c640d0dc96
This reverts commit fdcfb8b7c2.
> Original change's description:
> > SkTypes: extract SkTo
> >
> > Change-Id: I8de790d5013db2105ad885fa2683303d7c250b09
> > Reviewed-on: https://skia-review.googlesource.com/133620
> > Reviewed-by: Mike Klein <mtklein@google.com>
Change-Id: Ida74fbc5c21248a724a5edbf9fae18a33bcb23aa
Reviewed-on: https://skia-review.googlesource.com/134506
Reviewed-by: Mike Klein <mtklein@google.com>
Commit-Queue: Hal Canary <halcanary@google.com>
137 lines
3.6 KiB
C++
137 lines
3.6 KiB
C++
/*
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* Copyright 2018 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 "sk_tool_utils.h"
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#include "Resources.h"
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#include "SkCanvas.h"
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#include "SkStream.h"
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#include "SkTo.h"
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#include "SkTypeface.h"
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namespace skiagm {
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class ScaledEmojiGM : public GM {
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public:
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ScaledEmojiGM() { }
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protected:
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struct EmojiFont {
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sk_sp<SkTypeface> fTypeface;
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const char* fText;
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} fEmojiFont;
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void onOnceBeforeDraw() override {
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fEmojiFont.fTypeface = sk_tool_utils::emoji_typeface();
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fEmojiFont.fText = sk_tool_utils::emoji_sample_text();
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}
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SkString onShortName() override {
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SkString name("scaledemoji");
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name.append(sk_tool_utils::platform_font_manager());
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return name;
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}
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SkISize onISize() override { return SkISize::Make(1200, 1200); }
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void onDraw(SkCanvas* canvas) override {
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canvas->drawColor(sk_tool_utils::color_to_565(SK_ColorGRAY));
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SkPaint paint;
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paint.setTypeface(fEmojiFont.fTypeface);
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const char* text = fEmojiFont.fText;
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// draw text at different point sizes
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// Testing GPU bitmap path, SDF path with no scaling,
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// SDF path with scaling, path rendering with scaling
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SkPaint::FontMetrics metrics;
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SkScalar y = 0;
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for (SkScalar textSize : { 70, 180, 270, 340 }) {
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paint.setTextSize(textSize);
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paint.getFontMetrics(&metrics);
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y += -metrics.fAscent;
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canvas->drawString(text, 10, y, paint);
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y += metrics.fDescent + metrics.fLeading;
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}
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}
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private:
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typedef GM INHERITED;
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};
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class ScaledEmojiPosGM : public GM {
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public:
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ScaledEmojiPosGM() {}
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protected:
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struct EmojiFont {
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sk_sp<SkTypeface> fTypeface;
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const char* fText;
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} fEmojiFont;
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void onOnceBeforeDraw() override {
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fEmojiFont.fTypeface = sk_tool_utils::emoji_typeface();
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fEmojiFont.fText = sk_tool_utils::emoji_sample_text();
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}
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SkString onShortName() override {
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SkString name("scaledemojipos");
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name.append(sk_tool_utils::platform_font_manager());
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return name;
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}
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SkISize onISize() override { return SkISize::Make(1200, 1200); }
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void onDraw(SkCanvas* canvas) override {
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canvas->drawColor(sk_tool_utils::color_to_565(SK_ColorGRAY));
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SkPaint paint;
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paint.setTypeface(fEmojiFont.fTypeface);
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const char* text = fEmojiFont.fText;
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// draw text at different point sizes
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// Testing GPU bitmap path, SDF path with no scaling,
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// SDF path with scaling, path rendering with scaling
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SkPaint::FontMetrics metrics;
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SkScalar y = 0;
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for (SkScalar textSize : { 70, 180, 270, 340 }) {
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paint.setTextSize(textSize);
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paint.getFontMetrics(&metrics);
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y += -metrics.fAscent;
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int len = SkToInt(strlen(text));
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SkAutoTArray<SkPoint> pos(len);
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SkAutoTArray<SkScalar> widths(len);
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paint.getTextWidths(text, len, &widths[0]);
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SkScalar x = SkIntToScalar(10);
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for (int i = 0; i < len; ++i) {
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pos[i].set(x, y);
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x += widths[i];
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}
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canvas->drawPosText(text, len, &pos[0], paint);
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y += metrics.fDescent + metrics.fLeading;
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}
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}
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private:
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typedef GM INHERITED;
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};
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//////////////////////////////////////////////////////////////////////////////
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DEF_GM(return new ScaledEmojiGM;)
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DEF_GM(return new ScaledEmojiPosGM;)
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}
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