a556684b10
Bug: skia:7263 Change-Id: I90fcc35e8d070b324287139ebecc3d15dbec0137 Reviewed-on: https://skia-review.googlesource.com/109164 Reviewed-by: Robert Phillips <robertphillips@google.com> Commit-Queue: Jim Van Verth <jvanverth@google.com>
95 lines
2.8 KiB
C++
95 lines
2.8 KiB
C++
/*
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* Copyright 2017 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 "gm.h"
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#include "SkCanvas.h"
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#include "SkPath.h"
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#include "SkShadowUtils.h"
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enum BackgroundMode {
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kLightBackground,
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kDarkBackground
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};
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static constexpr int kW = 1225;
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static constexpr int kH = 550;
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void draw_content(SkCanvas* canvas, BackgroundMode mode) {
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const SkScalar kLightWidth = 600;
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const SkScalar kAmbientAlpha = 0.03f;
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const SkScalar kSpotAlpha = 0.25f;
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const SkColor kColors[30] = {
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// purples
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0xFF3A0072, 0xFF5D0099, 0xFF7F12B2, 0xFFA02AD1, 0xFFC245E5,
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0xFFE95AF9, 0xFFFC79F0, 0xFFFDA6F0, 0xFFFFCCF8, 0xFFFFE1F9,
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// oranges
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0xFFEA3200, 0xFFFF4E00, 0xFFFF7300, 0xFFFF9100, 0xFFFFB000,
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0xFFFFCE00, 0xFFFFE000, 0xFFFFF64D, 0xFFFFF98F, 0xFFFFFBCC,
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// teals
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0xFF004D51, 0xFF066266, 0xFF057F7F, 0xFF009999, 0xFF00B2B2,
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0xFF15CCBE, 0xFF25E5CE, 0xFF2CFFE0, 0xFF80FFEA, 0xFFB3FFF0
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};
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SkPaint paint;
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paint.setAntiAlias(true);
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if (mode == kDarkBackground) {
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canvas->drawColor(0xFF111111);
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} else {
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canvas->drawColor(0xFFEAEAEA);
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}
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SkPath path;
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path.addRect(SkRect::MakeXYWH(-50, -50, 100, 100));
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SkPoint3 lightPos = { 75, -400, 600 };
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SkPoint3 zPlaneParams = SkPoint3::Make(0, 0, 16);
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SkScalar yPos = 75;
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for (int row = 0; row < 3; ++row) {
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lightPos.fX = 75;
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SkScalar xPos = 75;
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for (int col = 0; col < 10; ++col) {
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SkColor color = kColors[10 * row + col];
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paint.setColor(color);
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canvas->save();
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canvas->translate(xPos, yPos);
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SkColor baseAmbient = SkColorSetARGB(kAmbientAlpha*SkColorGetA(color),
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SkColorGetR(color), SkColorGetG(color),
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SkColorGetB(color));
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SkColor baseSpot = SkColorSetARGB(kSpotAlpha*SkColorGetA(color),
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SkColorGetR(color), SkColorGetG(color),
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SkColorGetB(color));
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SkColor tonalAmbient, tonalSpot;
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SkShadowUtils::ComputeTonalColors(baseAmbient, baseSpot, &tonalAmbient, &tonalSpot);
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SkShadowUtils::DrawShadow(canvas, path, zPlaneParams,
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lightPos, kLightWidth, tonalAmbient, tonalSpot);
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canvas->drawPath(path, paint);
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canvas->restore();
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lightPos.fX += 120;
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xPos += 120;
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}
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lightPos.fY += 200;
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yPos += 200;
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}
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}
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DEF_SIMPLE_GM(tonalshadows_light, canvas, kW, kH) {
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draw_content(canvas, kLightBackground);
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}
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DEF_SIMPLE_GM(tonalshadows_dark, canvas, kW, kH) {
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draw_content(canvas, kDarkBackground);
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}
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