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skia2/gm/quadpaths.cpp
Cary Clark 992c7b03ef Add standard fonts to all GMs. 
Allow GM results to be compared across machines and platforms by
standardizing the fonts used by all tests.

This adds runtime flags to DM to use either the system font context (the
default), the fonts in the resources directory ( --resourceFonts ) or a set
of canonical paths generated from the fonts ( --portableFonts ).

This CL should leave the current DM results unchanged by default.

If the portable font data or resource font is missing when DM is run, it
falls back to using the system font context.

The create_test_font tool generates the paths and metrics read by DM
with the --portableFonts flag set, and generates the font substitution
tables read by DM with the --resourceFonts flag set.

If DM is run in SkDebug mode with the --reportUsedChars flag set, it
generates the corresponding data compiled into the create_test_font tool.

All GM tests set their typeface information by calling either

  sk_tool_utils::set_portable_typeface or
  sk_tool_utils::portable_typeface .

(The former takes the paint, the latter returns a SkTypeface.) These calls
can be removed in the future when the Font Manager can be superceded.

BUG=skia:2687
R=mtklein@google.com

Review URL: https://codereview.chromium.org/407183003
2014-07-31 08:58:44 -04:00

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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.h"
#include "SkCanvas.h"
#include "SkPaint.h"
#include "SkRandom.h"
namespace skiagm {
class QuadPathGM : public GM {
public:
QuadPathGM() {}
protected:
virtual uint32_t onGetFlags() const SK_OVERRIDE {
return kSkipTiled_Flag;
}
SkString onShortName() {
return SkString("quadpath");
}
SkISize onISize() { return SkISize::Make(1240, 390); }
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();
}
virtual void onDraw(SkCanvas* canvas) {
struct FillAndName {
SkPath::FillType fFill;
const char* fName;
};
static const 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;
};
static const 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;
};
static const 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, 10*SK_Scalar1);
path.fPath.quadTo(50*SK_Scalar1, 20*SK_Scalar1,
75*SK_Scalar1, 10*SK_Scalar1);
path.fName = "moveTo-quad";
SkPaint titlePaint;
titlePaint.setColor(SK_ColorBLACK);
titlePaint.setAntiAlias(true);
sk_tool_utils::set_portable_typeface(&titlePaint);
titlePaint.setLCDRenderText(true);
titlePaint.setTextSize(15 * SK_Scalar1);
const char title[] = "Quad Drawn Into Rectangle Clips With "
"Indicated Style, Fill and Linecaps, with stroke width 10";
canvas->drawText(title, strlen(title),
20 * SK_Scalar1,
20 * SK_Scalar1,
titlePaint);
SkLCGRandom 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 = 0xff007000;
this->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);
labelPaint.setAntiAlias(true);
sk_tool_utils::set_portable_typeface(&labelPaint);
labelPaint.setLCDRenderText(true);
labelPaint.setTextSize(10 * SK_Scalar1);
canvas->drawText(gStyles[style].fName,
strlen(gStyles[style].fName),
0, rect.height() + 12 * SK_Scalar1,
labelPaint);
canvas->drawText(gFills[fill].fName,
strlen(gFills[fill].fName),
0, rect.height() + 24 * SK_Scalar1,
labelPaint);
canvas->drawText(gCaps[cap].fName,
strlen(gCaps[cap].fName),
0, rect.height() + 36 * SK_Scalar1,
labelPaint);
}
canvas->restore();
}
canvas->restore();
}
canvas->restore();
canvas->restore();
}
private:
typedef GM INHERITED;
};
class QuadClosePathGM : public GM {
public:
QuadClosePathGM() {}
protected:
virtual uint32_t onGetFlags() const SK_OVERRIDE {
return kSkipTiled_Flag;
}
SkString onShortName() {
return SkString("quadclosepath");
}
SkISize onISize() { return SkISize::Make(1240, 390); }
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();
}
virtual void onDraw(SkCanvas* canvas) {
struct FillAndName {
SkPath::FillType fFill;
const char* fName;
};
static const 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;
};
static const 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;
};
static const 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, 10*SK_Scalar1);
path.fPath.quadTo(50*SK_Scalar1, 20*SK_Scalar1,
75*SK_Scalar1, 10*SK_Scalar1);
path.fPath.close();
path.fName = "moveTo-quad-close";
SkPaint titlePaint;
titlePaint.setColor(SK_ColorBLACK);
titlePaint.setAntiAlias(true);
sk_tool_utils::set_portable_typeface(&titlePaint);
titlePaint.setLCDRenderText(true);
titlePaint.setTextSize(15 * SK_Scalar1);
const char title[] = "Quad Closed Drawn Into Rectangle Clips With "
"Indicated Style, Fill and Linecaps, with stroke width 10";
canvas->drawText(title, strlen(title),
20 * SK_Scalar1,
20 * SK_Scalar1,
titlePaint);
SkLCGRandom 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 = 0xff007000;
this->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);
labelPaint.setAntiAlias(true);
sk_tool_utils::set_portable_typeface(&labelPaint);
labelPaint.setLCDRenderText(true);
labelPaint.setTextSize(10 * SK_Scalar1);
canvas->drawText(gStyles[style].fName,
strlen(gStyles[style].fName),
0, rect.height() + 12 * SK_Scalar1,
labelPaint);
canvas->drawText(gFills[fill].fName,
strlen(gFills[fill].fName),
0, rect.height() + 24 * SK_Scalar1,
labelPaint);
canvas->drawText(gCaps[cap].fName,
strlen(gCaps[cap].fName),
0, rect.height() + 36 * SK_Scalar1,
labelPaint);
}
canvas->restore();
}
canvas->restore();
}
canvas->restore();
canvas->restore();
}
private:
typedef GM INHERITED;
};
//////////////////////////////////////////////////////////////////////////////
static GM* QuadPathFactory(void*) { return new QuadPathGM; }
static GMRegistry regQuadPath(QuadPathFactory);
static GM* QuadClosePathFactory(void*) { return new QuadClosePathGM; }
static GMRegistry regQuadClosePath(QuadClosePathFactory);
}
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