7b06ba45b3
git-svn-id: http://skia.googlecode.com/svn/trunk@9294 2bbb7eff-a529-9590-31e7-b0007b416f81
121 lines
3.3 KiB
C++
121 lines
3.3 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 "gm.h"
|
|
#include "SkGradientShader.h"
|
|
|
|
#include "SkTypeface.h"
|
|
#include "SkImageDecoder.h"
|
|
|
|
static void setTypeface(SkPaint* paint, const char name[], SkTypeface::Style style) {
|
|
SkSafeUnref(paint->setTypeface(SkTypeface::CreateFromName(name, style)));
|
|
}
|
|
|
|
static void load_bm(SkBitmap* bm) {
|
|
// SkImageDecoder::DecodeFile("/skia/trunk/books.jpg", bm);
|
|
|
|
bm->setConfig(SkBitmap::kARGB_8888_Config, 160, 120);
|
|
bm->allocPixels();
|
|
SkCanvas canvas(*bm);
|
|
canvas.drawColor(SK_ColorWHITE);
|
|
|
|
SkPaint paint;
|
|
paint.setAntiAlias(true);
|
|
paint.setSubpixelText(true);
|
|
paint.setTextSize(17);
|
|
|
|
setTypeface(&paint, "Times", SkTypeface::kNormal);
|
|
canvas.drawText("Hamburgefons", 12, 10, 25, paint);
|
|
setTypeface(&paint, "Times", SkTypeface::kBold);
|
|
canvas.drawText("Hamburgefons", 12, 10, 50, paint);
|
|
setTypeface(&paint, "Times", SkTypeface::kItalic);
|
|
canvas.drawText("Hamburgefons", 12, 10, 75, paint);
|
|
setTypeface(&paint, "Times", SkTypeface::kBoldItalic);
|
|
canvas.drawText("Hamburgefons", 12, 10, 100, paint);
|
|
}
|
|
|
|
static SkSize computeSize(const SkBitmap& bm, const SkMatrix& mat) {
|
|
SkRect bounds = SkRect::MakeWH(SkIntToScalar(bm.width()),
|
|
SkIntToScalar(bm.height()));
|
|
mat.mapRect(&bounds);
|
|
return SkSize::Make(bounds.width(), bounds.height());
|
|
}
|
|
|
|
static void draw_col(SkCanvas* canvas, const SkBitmap& bm, const SkMatrix& mat,
|
|
SkScalar dx) {
|
|
SkPaint paint;
|
|
|
|
SkAutoCanvasRestore acr(canvas, true);
|
|
|
|
canvas->drawBitmapMatrix(bm, mat, &paint);
|
|
|
|
paint.setFilterBitmap(true);
|
|
canvas->translate(dx, 0);
|
|
canvas->drawBitmapMatrix(bm, mat, &paint);
|
|
|
|
paint.setFlags(paint.getFlags() | SkPaint::kBicubicFilterBitmap_Flag);
|
|
canvas->translate(dx, 0);
|
|
canvas->drawBitmapMatrix(bm, mat, &paint);
|
|
}
|
|
|
|
class FilterBitmapGM : public skiagm::GM {
|
|
bool fOnce;
|
|
void init() {
|
|
if (fOnce) {
|
|
return;
|
|
}
|
|
fOnce = true;
|
|
load_bm(&fBM);
|
|
|
|
SkScalar cx = SkScalarHalf(fBM.width());
|
|
SkScalar cy = SkScalarHalf(fBM.height());
|
|
SkScalar scale = 1.6f;
|
|
|
|
fMatrix[0].setScale(scale, scale);
|
|
fMatrix[1].setRotate(30, cx, cy); fMatrix[1].postScale(scale, scale);
|
|
}
|
|
|
|
public:
|
|
SkBitmap fBM;
|
|
SkMatrix fMatrix[2];
|
|
|
|
FilterBitmapGM() : fOnce(false) {
|
|
this->setBGColor(0xFFDDDDDD);
|
|
}
|
|
|
|
protected:
|
|
virtual SkString onShortName() SK_OVERRIDE {
|
|
return SkString("filterbitmap");
|
|
}
|
|
|
|
virtual SkISize onISize() SK_OVERRIDE {
|
|
return SkISize::Make(920, 480);
|
|
}
|
|
|
|
virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
|
|
this->init();
|
|
|
|
canvas->translate(10, 10);
|
|
for (size_t i = 0; i < SK_ARRAY_COUNT(fMatrix); ++i) {
|
|
SkSize size = computeSize(fBM, fMatrix[i]);
|
|
size.fWidth += 20;
|
|
size.fHeight += 20;
|
|
|
|
draw_col(canvas, fBM, fMatrix[i], size.fWidth);
|
|
canvas->translate(0, size.fHeight);
|
|
}
|
|
}
|
|
|
|
private:
|
|
typedef skiagm::GM INHERITED;
|
|
};
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
|
|
DEF_GM( return new FilterBitmapGM; )
|
|
|