f449156bd0
due to some struggles with the CQ. Original CL here: https://codereview.chromium.org/298243003/ BUG= R=bsalomon@google.com, epoger@google.com TBR=bsalomon, epoger Author: humper@google.com Review URL: https://codereview.chromium.org/300113008 git-svn-id: http://skia.googlecode.com/svn/trunk@14920 2bbb7eff-a529-9590-31e7-b0007b416f81
140 lines
3.6 KiB
C++
140 lines
3.6 KiB
C++
/*
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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 "SkGradientShader.h"
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#include "SkTypeface.h"
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#include "SkImageDecoder.h"
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#include "SkStream.h"
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#include "SkImageEncoder.h"
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#include "SkBitmapScaler.h"
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#include "SkBitmapProcState.h"
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static SkSize computeSize(const SkBitmap& bm, const SkMatrix& mat) {
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SkRect bounds = SkRect::MakeWH(SkIntToScalar(bm.width()),
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SkIntToScalar(bm.height()));
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mat.mapRect(&bounds);
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return SkSize::Make(bounds.width(), bounds.height());
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}
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static void draw_row(SkCanvas* canvas, const SkBitmap& bm, const SkMatrix& mat, SkScalar dx) {
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SkPaint paint;
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SkAutoCanvasRestore acr(canvas, true);
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canvas->drawBitmapMatrix(bm, mat, &paint);
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paint.setFilterLevel(SkPaint::kLow_FilterLevel);
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canvas->translate(dx, 0);
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canvas->drawBitmapMatrix(bm, mat, &paint);
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paint.setFilterLevel(SkPaint::kMedium_FilterLevel);
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canvas->translate(dx, 0);
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canvas->drawBitmapMatrix(bm, mat, &paint);
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paint.setFilterLevel(SkPaint::kHigh_FilterLevel);
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canvas->translate(dx, 0);
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canvas->drawBitmapMatrix(bm, mat, &paint);
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}
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class FilterIndiaBoxGM : public skiagm::GM {
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void onOnceBeforeDraw() {
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this->makeBitmap();
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SkScalar cx = SkScalarHalf(fBM.width());
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SkScalar cy = SkScalarHalf(fBM.height());
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float vertScale = 30.0f/55.0f;
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float horizScale = 150.0f/200.0f;
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fMatrix[0].setScale(horizScale, vertScale);
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fMatrix[1].setRotate(30, cx, cy); fMatrix[1].postScale(horizScale, vertScale);
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}
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public:
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SkBitmap fBM;
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SkMatrix fMatrix[2];
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SkString fName;
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FilterIndiaBoxGM()
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{
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this->setBGColor(0xFFDDDDDD);
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}
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FilterIndiaBoxGM(const char filename[])
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: fFilename(filename)
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{
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fName.printf("filterindiabox");
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}
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protected:
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virtual uint32_t onGetFlags() const SK_OVERRIDE {
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return kSkipTiled_Flag;
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}
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virtual SkString onShortName() SK_OVERRIDE {
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return fName;
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}
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virtual SkISize onISize() SK_OVERRIDE {
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return SkISize::Make(1024, 768);
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}
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virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
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canvas->translate(10, 10);
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for (size_t i = 0; i < SK_ARRAY_COUNT(fMatrix); ++i) {
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SkSize size = computeSize(fBM, fMatrix[i]);
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size.fWidth += 20;
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size.fHeight += 20;
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draw_row(canvas, fBM, fMatrix[i], size.fWidth);
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canvas->translate(0, size.fHeight);
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}
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}
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protected:
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SkString fFilename;
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int fSize;
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SkScalar getScale() {
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return 192.f/fSize;
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}
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void makeBitmap() {
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SkString path(skiagm::GM::gResourcePath);
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path.append("/");
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path.append(fFilename);
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SkImageDecoder *codec = NULL;
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SkFILEStream stream(path.c_str());
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if (stream.isValid()) {
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codec = SkImageDecoder::Factory(&stream);
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}
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if (codec) {
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stream.rewind();
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codec->decode(&stream, &fBM, SkBitmap::kARGB_8888_Config,
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SkImageDecoder::kDecodePixels_Mode);
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SkDELETE(codec);
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} else {
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fBM.allocN32Pixels(1, 1);
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*(fBM.getAddr32(0,0)) = 0xFF0000FF; // red == bad
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}
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fSize = fBM.height();
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}
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private:
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typedef skiagm::GM INHERITED;
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};
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//////////////////////////////////////////////////////////////////////////////
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DEF_GM( return new FilterIndiaBoxGM("box.gif"); )
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