skia2/docs/examples/PaintDump.cpp
Mike Reed b86cd3d3f0 Use samplingoptions in imageshader
Change-Id: I7d94fe7aed702afd0626a40db201caaf7c2a7764
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/342927
Commit-Queue: Mike Reed <reed@google.com>
Reviewed-by: Kevin Lubick <kjlubick@google.com>
Reviewed-by: Florin Malita <fmalita@chromium.org>
2020-12-10 21:59:19 +00:00

109 lines
3.7 KiB
C++

// Copyright 2020 Google LLC.
// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
#include "tools/fiddle/examples.h"
REG_FIDDLE(PaintDump, 256, 256, true, 0) {
static const char* str(SkPaint::Cap v) {
switch (v) {
case SkPaint::kButt_Cap: return "SkPaint::kButt_Cap";
case SkPaint::kRound_Cap: return "SkPaint::kRound_Cap";
case SkPaint::kSquare_Cap: return "SkPaint::kSquare_Cap";
default: return "?";
}
}
static const char* str(SkPaint::Join v) {
switch (v) {
case SkPaint::kMiter_Join: return "SkPaint::kMiter_Join";
case SkPaint::kRound_Join: return "SkPaint::kRound_Join";
case SkPaint::kBevel_Join: return "SkPaint::kBevel_Join";
default: return "?";
}
}
static const char* str(SkPaint::Style v) {
switch (v) {
case SkPaint::kFill_Style: return "SkPaint::kFill_Style";
case SkPaint::kStroke_Style: return "SkPaint::kStroke_Style";
case SkPaint::kStrokeAndFill_Style: return "SkPaint::kStrokeAndFill_Style";
default: return "?";
}
}
static const char* str(SkFilterQuality v) {
switch (v) {
case kNone_SkFilterQuality: return "kNone_SkFilterQuality";
case kLow_SkFilterQuality: return "kLow_SkFilterQuality";
case kMedium_SkFilterQuality: return "kMedium_SkFilterQuality";
case kHigh_SkFilterQuality: return "kHigh_SkFilterQuality";
default: return "?";
}
}
static const char* str(bool v) { return v ? "true" : "false"; }
SkString PaintStringDump(const SkPaint& p) {
SkString s("SkPaint p;\n");
SkPaint d;
if (d.getStrokeWidth() != p.getStrokeWidth()) {
s.appendf("p.setStrokeWidth(%.9g);\n", p.getStrokeWidth());
}
if (d.getStrokeMiter() != p.getStrokeMiter()) {
s.appendf("p.setStrokeMiter(%.9g);\n", p.getStrokeMiter());
}
SkColor4f c = p.getColor4f();
if (c != d.getColor4f()) {
s.appendf("p.setColor4f({%.9g, %.9g, %.9g, %.9g}, nullptr);\n", c.fR, c.fG, c.fB, c.fA);
}
if (d.isAntiAlias() != p.isAntiAlias()) {
s.appendf("p.setAntiAlias(%s);\n", str(p.isAntiAlias()));
}
if (d.isDither() != p.isDither()) {
s.appendf("p.setDither(%s);\n", str(p.isDither()));
}
if (d.getStrokeCap() != p.getStrokeCap()) {
s.appendf("p.setStrokeCap(%s);\n", str(p.getStrokeCap()));
}
if (d.getStrokeJoin() != p.getStrokeJoin()) {
s.appendf("p.setStrokeJoin(%s);\n", str(p.getStrokeJoin()));
}
if (d.getStyle() != p.getStyle()) {
s.appendf("p.setStyle(%s);\n", str(p.getStyle()));
}
if (d.getFilterQuality() != p.getFilterQuality()) {
s.appendf("p.setFilterQuality(%s);\n", str(p.getFilterQuality()));
}
if (d.getBlendMode() != p.getBlendMode()) {
s.appendf("p.setBlendMode(SkBlendMode::k%s);\n", SkBlendMode_Name(p.getBlendMode()));
}
if (p.getPathEffect()) {
s.appendf("p.setPathEffect(/*FIXME*/);\n");
}
if (p.getShader()) {
s.appendf("p.setShader(/*FIXME*/);\n");
}
if (p.getMaskFilter()) {
s.appendf("p.setMaskFilter(/*FIXME*/);\n");
}
if (p.getColorFilter()) {
s.appendf("p.setColorFilter(/*FIXME*/);\n");
}
if (p.getImageFilter()) {
s.appendf("p.setImageFilter(/*FIXME*/);\n");
}
return s;
}
void draw(SkCanvas* canvas) {
SkPaint p;
p.setColor(SK_ColorRED);
p.setAntiAlias(true);
p.setStyle(SkPaint::kStroke_Style);
p.setStrokeWidth(10);
p.setBlendMode(SkBlendMode::kDstOver);
p.setStrokeCap(SkPaint::kRound_Cap);
p.setShader(image->makeShader(SkTileMode::kRepeat, SkTileMode::kRepeat, SkSamplingOptions()));
auto s = PaintStringDump(p);
SkDebugf("%s", s.c_str());
}
} // END FIDDLE