Paint.cpp revision 260ab726486317496bc12a57d599ea96dcde3284 
1/* libs/android_runtime/android/graphics/Paint.cpp
2**
3** Copyright 2006, The Android Open Source Project
4**
5** Licensed under the Apache License, Version 2.0 (the "License");
6** you may not use this file except in compliance with the License.
7** You may obtain a copy of the License at
8**
9**     http://www.apache.org/licenses/LICENSE-2.0
10**
11** Unless required by applicable law or agreed to in writing, software
12** distributed under the License is distributed on an "AS IS" BASIS,
13** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14** See the License for the specific language governing permissions and
15** limitations under the License.
16*/
17
18#define LOG_TAG "Paint"
19
20#include <utils/Log.h>
21
22#include "jni.h"
23#include "GraphicsJNI.h"
24#include "core_jni_helpers.h"
25#include <ScopedStringChars.h>
26#include <ScopedUtfChars.h>
27
28#include "SkBlurDrawLooper.h"
29#include "SkColorFilter.h"
30#include "SkMaskFilter.h"
31#include "SkPath.h"
32#include "SkPathEffect.h"
33#include "SkRasterizer.h"
34#include "SkShader.h"
35#include "SkXfermode.h"
36#include "unicode/uloc.h"
37#include "unicode/ushape.h"
38#include "utils/Blur.h"
39
40#include <hwui/MinikinSkia.h>
41#include <hwui/MinikinUtils.h>
42#include <hwui/Paint.h>
43#include <hwui/Typeface.h>
44#include <minikin/GraphemeBreak.h>
45#include <minikin/Measurement.h>
46#include <unicode/utf16.h>
47
48#include <cassert>
49#include <cstring>
50#include <memory>
51#include <vector>
52
53namespace android {
54
55struct JMetricsID {
56    jfieldID    top;
57    jfieldID    ascent;
58    jfieldID    descent;
59    jfieldID    bottom;
60    jfieldID    leading;
61};
62
63static jclass   gFontMetrics_class;
64static JMetricsID gFontMetrics_fieldID;
65
66static jclass   gFontMetricsInt_class;
67static JMetricsID gFontMetricsInt_fieldID;
68
69static void defaultSettingsForAndroid(Paint* paint) {
70    // GlyphID encoding is required because we are using Harfbuzz shaping
71    paint->setTextEncoding(Paint::kGlyphID_TextEncoding);
72}
73
74namespace PaintGlue {
75    enum MoveOpt {
76        AFTER, AT_OR_AFTER, BEFORE, AT_OR_BEFORE, AT
77    };
78
79    static void deletePaint(Paint* paint) {
80        delete paint;
81    }
82
83    static jlong getNativeFinalizer(JNIEnv*, jobject) {
84        return static_cast<jlong>(reinterpret_cast<uintptr_t>(&deletePaint));
85    }
86
87    static jlong init(JNIEnv* env, jobject) {
88        static_assert(1 <<  0 == SkPaint::kAntiAlias_Flag,          "paint_flags_mismatch");
89        static_assert(1 <<  2 == SkPaint::kDither_Flag,             "paint_flags_mismatch");
90        static_assert(1 <<  3 == SkPaint::kUnderlineText_Flag,      "paint_flags_mismatch");
91        static_assert(1 <<  4 == SkPaint::kStrikeThruText_Flag,     "paint_flags_mismatch");
92        static_assert(1 <<  5 == SkPaint::kFakeBoldText_Flag,       "paint_flags_mismatch");
93        static_assert(1 <<  6 == SkPaint::kLinearText_Flag,         "paint_flags_mismatch");
94        static_assert(1 <<  7 == SkPaint::kSubpixelText_Flag,       "paint_flags_mismatch");
95        static_assert(1 <<  8 == SkPaint::kDevKernText_Flag,        "paint_flags_mismatch");
96        static_assert(1 << 10 == SkPaint::kEmbeddedBitmapText_Flag, "paint_flags_mismatch");
97
98        Paint* obj = new Paint();
99        defaultSettingsForAndroid(obj);
100        return reinterpret_cast<jlong>(obj);
101    }
102
103    static jlong initWithPaint(JNIEnv* env, jobject clazz, jlong paintHandle) {
104        Paint* paint = reinterpret_cast<Paint*>(paintHandle);
105        Paint* obj = new Paint(*paint);
106        return reinterpret_cast<jlong>(obj);
107    }
108
109    static int breakText(JNIEnv* env, const Paint& paint, Typeface* typeface, const jchar text[],
110            int count, float maxWidth, jint bidiFlags, jfloatArray jmeasured,
111            const bool forwardScan) {
112        size_t measuredCount = 0;
113        float measured = 0;
114
115        std::unique_ptr<float[]> advancesArray(new float[count]);
116        MinikinUtils::measureText(&paint, bidiFlags, typeface, text, 0, count, count,
117                advancesArray.get());
118
119        for (int i = 0; i < count; i++) {
120            // traverse in the given direction
121            int index = forwardScan ? i : (count - i - 1);
122            float width = advancesArray[index];
123            if (measured + width > maxWidth) {
124                break;
125            }
126            // properly handle clusters when scanning backwards
127            if (forwardScan || width != 0.0f) {
128                measuredCount = i + 1;
129            }
130            measured += width;
131        }
132
133        if (jmeasured && env->GetArrayLength(jmeasured) > 0) {
134            AutoJavaFloatArray autoMeasured(env, jmeasured, 1);
135            jfloat* array = autoMeasured.ptr();
136            array[0] = measured;
137        }
138        return measuredCount;
139    }
140
141    static jint breakTextC(JNIEnv* env, jobject clazz, jlong paintHandle, jlong typefaceHandle,
142            jcharArray jtext, jint index, jint count, jfloat maxWidth, jint bidiFlags,
143            jfloatArray jmeasuredWidth) {
144        NPE_CHECK_RETURN_ZERO(env, jtext);
145
146        Paint* paint = reinterpret_cast<Paint*>(paintHandle);
147        Typeface* typeface = reinterpret_cast<Typeface*>(typefaceHandle);
148
149        bool forwardTextDirection;
150        if (count < 0) {
151            forwardTextDirection = false;
152            count = -count;
153        }
154        else {
155            forwardTextDirection = true;
156        }
157
158        if ((index < 0) || (index + count > env->GetArrayLength(jtext))) {
159            doThrowAIOOBE(env);
160            return 0;
161        }
162
163        const jchar* text = env->GetCharArrayElements(jtext, nullptr);
164        count = breakText(env, *paint, typeface, text + index, count, maxWidth,
165                          bidiFlags, jmeasuredWidth, forwardTextDirection);
166        env->ReleaseCharArrayElements(jtext, const_cast<jchar*>(text),
167                                      JNI_ABORT);
168        return count;
169    }
170
171    static jint breakTextS(JNIEnv* env, jobject clazz, jlong paintHandle, jlong typefaceHandle, jstring jtext,
172                jboolean forwards, jfloat maxWidth, jint bidiFlags, jfloatArray jmeasuredWidth) {
173        NPE_CHECK_RETURN_ZERO(env, jtext);
174
175        Paint* paint = reinterpret_cast<Paint*>(paintHandle);
176        Typeface* typeface = reinterpret_cast<Typeface*>(typefaceHandle);
177
178        int count = env->GetStringLength(jtext);
179        const jchar* text = env->GetStringChars(jtext, nullptr);
180        count = breakText(env, *paint, typeface, text, count, maxWidth, bidiFlags, jmeasuredWidth, forwards);
181        env->ReleaseStringChars(jtext, text);
182        return count;
183    }
184
185    static jfloat doTextAdvances(JNIEnv *env, Paint *paint, Typeface* typeface,
186            const jchar *text, jint start, jint count, jint contextCount, jint bidiFlags,
187            jfloatArray advances, jint advancesIndex) {
188        NPE_CHECK_RETURN_ZERO(env, text);
189
190        if ((start | count | contextCount | advancesIndex) < 0 || contextCount < count) {
191            doThrowAIOOBE(env);
192            return 0;
193        }
194        if (count == 0) {
195            return 0;
196        }
197        if (advances) {
198            size_t advancesLength = env->GetArrayLength(advances);
199            if ((size_t)(count  + advancesIndex) > advancesLength) {
200                doThrowAIOOBE(env);
201                return 0;
202            }
203        }
204        std::unique_ptr<jfloat[]> advancesArray;
205        if (advances) {
206            advancesArray.reset(new jfloat[count]);
207        }
208        const float advance = MinikinUtils::measureText(paint, bidiFlags, typeface, text,
209                start, count, contextCount, advancesArray.get());
210        if (advances) {
211            env->SetFloatArrayRegion(advances, advancesIndex, count, advancesArray.get());
212        }
213        return advance;
214    }
215
216    static jfloat getTextAdvances___CIIIII_FI(JNIEnv* env, jobject clazz, jlong paintHandle,
217            jlong typefaceHandle,
218            jcharArray text, jint index, jint count, jint contextIndex, jint contextCount,
219            jint bidiFlags, jfloatArray advances, jint advancesIndex) {
220        Paint* paint = reinterpret_cast<Paint*>(paintHandle);
221        Typeface* typeface = reinterpret_cast<Typeface*>(typefaceHandle);
222        jchar* textArray = env->GetCharArrayElements(text, nullptr);
223        jfloat result = doTextAdvances(env, paint, typeface, textArray + contextIndex,
224                index - contextIndex, count, contextCount, bidiFlags, advances, advancesIndex);
225        env->ReleaseCharArrayElements(text, textArray, JNI_ABORT);
226        return result;
227    }
228
229    static jfloat getTextAdvances__StringIIIII_FI(JNIEnv* env, jobject clazz, jlong paintHandle,
230            jlong typefaceHandle,
231            jstring text, jint start, jint end, jint contextStart, jint contextEnd, jint bidiFlags,
232            jfloatArray advances, jint advancesIndex) {
233        Paint* paint = reinterpret_cast<Paint*>(paintHandle);
234        Typeface* typeface = reinterpret_cast<Typeface*>(typefaceHandle);
235        const jchar* textArray = env->GetStringChars(text, nullptr);
236        jfloat result = doTextAdvances(env, paint, typeface, textArray + contextStart,
237                start - contextStart, end - start, contextEnd - contextStart, bidiFlags,
238                advances, advancesIndex);
239        env->ReleaseStringChars(text, textArray);
240        return result;
241    }
242
243    static jint doTextRunCursor(JNIEnv *env, Paint* paint, const jchar *text, jint start,
244            jint count, jint flags, jint offset, jint opt) {
245        minikin::GraphemeBreak::MoveOpt moveOpt = minikin::GraphemeBreak::MoveOpt(opt);
246        size_t result = minikin::GraphemeBreak::getTextRunCursor(text, start, count, offset,
247                moveOpt);
248        return static_cast<jint>(result);
249    }
250
251    static jint getTextRunCursor___C(JNIEnv* env, jobject clazz, jlong paintHandle, jcharArray text,
252            jint contextStart, jint contextCount, jint dir, jint offset, jint cursorOpt) {
253        Paint* paint = reinterpret_cast<Paint*>(paintHandle);
254        jchar* textArray = env->GetCharArrayElements(text, nullptr);
255        jint result = doTextRunCursor(env, paint, textArray, contextStart, contextCount, dir,
256                offset, cursorOpt);
257        env->ReleaseCharArrayElements(text, textArray, JNI_ABORT);
258        return result;
259    }
260
261    static jint getTextRunCursor__String(JNIEnv* env, jobject clazz, jlong paintHandle, jstring text,
262            jint contextStart, jint contextEnd, jint dir, jint offset, jint cursorOpt) {
263        Paint* paint = reinterpret_cast<Paint*>(paintHandle);
264        const jchar* textArray = env->GetStringChars(text, nullptr);
265        jint result = doTextRunCursor(env, paint, textArray, contextStart,
266                contextEnd - contextStart, dir, offset, cursorOpt);
267        env->ReleaseStringChars(text, textArray);
268        return result;
269    }
270
271    class GetTextFunctor {
272    public:
273        GetTextFunctor(const minikin::Layout& layout, SkPath* path, jfloat x, jfloat y,
274                    Paint* paint, uint16_t* glyphs, SkPoint* pos)
275                : layout(layout), path(path), x(x), y(y), paint(paint), glyphs(glyphs), pos(pos) {
276        }
277
278        void operator()(size_t start, size_t end) {
279            for (size_t i = start; i < end; i++) {
280                glyphs[i] = layout.getGlyphId(i);
281                pos[i].fX = x + layout.getX(i);
282                pos[i].fY = y + layout.getY(i);
283            }
284            if (start == 0) {
285                paint->getPosTextPath(glyphs + start, (end - start) << 1, pos + start, path);
286            } else {
287                paint->getPosTextPath(glyphs + start, (end - start) << 1, pos + start, &tmpPath);
288                path->addPath(tmpPath);
289            }
290        }
291    private:
292        const minikin::Layout& layout;
293        SkPath* path;
294        jfloat x;
295        jfloat y;
296        Paint* paint;
297        uint16_t* glyphs;
298        SkPoint* pos;
299        SkPath tmpPath;
300    };
301
302    static void getTextPath(JNIEnv* env, Paint* paint, Typeface* typeface, const jchar* text,
303            jint count, jint bidiFlags, jfloat x, jfloat y, SkPath* path) {
304        minikin::Layout layout;
305        MinikinUtils::doLayout(&layout, paint, bidiFlags, typeface, text, 0, count, count);
306        size_t nGlyphs = layout.nGlyphs();
307        uint16_t* glyphs = new uint16_t[nGlyphs];
308        SkPoint* pos = new SkPoint[nGlyphs];
309
310        x += MinikinUtils::xOffsetForTextAlign(paint, layout);
311        Paint::Align align = paint->getTextAlign();
312        paint->setTextAlign(Paint::kLeft_Align);
313        paint->setTextEncoding(Paint::kGlyphID_TextEncoding);
314        GetTextFunctor f(layout, path, x, y, paint, glyphs, pos);
315        MinikinUtils::forFontRun(layout, paint, f);
316        paint->setTextAlign(align);
317        delete[] glyphs;
318        delete[] pos;
319    }
320
321    static void getTextPath___C(JNIEnv* env, jobject clazz, jlong paintHandle,
322            jlong typefaceHandle, jint bidiFlags,
323            jcharArray text, jint index, jint count, jfloat x, jfloat y, jlong pathHandle) {
324        Paint* paint = reinterpret_cast<Paint*>(paintHandle);
325        Typeface* typeface = reinterpret_cast<Typeface*>(typefaceHandle);
326        SkPath* path = reinterpret_cast<SkPath*>(pathHandle);
327        const jchar* textArray = env->GetCharArrayElements(text, nullptr);
328        getTextPath(env, paint, typeface, textArray + index, count, bidiFlags, x, y, path);
329        env->ReleaseCharArrayElements(text, const_cast<jchar*>(textArray), JNI_ABORT);
330    }
331
332    static void getTextPath__String(JNIEnv* env, jobject clazz, jlong paintHandle,
333            jlong typefaceHandle, jint bidiFlags,
334            jstring text, jint start, jint end, jfloat x, jfloat y, jlong pathHandle) {
335        Paint* paint = reinterpret_cast<Paint*>(paintHandle);
336        Typeface* typeface = reinterpret_cast<Typeface*>(typefaceHandle);
337        SkPath* path = reinterpret_cast<SkPath*>(pathHandle);
338        const jchar* textArray = env->GetStringChars(text, nullptr);
339        getTextPath(env, paint, typeface, textArray + start, end - start, bidiFlags, x, y, path);
340        env->ReleaseStringChars(text, textArray);
341    }
342
343    static void doTextBounds(JNIEnv* env, const jchar* text, int count, jobject bounds,
344            const Paint& paint, Typeface* typeface, jint bidiFlags) {
345        SkRect  r;
346        SkIRect ir;
347
348        minikin::Layout layout;
349        MinikinUtils::doLayout(&layout, &paint, bidiFlags, typeface, text, 0, count, count);
350        minikin::MinikinRect rect;
351        layout.getBounds(&rect);
352        r.fLeft = rect.mLeft;
353        r.fTop = rect.mTop;
354        r.fRight = rect.mRight;
355        r.fBottom = rect.mBottom;
356        r.roundOut(&ir);
357        GraphicsJNI::irect_to_jrect(ir, env, bounds);
358    }
359
360    static void getStringBounds(JNIEnv* env, jobject, jlong paintHandle, jlong typefaceHandle,
361                                jstring text, jint start, jint end, jint bidiFlags, jobject bounds) {
362        const Paint* paint = reinterpret_cast<Paint*>(paintHandle);
363        Typeface* typeface = reinterpret_cast<Typeface*>(typefaceHandle);
364        const jchar* textArray = env->GetStringChars(text, nullptr);
365        doTextBounds(env, textArray + start, end - start, bounds, *paint, typeface, bidiFlags);
366        env->ReleaseStringChars(text, textArray);
367    }
368
369    static void getCharArrayBounds(JNIEnv* env, jobject, jlong paintHandle, jlong typefaceHandle,
370                        jcharArray text, jint index, jint count, jint bidiFlags, jobject bounds) {
371        const Paint* paint = reinterpret_cast<Paint*>(paintHandle);
372        Typeface* typeface = reinterpret_cast<Typeface*>(typefaceHandle);
373        const jchar* textArray = env->GetCharArrayElements(text, nullptr);
374        doTextBounds(env, textArray + index, count, bounds, *paint, typeface, bidiFlags);
375        env->ReleaseCharArrayElements(text, const_cast<jchar*>(textArray),
376                                      JNI_ABORT);
377    }
378
379    // Returns true if the given string is exact one pair of regional indicators.
380    static bool isFlag(const jchar* str, size_t length) {
381        const jchar RI_LEAD_SURROGATE = 0xD83C;
382        const jchar RI_TRAIL_SURROGATE_MIN = 0xDDE6;
383        const jchar RI_TRAIL_SURROGATE_MAX = 0xDDFF;
384
385        if (length != 4) {
386            return false;
387        }
388        if (str[0] != RI_LEAD_SURROGATE || str[2] != RI_LEAD_SURROGATE) {
389            return false;
390        }
391        return RI_TRAIL_SURROGATE_MIN <= str[1] && str[1] <= RI_TRAIL_SURROGATE_MAX &&
392            RI_TRAIL_SURROGATE_MIN <= str[3] && str[3] <= RI_TRAIL_SURROGATE_MAX;
393    }
394
395    static jboolean layoutContainsNotdef(const minikin::Layout& layout) {
396        for (size_t i = 0; i < layout.nGlyphs(); i++) {
397            if (layout.getGlyphId(i) == 0) {
398                return true;
399            }
400        }
401        return false;
402    }
403
404    // Don't count glyphs that are the recommended "space" glyph and are zero width.
405    // This logic makes assumptions about HarfBuzz layout, but does correctly handle
406    // cases where ligatures form and zero width space glyphs are left in as
407    // placeholders.
408    static size_t countNonSpaceGlyphs(const minikin::Layout& layout) {
409        size_t count = 0;
410        static unsigned int kSpaceGlyphId = 3;
411        for (size_t i = 0; i < layout.nGlyphs(); i++) {
412            if (layout.getGlyphId(i) != kSpaceGlyphId || layout.getCharAdvance(i) != 0.0) {
413                count++;
414            }
415        }
416        return count;
417    }
418
419    static jboolean hasGlyph(JNIEnv *env, jclass, jlong paintHandle, jlong typefaceHandle,
420            jint bidiFlags, jstring string) {
421        const Paint* paint = reinterpret_cast<Paint*>(paintHandle);
422        Typeface* typeface = reinterpret_cast<Typeface*>(typefaceHandle);
423        ScopedStringChars str(env, string);
424
425        /* Start by rejecting unsupported base code point and variation selector pairs. */
426        size_t nChars = 0;
427        const uint32_t kStartOfString = 0xFFFFFFFF;
428        uint32_t prevCp = kStartOfString;
429        for (size_t i = 0; i < str.size(); i++) {
430            jchar cu = str[i];
431            uint32_t cp = cu;
432            if (U16_IS_TRAIL(cu)) {
433                // invalid UTF-16, unpaired trailing surrogate
434                return false;
435            } else if (U16_IS_LEAD(cu)) {
436                if (i + 1 == str.size()) {
437                    // invalid UTF-16, unpaired leading surrogate at end of string
438                    return false;
439                }
440                i++;
441                jchar cu2 = str[i];
442                if (!U16_IS_TRAIL(cu2)) {
443                    // invalid UTF-16, unpaired leading surrogate
444                    return false;
445                }
446                cp = U16_GET_SUPPLEMENTARY(cu, cu2);
447            }
448
449            if (prevCp != kStartOfString &&
450                ((0xFE00 <= cp && cp <= 0xFE0F) || (0xE0100 <= cp && cp <= 0xE01EF))) {
451                bool hasVS = MinikinUtils::hasVariationSelector(typeface, prevCp, cp);
452                if (!hasVS) {
453                    // No font has a glyph for the code point and variation selector pair.
454                    return false;
455                } else if (nChars == 1 && i + 1 == str.size()) {
456                    // The string is just a codepoint and a VS, we have an authoritative answer
457                    return true;
458                }
459            }
460            nChars++;
461            prevCp = cp;
462        }
463        minikin::Layout layout;
464        MinikinUtils::doLayout(&layout, paint, bidiFlags, typeface, str.get(), 0, str.size(),
465                str.size());
466        size_t nGlyphs = countNonSpaceGlyphs(layout);
467        if (nGlyphs != 1 && nChars > 1) {
468            // multiple-character input, and was not a ligature
469            // TODO: handle ZWJ/ZWNJ characters specially so we can detect certain ligatures
470            // in joining scripts, such as Arabic and Mongolian.
471            return false;
472        }
473
474        if (nGlyphs == 0 || layoutContainsNotdef(layout)) {
475            return false;  // The collection doesn't have a glyph.
476        }
477
478        if (nChars == 2 && isFlag(str.get(), str.size())) {
479            // Some font may have a special glyph for unsupported regional indicator pairs.
480            // To return false for this case, need to compare the glyph id with the one of ZZ
481            // since ZZ is reserved for unknown or invalid territory.
482            // U+1F1FF (REGIONAL INDICATOR SYMBOL LETTER Z) is \uD83C\uDDFF in UTF16.
483            static const jchar ZZ_FLAG_STR[] = { 0xD83C, 0xDDFF, 0xD83C, 0xDDFF };
484            minikin::Layout zzLayout;
485            MinikinUtils::doLayout(&zzLayout, paint, bidiFlags, typeface, ZZ_FLAG_STR, 0, 4, 4);
486            if (zzLayout.nGlyphs() != 1 || layoutContainsNotdef(zzLayout)) {
487                // The font collection doesn't have a glyph for unknown flag. Just return true.
488                return true;
489            }
490            return zzLayout.getGlyphId(0) != layout.getGlyphId(0);
491        }
492        return true;
493    }
494
495    static jfloat doRunAdvance(const Paint* paint, Typeface* typeface, const jchar buf[],
496            jint start, jint count, jint bufSize, jboolean isRtl, jint offset) {
497        int bidiFlags = isRtl ? minikin::kBidi_Force_RTL : minikin::kBidi_Force_LTR;
498        if (offset == start + count) {
499            return MinikinUtils::measureText(paint, bidiFlags, typeface, buf, start, count,
500                    bufSize, nullptr);
501        }
502        std::unique_ptr<float[]> advancesArray(new float[count]);
503        MinikinUtils::measureText(paint, bidiFlags, typeface, buf, start, count, bufSize,
504                advancesArray.get());
505        return minikin::getRunAdvance(advancesArray.get(), buf, start, count, offset);
506    }
507
508    static jfloat getRunAdvance___CIIIIZI_F(JNIEnv *env, jclass, jlong paintHandle,
509            jlong typefaceHandle, jcharArray text, jint start, jint end, jint contextStart,
510            jint contextEnd, jboolean isRtl, jint offset) {
511        const Paint* paint = reinterpret_cast<Paint*>(paintHandle);
512        Typeface* typeface = reinterpret_cast<Typeface*>(typefaceHandle);
513        jchar* textArray = (jchar*) env->GetPrimitiveArrayCritical(text, nullptr);
514        jfloat result = doRunAdvance(paint, typeface, textArray + contextStart,
515                start - contextStart, end - start, contextEnd - contextStart, isRtl,
516                offset - contextStart);
517        env->ReleasePrimitiveArrayCritical(text, textArray, JNI_ABORT);
518        return result;
519    }
520
521    static jint doOffsetForAdvance(const Paint* paint, Typeface* typeface, const jchar buf[],
522            jint start, jint count, jint bufSize, jboolean isRtl, jfloat advance) {
523        int bidiFlags = isRtl ? minikin::kBidi_Force_RTL : minikin::kBidi_Force_LTR;
524        std::unique_ptr<float[]> advancesArray(new float[count]);
525        MinikinUtils::measureText(paint, bidiFlags, typeface, buf, start, count, bufSize,
526                advancesArray.get());
527        return minikin::getOffsetForAdvance(advancesArray.get(), buf, start, count, advance);
528    }
529
530    static jint getOffsetForAdvance___CIIIIZF_I(JNIEnv *env, jclass, jlong paintHandle,
531            jlong typefaceHandle, jcharArray text, jint start, jint end, jint contextStart,
532            jint contextEnd, jboolean isRtl, jfloat advance) {
533        const Paint* paint = reinterpret_cast<Paint*>(paintHandle);
534        Typeface* typeface = reinterpret_cast<Typeface*>(typefaceHandle);
535        jchar* textArray = (jchar*) env->GetPrimitiveArrayCritical(text, nullptr);
536        jint result = doOffsetForAdvance(paint, typeface, textArray + contextStart,
537                start - contextStart, end - start, contextEnd - contextStart, isRtl, advance);
538        result += contextStart;
539        env->ReleasePrimitiveArrayCritical(text, textArray, JNI_ABORT);
540        return result;
541    }
542
543    // ------------------ @FastNative ---------------------------
544
545    static jint setTextLocales(JNIEnv* env, jobject clazz, jlong objHandle, jstring locales) {
546        Paint* obj = reinterpret_cast<Paint*>(objHandle);
547        ScopedUtfChars localesChars(env, locales);
548        jint minikinLangListId = minikin::FontStyle::registerLanguageList(localesChars.c_str());
549        obj->setMinikinLangListId(minikinLangListId);
550        return minikinLangListId;
551    }
552
553    static void setFontFeatureSettings(JNIEnv* env, jobject clazz, jlong paintHandle, jstring settings) {
554        Paint* paint = reinterpret_cast<Paint*>(paintHandle);
555        if (!settings) {
556            paint->setFontFeatureSettings(std::string());
557        } else {
558            ScopedUtfChars settingsChars(env, settings);
559            paint->setFontFeatureSettings(std::string(settingsChars.c_str(), settingsChars.size()));
560        }
561    }
562
563    static SkScalar getMetricsInternal(jlong paintHandle, jlong typefaceHandle,
564            Paint::FontMetrics *metrics) {
565        const int kElegantTop = 2500;
566        const int kElegantBottom = -1000;
567        const int kElegantAscent = 1900;
568        const int kElegantDescent = -500;
569        const int kElegantLeading = 0;
570        Paint* paint = reinterpret_cast<Paint*>(paintHandle);
571        Typeface* typeface = reinterpret_cast<Typeface*>(typefaceHandle);
572        typeface = Typeface::resolveDefault(typeface);
573        minikin::FakedFont baseFont = typeface->fFontCollection->baseFontFaked(typeface->fStyle);
574        float saveSkewX = paint->getTextSkewX();
575        bool savefakeBold = paint->isFakeBoldText();
576        MinikinFontSkia::populateSkPaint(paint, baseFont.font, baseFont.fakery);
577        SkScalar spacing = paint->getFontMetrics(metrics);
578        // The populateSkPaint call may have changed fake bold / text skew
579        // because we want to measure with those effects applied, so now
580        // restore the original settings.
581        paint->setTextSkewX(saveSkewX);
582        paint->setFakeBoldText(savefakeBold);
583        if (paint->getFontVariant() == minikin::VARIANT_ELEGANT) {
584            SkScalar size = paint->getTextSize();
585            metrics->fTop = -size * kElegantTop / 2048;
586            metrics->fBottom = -size * kElegantBottom / 2048;
587            metrics->fAscent = -size * kElegantAscent / 2048;
588            metrics->fDescent = -size * kElegantDescent / 2048;
589            metrics->fLeading = size * kElegantLeading / 2048;
590            spacing = metrics->fDescent - metrics->fAscent + metrics->fLeading;
591        }
592        return spacing;
593    }
594
595    static jfloat getFontMetrics(JNIEnv* env, jobject, jlong paintHandle,
596            jlong typefaceHandle, jobject metricsObj) {
597        Paint::FontMetrics metrics;
598        SkScalar spacing = getMetricsInternal(paintHandle, typefaceHandle, &metrics);
599
600        if (metricsObj) {
601            SkASSERT(env->IsInstanceOf(metricsObj, gFontMetrics_class));
602            env->SetFloatField(metricsObj, gFontMetrics_fieldID.top, SkScalarToFloat(metrics.fTop));
603            env->SetFloatField(metricsObj, gFontMetrics_fieldID.ascent, SkScalarToFloat(metrics.fAscent));
604            env->SetFloatField(metricsObj, gFontMetrics_fieldID.descent, SkScalarToFloat(metrics.fDescent));
605            env->SetFloatField(metricsObj, gFontMetrics_fieldID.bottom, SkScalarToFloat(metrics.fBottom));
606            env->SetFloatField(metricsObj, gFontMetrics_fieldID.leading, SkScalarToFloat(metrics.fLeading));
607        }
608        return SkScalarToFloat(spacing);
609    }
610
611    static jint getFontMetricsInt(JNIEnv* env, jobject, jlong paintHandle,
612            jlong typefaceHandle, jobject metricsObj) {
613        Paint::FontMetrics metrics;
614
615        getMetricsInternal(paintHandle, typefaceHandle, &metrics);
616        int ascent = SkScalarRoundToInt(metrics.fAscent);
617        int descent = SkScalarRoundToInt(metrics.fDescent);
618        int leading = SkScalarRoundToInt(metrics.fLeading);
619
620        if (metricsObj) {
621            SkASSERT(env->IsInstanceOf(metricsObj, gFontMetricsInt_class));
622            env->SetIntField(metricsObj, gFontMetricsInt_fieldID.top, SkScalarFloorToInt(metrics.fTop));
623            env->SetIntField(metricsObj, gFontMetricsInt_fieldID.ascent, ascent);
624            env->SetIntField(metricsObj, gFontMetricsInt_fieldID.descent, descent);
625            env->SetIntField(metricsObj, gFontMetricsInt_fieldID.bottom, SkScalarCeilToInt(metrics.fBottom));
626            env->SetIntField(metricsObj, gFontMetricsInt_fieldID.leading, leading);
627        }
628        return descent - ascent + leading;
629    }
630
631
632    // ------------------ @CriticalNative ---------------------------
633
634    static void reset(jlong objHandle) {
635        Paint* obj = reinterpret_cast<Paint*>(objHandle);
636        obj->reset();
637        defaultSettingsForAndroid(obj);
638    }
639
640    static void assign(jlong dstPaintHandle, jlong srcPaintHandle) {
641        Paint* dst = reinterpret_cast<Paint*>(dstPaintHandle);
642        const Paint* src = reinterpret_cast<Paint*>(srcPaintHandle);
643        *dst = *src;
644    }
645
646    // Equivalent to the Java Paint's FILTER_BITMAP_FLAG.
647    static const uint32_t sFilterBitmapFlag = 0x02;
648
649    static jint getFlags(jlong paintHandle) {
650        Paint* nativePaint = reinterpret_cast<Paint*>(paintHandle);
651        uint32_t result = nativePaint->getFlags();
652        result &= ~sFilterBitmapFlag; // Filtering no longer stored in this bit. Mask away.
653        if (nativePaint->getFilterQuality() != kNone_SkFilterQuality) {
654            result |= sFilterBitmapFlag;
655        }
656        return static_cast<jint>(result);
657    }
658
659    static void setFlags(jlong paintHandle, jint flags) {
660        Paint* nativePaint = reinterpret_cast<Paint*>(paintHandle);
661        // Instead of modifying 0x02, change the filter level.
662        nativePaint->setFilterQuality(flags & sFilterBitmapFlag
663                ? kLow_SkFilterQuality
664                : kNone_SkFilterQuality);
665        // Don't pass through filter flag, which is no longer stored in paint's flags.
666        flags &= ~sFilterBitmapFlag;
667        // Use the existing value for 0x02.
668        const uint32_t existing0x02Flag = nativePaint->getFlags() & sFilterBitmapFlag;
669        flags |= existing0x02Flag;
670        nativePaint->setFlags(flags);
671    }
672
673    static jint getHinting(jlong paintHandle) {
674        return reinterpret_cast<Paint*>(paintHandle)->getHinting()
675                == Paint::kNo_Hinting ? 0 : 1;
676    }
677
678    static void setHinting(jlong paintHandle, jint mode) {
679        reinterpret_cast<Paint*>(paintHandle)->setHinting(
680                mode == 0 ? Paint::kNo_Hinting : Paint::kNormal_Hinting);
681    }
682
683    static void setAntiAlias(jlong paintHandle, jboolean aa) {
684        reinterpret_cast<Paint*>(paintHandle)->setAntiAlias(aa);
685    }
686
687    static void setLinearText(jlong paintHandle, jboolean linearText) {
688        reinterpret_cast<Paint*>(paintHandle)->setLinearText(linearText);
689    }
690
691    static void setSubpixelText(jlong paintHandle, jboolean subpixelText) {
692        reinterpret_cast<Paint*>(paintHandle)->setSubpixelText(subpixelText);
693    }
694
695    static void setUnderlineText(jlong paintHandle, jboolean underlineText) {
696        reinterpret_cast<Paint*>(paintHandle)->setUnderlineText(underlineText);
697    }
698
699    static void setStrikeThruText(jlong paintHandle, jboolean strikeThruText) {
700        reinterpret_cast<Paint*>(paintHandle)->setStrikeThruText(strikeThruText);
701    }
702
703    static void setFakeBoldText(jlong paintHandle, jboolean fakeBoldText) {
704        reinterpret_cast<Paint*>(paintHandle)->setFakeBoldText(fakeBoldText);
705    }
706
707    static void setFilterBitmap(jlong paintHandle, jboolean filterBitmap) {
708        reinterpret_cast<Paint*>(paintHandle)->setFilterQuality(
709                filterBitmap ? kLow_SkFilterQuality : kNone_SkFilterQuality);
710    }
711
712    static void setDither(jlong paintHandle, jboolean dither) {
713        reinterpret_cast<Paint*>(paintHandle)->setDither(dither);
714    }
715
716    static jint getStyle(jlong objHandle) {
717        Paint* obj = reinterpret_cast<Paint*>(objHandle);
718        return static_cast<jint>(obj->getStyle());
719    }
720
721    static void setStyle(jlong objHandle, jint styleHandle) {
722        Paint* obj = reinterpret_cast<Paint*>(objHandle);
723        Paint::Style style = static_cast<Paint::Style>(styleHandle);
724        obj->setStyle(style);
725    }
726
727    static jint getColor(jlong paintHandle) {
728        int color;
729        color = reinterpret_cast<Paint*>(paintHandle)->getColor();
730        return static_cast<jint>(color);
731    }
732
733    static jint getAlpha(jlong paintHandle) {
734        int alpha;
735        alpha = reinterpret_cast<Paint*>(paintHandle)->getAlpha();
736        return static_cast<jint>(alpha);
737    }
738
739    static void setColor(jlong paintHandle, jint color) {
740        reinterpret_cast<Paint*>(paintHandle)->setColor(color);
741    }
742
743    static void setAlpha(jlong paintHandle, jint a) {
744        reinterpret_cast<Paint*>(paintHandle)->setAlpha(a);
745    }
746
747    static jfloat getStrokeWidth(jlong paintHandle) {
748        return SkScalarToFloat(reinterpret_cast<Paint*>(paintHandle)->getStrokeWidth());
749    }
750
751    static void setStrokeWidth(jlong paintHandle, jfloat width) {
752        reinterpret_cast<Paint*>(paintHandle)->setStrokeWidth(width);
753    }
754
755    static jfloat getStrokeMiter(jlong paintHandle) {
756        return SkScalarToFloat(reinterpret_cast<Paint*>(paintHandle)->getStrokeMiter());
757    }
758
759    static void setStrokeMiter(jlong paintHandle, jfloat miter) {
760        reinterpret_cast<Paint*>(paintHandle)->setStrokeMiter(miter);
761    }
762
763    static jint getStrokeCap(jlong objHandle) {
764        Paint* obj = reinterpret_cast<Paint*>(objHandle);
765        return static_cast<jint>(obj->getStrokeCap());
766    }
767
768    static void setStrokeCap(jlong objHandle, jint capHandle) {
769        Paint* obj = reinterpret_cast<Paint*>(objHandle);
770        Paint::Cap cap = static_cast<Paint::Cap>(capHandle);
771        obj->setStrokeCap(cap);
772    }
773
774    static jint getStrokeJoin(jlong objHandle) {
775        Paint* obj = reinterpret_cast<Paint*>(objHandle);
776        return static_cast<jint>(obj->getStrokeJoin());
777    }
778
779    static void setStrokeJoin(jlong objHandle, jint joinHandle) {
780        Paint* obj = reinterpret_cast<Paint*>(objHandle);
781        Paint::Join join = (Paint::Join) joinHandle;
782        obj->setStrokeJoin(join);
783    }
784
785    static jboolean getFillPath(jlong objHandle, jlong srcHandle, jlong dstHandle) {
786        Paint* obj = reinterpret_cast<Paint*>(objHandle);
787        SkPath* src = reinterpret_cast<SkPath*>(srcHandle);
788        SkPath* dst = reinterpret_cast<SkPath*>(dstHandle);
789        return obj->getFillPath(*src, dst) ? JNI_TRUE : JNI_FALSE;
790    }
791
792    static jlong setShader(jlong objHandle, jlong shaderHandle) {
793        Paint* obj = reinterpret_cast<Paint*>(objHandle);
794        SkShader* shader = reinterpret_cast<SkShader*>(shaderHandle);
795        obj->setShader(sk_ref_sp(shader));
796        return reinterpret_cast<jlong>(obj->getShader());
797    }
798
799    static jlong setColorFilter(jlong objHandle, jlong filterHandle) {
800        Paint* obj = reinterpret_cast<Paint *>(objHandle);
801        SkColorFilter* filter  = reinterpret_cast<SkColorFilter *>(filterHandle);
802        obj->setColorFilter(sk_ref_sp(filter));
803        return reinterpret_cast<jlong>(obj->getColorFilter());
804    }
805
806    static void setXfermode(jlong paintHandle, jint xfermodeHandle) {
807        // validate that the Java enum values match our expectations
808        static_assert(0 == static_cast<int>(SkBlendMode::kClear), "xfermode_mismatch");
809        static_assert(1 == static_cast<int>(SkBlendMode::kSrc), "xfermode_mismatch");
810        static_assert(2 == static_cast<int>(SkBlendMode::kDst), "xfermode_mismatch");
811        static_assert(3 == static_cast<int>(SkBlendMode::kSrcOver), "xfermode_mismatch");
812        static_assert(4 == static_cast<int>(SkBlendMode::kDstOver), "xfermode_mismatch");
813        static_assert(5 == static_cast<int>(SkBlendMode::kSrcIn), "xfermode_mismatch");
814        static_assert(6 == static_cast<int>(SkBlendMode::kDstIn), "xfermode_mismatch");
815        static_assert(7 == static_cast<int>(SkBlendMode::kSrcOut), "xfermode_mismatch");
816        static_assert(8 == static_cast<int>(SkBlendMode::kDstOut), "xfermode_mismatch");
817        static_assert(9 == static_cast<int>(SkBlendMode::kSrcATop), "xfermode_mismatch");
818        static_assert(10 == static_cast<int>(SkBlendMode::kDstATop), "xfermode_mismatch");
819        static_assert(11 == static_cast<int>(SkBlendMode::kXor), "xfermode_mismatch");
820        static_assert(16 == static_cast<int>(SkBlendMode::kDarken), "xfermode_mismatch");
821        static_assert(17 == static_cast<int>(SkBlendMode::kLighten), "xfermode_mismatch");
822        static_assert(13 == static_cast<int>(SkBlendMode::kModulate), "xfermode_mismatch");
823        static_assert(14 == static_cast<int>(SkBlendMode::kScreen), "xfermode_mismatch");
824        static_assert(12 == static_cast<int>(SkBlendMode::kPlus), "xfermode_mismatch");
825        static_assert(15 == static_cast<int>(SkBlendMode::kOverlay), "xfermode_mismatch");
826
827        SkBlendMode mode = static_cast<SkBlendMode>(xfermodeHandle);
828        Paint* paint = reinterpret_cast<Paint*>(paintHandle);
829        paint->setBlendMode(mode);
830    }
831
832    static jlong setPathEffect(jlong objHandle, jlong effectHandle) {
833        Paint* obj = reinterpret_cast<Paint*>(objHandle);
834        SkPathEffect* effect  = reinterpret_cast<SkPathEffect*>(effectHandle);
835        obj->setPathEffect(sk_ref_sp(effect));
836        return reinterpret_cast<jlong>(obj->getPathEffect());
837    }
838
839    static jlong setMaskFilter(jlong objHandle, jlong maskfilterHandle) {
840        Paint* obj = reinterpret_cast<Paint*>(objHandle);
841        SkMaskFilter* maskfilter  = reinterpret_cast<SkMaskFilter*>(maskfilterHandle);
842        obj->setMaskFilter(sk_ref_sp(maskfilter));
843        return reinterpret_cast<jlong>(obj->getMaskFilter());
844    }
845
846    static jlong setTypeface(jlong objHandle, jlong typefaceHandle) {
847        // TODO: in Paint refactoring, set typeface on android Paint, not Paint
848        return 0;
849    }
850
851    static jlong setRasterizer(jlong objHandle, jlong rasterizerHandle) {
852        Paint* obj = reinterpret_cast<Paint*>(objHandle);
853        obj->setRasterizer(GraphicsJNI::refNativeRasterizer(rasterizerHandle));
854        return reinterpret_cast<jlong>(obj->getRasterizer());
855    }
856
857    static jint getTextAlign(jlong objHandle) {
858        Paint* obj = reinterpret_cast<Paint*>(objHandle);
859        return static_cast<jint>(obj->getTextAlign());
860    }
861
862    static void setTextAlign(jlong objHandle, jint alignHandle) {
863        Paint* obj = reinterpret_cast<Paint*>(objHandle);
864        Paint::Align align = static_cast<Paint::Align>(alignHandle);
865        obj->setTextAlign(align);
866    }
867
868    static void setTextLocalesByMinikinLangListId(jlong objHandle,
869            jint minikinLangListId) {
870        Paint* obj = reinterpret_cast<Paint*>(objHandle);
871        obj->setMinikinLangListId(minikinLangListId);
872    }
873
874    static jboolean isElegantTextHeight(jlong paintHandle) {
875        Paint* obj = reinterpret_cast<Paint*>(paintHandle);
876        return obj->getFontVariant() == minikin::VARIANT_ELEGANT;
877    }
878
879    static void setElegantTextHeight(jlong paintHandle, jboolean aa) {
880        Paint* obj = reinterpret_cast<Paint*>(paintHandle);
881        obj->setFontVariant(aa ? minikin::VARIANT_ELEGANT : minikin::VARIANT_DEFAULT);
882    }
883
884    static jfloat getTextSize(jlong paintHandle) {
885        return SkScalarToFloat(reinterpret_cast<Paint*>(paintHandle)->getTextSize());
886    }
887
888    static void setTextSize(jlong paintHandle, jfloat textSize) {
889        reinterpret_cast<Paint*>(paintHandle)->setTextSize(textSize);
890    }
891
892    static jfloat getTextScaleX(jlong paintHandle) {
893        return SkScalarToFloat(reinterpret_cast<Paint*>(paintHandle)->getTextScaleX());
894    }
895
896    static void setTextScaleX(jlong paintHandle, jfloat scaleX) {
897        reinterpret_cast<Paint*>(paintHandle)->setTextScaleX(scaleX);
898    }
899
900    static jfloat getTextSkewX(jlong paintHandle) {
901        return SkScalarToFloat(reinterpret_cast<Paint*>(paintHandle)->getTextSkewX());
902    }
903
904    static void setTextSkewX(jlong paintHandle, jfloat skewX) {
905        reinterpret_cast<Paint*>(paintHandle)->setTextSkewX(skewX);
906    }
907
908    static jfloat getLetterSpacing(jlong paintHandle) {
909        Paint* paint = reinterpret_cast<Paint*>(paintHandle);
910        return paint->getLetterSpacing();
911    }
912
913    static void setLetterSpacing(jlong paintHandle, jfloat letterSpacing) {
914        Paint* paint = reinterpret_cast<Paint*>(paintHandle);
915        paint->setLetterSpacing(letterSpacing);
916    }
917
918    static jint getHyphenEdit(jlong paintHandle, jint hyphen) {
919        Paint* paint = reinterpret_cast<Paint*>(paintHandle);
920        return paint->getHyphenEdit();
921    }
922
923    static void setHyphenEdit(jlong paintHandle, jint hyphen) {
924        Paint* paint = reinterpret_cast<Paint*>(paintHandle);
925        paint->setHyphenEdit((uint32_t)hyphen);
926    }
927
928    static jfloat ascent(jlong paintHandle, jlong typefaceHandle) {
929        Paint::FontMetrics metrics;
930        getMetricsInternal(paintHandle, typefaceHandle, &metrics);
931        return SkScalarToFloat(metrics.fAscent);
932    }
933
934    static jfloat descent(jlong paintHandle, jlong typefaceHandle) {
935        Paint::FontMetrics metrics;
936        getMetricsInternal(paintHandle, typefaceHandle, &metrics);
937        return SkScalarToFloat(metrics.fDescent);
938    }
939
940    static void setShadowLayer(jlong paintHandle, jfloat radius,
941                               jfloat dx, jfloat dy, jint color) {
942        Paint* paint = reinterpret_cast<Paint*>(paintHandle);
943        if (radius <= 0) {
944            paint->setLooper(nullptr);
945        }
946        else {
947            SkScalar sigma = android::uirenderer::Blur::convertRadiusToSigma(radius);
948            paint->setLooper(SkBlurDrawLooper::Make((SkColor)color, sigma, dx, dy));
949        }
950    }
951
952    static jboolean hasShadowLayer(jlong paintHandle) {
953        Paint* paint = reinterpret_cast<Paint*>(paintHandle);
954        return paint->getLooper() && paint->getLooper()->asABlurShadow(nullptr);
955    }
956
957}; // namespace PaintGlue
958
959static const JNINativeMethod methods[] = {
960    {"nGetNativeFinalizer", "()J", (void*) PaintGlue::getNativeFinalizer},
961    {"nInit","()J", (void*) PaintGlue::init},
962    {"nInitWithPaint","(J)J", (void*) PaintGlue::initWithPaint},
963    {"nBreakText","(JJ[CIIFI[F)I", (void*) PaintGlue::breakTextC},
964    {"nBreakText","(JJLjava/lang/String;ZFI[F)I", (void*) PaintGlue::breakTextS},
965    {"nGetTextAdvances","(JJ[CIIIII[FI)F",
966            (void*) PaintGlue::getTextAdvances___CIIIII_FI},
967    {"nGetTextAdvances","(JJLjava/lang/String;IIIII[FI)F",
968            (void*) PaintGlue::getTextAdvances__StringIIIII_FI},
969
970    {"nGetTextRunCursor", "(J[CIIIII)I", (void*) PaintGlue::getTextRunCursor___C},
971    {"nGetTextRunCursor", "(JLjava/lang/String;IIIII)I",
972            (void*) PaintGlue::getTextRunCursor__String},
973    {"nGetTextPath", "(JJI[CIIFFJ)V", (void*) PaintGlue::getTextPath___C},
974    {"nGetTextPath", "(JJILjava/lang/String;IIFFJ)V", (void*) PaintGlue::getTextPath__String},
975    {"nGetStringBounds", "(JJLjava/lang/String;IIILandroid/graphics/Rect;)V",
976            (void*) PaintGlue::getStringBounds },
977    {"nGetCharArrayBounds", "(JJ[CIIILandroid/graphics/Rect;)V",
978            (void*) PaintGlue::getCharArrayBounds },
979    {"nHasGlyph", "(JJILjava/lang/String;)Z", (void*) PaintGlue::hasGlyph },
980    {"nGetRunAdvance", "(JJ[CIIIIZI)F", (void*) PaintGlue::getRunAdvance___CIIIIZI_F},
981    {"nGetOffsetForAdvance", "(JJ[CIIIIZF)I",
982            (void*) PaintGlue::getOffsetForAdvance___CIIIIZF_I},
983
984    // --------------- @FastNative ----------------------
985
986    {"nSetTextLocales","(JLjava/lang/String;)I", (void*) PaintGlue::setTextLocales},
987    {"nSetFontFeatureSettings","(JLjava/lang/String;)V",
988                (void*) PaintGlue::setFontFeatureSettings},
989    {"nGetFontMetrics", "(JJLandroid/graphics/Paint$FontMetrics;)F",
990                (void*)PaintGlue::getFontMetrics},
991    {"nGetFontMetricsInt", "(JJLandroid/graphics/Paint$FontMetricsInt;)I",
992            (void*)PaintGlue::getFontMetricsInt},
993
994    // --------------- @CriticalNative ------------------
995
996    {"nReset","(J)V", (void*) PaintGlue::reset},
997    {"nSet","(JJ)V", (void*) PaintGlue::assign},
998    {"nGetFlags","(J)I", (void*) PaintGlue::getFlags},
999    {"nSetFlags","(JI)V", (void*) PaintGlue::setFlags},
1000    {"nGetHinting","(J)I", (void*) PaintGlue::getHinting},
1001    {"nSetHinting","(JI)V", (void*) PaintGlue::setHinting},
1002    {"nSetAntiAlias","(JZ)V", (void*) PaintGlue::setAntiAlias},
1003    {"nSetSubpixelText","(JZ)V", (void*) PaintGlue::setSubpixelText},
1004    {"nSetLinearText","(JZ)V", (void*) PaintGlue::setLinearText},
1005    {"nSetUnderlineText","(JZ)V", (void*) PaintGlue::setUnderlineText},
1006    {"nSetStrikeThruText","(JZ)V", (void*) PaintGlue::setStrikeThruText},
1007    {"nSetFakeBoldText","(JZ)V", (void*) PaintGlue::setFakeBoldText},
1008    {"nSetFilterBitmap","(JZ)V", (void*) PaintGlue::setFilterBitmap},
1009    {"nSetDither","(JZ)V", (void*) PaintGlue::setDither},
1010    {"nGetStyle","(J)I", (void*) PaintGlue::getStyle},
1011    {"nSetStyle","(JI)V", (void*) PaintGlue::setStyle},
1012    {"nGetColor","(J)I", (void*) PaintGlue::getColor},
1013    {"nSetColor","(JI)V", (void*) PaintGlue::setColor},
1014    {"nGetAlpha","(J)I", (void*) PaintGlue::getAlpha},
1015    {"nSetAlpha","(JI)V", (void*) PaintGlue::setAlpha},
1016    {"nGetStrokeWidth","(J)F", (void*) PaintGlue::getStrokeWidth},
1017    {"nSetStrokeWidth","(JF)V", (void*) PaintGlue::setStrokeWidth},
1018    {"nGetStrokeMiter","(J)F", (void*) PaintGlue::getStrokeMiter},
1019    {"nSetStrokeMiter","(JF)V", (void*) PaintGlue::setStrokeMiter},
1020    {"nGetStrokeCap","(J)I", (void*) PaintGlue::getStrokeCap},
1021    {"nSetStrokeCap","(JI)V", (void*) PaintGlue::setStrokeCap},
1022    {"nGetStrokeJoin","(J)I", (void*) PaintGlue::getStrokeJoin},
1023    {"nSetStrokeJoin","(JI)V", (void*) PaintGlue::setStrokeJoin},
1024    {"nGetFillPath","(JJJ)Z", (void*) PaintGlue::getFillPath},
1025    {"nSetShader","(JJ)J", (void*) PaintGlue::setShader},
1026    {"nSetColorFilter","(JJ)J", (void*) PaintGlue::setColorFilter},
1027    {"nSetXfermode","(JI)V", (void*) PaintGlue::setXfermode},
1028    {"nSetPathEffect","(JJ)J", (void*) PaintGlue::setPathEffect},
1029    {"nSetMaskFilter","(JJ)J", (void*) PaintGlue::setMaskFilter},
1030    {"nSetTypeface","(JJ)J", (void*) PaintGlue::setTypeface},
1031    {"nSetRasterizer","(JJ)J", (void*) PaintGlue::setRasterizer},
1032    {"nGetTextAlign","(J)I", (void*) PaintGlue::getTextAlign},
1033    {"nSetTextAlign","(JI)V", (void*) PaintGlue::setTextAlign},
1034    {"nSetTextLocalesByMinikinLangListId","(JI)V",
1035            (void*) PaintGlue::setTextLocalesByMinikinLangListId},
1036    {"nIsElegantTextHeight","(J)Z", (void*) PaintGlue::isElegantTextHeight},
1037    {"nSetElegantTextHeight","(JZ)V", (void*) PaintGlue::setElegantTextHeight},
1038    {"nGetTextSize","(J)F", (void*) PaintGlue::getTextSize},
1039    {"nSetTextSize","(JF)V", (void*) PaintGlue::setTextSize},
1040    {"nGetTextScaleX","(J)F", (void*) PaintGlue::getTextScaleX},
1041    {"nSetTextScaleX","(JF)V", (void*) PaintGlue::setTextScaleX},
1042    {"nGetTextSkewX","(J)F", (void*) PaintGlue::getTextSkewX},
1043    {"nSetTextSkewX","(JF)V", (void*) PaintGlue::setTextSkewX},
1044    {"nGetLetterSpacing","(J)F", (void*) PaintGlue::getLetterSpacing},
1045    {"nSetLetterSpacing","(JF)V", (void*) PaintGlue::setLetterSpacing},
1046    {"nGetHyphenEdit", "(J)I", (void*) PaintGlue::getHyphenEdit},
1047    {"nSetHyphenEdit", "(JI)V", (void*) PaintGlue::setHyphenEdit},
1048    {"nAscent","(JJ)F", (void*) PaintGlue::ascent},
1049    {"nDescent","(JJ)F", (void*) PaintGlue::descent},
1050    {"nSetShadowLayer", "(JFFFI)V", (void*)PaintGlue::setShadowLayer},
1051    {"nHasShadowLayer", "(J)Z", (void*)PaintGlue::hasShadowLayer}
1052};
1053
1054int register_android_graphics_Paint(JNIEnv* env) {
1055    gFontMetrics_class = FindClassOrDie(env, "android/graphics/Paint$FontMetrics");
1056    gFontMetrics_class = MakeGlobalRefOrDie(env, gFontMetrics_class);
1057
1058    gFontMetrics_fieldID.top = GetFieldIDOrDie(env, gFontMetrics_class, "top", "F");
1059    gFontMetrics_fieldID.ascent = GetFieldIDOrDie(env, gFontMetrics_class, "ascent", "F");
1060    gFontMetrics_fieldID.descent = GetFieldIDOrDie(env, gFontMetrics_class, "descent", "F");
1061    gFontMetrics_fieldID.bottom = GetFieldIDOrDie(env, gFontMetrics_class, "bottom", "F");
1062    gFontMetrics_fieldID.leading = GetFieldIDOrDie(env, gFontMetrics_class, "leading", "F");
1063
1064    gFontMetricsInt_class = FindClassOrDie(env, "android/graphics/Paint$FontMetricsInt");
1065    gFontMetricsInt_class = MakeGlobalRefOrDie(env, gFontMetricsInt_class);
1066
1067    gFontMetricsInt_fieldID.top = GetFieldIDOrDie(env, gFontMetricsInt_class, "top", "I");
1068    gFontMetricsInt_fieldID.ascent = GetFieldIDOrDie(env, gFontMetricsInt_class, "ascent", "I");
1069    gFontMetricsInt_fieldID.descent = GetFieldIDOrDie(env, gFontMetricsInt_class, "descent", "I");
1070    gFontMetricsInt_fieldID.bottom = GetFieldIDOrDie(env, gFontMetricsInt_class, "bottom", "I");
1071    gFontMetricsInt_fieldID.leading = GetFieldIDOrDie(env, gFontMetricsInt_class, "leading", "I");
1072
1073    return RegisterMethodsOrDie(env, "android/graphics/Paint", methods, NELEM(methods));
1074}
1075
1076}
1077