Reland "[skottie] AllCaps support"

This reverts commit 6142500513.

Reason for revert: relanding with fixes

Original change's description:
> Revert "[skottie] AllCaps support"
>
> This reverts commit efc7ca4a71.
>
> Reason for revert: broke Chromium, NoDEPS builds
>
> Original change's description:
> > [skottie] AllCaps support
> >
> > AfterEffects and Bodymovin support an "AllCaps" text flag which forces
> > text capitalization.
> >
> >   * add toUpper() bindings to SkUnicode/SkICU
> >   * add capitalization options to SkottieShaper
> >   * plumb existing Lottie 'ca' (AllCaps) prop
> >   * also fix a couple of unrelated whoopsies
> >
> > Change-Id: I8e80921b66530e9830938004946082c6e450b04b
> > Reviewed-on: https://skia-review.googlesource.com/c/skia/+/445104
> > Reviewed-by: Ben Wagner <bungeman@google.com>
> > Commit-Queue: Florin Malita <fmalita@google.com>
>
> TBR=bungeman@google.com,fmalita@chromium.org,fmalita@google.com,jlavrova@google.com,skcq-be@skia-corp.google.com.iam.gserviceaccount.com
>
> Change-Id: I3bb43f37f07cfc021e397df578499a4c4da15ca3
> No-Presubmit: true
> No-Tree-Checks: true
> No-Try: true
> Reviewed-on: https://skia-review.googlesource.com/c/skia/+/444980
> Reviewed-by: Florin Malita <fmalita@google.com>
> Commit-Queue: Florin Malita <fmalita@google.com>

Change-Id: Id729e09d4cade0cead193ffc5e6bd4fea1cdcff6
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/445598
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Florin Malita <fmalita@google.com>

infra/bots/recipe_modules/build/default.py

@@ -281,6 +281,7 @@ def compile_fn(api, checkout_root, out_dir):
       'skia_use_expat':                'false',
       'skia_use_freetype':             'false',
       'skia_use_harfbuzz':             'false',
+      'skia_use_icu':                  'false',
       'skia_use_libjpeg_turbo_decode': 'false',
       'skia_use_libjpeg_turbo_encode': 'false',
       'skia_use_libpng_decode':        'false',

infra/bots/recipe_modules/build/examples/full.expected/Build-Debian10-Clang-x86_64-Release-NoDEPS.json

@@ -52,7 +52,7 @@
       "[START_DIR]/cache/work/skia/bin/gn",
       "gen",
       "[START_DIR]/cache/work/skia/out/Build-Debian10-Clang-x86_64-Release-NoDEPS/Release",
-      "--args=cc=\"[START_DIR]/clang_linux/bin/clang\" cc_wrapper=\"[START_DIR]/ccache_linux/bin/ccache\" cxx=\"[START_DIR]/clang_linux/bin/clang++\" extra_cflags=[\"-B[START_DIR]/clang_linux/bin\", \"-DPLACEHOLDER_clang_linux_version=42\"] extra_ldflags=[\"-B[START_DIR]/clang_linux/bin\", \"-fuse-ld=lld\", \"-L[START_DIR]/clang_linux/lib\"] is_debug=false is_official_build=true skia_enable_fontmgr_empty=true skia_enable_gpu=true skia_enable_pdf=false skia_use_expat=false skia_use_freetype=false skia_use_harfbuzz=false skia_use_libjpeg_turbo_decode=false skia_use_libjpeg_turbo_encode=false skia_use_libpng_decode=false skia_use_libpng_encode=false skia_use_libwebp_decode=false skia_use_libwebp_encode=false skia_use_vulkan=false skia_use_zlib=false target_cpu=\"x86_64\" werror=true"
+      "--args=cc=\"[START_DIR]/clang_linux/bin/clang\" cc_wrapper=\"[START_DIR]/ccache_linux/bin/ccache\" cxx=\"[START_DIR]/clang_linux/bin/clang++\" extra_cflags=[\"-B[START_DIR]/clang_linux/bin\", \"-DPLACEHOLDER_clang_linux_version=42\"] extra_ldflags=[\"-B[START_DIR]/clang_linux/bin\", \"-fuse-ld=lld\", \"-L[START_DIR]/clang_linux/lib\"] is_debug=false is_official_build=true skia_enable_fontmgr_empty=true skia_enable_gpu=true skia_enable_pdf=false skia_use_expat=false skia_use_freetype=false skia_use_harfbuzz=false skia_use_icu=false skia_use_libjpeg_turbo_decode=false skia_use_libjpeg_turbo_encode=false skia_use_libpng_decode=false skia_use_libpng_encode=false skia_use_libwebp_decode=false skia_use_libwebp_encode=false skia_use_vulkan=false skia_use_zlib=false target_cpu=\"x86_64\" werror=true"
     ],
     "cwd": "[START_DIR]/cache/work/skia",
     "env": {

infra/bots/recipes/sync_and_compile.expected/Build-Win10-Clang-x86_64-Release-NoDEPS.json

@@ -139,7 +139,7 @@
       "[START_DIR]\\skia\\bin\\gn",
       "gen",
       "[START_DIR]\\skia\\out\\Build-Win10-Clang-x86_64-Release-NoDEPS\\Release_x64",
-      "--args=cc=\"clang\" clang_win=\"[START_DIR]\\clang_win\" cxx=\"clang++\" extra_cflags=[\"-DPLACEHOLDER_clang_win_version=42\"] is_debug=false is_official_build=true skia_enable_fontmgr_empty=true skia_enable_gpu=true skia_enable_pdf=false skia_use_expat=false skia_use_freetype=false skia_use_harfbuzz=false skia_use_libjpeg_turbo_decode=false skia_use_libjpeg_turbo_encode=false skia_use_libpng_decode=false skia_use_libpng_encode=false skia_use_libwebp_decode=false skia_use_libwebp_encode=false skia_use_vulkan=false skia_use_zlib=false target_cpu=\"x86_64\" werror=true win_sdk=\"[START_DIR]\\win_toolchain/win_sdk\" win_vc=\"[START_DIR]\\win_toolchain/VC\""
+      "--args=cc=\"clang\" clang_win=\"[START_DIR]\\clang_win\" cxx=\"clang++\" extra_cflags=[\"-DPLACEHOLDER_clang_win_version=42\"] is_debug=false is_official_build=true skia_enable_fontmgr_empty=true skia_enable_gpu=true skia_enable_pdf=false skia_use_expat=false skia_use_freetype=false skia_use_harfbuzz=false skia_use_icu=false skia_use_libjpeg_turbo_decode=false skia_use_libjpeg_turbo_encode=false skia_use_libpng_decode=false skia_use_libpng_encode=false skia_use_libwebp_decode=false skia_use_libwebp_encode=false skia_use_vulkan=false skia_use_zlib=false target_cpu=\"x86_64\" werror=true win_sdk=\"[START_DIR]\\win_toolchain/win_sdk\" win_vc=\"[START_DIR]\\win_toolchain/VC\""
     ],
     "cwd": "[START_DIR]\\skia",
     "env": {

modules/skottie/BUILD.gn

@@ -23,6 +23,7 @@ if (skia_enable_skottie) {
       "../skresources",
       "../sksg",
       "../skshaper",
+      "../skunicode",
     ]
   }
 

modules/skottie/include/SkottieProperty.h

@@ -39,24 +39,25 @@ enum class TextPaintOrder : uint8_t {
 struct TextPropertyValue {
     sk_sp<SkTypeface>       fTypeface;
     SkString                fText;
-    float                   fTextSize    = 0,
-                            fMinTextSize = 0,                                 // when auto-sizing
-                            fMaxTextSize = std::numeric_limits<float>::max(), // when auto-sizing
-                            fStrokeWidth = 0,
-                            fLineHeight  = 0,
-                            fLineShift   = 0,
-                            fAscent      = 0;
-    SkTextUtils::Align      fHAlign      = SkTextUtils::kLeft_Align;
-    Shaper::VAlign          fVAlign      = Shaper::VAlign::kTop;
-    Shaper::ResizePolicy    fResize      = Shaper::ResizePolicy::kNone;
-    Shaper::LinebreakPolicy fLineBreak   = Shaper::LinebreakPolicy::kExplicit;
-    Shaper::Direction       fDirection   = Shaper::Direction::kLTR;
-    SkRect                  fBox         = SkRect::MakeEmpty();
-    SkColor                 fFillColor   = SK_ColorTRANSPARENT,
-                            fStrokeColor = SK_ColorTRANSPARENT;
-    TextPaintOrder          fPaintOrder  = TextPaintOrder::kFillStroke;
-    bool                    fHasFill     = false,
-                            fHasStroke   = false;
+    float                   fTextSize       = 0,
+                            fMinTextSize    = 0,                                 // when auto-sizing
+                            fMaxTextSize    = std::numeric_limits<float>::max(), // when auto-sizing
+                            fStrokeWidth    = 0,
+                            fLineHeight     = 0,
+                            fLineShift      = 0,
+                            fAscent         = 0;
+    SkTextUtils::Align      fHAlign         = SkTextUtils::kLeft_Align;
+    Shaper::VAlign          fVAlign         = Shaper::VAlign::kTop;
+    Shaper::ResizePolicy    fResize         = Shaper::ResizePolicy::kNone;
+    Shaper::LinebreakPolicy fLineBreak      = Shaper::LinebreakPolicy::kExplicit;
+    Shaper::Direction       fDirection      = Shaper::Direction::kLTR;
+    Shaper::Capitalization  fCapitalization = Shaper::Capitalization::kNone;
+    SkRect                  fBox            = SkRect::MakeEmpty();
+    SkColor                 fFillColor      = SK_ColorTRANSPARENT,
+                            fStrokeColor    = SK_ColorTRANSPARENT;
+    TextPaintOrder          fPaintOrder     = TextPaintOrder::kFillStroke;
+    bool                    fHasFill        = false,
+                            fHasStroke      = false;
 
     bool operator==(const TextPropertyValue& other) const;
     bool operator!=(const TextPropertyValue& other) const;

modules/skottie/src/SkottieProperty.cpp

@@ -27,6 +27,7 @@ bool TextPropertyValue::operator==(const TextPropertyValue& other) const {
         && fResize == other.fResize
         && fLineBreak == other.fLineBreak
         && fDirection == other.fDirection
+        && fCapitalization == other.fCapitalization
         && fBox == other.fBox
         && fFillColor == other.fFillColor
         && fStrokeColor == other.fStrokeColor

modules/skottie/src/SkottieTest.cpp

@@ -326,6 +326,7 @@ DEF_TEST(Skottie_Properties, reporter) {
       Shaper::ResizePolicy::kNone,
       Shaper::LinebreakPolicy::kExplicit,
       Shaper::Direction::kLTR,
+      Shaper::Capitalization::kNone,
       SkRect::MakeEmpty(),
       SK_ColorTRANSPARENT,
       SK_ColorTRANSPARENT,
@@ -478,6 +479,7 @@ DEF_TEST(Skottie_Shaper_HAlign, reporter) {
                 Shaper::ResizePolicy::kNone,
                 Shaper::LinebreakPolicy::kExplicit,
                 Shaper::Direction::kLTR,
+                Shaper::Capitalization::kNone,
                 Shaper::Flags::kNone
             };
 
@@ -548,6 +550,7 @@ DEF_TEST(Skottie_Shaper_VAlign, reporter) {
                 Shaper::ResizePolicy::kNone,
                 Shaper::LinebreakPolicy::kParagraph,
                 Shaper::Direction::kLTR,
+                Shaper::Capitalization::kNone,
                 Shaper::Flags::kNone
             };
 
@@ -588,6 +591,7 @@ DEF_TEST(Skottie_Shaper_FragmentGlyphs, reporter) {
         Shaper::ResizePolicy::kNone,
         Shaper::LinebreakPolicy::kParagraph,
         Shaper::Direction::kLTR,
+        Shaper::Capitalization::kNone,
         Shaper::Flags::kNone
     };
 
@@ -680,6 +684,7 @@ DEF_TEST(Skottie_Shaper_ExplicitFontMgr, reporter) {
         Shaper::ResizePolicy::kNone,
         Shaper::LinebreakPolicy::kParagraph,
         Shaper::Direction::kLTR,
+        Shaper::Capitalization::kNone,
         Shaper::Flags::kNone
     };
 

modules/skottie/src/text/SkottieShaper.cpp

@@ -13,6 +13,7 @@
 #include "include/private/SkTPin.h"
 #include "include/private/SkTemplates.h"
 #include "modules/skshaper/include/SkShaper.h"
+#include "modules/skunicode/include/SkUnicode.h"
 #include "src/core/SkTLazy.h"
 #include "src/core/SkTextBlobPriv.h"
 #include "src/utils/SkUTF.h"
@@ -446,18 +447,47 @@ Shaper::Result ShapeToFit(const SkString& txt, const Shaper::TextDesc& orig_desc
     return best_result;
 }
 
+
+// Applies capitalization rules.
+class AdjustedText {
+public:
+    AdjustedText(const SkString& txt, const Shaper::TextDesc& desc)
+        : fText(txt) {
+        switch (desc.fCapitalization) {
+        case Shaper::Capitalization::kNone:
+            break;
+        case Shaper::Capitalization::kUpperCase:
+#ifdef SK_UNICODE_AVAILABLE
+            if (auto skuni = SkUnicode::Make()) {
+                *fText.writable() = skuni->toUpper(*fText);
+            }
+#endif
+            break;
+        }
+    }
+
+    operator const SkString&() const { return *fText; }
+
+private:
+    SkTCopyOnFirstWrite<SkString> fText;
+};
+
 } // namespace
 
-Shaper::Result Shaper::Shape(const SkString& txt, const TextDesc& desc, const SkPoint& point,
+Shaper::Result Shaper::Shape(const SkString& orig_txt, const TextDesc& desc, const SkPoint& point,
                              const sk_sp<SkFontMgr>& fontmgr) {
+    const AdjustedText txt(orig_txt, desc);
+
     return (desc.fResize == ResizePolicy::kScaleToFit ||
             desc.fResize == ResizePolicy::kDownscaleToFit) // makes no sense in point mode
             ? Result()
             : ShapeImpl(txt, desc, SkRect::MakeEmpty().makeOffset(point.x(), point.y()), fontmgr);
 }
 
-Shaper::Result Shaper::Shape(const SkString& txt, const TextDesc& desc, const SkRect& box,
+Shaper::Result Shaper::Shape(const SkString& orig_txt, const TextDesc& desc, const SkRect& box,
                              const sk_sp<SkFontMgr>& fontmgr) {
+    const AdjustedText txt(orig_txt, desc);
+
     switch(desc.fResize) {
     case ResizePolicy::kNone:
         return ShapeImpl(txt, desc, box, fontmgr);

modules/skottie/src/text/SkottieShaper.h

@@ -86,6 +86,11 @@ public:
     // Initial text direction.
     enum class Direction : uint8_t { kLTR, kRTL };
 
+    enum class Capitalization {
+        kNone,
+        kUpperCase,
+    };
+
     enum Flags : uint32_t {
         kNone                       = 0x00,
 
@@ -110,6 +115,7 @@ public:
         ResizePolicy              fResize;
         LinebreakPolicy           fLinebreak;
         Direction                 fDirection;
+        Capitalization            fCapitalization;
         uint32_t                  fFlags;
     };
 

modules/skottie/src/text/TextAdapter.cpp

@@ -279,6 +279,7 @@ void TextAdapter::reshape() {
         fText->fResize,
         fText->fLineBreak,
         fText->fDirection,
+        fText->fCapitalization,
         this->shaperFlags(),
     };
     const auto shape_result = Shaper::Shape(fText->fText, text_desc, fText->fBox, fFontMgr);

modules/skottie/src/text/TextValue.cpp

@@ -46,7 +46,7 @@ bool Parse(const skjson::Value& jv, const internal::AnimationBuilder& abuilder,
         SkTextUtils::kCenter_Align // 'j': 2
     };
     v->fHAlign = gAlignMap[std::min<size_t>(ParseDefault<size_t>((*jtxt)["j"], 0),
-                                          SK_ARRAY_COUNT(gAlignMap))];
+                                            SK_ARRAY_COUNT(gAlignMap) - 1)];
 
     // Optional text box size.
     if (const skjson::ArrayValue* jsz = (*jtxt)["sz"]) {
@@ -72,7 +72,7 @@ bool Parse(const skjson::Value& jv, const internal::AnimationBuilder& abuilder,
     // TODO: remove "sk_rs" support after migrating clients.
     v->fResize = gResizeMap[std::min(std::max(ParseDefault<size_t>((*jtxt)[   "rs"], 0),
                                               ParseDefault<size_t>((*jtxt)["sk_rs"], 0)),
-                                     SK_ARRAY_COUNT(gResizeMap))];
+                                     SK_ARRAY_COUNT(gResizeMap) - 1)];
 
     // Optional min/max font size (used when aute-resizing)
     v->fMinTextSize = ParseDefault<SkScalar>((*jtxt)["mf"], 0.0f);
@@ -93,6 +93,14 @@ bool Parse(const skjson::Value& jv, const internal::AnimationBuilder& abuilder,
                 : Shaper::LinebreakPolicy::kParagraph; // 'm': 1 -> paragraph text
     }
 
+    // Optional capitalization.
+    static constexpr Shaper::Capitalization gCapMap[] = {
+        Shaper::Capitalization::kNone,      // 'ca': 0
+        Shaper::Capitalization::kUpperCase, // 'ca': 1
+    };
+    v->fCapitalization = gCapMap[std::min<size_t>(ParseDefault<size_t>((*jtxt)["ca"], 0),
+                                                  SK_ARRAY_COUNT(gCapMap) - 1)];
+
     // In point mode, the text is baseline-aligned.
     v->fVAlign = v->fBox.isEmpty() ? Shaper::VAlign::kTopBaseline
                                    : Shaper::VAlign::kTop;

modules/skunicode/include/SkUnicode.h

@@ -116,6 +116,7 @@ class SKUNICODE_API SkUnicode {
         virtual bool isWhitespace(SkUnichar utf8) = 0;
         virtual bool isSpace(SkUnichar utf8) = 0;
         virtual SkString convertUtf16ToUtf8(const std::u16string& utf16) = 0;
+        virtual SkString toUpper(const SkString&) = 0;
 
         // Methods used in SkShaper and SkText
         virtual std::unique_ptr<SkBidiIterator> makeBidiIterator

modules/skunicode/src/SkUnicode_icu.cpp

@@ -498,6 +498,37 @@ public:
         }
     }
 
+    SkString toUpper(const SkString& str) override {
+        // Convert to UTF16 since that's what ICU wants.
+        std::unique_ptr<uint16_t[]> str16;
+        const auto str16len = utf8ToUtf16(str.c_str(), str.size(), &str16);
+        if (str16len <= 0) {
+            return SkString();
+        }
+
+        UErrorCode icu_err = U_ZERO_ERROR;
+        const auto upper16len = sk_u_strToUpper(nullptr, 0, (UChar*)(str16.get()), str16len,
+                                                nullptr, &icu_err);
+        if (icu_err != U_BUFFER_OVERFLOW_ERROR || upper16len <= 0) {
+            return SkString();
+        }
+
+        SkAutoSTArray<128, uint16_t> upper16(upper16len);
+        icu_err = U_ZERO_ERROR;
+        sk_u_strToUpper((UChar*)(upper16.get()), SkToS32(upper16.size()),
+                        (UChar*)(str16.get()), str16len,
+                        nullptr, &icu_err);
+        SkASSERT(!U_FAILURE(icu_err));
+
+        // ... and back to utf8 'cause that's what we want.
+        std::unique_ptr<char[]> upper8;
+        auto upper8len = utf16ToUtf8(upper16.data(), upper16.size(), &upper8);
+
+        return upper8len >= 0
+                ? SkString(upper8.get(), upper8len)
+                : SkString();
+    }
+
     bool getBidiRegions(const char utf8[],
                         int utf8Units,
                         TextDirection dir,

modules/skunicode/src/SkUnicode_icu.h

@@ -22,6 +22,7 @@
     SKICU_FUNC(u_iscntrl)             \
     SKICU_FUNC(u_isspace)             \
     SKICU_FUNC(u_isWhitespace)        \
+    SKICU_FUNC(u_strToUpper)          \
     SKICU_FUNC(ubidi_close)           \
     SKICU_FUNC(ubidi_getLength)       \
     SKICU_FUNC(ubidi_getLevelAt)      \

resources/skottie/skottie-text-allcaps.json

@@ -0,0 +1 @@
+{"assets":[],"ddd":0,"fonts":{"list":[{"ascent":71.5988159179688,"fClass":"","fFamily":"Arial","fName":"ArialMT","fPath":"","fStyle":"Regular","fWeight":"","origin":0}]},"fr":60,"h":500,"ip":0,"layers":[{"ao":0,"bm":0,"ddd":0,"ind":1,"ip":0,"ks":{"a":{"a":0,"ix":1,"k":[0,0,0],"l":2},"o":{"a":0,"ix":11,"k":100},"p":{"a":0,"ix":2,"k":[245,226.5,0],"l":2},"r":{"a":0,"ix":10,"k":0},"s":{"a":0,"ix":6,"k":[100,100,100],"l":2}},"nm":"Foo Bar - allcaps","op":600,"sr":1,"st":0,"t":{"a":[],"d":{"k":[{"s":{"ca":0,"f":"ArialMT","fc":[0.706,0,1],"j":2,"lh":75.6,"ls":0,"mc":100,"mf":10,"ps":[-164,-141.5],"rs":1,"s":63,"sz":[354,335],"t":"Hello there, κεφαλαίο κείμενο!","tr":0,"vj":1,"xf":100},"t":0},{"s":{"ca":1,"f":"ArialMT","fc":[0.706,0,1],"j":2,"lh":75.6,"ls":0,"mc":100,"mf":10,"ps":[-164,-141.5],"rs":1,"s":63,"sz":[354,335],"t":"Hello there, κεφαλαίο κείμενο!","tr":0,"vj":1,"xf":100},"t":150},{"s":{"ca":0,"f":"ArialMT","fc":[0.706,0,1],"j":2,"lh":75.6,"ls":0,"mc":100,"mf":10,"ps":[-164,-141.5],"rs":1,"s":63,"sz":[354,335],"t":"Hello there, κεφαλαίο κείμενο!","tr":0,"vj":1,"xf":100},"t":300},{"s":{"ca":1,"f":"ArialMT","fc":[0.706,0,1],"j":2,"lh":75.6,"ls":0,"mc":100,"mf":10,"ps":[-164,-141.5],"rs":1,"s":63,"sz":[354,335],"t":"Hello there, κεφαλαίο κείμενο!","tr":0,"vj":1,"xf":100},"t":450}]},"m":{"a":{"a":0,"ix":2,"k":[0,0]},"g":1},"p":{}},"ty":5}],"markers":[],"nm":"allcaps","op":600,"v":"5.7.11","w":500}