mac_aa_explorer.cpp File Reference

#include "gm/gm.h"
#include "include/core/SkCanvas.h"
#include "include/core/SkColor.h"
#include "include/core/SkFont.h"
#include "include/core/SkFontStyle.h"
#include "include/core/SkFontTypes.h"
#include "include/core/SkPaint.h"
#include "include/core/SkScalar.h"
#include "include/core/SkTypeface.h"
#include "include/core/SkTypes.h"
#include "tools/fonts/FontToolUtils.h"
#include <string.h>
#include <initializer_list>

Go to the source code of this file.

Functions
	DEF_SIMPLE_GM (macaa_colors, canvas, 800, 500)

Function Documentation

DEF_SIMPLE_GM()

DEF_SIMPLE_GM	(	macaa_colors	,
		canvas	,
		800	,
		500
	)

Definition at line 136 of file mac_aa_explorer.cpp.

                                              {
    const SkColor GRAY = 0xFF808080;
    const SkColor colors[] = {
        SK_ColorBLACK, SK_ColorWHITE,
        SK_ColorBLACK, GRAY,
        SK_ColorWHITE, SK_ColorBLACK,
        SK_ColorWHITE, GRAY,
    };
    const SkScalar sizes[] = {10, 12, 15, 18, 24};
 
    const SkScalar width = 200;
    const SkScalar height = 500;
    const char str[] = "Hamburgefons";
    const size_t len = strlen(str);
 
    sk_sp<SkTypeface> face = ToolUtils::CreateTestTypeface("Times", SkFontStyle());
    if (!face) {
        face = ToolUtils::DefaultPortableTypeface();
    }
    SkFont font(face, 12);
 
    for (size_t i = 0; i < std::size(colors); i += 2) {
        canvas->save();
 
        SkPaint paint;
        paint.setColor(colors[i+1]);
        canvas->drawRect({0, 0, width, height}, paint);
        paint.setColor(colors[i]);
 
        SkScalar y = 10;
        SkScalar x = 10;
        for (SkScalar ps : sizes) {
            font.setSize(ps);
            for (bool lcd : {false, true}) {
                font.setEdging(lcd ? SkFont::Edging::kSubpixelAntiAlias
                                   : SkFont::Edging::kAntiAlias);
                for (auto h : {SkFontHinting::kNone, SkFontHinting::kNormal}) {
                    font.setHinting(h);
 
                    y += font.getSpacing() + 2;
                    canvas->drawSimpleText(str, len, SkTextEncoding::kUTF8, x, y, font, paint);
                }
            }
            y += 8;
        }
        canvas->restore();
        canvas->translate(width, 0);
    }
}