c3bd8af6d5
fix reference to SkBaseDevice, which was only a problem in no-gpu build This reverts commit 4fa44a6bf73891b21917fb90d02beef9143bffa3. R=reed@google.com Author: reed@chromium.org Review URL: https://codereview.chromium.org/163603003 git-svn-id: http://skia.googlecode.com/svn/trunk@13432 2bbb7eff-a529-9590-31e7-b0007b416f81
119 lines
3.8 KiB
C++
119 lines
3.8 KiB
C++
/*
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* Copyright 2013 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 "SkOffsetImageFilter.h"
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#include "SkBitmapSource.h"
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#define WIDTH 400
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#define HEIGHT 100
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#define MARGIN 12
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namespace skiagm {
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class OffsetImageFilterGM : public GM {
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public:
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OffsetImageFilterGM() : fInitialized(false) {
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this->setBGColor(0xFF000000);
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}
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protected:
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virtual SkString onShortName() {
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return SkString("offsetimagefilter");
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}
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void make_bitmap() {
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fBitmap.allocN32Pixels(80, 80);
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SkCanvas canvas(fBitmap);
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canvas.clear(0x00000000);
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SkPaint paint;
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paint.setAntiAlias(true);
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paint.setColor(0xD000D000);
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paint.setTextSize(SkIntToScalar(96));
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const char* str = "e";
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canvas.drawText(str, strlen(str), SkIntToScalar(15), SkIntToScalar(65), paint);
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}
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void make_checkerboard() {
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fCheckerboard.allocN32Pixels(80, 80);
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SkCanvas canvas(fCheckerboard);
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canvas.clear(0x00000000);
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SkPaint darkPaint;
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darkPaint.setColor(0xFF404040);
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SkPaint lightPaint;
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lightPaint.setColor(0xFFA0A0A0);
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for (int y = 0; y < 80; y += 16) {
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for (int x = 0; x < 80; x += 16) {
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canvas.save();
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canvas.translate(SkIntToScalar(x), SkIntToScalar(y));
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canvas.drawRect(SkRect::MakeXYWH(0, 0, 8, 8), darkPaint);
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canvas.drawRect(SkRect::MakeXYWH(8, 0, 8, 8), lightPaint);
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canvas.drawRect(SkRect::MakeXYWH(0, 8, 8, 8), lightPaint);
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canvas.drawRect(SkRect::MakeXYWH(8, 8, 8, 8), darkPaint);
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canvas.restore();
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}
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}
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}
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virtual SkISize onISize() {
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return make_isize(WIDTH, HEIGHT);
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}
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void drawClippedBitmap(SkCanvas* canvas, const SkBitmap& bitmap, const SkPaint& paint,
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SkScalar x, SkScalar y) {
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canvas->save();
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canvas->translate(x, y);
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canvas->clipRect(SkRect::MakeXYWH(0, 0,
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SkIntToScalar(bitmap.width()), SkIntToScalar(bitmap.height())));
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canvas->drawBitmap(bitmap, 0, 0, &paint);
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canvas->restore();
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}
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virtual void onDraw(SkCanvas* canvas) {
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if (!fInitialized) {
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make_bitmap();
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make_checkerboard();
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fInitialized = true;
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}
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canvas->clear(0x00000000);
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SkPaint paint;
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int x = 0, y = 0;
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for (int i = 0; i < 4; i++) {
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SkBitmap* bitmap = (i & 0x01) ? &fCheckerboard : &fBitmap;
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SkIRect cropRect = SkIRect::MakeXYWH(i * 12,
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i * 8,
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bitmap->width() - i * 8,
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bitmap->height() - i * 12);
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SkImageFilter::CropRect rect(SkRect::Make(cropRect));
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SkAutoTUnref<SkImageFilter> tileInput(SkNEW_ARGS(SkBitmapSource, (*bitmap)));
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SkScalar dx = SkIntToScalar(i*5);
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SkScalar dy = SkIntToScalar(i*10);
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SkAutoTUnref<SkImageFilter> filter(SkNEW_ARGS(
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SkOffsetImageFilter, (dx, dy, tileInput, &rect)));
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paint.setImageFilter(filter);
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drawClippedBitmap(canvas, *bitmap, paint, SkIntToScalar(x), SkIntToScalar(y));
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x += bitmap->width() + MARGIN;
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if (x + bitmap->width() > WIDTH) {
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x = 0;
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y += bitmap->height() + MARGIN;
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}
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}
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}
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private:
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typedef GM INHERITED;
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SkBitmap fBitmap, fCheckerboard;
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bool fInitialized;
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};
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//////////////////////////////////////////////////////////////////////////////
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static GM* MyFactory(void*) { return new OffsetImageFilterGM; }
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static GMRegistry reg(MyFactory);
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}
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