skia2/tools/fiddle/draw.cpp
Mike Reed 99c944647f Add flag to hide non-sampling imageshader factories
Bug: skia:11056
Change-Id: Ic79876106c003f6061cbb50ad2f4a4bf4f446231
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/341681
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Mike Reed <reed@google.com>
2020-12-08 20:33:23 +00:00

57 lines
2.8 KiB
C++

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