rename new GM
Our new srgb_color_filter (in gm/srgb_color_filter.cpp) is awfully
similar to the existing srgb_colorfilter (in gm/srgb.cpp).
Let's rename the new one.
Change-Id: I8c7816c377cc4342388be51632353882a1bc5241
Reviewed-on: https://skia-review.googlesource.com/26525
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Mike Klein <mtklein@chromium.org>
diff --git a/gm/tosrgb_colorfilter.cpp b/gm/tosrgb_colorfilter.cpp
new file mode 100644
index 0000000..d4485b8
--- /dev/null
+++ b/gm/tosrgb_colorfilter.cpp
@@ -0,0 +1,57 @@
+/*
+ * Copyright 2017 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "gm.h"
+
+#include "SkPM4fPriv.h"
+#include "SkToSRGBColorFilter.h"
+
+DEF_SIMPLE_GM_BG(tosrgb_colorfilter, canvas, 130, 130, SK_ColorBLACK) {
+ // Src bitmap with some colors that we're going to interpret as being in a few different spaces
+ SkBitmap bmp;
+ bmp.allocN32Pixels(3, 2);
+ SkPMColor* pixels = reinterpret_cast<SkPMColor*>(bmp.getPixels());
+ pixels[0] = SkPackARGB32(0xFF, 0xA0, 0x00, 0x00);
+ pixels[1] = SkPackARGB32(0xFF, 0x00, 0xA0, 0x00);
+ pixels[2] = SkPackARGB32(0xFF, 0x00, 0x00, 0xA0);
+ pixels[3] = SkPackARGB32(0xFF, 0x00, 0xA0, 0xA0);
+ pixels[4] = SkPackARGB32(0xFF, 0xA0, 0x00, 0xA0);
+ pixels[5] = SkPackARGB32(0xFF, 0xA0, 0xA0, 0x00);
+
+ // Reference image
+ canvas->drawBitmapRect(bmp, SkRect::MakeXYWH(10, 10, 50, 50), nullptr);
+
+ auto srgb = SkColorSpace::MakeSRGB();
+ auto rec2020 = SkColorSpace::MakeRGB(SkColorSpace::kSRGB_RenderTargetGamma,
+ SkColorSpace::kRec2020_Gamut);
+
+ // NarrowGamut RGB (an artifically smaller than sRGB gamut)
+ SkColorSpacePrimaries narrowPrimaries = {
+ 0.54f, 0.33f, // Rx, Ry
+ 0.33f, 0.50f, // Gx, Gy
+ 0.25f, 0.20f, // Bx, By
+ 0.3127f, 0.3290f, // Wx, Wy
+ };
+ SkMatrix44 narrowGamutRGBMatrix(SkMatrix44::kUninitialized_Constructor);
+ narrowPrimaries.toXYZD50(&narrowGamutRGBMatrix);
+ auto narrow = SkColorSpace::MakeRGB(SkColorSpace::kSRGB_RenderTargetGamma,
+ narrowGamutRGBMatrix);
+
+ SkPaint paint;
+
+ // Transforming sRGB -> sRGB should do nothing. Top two squares should look identical.
+ paint.setColorFilter(SkToSRGBColorFilter::Make(srgb));
+ canvas->drawBitmapRect(bmp, SkRect::MakeXYWH(70, 10, 50, 50), &paint);
+
+ // Rec2020 -> sRGB should produce more vivid colors.
+ paint.setColorFilter(SkToSRGBColorFilter::Make(rec2020));
+ canvas->drawBitmapRect(bmp, SkRect::MakeXYWH(10, 70, 50, 50), &paint);
+
+ // Narrow -> sRGB should produce more muted colors.
+ paint.setColorFilter(SkToSRGBColorFilter::Make(narrow));
+ canvas->drawBitmapRect(bmp, SkRect::MakeXYWH(70, 70, 50, 50), &paint);
+}