapMode::kNearest
+            });
+        case SkFilterQuality::kHigh_SkFilterQuality:
+            return SkSamplingOptions({1.0f/3, 1.0f/3});
+        case SkFilterQuality::kNone_SkFilterQuality:
+            break;  // fall out
+    }
+    return SkSamplingOptions(); // kNone_SkFilterQuality
+}
