diff options
author | reed <reed@google.com> | 2016-08-22 08:45:15 -0700 |
---|---|---|
committer | Commit bot <commit-bot@chromium.org> | 2016-08-22 08:45:16 -0700 |
commit | c0c6e1c5d133c51cc75ed9d5770fdc5448d8c324 (patch) | |
tree | b372095b6a054caf80d9f0284a3cb87c4f6e88ec | |
parent | 7fd64e7e67dfb74a10ab1b9c7cce2cc568d37fd2 (diff) |
'g' key toggles showgrid for PerlinPatch
BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2269673002
TBR=
Review-Url: https://codereview.chromium.org/2269673002
-rw-r--r-- | samplecode/PerlinPatch.cpp | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/samplecode/PerlinPatch.cpp b/samplecode/PerlinPatch.cpp index 8f7e28d4d0..a2033c35ff 100644 --- a/samplecode/PerlinPatch.cpp +++ b/samplecode/PerlinPatch.cpp @@ -71,6 +71,8 @@ class PerlinPatchView : public SampleView { SkScalar fTexY; SkScalar fTexScale; SkMatrix fInvMatrix; + bool fShowGrid = false; + public: PerlinPatchView() : fXFreq(0.025f), fYFreq(0.025f), fSeed(0.0f), fTexX(100.0), fTexY(50.0), fTexScale(1.0f) { @@ -114,6 +116,13 @@ protected: SampleCode::TitleR(evt, "PerlinPatch"); return true; } + SkUnichar uni; + if (SampleCode::CharQ(*evt, &uni)) { + switch (uni) { + case 'g': fShowGrid = !fShowGrid; this->inval(nullptr); return true; + default: break; + } + } return this->INHERITED::onQuery(evt); } @@ -147,7 +156,12 @@ protected: fShaderCompose = SkShader::MakeComposeShader(fShader0, fShader1, nullptr); paint.setShader(fShaderCompose); - canvas->drawPatch(fPts, nullptr, texCoords, xfer, paint); + + const SkPoint* tex = texCoords; + if (fShowGrid) { + tex = nullptr; + } + canvas->drawPatch(fPts, nullptr, tex, xfer, paint); draw_control_points(canvas, fPts); } |