2a475eae62
Many tests and examples use drawText with a guess of how long the text is in bytes, or a call to strlen(). Add a helper to SkCanvas to simplify these examples. Add another helper for SkString. R=reed@google.com Change-Id: I0204a31e938f065606f08ee7cd9a6b36db791ee2 Reviewed-on: https://skia-review.googlesource.com/13642 Commit-Queue: Cary Clark <caryclark@google.com> Reviewed-by: Cary Clark <caryclark@google.com> Reviewed-by: Mike Reed <reed@google.com> Reviewed-by: Cary Clark <caryclark@skia.org>
58 lines
1.5 KiB
C++
58 lines
1.5 KiB
C++
/*
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* Copyright 2015 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 "Resources.h"
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#include "SkTypeface.h"
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#include "gm.h"
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static void excercise_draw_pos_text(SkCanvas* canvas,
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const char* text,
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SkScalar x, SkScalar y,
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const SkPaint& paint) {
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size_t textLen = strlen(text);
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SkAutoTArray<SkScalar> widths(SkToInt(textLen));
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paint.getTextWidths(text, textLen, &widths[0]);
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SkAutoTArray<SkPoint> pos(SkToInt(textLen));
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for (int i = 0; i < SkToInt(textLen); ++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, textLen, &pos[0], paint);
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}
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DEF_SIMPLE_GM(pdf_never_embed, canvas, 512, 512) {
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SkPaint p;
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p.setTextSize(60);
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p.setTypeface(MakeResourceAsTypeface("fonts/Roboto2-Regular_NoEmbed.ttf"));
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p.setAntiAlias(true);
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if (!p.getTypeface()) {
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return;
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}
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const char text[] = "HELLO, WORLD!";
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canvas->drawColor(SK_ColorWHITE);
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excercise_draw_pos_text(canvas, text, 30, 90, p);
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canvas->save();
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canvas->rotate(45.0f);
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p.setColor(0xF0800000);
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excercise_draw_pos_text(canvas, text, 30, 45, p);
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canvas->restore();
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canvas->save();
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canvas->scale(1, 4.0);
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p.setColor(0xF0008000);
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excercise_draw_pos_text(canvas, text, 15, 70, p);
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canvas->restore();
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canvas->scale(1.0, 0.5);
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p.setColor(0xF0000080);
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canvas->drawString(text, 30, 700, p);
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}
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