123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129 |
- /*
- * Copyright 2011 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
- #include "gm/gm.h"
- #include "include/core/SkBlendMode.h"
- #include "include/core/SkCanvas.h"
- #include "include/core/SkColor.h"
- #include "include/core/SkColorFilter.h"
- #include "include/core/SkColorSpace.h"
- #include "include/core/SkImageInfo.h"
- #include "include/core/SkPaint.h"
- #include "include/core/SkRect.h"
- #include "include/core/SkRefCnt.h"
- #include "include/core/SkShader.h"
- #include "include/core/SkSurface.h"
- #include "include/effects/SkColorMatrix.h"
- static sk_sp<SkShader> make_opaque_color() {
- return SkShaders::Color(0xFFFF0000);
- }
- static sk_sp<SkShader> make_alpha_color() {
- return SkShaders::Color(0x80FF0000);
- }
- static sk_sp<SkColorFilter> make_cf_null() {
- return nullptr;
- }
- static sk_sp<SkColorFilter> make_cf0() {
- SkColorMatrix cm;
- cm.setSaturation(0.75f);
- return SkColorFilters::Matrix(cm);
- }
- static sk_sp<SkColorFilter> make_cf1() {
- SkColorMatrix cm;
- cm.setSaturation(0.75f);
- auto a = SkColorFilters::Matrix(cm);
- // CreateComposedFilter will try to concat these two matrices, resulting in a single
- // filter (which is good for speed). For this test, we want to force a real compose of
- // these two, so our inner filter has a scale-up, which disables the optimization of
- // combining the two matrices.
- cm.setScale(1.1f, 0.9f, 1);
- return a->makeComposed(SkColorFilters::Matrix(cm));
- }
- static sk_sp<SkColorFilter> make_cf2() {
- return SkColorFilters::Blend(0x8044CC88, SkBlendMode::kSrcATop);
- }
- static void draw_into_canvas(SkCanvas* canvas) {
- const SkRect r = SkRect::MakeWH(50, 100);
- sk_sp<SkShader> (*shaders[])() { make_opaque_color, make_alpha_color };
- sk_sp<SkColorFilter> (*filters[])() { make_cf_null, make_cf0, make_cf1, make_cf2 };
- SkPaint paint;
- for (auto shProc : shaders) {
- paint.setShader(shProc());
- for (auto cfProc : filters) {
- paint.setColorFilter(cfProc());
- canvas->drawRect(r, paint);
- canvas->translate(60, 0);
- }
- }
- }
- DEF_SIMPLE_GM(color4f, canvas, 1024, 260) {
- canvas->translate(10, 10);
- SkPaint bg;
- // need the target to be opaque, so we can draw it to the screen
- // even if it holds sRGB values.
- bg.setColor(0xFFFFFFFF);
- sk_sp<SkColorSpace> colorSpaces[]{
- nullptr,
- SkColorSpace::MakeSRGB()
- };
- for (auto colorSpace : colorSpaces) {
- const SkImageInfo info = SkImageInfo::Make(1024, 100, kN32_SkColorType, kPremul_SkAlphaType,
- colorSpace);
- auto surface(SkSurface::MakeRaster(info));
- surface->getCanvas()->drawPaint(bg);
- draw_into_canvas(surface->getCanvas());
- surface->draw(canvas, 0, 0, nullptr);
- canvas->translate(0, 120);
- }
- }
- ///////////////////////////////////////////////////////////////////////////////////////////////////
- DEF_SIMPLE_GM(color4shader, canvas, 360, 480) {
- canvas->translate(10, 10);
- auto srgb = SkColorSpace::MakeSRGB();
- auto spin = srgb->makeColorSpin(); // RGB -> GBR
- const SkColor4f colors[] {
- { 1, 0, 0, 1 },
- { 0, 1, 0, 1 },
- { 0, 0, 1, 1 },
- { 0.5, 0.5, 0.5, 1 },
- };
- SkPaint paint;
- SkRect r = SkRect::MakeWH(100, 100);
- for (const auto& c4 : colors) {
- sk_sp<SkShader> shaders[] {
- SkShaders::Color(c4, nullptr),
- SkShaders::Color(c4, srgb),
- SkShaders::Color(c4, spin),
- };
- canvas->save();
- for (const auto& s : shaders) {
- paint.setShader(s);
- canvas->drawRect(r, paint);
- canvas->translate(r.width() * 6 / 5, 0);
- }
- canvas->restore();
- canvas->translate(0, r.height() * 6 / 5);
- }
- }
|