| /* |
| * 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/SkCanvas.h" |
| #include "include/core/SkColor.h" |
| #include "include/core/SkFont.h" |
| #include "include/core/SkPaint.h" |
| #include "include/core/SkPath.h" |
| #include "include/core/SkRect.h" |
| #include "include/core/SkScalar.h" |
| #include "include/core/SkTypeface.h" |
| #include "include/core/SkTypes.h" |
| #include "src/base/SkRandom.h" |
| #include "tools/ToolUtils.h" |
| #include "tools/fonts/FontToolUtils.h" |
| |
| static void drawPath(SkPath& path,SkCanvas* canvas,SkColor color, |
| const SkRect& clip,SkPaint::Cap cap, SkPaint::Join join, |
| SkPaint::Style style, SkPathFillType fill, |
| SkScalar strokeWidth) { |
| path.setFillType(fill); |
| SkPaint paint; |
| paint.setStrokeCap(cap); |
| paint.setStrokeWidth(strokeWidth); |
| paint.setStrokeJoin(join); |
| paint.setColor(color); |
| paint.setStyle(style); |
| canvas->save(); |
| canvas->clipRect(clip); |
| canvas->drawPath(path, paint); |
| canvas->restore(); |
| } |
| |
| static void draw(SkCanvas* canvas, bool doClose) { |
| struct FillAndName { |
| SkPathFillType fFill; |
| const char* fName; |
| }; |
| constexpr FillAndName gFills[] = { |
| {SkPathFillType::kWinding, "Winding"}, |
| {SkPathFillType::kEvenOdd, "Even / Odd"}, |
| {SkPathFillType::kInverseWinding, "Inverse Winding"}, |
| {SkPathFillType::kInverseEvenOdd, "Inverse Even / Odd"}, |
| }; |
| struct StyleAndName { |
| SkPaint::Style fStyle; |
| const char* fName; |
| }; |
| constexpr StyleAndName gStyles[] = { |
| {SkPaint::kFill_Style, "Fill"}, |
| {SkPaint::kStroke_Style, "Stroke"}, |
| {SkPaint::kStrokeAndFill_Style, "Stroke And Fill"}, |
| }; |
| struct CapAndName { |
| SkPaint::Cap fCap; |
| SkPaint::Join fJoin; |
| const char* fName; |
| }; |
| constexpr CapAndName gCaps[] = { |
| {SkPaint::kButt_Cap, SkPaint::kBevel_Join, "Butt"}, |
| {SkPaint::kRound_Cap, SkPaint::kRound_Join, "Round"}, |
| {SkPaint::kSquare_Cap, SkPaint::kBevel_Join, "Square"} |
| }; |
| struct PathAndName { |
| SkPath fPath; |
| const char* fName; |
| }; |
| PathAndName path; |
| path.fPath.moveTo(25*SK_Scalar1, 15*SK_Scalar1); |
| path.fPath.lineTo(75*SK_Scalar1, 15*SK_Scalar1); |
| if (doClose) { |
| path.fPath.close(); |
| path.fName = "moveTo-line-close"; |
| } else { |
| path.fName = "moveTo-line"; |
| } |
| |
| SkPaint titlePaint; |
| titlePaint.setColor(SK_ColorBLACK); |
| titlePaint.setAntiAlias(true); |
| |
| SkFont font(ToolUtils::DefaultPortableTypeface(), 15.0f); |
| |
| const char titleNoClose[] = "Line Drawn Into Rectangle Clips With " |
| "Indicated Style, Fill and Linecaps, with stroke width 10"; |
| const char titleClose[] = "Line Closed Drawn Into Rectangle Clips With " |
| "Indicated Style, Fill and Linecaps, with stroke width 10"; |
| const char* title = doClose ? titleClose : titleNoClose; |
| canvas->drawString(title, 20.0f, 20.0f, font, titlePaint); |
| |
| SkRandom rand; |
| SkRect rect = SkRect::MakeWH(100*SK_Scalar1, 30*SK_Scalar1); |
| canvas->save(); |
| canvas->translate(10 * SK_Scalar1, 30 * SK_Scalar1); |
| canvas->save(); |
| for (size_t cap = 0; cap < std::size(gCaps); ++cap) { |
| if (0 < cap) { |
| canvas->translate((rect.width() + 40 * SK_Scalar1) * std::size(gStyles), 0); |
| } |
| canvas->save(); |
| for (size_t fill = 0; fill < std::size(gFills); ++fill) { |
| if (0 < fill) { |
| canvas->translate(0, rect.height() + 40 * SK_Scalar1); |
| } |
| canvas->save(); |
| for (size_t style = 0; style < std::size(gStyles); ++style) { |
| if (0 < style) { |
| canvas->translate(rect.width() + 40 * SK_Scalar1, 0); |
| } |
| |
| SkColor color = ToolUtils::color_to_565(0xff007000); |
| drawPath(path.fPath, canvas, color, rect, |
| gCaps[cap].fCap, gCaps[cap].fJoin, gStyles[style].fStyle, |
| gFills[fill].fFill, SK_Scalar1*10); |
| |
| SkPaint rectPaint; |
| rectPaint.setColor(SK_ColorBLACK); |
| rectPaint.setStyle(SkPaint::kStroke_Style); |
| rectPaint.setStrokeWidth(-1); |
| rectPaint.setAntiAlias(true); |
| canvas->drawRect(rect, rectPaint); |
| |
| SkPaint labelPaint; |
| labelPaint.setColor(color); |
| font.setSize(10); |
| canvas->drawString(gStyles[style].fName, 0, rect.height() + 12.0f, |
| font, labelPaint); |
| canvas->drawString(gFills[fill].fName, 0, rect.height() + 24.0f, |
| font, labelPaint); |
| canvas->drawString(gCaps[cap].fName, 0, rect.height() + 36.0f, |
| font, labelPaint); |
| } |
| canvas->restore(); |
| } |
| canvas->restore(); |
| } |
| canvas->restore(); |
| canvas->restore(); |
| } |
| DEF_SIMPLE_GM(linepath, canvas, 1240, 390) { |
| draw(canvas, false); |
| } |
| DEF_SIMPLE_GM(lineclosepath, canvas, 1240, 390) { |
| draw(canvas, true); |
| } |