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- /*
- * 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 "include/utils/SkRandom.h"
- #include "tools/ToolUtils.h"
- static void drawPath(SkPath& path,SkCanvas* canvas,SkColor color,
- const SkRect& clip,SkPaint::Cap cap, SkPaint::Join join,
- SkPaint::Style style, SkPath::FillType 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 {
- SkPath::FillType fFill;
- const char* fName;
- };
- constexpr FillAndName gFills[] = {
- {SkPath::kWinding_FillType, "Winding"},
- {SkPath::kEvenOdd_FillType, "Even / Odd"},
- {SkPath::kInverseWinding_FillType, "Inverse Winding"},
- {SkPath::kInverseEvenOdd_FillType, "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::create_portable_typeface(), 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 < SK_ARRAY_COUNT(gCaps); ++cap) {
- if (0 < cap) {
- canvas->translate((rect.width() + 40 * SK_Scalar1) * SK_ARRAY_COUNT(gStyles), 0);
- }
- canvas->save();
- for (size_t fill = 0; fill < SK_ARRAY_COUNT(gFills); ++fill) {
- if (0 < fill) {
- canvas->translate(0, rect.height() + 40 * SK_Scalar1);
- }
- canvas->save();
- for (size_t style = 0; style < SK_ARRAY_COUNT(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);
- }
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