f2de1e286b
BUG= Review URL: https://codereview.chromium.org/16123003 git-svn-id: http://skia.googlecode.com/svn/trunk@9291 2bbb7eff-a529-9590-31e7-b0007b416f81
115 lines
3.2 KiB
C++
115 lines
3.2 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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static void load_bm(SkBitmap* bm) {
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// SkImageDecoder::DecodeFile("/skia/trunk/books.jpg", bm);
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bm->setConfig(SkBitmap::kARGB_8888_Config, 160, 120);
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bm->allocPixels();
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SkCanvas canvas(*bm);
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canvas.drawColor(SK_ColorWHITE);
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SkPaint paint;
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paint.setAntiAlias(true);
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paint.setSubpixelText(true);
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paint.setTextSize(17);
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paint.setTypeface(SkTypeface::CreateFromName("Times", SkTypeface::kNormal))->unref();
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canvas.drawText("Hamburgefons", 12, 10, 25, paint);
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paint.setTypeface(SkTypeface::CreateFromName("Times", SkTypeface::kItalic))->unref();
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canvas.drawText("Hamburgefons", 12, 10, 50, paint);
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paint.setTypeface(SkTypeface::CreateFromName("Times", SkTypeface::kBold))->unref();
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canvas.drawText("Hamburgefons", 12, 10, 75, paint);
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paint.setTypeface(SkTypeface::CreateFromName("Times", SkTypeface::kBoldItalic))->unref();
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canvas.drawText("Hamburgefons", 12, 10, 100, paint);
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}
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static SkSize computeSize(const SkBitmap& bm, const SkMatrix& mat) {
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SkRect bounds = { 0, 0, bm.width(), 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_col(SkCanvas* canvas, const SkBitmap& bm, const SkMatrix& mat,
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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.setFilterBitmap(true);
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canvas->translate(dx, 0);
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canvas->drawBitmapMatrix(bm, mat, &paint);
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paint.setFlags(paint.getFlags() | SkPaint::kBicubicFilterBitmap_Flag);
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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 FilterBitmapGM : public skiagm::GM {
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bool fOnce;
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void init() {
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if (fOnce) {
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return;
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}
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fOnce = true;
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load_bm(&fBM);
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SkScalar cx = SkScalarHalf(fBM.width());
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SkScalar cy = SkScalarHalf(fBM.height());
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SkScalar scale = 1.6f;
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fMatrix[0].setScale(scale, scale);
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fMatrix[1].setRotate(30, cx, cy); fMatrix[1].postScale(scale, scale);
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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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FilterBitmapGM() : fOnce(false) {
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this->setBGColor(0xFFDDDDDD);
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}
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protected:
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virtual SkString onShortName() SK_OVERRIDE {
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return SkString("filterbitmap");
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}
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virtual SkISize onISize() SK_OVERRIDE {
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return SkISize::Make(920, 480);
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}
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virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
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this->init();
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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_col(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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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 FilterBitmapGM; )
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