skia2/samplecode/SampleImageDir.cpp
rmistry@google.com ae933ce0ea Result of running tools/sanitize_source_files.py (which was added in https://codereview.appspot.com/6465078/)
This CL is part III of IV (I broke down the 1280 files into 4 CLs).
Review URL: https://codereview.appspot.com/6475053

git-svn-id: http://skia.googlecode.com/svn/trunk@5264 2bbb7eff-a529-9590-31e7-b0007b416f81
2012-08-23 18:19:56 +00:00

322 lines
8.8 KiB
C++

/*
* 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 "SampleCode.h"
#include "SkView.h"
#include "SkCanvas.h"
#include "SkGradientShader.h"
#include "SkGraphics.h"
#include "SkImageDecoder.h"
#include "SkPath.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);
if (!bitmap.pixelRef()) {
return;
}
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(SkIntToScalar(284), SkIntToScalar(40), SkIntToScalar(1370), SkIntToScalar(708));
// ret = canvas.clipRect(skclip);
// SkASSERT(ret);
matrix.set(SkMatrix::kMTransX, SkFloatToScalar(-1153.28f));
matrix.set(SkMatrix::kMTransY, SkFloatToScalar(1180.50f));
matrix.set(SkMatrix::kMScaleX, SkFloatToScalar(0.177171f));
matrix.set(SkMatrix::kMScaleY, SkFloatToScalar(0.177043f));
matrix.set(SkMatrix::kMSkewX, SkFloatToScalar(0.126968f));
matrix.set(SkMatrix::kMSkewY, SkFloatToScalar(-0.126876f));
matrix.set(SkMatrix::kMPersp0, SkFloatToScalar(0.0f));
matrix.set(SkMatrix::kMPersp1, SkFloatToScalar(0.0f));
ret = canvas.concat(matrix);
paint.setAntiAlias(true);
paint.setColor(0xb2202020);
paint.setStyle(SkPaint::kStroke_Style);
paint.setStrokeWidth(SkFloatToScalar(68.13f));
SkRect r;
r.set(SkFloatToScalar(-313.714417f), SkFloatToScalar(-4.826389f), SkFloatToScalar(18014.447266f), SkFloatToScalar(1858.154541f));
canvas.drawRoundRect(r, SkFloatToScalar(91.756363f), SkFloatToScalar(91.756363f), 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);