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Update Controls/Test/ISKParagraphControl
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@olilarkin
olilarkin committed Nov 10, 2024
1 parent 83c586b commit e9ae11f
Showing 1 changed file with 172 additions and 124 deletions.
296 changes: 172 additions & 124 deletions IGraphics/Controls/Test/Skia/ISkParagraphControl.h
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Original file line number Diff line number Diff line change
Expand Up @@ -31,27 +31,50 @@
#include "include/core/SkShader.h"
#include "include/core/SkStream.h"
#include "include/core/SkTextBlob.h"
#include "include/core/SkTime.h"
#include "include/core/SkTypeface.h"
#include "include/effects/SkGradientShader.h"
#include "include/utils/SkRandom.h"
#include "modules/skparagraph/include/DartTypes.h"
#include "modules/skparagraph/include/FontCollection.h"
#include "modules/skparagraph/include/Paragraph.h"
#include "modules/skparagraph/include/TypefaceFontProvider.h"
#include "modules/skparagraph/src/ParagraphBuilderImpl.h"
#include "modules/skparagraph/src/ParagraphImpl.h"
#include "modules/skparagraph/src/TextLine.h"
#include "modules/skparagraph/utils/TestFontCollection.h"
#include "modules/skparagraph/include/ParagraphBuilder.h"
#include "modules/skparagraph/include/ParagraphStyle.h"
#include "modules/skunicode/include/SkUnicode_icu.h"

#if defined OS_MAC || defined OS_IOS
#include "include/ports/SkFontMgr_mac_ct.h"
#endif

#ifdef OS_WIN
#include "include/ports/SkTypeface_win.h"
#pragma comment(lib, "skparagraph.lib")
#pragma comment(lib, "skshaper.lib")
#endif

BEGIN_IPLUG_NAMESPACE
BEGIN_IGRAPHICS_NAMESPACE

using namespace skia::textlayout;

static sk_sp<SkFontMgr> fontmgr_factory() {
#if defined OS_MAC || OS_IOS
return SkFontMgr_New_CoreText(nullptr);
#elif defined OS_WIN
return SkFontMgr_New_DirectWrite();
#else
#error "Not supported"
#endif
}

bool g_factory_called = false;

sk_sp<SkFontMgr> SkFontMgr_RefDefault() {
static std::once_flag flag;
static sk_sp<SkFontMgr> mgr;
std::call_once(flag, [] {
mgr = fontmgr_factory();
g_factory_called = true;
});
return mgr;
}

/** A control that demonstrates how to draw rich text using SkParagraph
* @ingroup IControls */
Expand All @@ -70,129 +93,154 @@ class ISkParagraphControl : public IControl
DoDrawContent(canvas);
}

void DoDrawContent(SkCanvas* canvas)
{
float w = mRECT.W();
// float h = mRECT.H();

const std::vector<
std::tuple<std::string, bool, bool, int, SkColor, SkColor, bool, TextDecorationStyle>>
gParagraph = { {"monospace", true, false, 14, SK_ColorWHITE, SK_ColorRED, true,
TextDecorationStyle::kDashed},
{"Assyrian", false, false, 20, SK_ColorWHITE, SK_ColorBLUE, false,
TextDecorationStyle::kDotted},
{"serif", true, true, 10, SK_ColorWHITE, SK_ColorRED, true,
TextDecorationStyle::kDouble},
{"Arial", false, true, 16, SK_ColorGRAY, SK_ColorGREEN, true,
TextDecorationStyle::kSolid},
{"sans-serif", false, false, 8, SK_ColorWHITE, SK_ColorRED, false,
TextDecorationStyle::kWavy} };
SkAutoCanvasRestore acr(canvas, true);

// canvas->clipRect(SkRect::MakeWH(w, h));
canvas->drawColor(SK_ColorWHITE);

SkScalar margin = 20;

SkPaint paint;
paint.setAntiAlias(true);
paint.setColor(SK_ColorWHITE);

SkPaint blue;
blue.setColor(SK_ColorBLUE);

TextStyle defaultStyle;
defaultStyle.setBackgroundColor(blue);
defaultStyle.setForegroundColor(paint);
ParagraphStyle paraStyle;

auto fontCollection = sk_make_sp<FontCollection>();
fontCollection->setDefaultFontManager(SkFontMgr::RefDefault());
for (auto i = 1; i < 5; ++i) {
defaultStyle.setFontSize(24 * i);
paraStyle.setTextStyle(defaultStyle);
ParagraphBuilderImpl builder(paraStyle, fontCollection);
std::string name = "Paragraph: " + std::to_string(24 * i);
builder.addText(name.c_str(), name.length());
for (auto para : gParagraph) {
TextStyle style;
style.setFontFamilies({ SkString(std::get<0>(para).c_str()) });
SkFontStyle fontStyle(std::get<1>(para) ? SkFontStyle::Weight::kBold_Weight
: SkFontStyle::Weight::kNormal_Weight,
SkFontStyle::Width::kNormal_Width,
std::get<2>(para) ? SkFontStyle::Slant::kItalic_Slant
: SkFontStyle::Slant::kUpright_Slant);
style.setFontStyle(fontStyle);
style.setFontSize(std::get<3>(para) * i);
SkPaint background;
background.setColor(std::get<4>(para));
style.setBackgroundColor(background);
SkPaint foreground;
foreground.setColor(std::get<5>(para));
foreground.setAntiAlias(true);
style.setForegroundColor(foreground);
if (std::get<6>(para)) {
style.addShadow(TextShadow(SK_ColorBLACK, SkPoint::Make(5, 5), 2));
}

auto decoration = (i % 4);
if (decoration == 3) {
decoration = 4;
}

bool test = (TextDecoration)decoration != TextDecoration::kNoDecoration;
std::string deco = std::to_string((int)decoration);
if (test) {
style.setDecoration((TextDecoration)decoration);
style.setDecorationStyle(std::get<7>(para));
style.setDecorationColor(std::get<5>(para));
}
builder.pushStyle(style);
std::string name = " " + std::get<0>(para) + " " +
(std::get<1>(para) ? ", bold" : "") +
(std::get<2>(para) ? ", italic" : "") + " " +
std::to_string(std::get<3>(para) * i) +
(std::get<4>(para) != SK_ColorRED ? ", background" : "") +
(std::get<5>(para) != SK_ColorWHITE ? ", foreground" : "") +
(std::get<6>(para) ? ", shadow" : "") +
(test ? ", decorations " + deco : "") + ";";
builder.addText(name.c_str(), name.length());
builder.pop();
}

auto paragraph = builder.Build();
paragraph->layout(w - margin * 2);
paragraph->paint(canvas, mRECT.L + margin, mRECT.T + margin);

canvas->translate(0, paragraph->getHeight());
}
}

// void DoDrawContent(SkCanvas* canvas)
// {
// const std::u16string text = u"The quick brown fox \U0001f98a ate a zesty ham burger fons \U0001f354."
// "The \U0001f469\u200D\U0001f469\u200D\U0001f467\u200D\U0001f467 laughed.";
// float w = mRECT.W();
//
// const std::vector<
// std::tuple<std::string, bool, bool, int, SkColor, SkColor, bool, TextDecorationStyle>>
// gParagraph = { {"monospace", true, false, 14, SK_ColorWHITE, SK_ColorRED, true,
// TextDecorationStyle::kDashed},
// {"Assyrian", false, false, 20, SK_ColorWHITE, SK_ColorBLUE, false,
// TextDecorationStyle::kDotted},
// {"serif", true, true, 10, SK_ColorWHITE, SK_ColorRED, true,
// TextDecorationStyle::kDouble},
// {"Arial", false, true, 16, SK_ColorGRAY, SK_ColorGREEN, true,
// TextDecorationStyle::kSolid},
// {"sans-serif", false, false, 8, SK_ColorWHITE, SK_ColorRED, false,
// TextDecorationStyle::kWavy} };
// SkAutoCanvasRestore acr(canvas, true);
//
// canvas->drawColor(SK_ColorWHITE);
//
// auto fontCollection = getFontCollection();
// fontCollection->setDefaultFontManager(SkFontMgr::RefDefault());
// SkScalar margin = 20;
//
// SkPaint paint;
// paint.setAntiAlias(true);
// paint.setColor(SK_ColorWHITE);
//
// SkPaint blue;
// blue.setColor(SK_ColorBLUE);
//
// TextStyle defaultStyle;
// defaultStyle.setBackgroundColor(blue);
// defaultStyle.setForegroundColor(paint);
// ParagraphStyle paraStyle;
// sk_sp<SkUnicode> unicode = SkUnicodes::ICU::Make();
//
// #ifdef OS_WIN
// if (unicode == nullptr)
// {
// const char* errorText = "Failed to create SkUnicode - could not find icudtl.dat next to DLL/EXE";
// DBGMSG("%s\n", errorText);
// GetUI()->DrawText(mText, errorText, mRECT);
// return;
// }
// #endif
//
// auto fontCollection = sk_make_sp<FontCollection>();
// fontCollection->enableFontFallback();
// fontCollection->setDefaultFontManager(SkFontMgr_RefDefault());
// for (auto i = 1; i < 5; ++i) {
// defaultStyle.setFontSize(24 * i);
// paraStyle.setTextStyle(defaultStyle);
// std::unique_ptr<ParagraphBuilder> builder = ParagraphBuilder::make(paraStyle, fontCollection, unicode);
// std::string name = "Paragraph: " + std::to_string(24 * i);
// builder->addText(name.c_str(), name.length());
// for (auto para : gParagraph) {
// TextStyle style;
// style.setFontFamilies({ SkString(std::get<0>(para).c_str()) });
// SkFontStyle fontStyle(std::get<1>(para) ? SkFontStyle::Weight::kBold_Weight
// : SkFontStyle::Weight::kNormal_Weight,
// SkFontStyle::Width::kNormal_Width,
// std::get<2>(para) ? SkFontStyle::Slant::kItalic_Slant
// : SkFontStyle::Slant::kUpright_Slant);
// style.setFontStyle(fontStyle);
// style.setFontSize(std::get<3>(para) * i);
// SkPaint background;
// background.setColor(std::get<4>(para));
// style.setBackgroundColor(background);
// SkPaint foreground;
// foreground.setColor(std::get<5>(para));
// foreground.setAntiAlias(true);
// style.setForegroundColor(foreground);
// if (std::get<6>(para)) {
// style.addShadow(TextShadow(SK_ColorBLACK, SkPoint::Make(5, 5), 2));
// }
//
// ParagraphStyle paragraph_style;
// paragraph_style.setMaxLines(7);
// paragraph_style.setEllipsis(u"\u2026");
// ParagraphBuilderImpl builder(paragraph_style, fontCollection);
// TextStyle text_style;
// text_style.setColor(SK_ColorBLACK);
// text_style.setFontFamilies({ SkString("Roboto"), SkString("Noto Color Emoji") });
// text_style.setFontSize(60);
// builder.pushStyle(text_style);
// builder.addText(text);
// auto paragraph = builder.Build();
// assert(paragraph);
// paragraph->layout(mRECT.W());
// paragraph->paint(canvas, mRECT.L, mRECT.T);
// auto decoration = (i % 4);
// if (decoration == 3) {
// decoration = 4;
// }
//
// bool test = (TextDecoration)decoration != TextDecoration::kNoDecoration;
// std::string deco = std::to_string((int)decoration);
// if (test) {
// style.setDecoration((TextDecoration)decoration);
// style.setDecorationStyle(std::get<7>(para));
// style.setDecorationColor(std::get<5>(para));
// }
// builder->pushStyle(style);
// std::string name = " " + std::get<0>(para) + " " +
// (std::get<1>(para) ? ", bold" : "") +
// (std::get<2>(para) ? ", italic" : "") + " " +
// std::to_string(std::get<3>(para) * i) +
// (std::get<4>(para) != SK_ColorRED ? ", background" : "") +
// (std::get<5>(para) != SK_ColorWHITE ? ", foreground" : "") +
// (std::get<6>(para) ? ", shadow" : "") +
// (test ? ", decorations " + deco : "") + ";";
// builder->addText(name.c_str(), name.length());
// builder->pop();
// }
//
// auto paragraph = builder->Build();
// paragraph->layout(w - margin * 2);
// paragraph->paint(canvas, mRECT.L + margin, mRECT.T + margin);
//
// canvas->translate(0, paragraph->getHeight());
// }
// }

void DoDrawContent(SkCanvas* canvas)
{
auto fontCollection = sk_make_sp<skia::textlayout::FontCollection>();
fontCollection->setDefaultFontManager(SkFontMgr_RefDefault());

canvas->clear(SK_ColorWHITE);

SkPaint paint;
paint.setAntiAlias(true);
paint.setColor(SK_ColorBLACK);

skia::textlayout::TextStyle style;
style.setForegroundColor(paint);
style.setFontFamilies({SkString("sans-serif")});
style.setFontSize(30);
skia::textlayout::ParagraphStyle paraStyle;
paraStyle.setTextStyle(style);
paraStyle.setTextAlign(skia::textlayout::TextAlign::kRight);

sk_sp<SkUnicode> unicode = SkUnicodes::ICU::Make();

#ifdef OS_WIN
if (unicode == nullptr)
{
const char* errorText = "Failed to create SkUnicode - could not find icudtl.dat next to DLL/EXE";
DBGMSG("%s\n", errorText);
GetUI()->DrawText(mText, errorText, mRECT);
return;
}
#endif

using skia::textlayout::ParagraphBuilder;
std::unique_ptr<ParagraphBuilder> builder =
ParagraphBuilder::make(paraStyle, fontCollection, unicode);
builder->addText(" Furthermore, العربية نص جميل. द क्विक ब्राउन फ़ॉक्स jumps over the lazy 🐕.");
auto paragraph = builder->Build();
paragraph->layout(mRECT.W() - 20);
paragraph->paint(canvas, 10, 10);

}
};

END_IGRAPHICS_NAMESPACE
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