ea3f014e2b
sk_tool_utils doesn't really fit the naming convention the rest of code under tools/ tends to use. Change-Id: I45326a174101c6eb4b6149e9c742f658f2fd23b1 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/202313 Auto-Submit: Mike Klein <mtklein@google.com> Commit-Queue: Brian Osman <brianosman@google.com> Reviewed-by: Brian Osman <brianosman@google.com>
174 lines
5.2 KiB
C++
174 lines
5.2 KiB
C++
/*
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* Copyright 2014 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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#include "SkBitmap.h"
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#include "SkBlendMode.h"
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#include "SkCanvas.h"
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#include "SkColor.h"
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#include "SkFontStyle.h"
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#include "SkGradientShader.h"
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#include "SkImageInfo.h"
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#include "SkMatrix.h"
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#include "SkPaint.h"
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#include "SkRect.h"
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#include "SkRefCnt.h"
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#include "SkScalar.h"
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#include "SkShader.h"
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#include "SkSize.h"
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#include "SkString.h"
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#include "SkTextUtils.h"
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#include "SkTypeface.h"
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#include "SkTypes.h"
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#include "SkUTF.h"
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#include "ToolUtils.h"
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#include "gm.h"
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namespace skiagm {
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static uint16_t gData[] = { 0xFFFF, 0xCCCF, 0xCCCF, 0xFFFF };
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class ColorEmojiBlendModesGM : public GM {
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public:
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const static int W = 64;
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const static int H = 64;
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ColorEmojiBlendModesGM() {}
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protected:
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void onOnceBeforeDraw() override {
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const SkColor colors[] = {
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SK_ColorRED, SK_ColorGREEN, SK_ColorBLUE,
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SK_ColorMAGENTA, SK_ColorCYAN, SK_ColorYELLOW
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};
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SkMatrix local;
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local.setRotate(180);
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SkPaint paint;
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paint.setAntiAlias(true);
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paint.setShader(SkGradientShader::MakeSweep(0, 0, colors, nullptr, SK_ARRAY_COUNT(colors),
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0, &local));
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sk_sp<SkTypeface> orig(ToolUtils::create_portable_typeface("serif", SkFontStyle::Bold()));
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if (nullptr == orig) {
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orig = SkTypeface::MakeDefault();
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}
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fColorType = ToolUtils::emoji_typeface();
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fBG.installPixels(SkImageInfo::Make(2, 2, kARGB_4444_SkColorType,
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kOpaque_SkAlphaType), gData, 4);
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}
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virtual SkString onShortName() override {
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return SkString("coloremoji_blendmodes");
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}
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virtual SkISize onISize() override {
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return SkISize::Make(400, 640);
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}
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virtual void onDraw(SkCanvas* canvas) override {
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canvas->translate(SkIntToScalar(10), SkIntToScalar(20));
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const SkBlendMode gModes[] = {
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SkBlendMode::kClear,
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SkBlendMode::kSrc,
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SkBlendMode::kDst,
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SkBlendMode::kSrcOver,
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SkBlendMode::kDstOver,
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SkBlendMode::kSrcIn,
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SkBlendMode::kDstIn,
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SkBlendMode::kSrcOut,
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SkBlendMode::kDstOut,
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SkBlendMode::kSrcATop,
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SkBlendMode::kDstATop,
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SkBlendMode::kXor,
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SkBlendMode::kPlus,
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SkBlendMode::kModulate,
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SkBlendMode::kScreen,
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SkBlendMode::kOverlay,
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SkBlendMode::kDarken,
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SkBlendMode::kLighten,
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SkBlendMode::kColorDodge,
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SkBlendMode::kColorBurn,
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SkBlendMode::kHardLight,
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SkBlendMode::kSoftLight,
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SkBlendMode::kDifference,
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SkBlendMode::kExclusion,
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SkBlendMode::kMultiply,
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SkBlendMode::kHue,
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SkBlendMode::kSaturation,
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SkBlendMode::kColor,
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SkBlendMode::kLuminosity,
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};
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const SkScalar w = SkIntToScalar(W);
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const SkScalar h = SkIntToScalar(H);
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SkMatrix m;
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m.setScale(SkIntToScalar(6), SkIntToScalar(6));
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auto s = SkShader::MakeBitmapShader(fBG, SkShader::kRepeat_TileMode,
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SkShader::kRepeat_TileMode, &m);
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SkFont labelFont(ToolUtils::create_portable_typeface());
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SkPaint textP;
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textP.setAntiAlias(true);
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SkFont textFont(fColorType, 70);
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const int W = 5;
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SkScalar x0 = 0;
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SkScalar y0 = 0;
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SkScalar x = x0, y = y0;
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for (size_t i = 0; i < SK_ARRAY_COUNT(gModes); i++) {
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SkRect r;
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r.set(x, y, x+w, y+h);
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SkPaint p;
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p.setStyle(SkPaint::kFill_Style);
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p.setShader(s);
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canvas->drawRect(r, p);
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r.inset(-SK_ScalarHalf, -SK_ScalarHalf);
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p.setStyle(SkPaint::kStroke_Style);
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p.setShader(nullptr);
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canvas->drawRect(r, p);
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{
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SkAutoCanvasRestore arc(canvas, true);
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canvas->clipRect(r);
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textP.setBlendMode(gModes[i]);
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const char* text = ToolUtils::emoji_sample_text();
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SkUnichar unichar = SkUTF::NextUTF8(&text, text + strlen(text));
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SkASSERT(unichar >= 0);
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canvas->drawSimpleText(&unichar, 4, kUTF32_SkTextEncoding, x+ w/10.f, y + 7.f*h/8.f,
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textFont, textP);
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}
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#if 1
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const char* label = SkBlendMode_Name(gModes[i]);
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SkTextUtils::DrawString(canvas, label, x + w/2, y - labelFont.getSize()/2, labelFont, SkPaint(),
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SkTextUtils::kCenter_Align);
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#endif
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x += w + SkIntToScalar(10);
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if ((i % W) == W - 1) {
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x = x0;
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y += h + SkIntToScalar(30);
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}
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}
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}
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private:
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SkBitmap fBG;
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sk_sp<SkTypeface> fColorType;
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typedef GM INHERITED;
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};
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//////////////////////////////////////////////////////////////////////////////
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DEF_GM( return new ColorEmojiBlendModesGM; )
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}
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