331ccfd8e4
These are meant to enable several things (eventually) - fission Align off of paint - fission TextEncoding off of paint - fission SkFont of of paint The first one is explicitly enabled here. The others will (I plan) follow later. The final state of the world (the goal) - paint has no font-ish parameters (no typeface or size) - font has no paint-ish parameters (no aa or lcd) - neither has alignment or encoding Bug: skia:8493, skia:8501 Change-Id: I5fcb945b6bcab30ef5e7019dfccb682661f56230 Reviewed-on: https://skia-review.googlesource.com/c/165061 Auto-Submit: Mike Reed <reed@google.com> Reviewed-by: Mike Reed <reed@google.com> Commit-Queue: Mike Reed <reed@google.com>
130 lines
4.2 KiB
C++
130 lines
4.2 KiB
C++
/*
|
|
* Copyright 2018 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 "sk_tool_utils.h"
|
|
#include "SkBitmap.h"
|
|
#include "SkTextUtils.h"
|
|
|
|
namespace skiagm {
|
|
|
|
// This GM recreates the blend mode images from the Android documentation
|
|
class AndroidBlendModesGM : public GM {
|
|
public:
|
|
AndroidBlendModesGM() {
|
|
this->setBGColor(SK_ColorBLACK);
|
|
}
|
|
|
|
protected:
|
|
SkString onShortName() override {
|
|
return SkString("androidblendmodes");
|
|
}
|
|
|
|
SkISize onISize() override {
|
|
return SkISize::Make(kNumCols * kBitmapSize, kNumRows * kBitmapSize);
|
|
}
|
|
|
|
void onOnceBeforeDraw() override {
|
|
SkImageInfo ii = SkImageInfo::MakeN32Premul(kBitmapSize, kBitmapSize);
|
|
{
|
|
fCompositeSrc.allocPixels(ii);
|
|
SkCanvas tmp(fCompositeSrc);
|
|
tmp.clear(SK_ColorTRANSPARENT);
|
|
SkPaint p;
|
|
p.setAntiAlias(true);
|
|
p.setColor(sk_tool_utils::color_to_565(kBlue));
|
|
tmp.drawRect(SkRect::MakeLTRB(16, 96, 160, 240), p);
|
|
}
|
|
|
|
{
|
|
fCompositeDst.allocPixels(ii);
|
|
SkCanvas tmp(fCompositeDst);
|
|
tmp.clear(SK_ColorTRANSPARENT);
|
|
SkPaint p;
|
|
p.setAntiAlias(true);
|
|
p.setColor(sk_tool_utils::color_to_565(kRed));
|
|
tmp.drawCircle(160, 95, 80, p);
|
|
}
|
|
}
|
|
|
|
void drawTile(SkCanvas* canvas, int xOffset, int yOffset, SkBlendMode mode) {
|
|
canvas->translate(xOffset, yOffset);
|
|
|
|
canvas->clipRect(SkRect::MakeXYWH(0, 0, 256, 256));
|
|
|
|
canvas->saveLayer(nullptr, nullptr);
|
|
|
|
SkPaint p;
|
|
canvas->drawBitmap(fCompositeDst, 0, 0, &p);
|
|
p.setBlendMode(mode);
|
|
canvas->drawBitmap(fCompositeSrc, 0, 0, &p);
|
|
}
|
|
|
|
void onDraw(SkCanvas* canvas) override {
|
|
SkPaint textPaint;
|
|
textPaint.setAntiAlias(true);
|
|
sk_tool_utils::set_portable_typeface(&textPaint);
|
|
|
|
sk_tool_utils::draw_checkerboard(canvas,
|
|
kWhite,
|
|
kGrey,
|
|
32);
|
|
|
|
int xOffset = 0, yOffset = 0;
|
|
|
|
// Android doesn't expose all the blend modes
|
|
// Note that the Android documentation calls:
|
|
// Skia's kPlus, add
|
|
// Skia's kModulate, multiply
|
|
for (SkBlendMode mode : { SkBlendMode::kPlus /* add */, SkBlendMode::kClear,
|
|
SkBlendMode::kDarken, SkBlendMode::kDst,
|
|
SkBlendMode::kDstATop, SkBlendMode::kDstIn,
|
|
SkBlendMode::kDstOut, SkBlendMode::kDstOver,
|
|
SkBlendMode::kLighten, SkBlendMode::kModulate /* multiply */,
|
|
SkBlendMode::kOverlay, SkBlendMode::kScreen,
|
|
SkBlendMode::kSrc, SkBlendMode::kSrcATop,
|
|
SkBlendMode::kSrcIn, SkBlendMode::kSrcOut,
|
|
SkBlendMode::kSrcOver, SkBlendMode::kXor } ) {
|
|
|
|
int saveCount = canvas->save();
|
|
this->drawTile(canvas, xOffset, yOffset, mode);
|
|
canvas->restoreToCount(saveCount);
|
|
|
|
SkTextUtils::DrawString(canvas, SkBlendMode_Name(mode),
|
|
xOffset + kBitmapSize/2.0f,
|
|
yOffset + kBitmapSize,
|
|
textPaint, SkPaint::kCenter_Align);
|
|
|
|
xOffset += 256;
|
|
if (xOffset >= 1024) {
|
|
xOffset = 0;
|
|
yOffset += 256;
|
|
}
|
|
}
|
|
}
|
|
|
|
private:
|
|
static const int kBitmapSize = 256;
|
|
static const int kNumRows = 5;
|
|
static const int kNumCols = 4;
|
|
|
|
static const SkColor kBlue = SkColorSetARGB(255, 22, 150, 243);
|
|
static const SkColor kRed = SkColorSetARGB(255, 233, 30, 99);
|
|
static const SkColor kWhite = SkColorSetARGB(255, 243, 243, 243);
|
|
static const SkColor kGrey = SkColorSetARGB(255, 222, 222, 222);
|
|
|
|
SkBitmap fCompositeSrc;
|
|
SkBitmap fCompositeDst;
|
|
|
|
typedef GM INHERITED;
|
|
};
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
|
|
DEF_GM(return new AndroidBlendModesGM;)
|
|
}
|