2012-07-29 20:38:16 +00:00
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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 "gm.h"
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#include "SkSurface.h"
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#include "SkCanvas.h"
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2012-07-31 03:57:11 +00:00
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#include "SkStream.h"
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#include "SkData.h"
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2012-10-31 14:48:39 +00:00
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#if SK_SUPPORT_GPU
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#include "GrContext.h"
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#endif
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2012-08-28 12:19:02 +00:00
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2012-07-31 03:57:11 +00:00
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static SkData* fileToData(const char path[]) {
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SkFILEStream stream(path);
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if (!stream.isValid()) {
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return SkData::NewEmpty();
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}
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size_t size = stream.getLength();
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void* mem = sk_malloc_throw(size);
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stream.read(mem, size);
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return SkData::NewFromMalloc(mem, size);
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}
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static void drawJpeg(SkCanvas* canvas, const SkISize& size) {
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2013-05-28 16:45:07 +00:00
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// TODO: Make this draw a file that is checked in, so it can
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// be exercised on machines other than mike's. Will require a
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// rebaseline.
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2012-07-31 03:57:11 +00:00
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SkAutoDataUnref data(fileToData("/Users/mike/Downloads/skia.google.jpeg"));
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SkImage* image = SkImage::NewEncodedData(data);
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if (image) {
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SkAutoCanvasRestore acr(canvas, true);
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canvas->scale(size.width() * 1.0f / image->width(),
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size.height() * 1.0f / image->height());
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2013-07-23 15:52:16 +00:00
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image->draw(canvas, 0, 0, NULL);
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2012-07-31 03:57:11 +00:00
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image->unref();
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}
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}
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2012-07-29 20:38:16 +00:00
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static void drawContents(SkSurface* surface, SkColor fillC) {
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2012-09-07 02:01:30 +00:00
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SkSize size = SkSize::Make(SkIntToScalar(surface->width()),
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2012-09-06 18:43:21 +00:00
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SkIntToScalar(surface->height()));
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2012-07-31 02:45:15 +00:00
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SkCanvas* canvas = surface->getCanvas();
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2012-07-29 20:38:16 +00:00
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SkScalar stroke = size.fWidth / 10;
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SkScalar radius = (size.fWidth - stroke) / 2;
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SkPaint paint;
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2012-08-23 18:19:56 +00:00
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2012-07-29 20:38:16 +00:00
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paint.setAntiAlias(true);
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paint.setColor(fillC);
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canvas->drawCircle(size.fWidth/2, size.fHeight/2, radius, paint);
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2012-08-23 18:19:56 +00:00
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2012-07-29 20:38:16 +00:00
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paint.setStyle(SkPaint::kStroke_Style);
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paint.setStrokeWidth(stroke);
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paint.setColor(SK_ColorBLACK);
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canvas->drawCircle(size.fWidth/2, size.fHeight/2, radius, paint);
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}
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2013-07-23 15:52:16 +00:00
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static void test_surface(SkCanvas* canvas, SkSurface* surf, bool usePaint) {
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2012-07-29 20:38:16 +00:00
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drawContents(surf, SK_ColorRED);
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2013-04-12 20:20:50 +00:00
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SkImage* imgR = surf->newImageSnapshot();
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2012-07-29 20:38:16 +00:00
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2012-08-28 12:19:02 +00:00
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if (true) {
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SkImage* imgR2 = surf->newImageSnapshot();
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SkASSERT(imgR == imgR2);
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imgR2->unref();
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}
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2012-07-29 20:38:16 +00:00
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drawContents(surf, SK_ColorGREEN);
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2013-04-12 20:20:50 +00:00
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SkImage* imgG = surf->newImageSnapshot();
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2012-07-29 20:38:16 +00:00
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2012-08-28 12:19:02 +00:00
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// since we've drawn after we snapped imgR, imgG will be a different obj
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SkASSERT(imgR != imgG);
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2012-07-29 20:38:16 +00:00
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drawContents(surf, SK_ColorBLUE);
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2012-07-31 02:45:15 +00:00
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SkPaint paint;
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// paint.setFilterBitmap(true);
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// paint.setAlpha(0x80);
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2013-07-23 15:52:16 +00:00
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imgR->draw(canvas, 0, 0, usePaint ? &paint : NULL);
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imgG->draw(canvas, 0, 80, usePaint ? &paint : NULL);
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surf->draw(canvas, 0, 160, usePaint ? &paint : NULL);
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SkRect src1, src2, src3;
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src1.iset(0, 0, surf->width(), surf->height());
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2013-07-24 07:01:12 +00:00
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src2.iset(-surf->width() / 2, -surf->height() / 2,
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2013-07-23 15:52:16 +00:00
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surf->width(), surf->height());
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src3.iset(0, 0, surf->width() / 2, surf->height() / 2);
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SkRect dst1, dst2, dst3, dst4;
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dst1.set(0, 240, 65, 305);
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dst2.set(0, 320, 65, 385);
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dst3.set(0, 400, 65, 465);
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dst4.set(0, 480, 65, 545);
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imgR->draw(canvas, &src1, dst1, usePaint ? &paint : NULL);
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imgG->draw(canvas, &src2, dst2, usePaint ? &paint : NULL);
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imgR->draw(canvas, &src3, dst3, usePaint ? &paint : NULL);
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imgG->draw(canvas, NULL, dst4, usePaint ? &paint : NULL);
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2012-07-29 20:38:16 +00:00
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imgG->unref();
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imgR->unref();
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}
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class ImageGM : public skiagm::GM {
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void* fBuffer;
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2012-07-30 18:20:12 +00:00
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size_t fBufferSize;
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2012-07-29 20:38:16 +00:00
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SkSize fSize;
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enum {
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W = 64,
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H = 64,
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RB = W * 4 + 8,
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};
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public:
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ImageGM() {
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2012-07-30 18:20:12 +00:00
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fBufferSize = RB * H;
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fBuffer = sk_malloc_throw(fBufferSize);
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2012-07-29 20:38:16 +00:00
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fSize.set(SkIntToScalar(W), SkIntToScalar(H));
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}
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2012-08-23 18:19:56 +00:00
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2012-07-29 20:38:16 +00:00
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virtual ~ImageGM() {
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sk_free(fBuffer);
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}
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2012-08-23 18:19:56 +00:00
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2012-07-29 20:38:16 +00:00
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protected:
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virtual SkString onShortName() {
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2012-10-31 14:48:39 +00:00
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return SkString("image-surface");
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2012-07-29 20:38:16 +00:00
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}
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2012-08-23 18:19:56 +00:00
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2012-07-29 20:38:16 +00:00
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virtual SkISize onISize() {
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return SkISize::Make(960, 1200);
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2012-07-29 20:38:16 +00:00
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}
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2012-08-23 18:19:56 +00:00
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2012-07-29 20:38:16 +00:00
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virtual void onDraw(SkCanvas* canvas) {
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2012-07-31 03:57:11 +00:00
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drawJpeg(canvas, this->getISize());
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2012-07-31 02:45:15 +00:00
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canvas->scale(2, 2);
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2012-10-31 14:48:39 +00:00
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static const char* kLabel1 = "Original Img";
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static const char* kLabel2 = "Modified Img";
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static const char* kLabel3 = "Cur Surface";
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2013-07-23 15:52:16 +00:00
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static const char* kLabel4 = "Full Crop";
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static const char* kLabel5 = "Over-crop";
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static const char* kLabel6 = "Upper-left";
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static const char* kLabel7 = "No Crop";
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2012-10-31 14:48:39 +00:00
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2013-07-23 15:52:16 +00:00
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static const char* kLabel8 = "Pre-Alloc Img";
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static const char* kLabel9 = "New Alloc Img";
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static const char* kLabel10 = "SkPicture";
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static const char* kLabel11 = "Null Paint";
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static const char* kLabel12 = "GPU";
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2012-10-31 14:48:39 +00:00
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SkPaint textPaint;
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canvas->drawText(kLabel1, strlen(kLabel1), 10, 60, textPaint);
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canvas->drawText(kLabel2, strlen(kLabel2), 10, 140, textPaint);
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canvas->drawText(kLabel3, strlen(kLabel3), 10, 220, textPaint);
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2013-07-23 15:52:16 +00:00
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canvas->drawText(kLabel4, strlen(kLabel4), 10, 300, textPaint);
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canvas->drawText(kLabel5, strlen(kLabel5), 10, 380, textPaint);
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canvas->drawText(kLabel6, strlen(kLabel6), 10, 460, textPaint);
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canvas->drawText(kLabel7, strlen(kLabel7), 10, 540, textPaint);
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2012-10-31 14:48:39 +00:00
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2013-07-23 15:52:16 +00:00
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canvas->drawText(kLabel8, strlen(kLabel8), 80, 10, textPaint);
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canvas->drawText(kLabel9, strlen(kLabel9), 160, 10, textPaint);
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canvas->drawText(kLabel10, strlen(kLabel10), 250, 10, textPaint);
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canvas->drawText(kLabel11, strlen(kLabel11), 320, 10, textPaint);
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canvas->drawText(kLabel12, strlen(kLabel12), 410, 10, textPaint);
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2012-10-31 14:48:39 +00:00
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canvas->translate(80, 20);
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2012-07-30 18:20:12 +00:00
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// since we draw into this directly, we need to start fresh
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sk_bzero(fBuffer, fBufferSize);
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2012-07-29 20:38:16 +00:00
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SkImage::Info info;
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info.fWidth = W;
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info.fHeight = H;
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info.fColorType = SkImage::kPMColor_ColorType;
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info.fAlphaType = SkImage::kPremul_AlphaType;
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2012-11-15 02:37:45 +00:00
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SkAutoTUnref<SkSurface> surf0(SkSurface::NewRasterDirect(info, fBuffer, RB));
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SkAutoTUnref<SkSurface> surf1(SkSurface::NewRaster(info));
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2012-07-29 20:38:16 +00:00
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SkAutoTUnref<SkSurface> surf2(SkSurface::NewPicture(info.fWidth, info.fHeight));
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2013-07-23 15:52:16 +00:00
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SkAutoTUnref<SkSurface> surf3(SkSurface::NewPicture(info.fWidth, info.fHeight));
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2012-10-31 14:48:39 +00:00
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#if SK_SUPPORT_GPU
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2013-09-16 20:42:15 +00:00
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GrContext* ctx = GM::GetGr(canvas);
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2012-10-31 14:48:39 +00:00
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2013-07-23 15:52:16 +00:00
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SkAutoTUnref<SkSurface> surf4(SkSurface::NewRenderTarget(ctx, info, 0));
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2012-10-31 14:48:39 +00:00
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#endif
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2012-07-29 20:38:16 +00:00
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2013-07-23 15:52:16 +00:00
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test_surface(canvas, surf0, true);
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canvas->translate(80, 0);
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test_surface(canvas, surf1, true);
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2012-07-29 20:38:16 +00:00
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canvas->translate(80, 0);
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2013-07-23 15:52:16 +00:00
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test_surface(canvas, surf2, true);
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2012-07-29 20:38:16 +00:00
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canvas->translate(80, 0);
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2013-07-23 15:52:16 +00:00
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test_surface(canvas, surf3, false);
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2012-10-31 14:48:39 +00:00
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#if SK_SUPPORT_GPU
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if (NULL != ctx) {
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canvas->translate(80, 0);
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2013-07-23 15:52:16 +00:00
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test_surface(canvas, surf4, true);
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2012-10-31 14:48:39 +00:00
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}
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#endif
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2012-07-29 20:38:16 +00:00
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}
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2012-08-23 18:19:56 +00:00
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2012-08-28 12:19:02 +00:00
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virtual uint32_t onGetFlags() const SK_OVERRIDE {
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2012-08-28 15:54:54 +00:00
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return GM::kSkipPicture_Flag | GM::kSkipPipe_Flag;
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2012-08-28 12:19:02 +00:00
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}
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2012-07-29 20:38:16 +00:00
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private:
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typedef skiagm::GM INHERITED;
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};
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2012-08-23 18:19:56 +00:00
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2012-07-29 20:38:16 +00:00
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//////////////////////////////////////////////////////////////////////////////
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static skiagm::GM* MyFactory(void*) { return new ImageGM; }
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static skiagm::GMRegistry reg(MyFactory);
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