зеркало из https://github.com/mozilla/moz-skia.git
312 строки
8.7 KiB
C++
312 строки
8.7 KiB
C++
#include "SampleCode.h"
|
|
#include "SkView.h"
|
|
#include "SkCanvas.h"
|
|
#include "SkGradientShader.h"
|
|
#include "SkGraphics.h"
|
|
#include "SkImageDecoder.h"
|
|
#include "SkPath.h"
|
|
#include "SkPorterDuff.h"
|
|
#include "SkRegion.h"
|
|
#include "SkShader.h"
|
|
#include "SkUtils.h"
|
|
#include "SkXfermode.h"
|
|
#include "SkComposeShader.h"
|
|
#include "SkColorPriv.h"
|
|
#include "SkColorFilter.h"
|
|
#include "SkTime.h"
|
|
#include "SkTypeface.h"
|
|
|
|
#include "SkImageRef_GlobalPool.h"
|
|
#include "SkOSFile.h"
|
|
#include "SkStream.h"
|
|
|
|
#include "SkBlurDrawLooper.h"
|
|
#include "SkColorMatrixFilter.h"
|
|
|
|
static void drawmarshmallow(SkCanvas* canvas) {
|
|
SkBitmap bitmap;
|
|
SkPaint paint;
|
|
SkRect r;
|
|
SkMatrix m;
|
|
|
|
SkImageDecoder::DecodeFile("/Users/reed/Downloads/3elfs.jpg", &bitmap);
|
|
SkShader* s = SkShader::CreateBitmapShader(bitmap,
|
|
SkShader::kRepeat_TileMode,
|
|
SkShader::kRepeat_TileMode);
|
|
paint.setShader(s)->unref();
|
|
m.setTranslate(SkIntToScalar(250), SkIntToScalar(134));
|
|
s->setLocalMatrix(m);
|
|
|
|
r.set(SkIntToScalar(250),
|
|
SkIntToScalar(134),
|
|
SkIntToScalar(250 + 449),
|
|
SkIntToScalar(134 + 701));
|
|
paint.setFlags(2);
|
|
|
|
canvas->drawRect(r, paint);
|
|
}
|
|
|
|
static void DrawRoundRect(SkCanvas& canvas) {
|
|
bool ret = false;
|
|
SkPaint paint;
|
|
SkBitmap bitmap;
|
|
SkMatrix matrix;
|
|
matrix.reset();
|
|
|
|
bitmap.setConfig(SkBitmap::kARGB_8888_Config, 1370, 812);
|
|
bitmap.allocPixels();
|
|
#if 0
|
|
SkCanvas canvas;
|
|
canvas.setBitmapDevice(bitmap);
|
|
#endif
|
|
|
|
// set up clipper
|
|
SkRect skclip;
|
|
skclip.set(SkIntToFixed(284), SkIntToFixed(40), SkIntToFixed(1370), SkIntToFixed(708));
|
|
|
|
// ret = canvas.clipRect(skclip);
|
|
// SkASSERT(ret);
|
|
|
|
matrix.set(SkMatrix::kMTransX, SkFloatToFixed(-1153.28));
|
|
matrix.set(SkMatrix::kMTransY, SkFloatToFixed(1180.50));
|
|
|
|
matrix.set(SkMatrix::kMScaleX, SkFloatToFixed(0.177171));
|
|
matrix.set(SkMatrix::kMScaleY, SkFloatToFixed(0.177043));
|
|
|
|
matrix.set(SkMatrix::kMSkewX, SkFloatToFixed(0.126968));
|
|
matrix.set(SkMatrix::kMSkewY, SkFloatToFixed(-0.126876));
|
|
|
|
matrix.set(SkMatrix::kMPersp0, SkFloatToFixed(0.0));
|
|
matrix.set(SkMatrix::kMPersp1, SkFloatToFixed(0.0));
|
|
|
|
ret = canvas.concat(matrix);
|
|
|
|
paint.setAntiAlias(true);
|
|
paint.setColor(0xb2202020);
|
|
paint.setStyle(SkPaint::kStroke_Style);
|
|
paint.setStrokeWidth(SkFloatToFixed(68.13));
|
|
|
|
SkRect r;
|
|
r.set(SkFloatToFixed(-313.714417), SkFloatToFixed(-4.826389), SkFloatToFixed(18014.447266), SkFloatToFixed(1858.154541));
|
|
canvas.drawRoundRect(r, SkFloatToFixed(91.756363), SkFloatToFixed(91.756363), paint);
|
|
}
|
|
|
|
static bool SetImageRef(SkBitmap* bitmap, SkStream* stream,
|
|
SkBitmap::Config pref, const char name[] = NULL) {
|
|
#if 0
|
|
// test buffer streams
|
|
SkStream* str = new SkBufferStream(stream, 717);
|
|
stream->unref();
|
|
stream = str;
|
|
#endif
|
|
|
|
SkImageRef* ref = new SkImageRef_GlobalPool(stream, pref, 1);
|
|
ref->setURI(name);
|
|
if (!ref->getInfo(bitmap)) {
|
|
delete ref;
|
|
return false;
|
|
}
|
|
bitmap->setPixelRef(ref)->unref();
|
|
return true;
|
|
}
|
|
|
|
//#define SPECIFIC_IMAGE "/skimages/72.jpg"
|
|
#define SPECIFIC_IMAGE "/Users/reed/Downloads/3elfs.jpg"
|
|
|
|
#define IMAGE_DIR "/skimages/"
|
|
#define IMAGE_SUFFIX ".gif"
|
|
|
|
class ImageDirView : public SkView {
|
|
public:
|
|
SkBitmap* fBitmaps;
|
|
SkString* fStrings;
|
|
int fBitmapCount;
|
|
int fCurrIndex;
|
|
SkScalar fSaturation;
|
|
SkScalar fAngle;
|
|
|
|
ImageDirView() {
|
|
SkImageRef_GlobalPool::SetRAMBudget(320 * 1024);
|
|
|
|
#ifdef SPECIFIC_IMAGE
|
|
fBitmaps = new SkBitmap[3];
|
|
fStrings = new SkString[3];
|
|
fBitmapCount = 3;
|
|
const SkBitmap::Config configs[] = {
|
|
SkBitmap::kARGB_8888_Config,
|
|
SkBitmap::kRGB_565_Config,
|
|
SkBitmap::kARGB_4444_Config
|
|
};
|
|
for (int i = 0; i < fBitmapCount; i++) {
|
|
#if 1
|
|
SkStream* stream = new SkFILEStream(SPECIFIC_IMAGE);
|
|
SetImageRef(&fBitmaps[i], stream, configs[i], SPECIFIC_IMAGE);
|
|
stream->unref();
|
|
#else
|
|
SkImageDecoder::DecodeFile(SPECIFIC_IMAGE, &fBitmaps[i]);
|
|
#endif
|
|
}
|
|
#else
|
|
int i, N = 0;
|
|
SkOSFile::Iter iter(IMAGE_DIR, IMAGE_SUFFIX);
|
|
SkString name;
|
|
while (iter.next(&name)) {
|
|
N += 1;
|
|
}
|
|
fBitmaps = new SkBitmap[N];
|
|
fStrings = new SkString[N];
|
|
iter.reset(IMAGE_DIR, IMAGE_SUFFIX);
|
|
for (i = 0; i < N; i++) {
|
|
iter.next(&name);
|
|
SkString path(IMAGE_DIR);
|
|
path.append(name);
|
|
SkStream* stream = new SkFILEStream(path.c_str());
|
|
|
|
SetImageRef(&fBitmaps[i], stream, SkBitmap::kNo_Config,
|
|
name.c_str());
|
|
stream->unref();
|
|
fStrings[i] = name;
|
|
}
|
|
fBitmapCount = N;
|
|
#endif
|
|
fCurrIndex = 0;
|
|
fDX = fDY = 0;
|
|
|
|
fSaturation = SK_Scalar1;
|
|
fAngle = 0;
|
|
|
|
fScale = SK_Scalar1;
|
|
}
|
|
|
|
virtual ~ImageDirView() {
|
|
delete[] fBitmaps;
|
|
delete[] fStrings;
|
|
|
|
SkImageRef_GlobalPool::DumpPool();
|
|
}
|
|
|
|
protected:
|
|
// overrides from SkEventSink
|
|
virtual bool onQuery(SkEvent* evt) {
|
|
if (SampleCode::TitleQ(*evt)) {
|
|
SkString str("ImageDir: ");
|
|
#ifdef SPECIFIC_IMAGE
|
|
str.append(SPECIFIC_IMAGE);
|
|
#else
|
|
str.append(IMAGE_DIR);
|
|
#endif
|
|
SampleCode::TitleR(evt, str.c_str());
|
|
return true;
|
|
}
|
|
return this->INHERITED::onQuery(evt);
|
|
}
|
|
|
|
void drawBG(SkCanvas* canvas) {
|
|
// canvas->drawColor(0xFFDDDDDD);
|
|
canvas->drawColor(SK_ColorGRAY);
|
|
canvas->drawColor(SK_ColorWHITE);
|
|
}
|
|
|
|
SkScalar fScale;
|
|
virtual void onDraw(SkCanvas* canvas) {
|
|
this->drawBG(canvas);
|
|
|
|
if (true) {
|
|
canvas->scale(SkIntToScalar(2), SkIntToScalar(2));
|
|
drawmarshmallow(canvas);
|
|
return;
|
|
}
|
|
|
|
if (false) {
|
|
SkPaint p;
|
|
p.setStyle(SkPaint::kStroke_Style);
|
|
p.setStrokeWidth(SkIntToScalar(4));
|
|
canvas->drawCircle(SkIntToScalar(100), SkIntToScalar(100), SkIntToScalar(50), p);
|
|
p.setAntiAlias(true);
|
|
canvas->drawCircle(SkIntToScalar(300), SkIntToScalar(100), SkIntToScalar(50), p);
|
|
}
|
|
if (false) {
|
|
SkScalar cx = this->width()/2;
|
|
SkScalar cy = this->height()/2;
|
|
canvas->translate(cx, cy);
|
|
canvas->scale(fScale, fScale);
|
|
canvas->translate(-cx, -cy);
|
|
DrawRoundRect(*canvas);
|
|
return;
|
|
}
|
|
|
|
canvas->translate(SkIntToScalar(10), SkIntToScalar(10));
|
|
|
|
SkScalar x = SkIntToScalar(32), y = SkIntToScalar(32);
|
|
SkPaint paint;
|
|
|
|
#if 0
|
|
for (int i = 0; i < fBitmapCount; i++) {
|
|
SkPaint p;
|
|
|
|
#if 1
|
|
const SkScalar cm[] = {
|
|
SkIntToScalar(2), 0, 0, 0, SkIntToScalar(-255),
|
|
0, SkIntToScalar(2), 0, 0, SkIntToScalar(-255),
|
|
0, 0, SkIntToScalar(2), 0, SkIntToScalar(-255),
|
|
0, 0, 0, SkIntToScalar(1), 0
|
|
};
|
|
SkColorFilter* cf = new SkColorMatrixFilter(cm);
|
|
p.setColorFilter(cf)->unref();
|
|
#endif
|
|
|
|
canvas->drawBitmap(fBitmaps[i], x, y, &p);
|
|
x += SkIntToScalar(fBitmaps[i].width() + 10);
|
|
}
|
|
return;
|
|
#endif
|
|
|
|
canvas->drawBitmap(fBitmaps[fCurrIndex], x, y, &paint);
|
|
#ifndef SPECIFIC_IMAGE
|
|
if (true) {
|
|
fCurrIndex += 1;
|
|
if (fCurrIndex >= fBitmapCount) {
|
|
fCurrIndex = 0;
|
|
}
|
|
this->inval(NULL);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
virtual SkView::Click* onFindClickHandler(SkScalar x, SkScalar y) {
|
|
if (true) {
|
|
fCurrIndex += 1;
|
|
if (fCurrIndex >= fBitmapCount)
|
|
fCurrIndex = 0;
|
|
this->inval(NULL);
|
|
}
|
|
return new Click(this);
|
|
}
|
|
|
|
virtual bool onClick(Click* click) {
|
|
SkScalar center = this->width()/2;
|
|
fSaturation = SkScalarDiv(click->fCurr.fX - center, center/2);
|
|
center = this->height()/2;
|
|
fAngle = SkScalarDiv(click->fCurr.fY - center, center) * 180;
|
|
|
|
fDX += click->fCurr.fX - click->fPrev.fX;
|
|
fDY += click->fCurr.fY - click->fPrev.fY;
|
|
|
|
fScale = SkScalarDiv(click->fCurr.fX, this->width());
|
|
|
|
this->inval(NULL);
|
|
return true;
|
|
return this->INHERITED::onClick(click);
|
|
}
|
|
|
|
private:
|
|
SkScalar fDX, fDY;
|
|
typedef SkView INHERITED;
|
|
};
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
|
|
static SkView* MyFactory() { return new ImageDirView; }
|
|
static SkViewRegister reg(MyFactory);
|
|
|