4469938e92
This reverts commit 1e787c38fa71f2a21fd728f1b1d620b9b09b0d3d. BUG= Review URL: https://codereview.chromium.org/54603004 git-svn-id: http://skia.googlecode.com/svn/trunk@12057 2bbb7eff-a529-9590-31e7-b0007b416f81
123 lines
4.1 KiB
C++
123 lines
4.1 KiB
C++
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/*
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* Copyright 2011 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "SampleCode.h"
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#include "SkView.h"
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#include "SkCanvas.h"
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#include "SkGradientShader.h"
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#include "SkGraphics.h"
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#include "SkImageDecoder.h"
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#include "SkPath.h"
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#include "SkRegion.h"
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#include "SkShader.h"
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#include "SkUtils.h"
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#include "SkXfermode.h"
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#include "SkColorPriv.h"
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#include "SkColorFilter.h"
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#include "SkTime.h"
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static const char* gNames[] = {
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"/skimages/background_01.png"
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};
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class Filter2View : public SampleView {
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public:
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SkBitmap* fBitmaps;
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int fBitmapCount;
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int fCurrIndex;
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Filter2View() {
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fBitmapCount = SK_ARRAY_COUNT(gNames)*2;
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fBitmaps = new SkBitmap[fBitmapCount];
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for (int i = 0; i < fBitmapCount/2; i++) {
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SkImageDecoder::DecodeFile(gNames[i], &fBitmaps[i],
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SkBitmap::kARGB_8888_Config,
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SkImageDecoder::kDecodePixels_Mode, NULL);
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}
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for (int i = fBitmapCount/2; i < fBitmapCount; i++) {
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SkImageDecoder::DecodeFile(gNames[i-fBitmapCount/2], &fBitmaps[i],
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SkBitmap::kRGB_565_Config,
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SkImageDecoder::kDecodePixels_Mode, NULL);
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}
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fCurrIndex = 0;
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this->setBGColor(SK_ColorGRAY);
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}
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virtual ~Filter2View() {
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delete[] fBitmaps;
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}
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protected:
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// overrides from SkEventSink
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virtual bool onQuery(SkEvent* evt) {
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if (SampleCode::TitleQ(*evt)) {
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SkString str("Filter/Dither ");
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str.append(gNames[fCurrIndex]);
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SampleCode::TitleR(evt, str.c_str());
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return true;
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}
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return this->INHERITED::onQuery(evt);
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}
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virtual void onDrawContent(SkCanvas* canvas) {
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canvas->translate(SkIntToScalar(10), SkIntToScalar(50));
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const SkScalar W = SkIntToScalar(fBitmaps[0].width() + 1);
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const SkScalar H = SkIntToScalar(fBitmaps[0].height() + 1);
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SkPaint paint;
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const SkScalar scale = SkFloatToScalar(0.897917f);
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canvas->scale(SK_Scalar1, scale);
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for (int k = 0; k < 2; k++) {
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paint.setFilterLevel(k == 1 ? SkPaint::kLow_FilterLevel : SkPaint::kNone_FilterLevel);
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for (int j = 0; j < 2; j++) {
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paint.setDither(j == 1);
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for (int i = 0; i < fBitmapCount; i++) {
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SkScalar x = (k * fBitmapCount + j) * W;
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SkScalar y = i * H;
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x = SkIntToScalar(SkScalarRound(x));
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y = SkIntToScalar(SkScalarRound(y));
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canvas->drawBitmap(fBitmaps[i], x, y, &paint);
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if (i == 0) {
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SkPaint p;
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p.setAntiAlias(true);
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p.setTextAlign(SkPaint::kCenter_Align);
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p.setTextSize(SkIntToScalar(18));
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SkString s("dither=");
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s.appendS32(paint.isDither());
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s.append(" filter=");
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s.appendS32(paint.getFilterLevel() != SkPaint::kNone_FilterLevel);
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canvas->drawText(s.c_str(), s.size(), x + W/2,
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y - p.getTextSize(), p);
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}
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if (k+j == 2) {
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SkPaint p;
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p.setAntiAlias(true);
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p.setTextSize(SkIntToScalar(18));
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SkString s;
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s.append(" depth=");
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s.appendS32(fBitmaps[i].config() == SkBitmap::kRGB_565_Config ? 16 : 32);
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canvas->drawText(s.c_str(), s.size(), x + W + SkIntToScalar(4),
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y + H/2, p);
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}
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}
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}
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}
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}
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private:
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typedef SampleView INHERITED;
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};
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//////////////////////////////////////////////////////////////////////////////
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static SkView* MyFactory() { return new Filter2View; }
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static SkViewRegister reg(MyFactory);
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