skia2/tools/fiddle/draw.cpp
Greg Daniel faa095e984 Update SkSurface MakeFromBackend* factories to take an SkColorType.
Bug: skia:
Change-Id: Ib1b03b1181ec937843eac2e8d8cb03ebe53e32c1
Reviewed-on: https://skia-review.googlesource.com/86760
Commit-Queue: Greg Daniel <egdaniel@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
2017-12-19 18:41:36 +00:00

55 lines
2.6 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 "fiddle_main.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(SkShader::kRepeat_TileMode,
SkShader::kRepeat_TileMode,
&matrix));
canvas->drawPaint(paint);
SkDebugf("This is text output: %d", 2);
GrContext* context = canvas->getGrContext();
if (context) {
sk_sp<SkImage> tmp = SkImage::MakeFromTexture(context,
backEndTexture,
kTopLeft_GrSurfaceOrigin,
kRGBA_8888_SkColorType,
kOpaque_SkAlphaType,
nullptr);
// TODO: this sampleCnt parameter here should match that set in the options!
sk_sp<SkSurface> tmp2 = SkSurface::MakeFromBackendTexture(context,
backEndTextureRenderTarget,
kTopLeft_GrSurfaceOrigin,
0, kRGBA_8888_SkColorType,
nullptr, nullptr);
// Note: this surface should only be renderable (i.e., not textureable)
sk_sp<SkSurface> tmp3 = SkSurface::MakeFromBackendRenderTarget(context,
backEndRenderTarget,
kTopLeft_GrSurfaceOrigin,
kRGBA_8888_SkColorType,
nullptr, nullptr);
}
}