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57 lines
2.8 KiB
57 lines
2.8 KiB
/*
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* Copyright 2015 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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// This is an example of the translation unit that needs to be
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// assembled by the fiddler program to compile into a fiddle: an
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// implementation of the GetDrawOptions() and draw() functions.
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#include "tools/fiddle/fiddle_main.h"
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#include "tools/gpu/ManagedBackendTexture.h"
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DrawOptions GetDrawOptions() {
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// path *should* be absolute.
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static const char path[] = "resources/images/color_wheel.png";
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return DrawOptions(256, 256, true, true, true, true, true, false, false, path,
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GrMipmapped::kYes, 64, 64, 0, GrMipmapped::kYes);
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}
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void draw(SkCanvas* canvas) {
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canvas->clear(SK_ColorWHITE);
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SkMatrix matrix;
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matrix.setScale(0.75f, 0.75f);
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matrix.preRotate(frame * 30.0f * duration); // If an animation, rotate at 30 deg/s.
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SkPaint paint;
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paint.setShader(image->makeShader(SkTileMode::kRepeat, SkTileMode::kRepeat,
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SkSamplingOptions(), matrix));
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canvas->drawPaint(paint);
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SkDebugf("This is text output: %d", 2);
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if (auto dContext = GrAsDirectContext(canvas->recordingContext())) {
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sk_sp<SkImage> tmp = SkImage::MakeFromTexture(dContext,
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backEndTexture->texture(),
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kTopLeft_GrSurfaceOrigin,
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kRGBA_8888_SkColorType,
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kOpaque_SkAlphaType,
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nullptr);
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constexpr int kSampleCnt = 0;
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sk_sp<SkSurface> tmp2 = SkSurface::MakeFromBackendTexture(
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dContext,
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backEndTextureRenderTarget->texture(),
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kTopLeft_GrSurfaceOrigin,
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kSampleCnt,
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kRGBA_8888_SkColorType,
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nullptr, nullptr);
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// Note: this surface should only be renderable (i.e., not textureable)
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sk_sp<SkSurface> tmp3 = SkSurface::MakeFromBackendRenderTarget(dContext,
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backEndRenderTarget,
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kTopLeft_GrSurfaceOrigin,
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kRGBA_8888_SkColorType,
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nullptr, nullptr);
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}
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}
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