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Sample/Camera: make it work without /skimages

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Change-Id: I7e876ffb7e59ccedb3da80ef3cd5ca385ab89873
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/225547
Reviewed-by: Ben Wagner <bungeman@google.com>
Commit-Queue: Hal Canary <halcanary@google.com>
This commit is contained in:
Hal Canary 2019-07-03 21:01:52 -04:00 committed by Skia Commit-Bot
parent da69d5929d
commit 455c41a014
1 changed files with 24 additions and 37 deletions
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61
samplecode/SampleCamera.cpp
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@ -6,66 +6,59 @@
*/
#include "include/core/SkCanvas.h"
#include "include/core/SkPath.h"
#include "include/core/SkRegion.h"
#include "include/core/SkShader.h"
#include "include/core/SkString.h"
#include "include/effects/SkGradientShader.h"
#include "include/utils/SkCamera.h"
#include "include/utils/SkRandom.h"
#include "samplecode/DecodeFile.h"
#include "samplecode/Sample.h"
#include "src/effects/SkEmbossMaskFilter.h"
#include "src/utils/SkUTF.h"
#include "tools/Resources.h"
#include "tools/timer/AnimTimer.h"
namespace {
class CameraView : public Sample {
SkTArray<sk_sp<SkShader>> fShaders;
int fShaderIndex;
bool fFrontFace;
public:
CameraView() {
fRX = fRY = fRZ = 0;
fShaderIndex = 0;
fFrontFace = false;
int fShaderIndex = 0;
bool fFrontFace = false;
SkScalar fRX = 0;
SkScalar fRY = 0;
for (int i = 0;; i++) {
SkString str;
str.printf("/skimages/elephant%d.jpeg", i);
SkString name() override { return SkString("Camera"); }
void onOnceBeforeDraw() override {
for (const char* resource : {
"images/mandrill_512_q075.jpg",
"images/dog.jpg",
"images/gamut.png",
}) {
SkBitmap bm;
if (decode_file(str.c_str(), &bm)) {
if (GetResourceAsBitmap(resource, &bm)) {
SkRect src = { 0, 0, SkIntToScalar(bm.width()), SkIntToScalar(bm.height()) };
SkRect dst = { -150, -150, 150, 150 };
SkMatrix matrix;
matrix.setRectToRect(src, dst, SkMatrix::kFill_ScaleToFit);
fShaders.push_back(bm.makeShader(&matrix));
} else {
break;
}
}
this->setBGColor(0xFFDDDDDD);
}
protected:
SkString name() override { return SkString("Camera"); }
void onDrawContent(SkCanvas* canvas) override {
canvas->translate(this->width()/2, this->height()/2);
Sk3DView view;
view.rotateX(fRX);
view.rotateY(fRY);
view.applyToCanvas(canvas);
SkPaint paint;
if (fShaders.count() > 0) {
canvas->translate(this->width()/2, this->height()/2);
Sk3DView view;
view.rotateX(fRX);
view.rotateY(fRY);
view.applyToCanvas(canvas);
bool frontFace = view.dotWithNormal(0, 0, SK_Scalar1) < 0;
if (frontFace != fFrontFace) {
fFrontFace = frontFace;
fShaderIndex = (fShaderIndex + 1) % fShaders.count();
}
SkPaint paint;
paint.setAntiAlias(true);
paint.setShader(fShaders[fShaderIndex]);
paint.setFilterQuality(kLow_SkFilterQuality);
@ -82,12 +75,6 @@ protected:
}
return true;
}
private:
SkScalar fRX, fRY, fRZ;
typedef Sample INHERITED;
};
//////////////////////////////////////////////////////////////////////////////
} // namespace
DEF_SAMPLE( return new CameraView(); )