android_graphics_Canvas.cpp revision 1526a458a30184609f19b05e7334da3cbde81dd1
18872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger/* 28872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger * Copyright (C) 2014 The Android Open Source Project 38872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger * 48872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger * Licensed under the Apache License, Version 2.0 (the "License"); 58872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger * you may not use this file except in compliance with the License. 68872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger * You may obtain a copy of the License at 78872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger * 88872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger * http://www.apache.org/licenses/LICENSE-2.0 98872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger * 108872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger * Unless required by applicable law or agreed to in writing, software 118872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger * distributed under the License is distributed on an "AS IS" BASIS, 128872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 138872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger * See the License for the specific language governing permissions and 148872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger * limitations under the License. 158872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger */ 168872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 178872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger#include "jni.h" 188872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger#include "GraphicsJNI.h" 19ed6b9dff563c5e22f040ff37e12c0d771e0478aeAndreas Gampe#include "core_jni_helpers.h" 208872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 21849911a9c4315fc552faa38516c842b2541b1909John Reck#include <Canvas.h> 22acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger#include "SkDrawFilter.h" 238872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger#include "SkGraphics.h" 248872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger#include "SkPorterDuff.h" 256ba30b85ddfbe37c338ee8dde3dd33322eb38d47Behdad Esfahbod#include "Paint.h" 268872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger#include "TypefaceImpl.h" 278872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 288872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger#include "MinikinUtils.h" 298872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 308872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergernamespace android { 318872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 328872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergernamespace CanvasJNI { 338872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 348872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerstatic Canvas* get_canvas(jlong canvasHandle) { 358872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return reinterpret_cast<Canvas*>(canvasHandle); 368872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 378872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 388872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerstatic void finalizer(JNIEnv* env, jobject clazz, jlong canvasHandle) { 398872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger delete get_canvas(canvasHandle); 408872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 418872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 428872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// Native wrapper constructor used by Canvas(Bitmap) 438872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerstatic jlong initRaster(JNIEnv* env, jobject, jlong bitmapHandle) { 448872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapHandle); 458872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return reinterpret_cast<jlong>(Canvas::create_canvas(bitmap)); 468872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 478872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 488872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// Set the given bitmap as the new draw target (wrapped in a new SkCanvas), 498872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger// optionally copying canvas matrix & clip state. 508872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerstatic void setBitmap(JNIEnv* env, jobject, jlong canvasHandle, jlong bitmapHandle, 518872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger jboolean copyState) { 528872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapHandle); 538872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger get_canvas(canvasHandle)->setBitmap(bitmap, copyState); 548872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 558872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 568872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerstatic jboolean isOpaque(JNIEnv*, jobject, jlong canvasHandle) { 578872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return get_canvas(canvasHandle)->isOpaque() ? JNI_TRUE : JNI_FALSE; 588872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 598872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 608872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerstatic jint getWidth(JNIEnv*, jobject, jlong canvasHandle) { 618872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return static_cast<jint>(get_canvas(canvasHandle)->width()); 628872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 638872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 648872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerstatic jint getHeight(JNIEnv*, jobject, jlong canvasHandle) { 658872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return static_cast<jint>(get_canvas(canvasHandle)->height()); 668872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 678872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 688872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerstatic jint getSaveCount(JNIEnv*, jobject, jlong canvasHandle) { 698872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return static_cast<jint>(get_canvas(canvasHandle)->getSaveCount()); 708872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 718872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 728872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerstatic jint save(JNIEnv*, jobject, jlong canvasHandle, jint flagsHandle) { 738872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkCanvas::SaveFlags flags = static_cast<SkCanvas::SaveFlags>(flagsHandle); 748872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return static_cast<jint>(get_canvas(canvasHandle)->save(flags)); 758872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 768872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 778872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerstatic jint saveLayer(JNIEnv* env, jobject, jlong canvasHandle, jfloat l, jfloat t, 788872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger jfloat r, jfloat b, jlong paintHandle, jint flagsHandle) { 796ba30b85ddfbe37c338ee8dde3dd33322eb38d47Behdad Esfahbod Paint* paint = reinterpret_cast<Paint*>(paintHandle); 808872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkCanvas::SaveFlags flags = static_cast<SkCanvas::SaveFlags>(flagsHandle); 818872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return static_cast<jint>(get_canvas(canvasHandle)->saveLayer(l, t, r, b, paint, flags)); 828872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 838872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 848872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerstatic jint saveLayerAlpha(JNIEnv* env, jobject, jlong canvasHandle, jfloat l, jfloat t, 858872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger jfloat r, jfloat b, jint alpha, jint flagsHandle) { 868872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkCanvas::SaveFlags flags = static_cast<SkCanvas::SaveFlags>(flagsHandle); 878872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return static_cast<jint>(get_canvas(canvasHandle)->saveLayerAlpha(l, t, r, b, alpha, flags)); 888872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 898872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 908872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerstatic void restore(JNIEnv* env, jobject, jlong canvasHandle) { 918872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger Canvas* canvas = get_canvas(canvasHandle); 928872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (canvas->getSaveCount() <= 1) { // cannot restore anymore 938872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger doThrowISE(env, "Underflow in restore"); 948872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return; 958872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 968872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger canvas->restore(); 978872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 988872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 998872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerstatic void restoreToCount(JNIEnv* env, jobject, jlong canvasHandle, jint restoreCount) { 1008872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger Canvas* canvas = get_canvas(canvasHandle); 1018872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (restoreCount < 1 || restoreCount > canvas->getSaveCount()) { 1028872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger doThrowIAE(env, "Underflow in restoreToCount"); 1038872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return; 1048872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 1058872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger canvas->restoreToCount(restoreCount); 1068872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 1078872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1088872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerstatic void getCTM(JNIEnv* env, jobject, jlong canvasHandle, jlong matrixHandle) { 1098872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkMatrix* matrix = reinterpret_cast<SkMatrix*>(matrixHandle); 1108872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger get_canvas(canvasHandle)->getMatrix(matrix); 1118872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 1128872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1138872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerstatic void setMatrix(JNIEnv* env, jobject, jlong canvasHandle, jlong matrixHandle) { 1148872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const SkMatrix* matrix = reinterpret_cast<SkMatrix*>(matrixHandle); 1158872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger get_canvas(canvasHandle)->setMatrix(matrix ? *matrix : SkMatrix::I()); 1168872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 1178872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1188872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerstatic void concat(JNIEnv* env, jobject, jlong canvasHandle, jlong matrixHandle) { 1198872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const SkMatrix* matrix = reinterpret_cast<SkMatrix*>(matrixHandle); 1208872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger get_canvas(canvasHandle)->concat(*matrix); 1218872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 1228872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1238872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerstatic void rotate(JNIEnv*, jobject, jlong canvasHandle, jfloat degrees) { 1248872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger get_canvas(canvasHandle)->rotate(degrees); 1258872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 1268872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1278872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerstatic void scale(JNIEnv*, jobject, jlong canvasHandle, jfloat sx, jfloat sy) { 1288872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger get_canvas(canvasHandle)->scale(sx, sy); 1298872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 1308872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1318872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerstatic void skew(JNIEnv*, jobject, jlong canvasHandle, jfloat sx, jfloat sy) { 1328872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger get_canvas(canvasHandle)->skew(sx, sy); 1338872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 1348872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1358872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerstatic void translate(JNIEnv*, jobject, jlong canvasHandle, jfloat dx, jfloat dy) { 1368872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger get_canvas(canvasHandle)->translate(dx, dy); 1378872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 1388872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1398872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerstatic jboolean getClipBounds(JNIEnv* env, jobject, jlong canvasHandle, jobject bounds) { 1408872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkRect r; 1418872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkIRect ir; 1428872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger bool result = get_canvas(canvasHandle)->getClipBounds(&r); 1438872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1448872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (!result) { 1458872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger r.setEmpty(); 1468872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 1478872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger r.round(&ir); 1488872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1498872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger (void)GraphicsJNI::irect_to_jrect(ir, env, bounds); 1508872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return result ? JNI_TRUE : JNI_FALSE; 1518872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 1528872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1538872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerstatic jboolean quickRejectRect(JNIEnv* env, jobject, jlong canvasHandle, 1548872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger jfloat left, jfloat top, jfloat right, jfloat bottom) { 1558872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger bool result = get_canvas(canvasHandle)->quickRejectRect(left, top, right, bottom); 1568872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return result ? JNI_TRUE : JNI_FALSE; 1578872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 1588872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1598872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerstatic jboolean quickRejectPath(JNIEnv* env, jobject, jlong canvasHandle, jlong pathHandle) { 1608872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkPath* path = reinterpret_cast<SkPath*>(pathHandle); 1618872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger bool result = get_canvas(canvasHandle)->quickRejectPath(*path); 1628872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return result ? JNI_TRUE : JNI_FALSE; 1638872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 1648872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1658872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerstatic jboolean clipRect(JNIEnv*, jobject, jlong canvasHandle, jfloat l, jfloat t, 1668872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger jfloat r, jfloat b, jint opHandle) { 1678872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkRegion::Op op = static_cast<SkRegion::Op>(opHandle); 1688872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger bool emptyClip = get_canvas(canvasHandle)->clipRect(l, t, r, b, op); 1698872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return emptyClip ? JNI_FALSE : JNI_TRUE; 1708872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 1718872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1728872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerstatic jboolean clipPath(JNIEnv* env, jobject, jlong canvasHandle, jlong pathHandle, 1738872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger jint opHandle) { 1748872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkPath* path = reinterpret_cast<SkPath*>(pathHandle); 1758872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkRegion::Op op = static_cast<SkRegion::Op>(opHandle); 1768872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger bool emptyClip = get_canvas(canvasHandle)->clipPath(path, op); 1778872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return emptyClip ? JNI_FALSE : JNI_TRUE; 1788872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 1798872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1808872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerstatic jboolean clipRegion(JNIEnv* env, jobject, jlong canvasHandle, jlong deviceRgnHandle, 1818872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger jint opHandle) { 1828872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkRegion* deviceRgn = reinterpret_cast<SkRegion*>(deviceRgnHandle); 1838872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkRegion::Op op = static_cast<SkRegion::Op>(opHandle); 1848872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger bool emptyClip = get_canvas(canvasHandle)->clipRegion(deviceRgn, op); 1858872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return emptyClip ? JNI_FALSE : JNI_TRUE; 1868872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 1878872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1888872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerstatic void drawColor(JNIEnv* env, jobject, jlong canvasHandle, jint color, jint modeHandle) { 1891526a458a30184609f19b05e7334da3cbde81dd1Chris Craik SkXfermode::Mode mode = static_cast<SkXfermode::Mode>(modeHandle); 1901526a458a30184609f19b05e7334da3cbde81dd1Chris Craik get_canvas(canvasHandle)->drawColor(color, mode); 1918872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 1928872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1938872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerstatic void drawPaint(JNIEnv* env, jobject, jlong canvasHandle, jlong paintHandle) { 1946ba30b85ddfbe37c338ee8dde3dd33322eb38d47Behdad Esfahbod Paint* paint = reinterpret_cast<Paint*>(paintHandle); 1958872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger get_canvas(canvasHandle)->drawPaint(*paint); 1968872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 1978872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 1988872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerstatic void drawPoint(JNIEnv*, jobject, jlong canvasHandle, jfloat x, jfloat y, 1998872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger jlong paintHandle) { 2006ba30b85ddfbe37c338ee8dde3dd33322eb38d47Behdad Esfahbod const Paint* paint = reinterpret_cast<Paint*>(paintHandle); 2018872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger get_canvas(canvasHandle)->drawPoint(x, y, *paint); 2028872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 2038872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2048872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerstatic void drawPoints(JNIEnv* env, jobject, jlong canvasHandle, jfloatArray jptsArray, 2058872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger jint offset, jint count, jlong paintHandle) { 2068872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger NPE_CHECK_RETURN_VOID(env, jptsArray); 2078872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger AutoJavaFloatArray autoPts(env, jptsArray); 2088872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger float* floats = autoPts.ptr(); 2098872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const int length = autoPts.length(); 2108872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2118872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if ((offset | count) < 0 || offset + count > length) { 2128872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger doThrowAIOOBE(env); 2138872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return; 2148872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 2158872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2166ba30b85ddfbe37c338ee8dde3dd33322eb38d47Behdad Esfahbod const Paint* paint = reinterpret_cast<Paint*>(paintHandle); 2178872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger get_canvas(canvasHandle)->drawPoints(floats + offset, count, *paint); 2188872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 2198872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2208872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerstatic void drawLine(JNIEnv* env, jobject, jlong canvasHandle, jfloat startX, jfloat startY, 2218872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger jfloat stopX, jfloat stopY, jlong paintHandle) { 2226ba30b85ddfbe37c338ee8dde3dd33322eb38d47Behdad Esfahbod Paint* paint = reinterpret_cast<Paint*>(paintHandle); 2238872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger get_canvas(canvasHandle)->drawLine(startX, startY, stopX, stopY, *paint); 2248872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 2258872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2268872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerstatic void drawLines(JNIEnv* env, jobject, jlong canvasHandle, jfloatArray jptsArray, 2278872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger jint offset, jint count, jlong paintHandle) { 2288872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger NPE_CHECK_RETURN_VOID(env, jptsArray); 2298872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger AutoJavaFloatArray autoPts(env, jptsArray); 2308872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger float* floats = autoPts.ptr(); 2318872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const int length = autoPts.length(); 2328872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2338872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if ((offset | count) < 0 || offset + count > length) { 2348872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger doThrowAIOOBE(env); 2358872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return; 2368872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 2378872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2386ba30b85ddfbe37c338ee8dde3dd33322eb38d47Behdad Esfahbod const Paint* paint = reinterpret_cast<Paint*>(paintHandle); 2398872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger get_canvas(canvasHandle)->drawLines(floats + offset, count, *paint); 2408872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 2418872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2428872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerstatic void drawRect(JNIEnv* env, jobject, jlong canvasHandle, jfloat left, jfloat top, 2438872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger jfloat right, jfloat bottom, jlong paintHandle) { 2446ba30b85ddfbe37c338ee8dde3dd33322eb38d47Behdad Esfahbod const Paint* paint = reinterpret_cast<Paint*>(paintHandle); 2458872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger get_canvas(canvasHandle)->drawRect(left, top, right, bottom, *paint); 2468872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 2478872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2488872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerstatic void drawRoundRect(JNIEnv* env, jobject, jlong canvasHandle, jfloat left, jfloat top, 2498872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger jfloat right, jfloat bottom, jfloat rx, jfloat ry, jlong paintHandle) { 2506ba30b85ddfbe37c338ee8dde3dd33322eb38d47Behdad Esfahbod const Paint* paint = reinterpret_cast<Paint*>(paintHandle); 2518872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger get_canvas(canvasHandle)->drawRoundRect(left, top, right, bottom, rx, ry, *paint); 2528872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 2538872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2548872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerstatic void drawCircle(JNIEnv* env, jobject, jlong canvasHandle, jfloat cx, jfloat cy, 2558872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger jfloat radius, jlong paintHandle) { 2566ba30b85ddfbe37c338ee8dde3dd33322eb38d47Behdad Esfahbod const Paint* paint = reinterpret_cast<Paint*>(paintHandle); 2578872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger get_canvas(canvasHandle)->drawCircle(cx, cy, radius, *paint); 2588872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 2598872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2608872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerstatic void drawOval(JNIEnv* env, jobject, jlong canvasHandle, jfloat left, jfloat top, 2618872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger jfloat right, jfloat bottom, jlong paintHandle) { 2626ba30b85ddfbe37c338ee8dde3dd33322eb38d47Behdad Esfahbod const Paint* paint = reinterpret_cast<Paint*>(paintHandle); 2638872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger get_canvas(canvasHandle)->drawOval(left, top, right, bottom, *paint); 2648872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 2658872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2668872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerstatic void drawArc(JNIEnv* env, jobject, jlong canvasHandle, jfloat left, jfloat top, 2678872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger jfloat right, jfloat bottom, jfloat startAngle, jfloat sweepAngle, 2688872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger jboolean useCenter, jlong paintHandle) { 2696ba30b85ddfbe37c338ee8dde3dd33322eb38d47Behdad Esfahbod const Paint* paint = reinterpret_cast<Paint*>(paintHandle); 2708872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger get_canvas(canvasHandle)->drawArc(left, top, right, bottom, startAngle, sweepAngle, 2718872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger useCenter, *paint); 2728872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 2738872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2748872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerstatic void drawPath(JNIEnv* env, jobject, jlong canvasHandle, jlong pathHandle, 2758872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger jlong paintHandle) { 2768872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const SkPath* path = reinterpret_cast<SkPath*>(pathHandle); 2776ba30b85ddfbe37c338ee8dde3dd33322eb38d47Behdad Esfahbod const Paint* paint = reinterpret_cast<Paint*>(paintHandle); 2788872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger get_canvas(canvasHandle)->drawPath(*path, *paint); 2798872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 2808872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2818872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerstatic void drawVertices(JNIEnv* env, jobject, jlong canvasHandle, 2828872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger jint modeHandle, jint vertexCount, 2838872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger jfloatArray jverts, jint vertIndex, 2848872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger jfloatArray jtexs, jint texIndex, 2858872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger jintArray jcolors, jint colorIndex, 2868872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger jshortArray jindices, jint indexIndex, 2878872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger jint indexCount, jlong paintHandle) { 2888872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger AutoJavaFloatArray vertA(env, jverts, vertIndex + vertexCount); 2898872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger AutoJavaFloatArray texA(env, jtexs, texIndex + vertexCount); 2908872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger AutoJavaIntArray colorA(env, jcolors, colorIndex + vertexCount); 2918872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger AutoJavaShortArray indexA(env, jindices, indexIndex + indexCount); 2928872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2938872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const float* verts = vertA.ptr() + vertIndex; 2948872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const float* texs = texA.ptr() + vertIndex; 2958872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const int* colors = NULL; 2968872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const uint16_t* indices = NULL; 2978872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 2988872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (jcolors != NULL) { 2998872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger colors = colorA.ptr() + colorIndex; 3008872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 3018872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (jindices != NULL) { 3028872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger indices = (const uint16_t*)(indexA.ptr() + indexIndex); 3038872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 3048872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3058872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkCanvas::VertexMode mode = static_cast<SkCanvas::VertexMode>(modeHandle); 3066ba30b85ddfbe37c338ee8dde3dd33322eb38d47Behdad Esfahbod const Paint* paint = reinterpret_cast<Paint*>(paintHandle); 3078872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger get_canvas(canvasHandle)->drawVertices(mode, vertexCount, verts, texs, colors, 3088872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger indices, indexCount, *paint); 3098872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3108872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3118872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerstatic void drawBitmap(JNIEnv* env, jobject jcanvas, jlong canvasHandle, jlong bitmapHandle, 3128872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger jfloat left, jfloat top, jlong paintHandle, jint canvasDensity, 3138872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger jint screenDensity, jint bitmapDensity) { 3148872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger Canvas* canvas = get_canvas(canvasHandle); 3158872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapHandle); 3166ba30b85ddfbe37c338ee8dde3dd33322eb38d47Behdad Esfahbod const Paint* paint = reinterpret_cast<Paint*>(paintHandle); 3178872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3188872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (canvasDensity == bitmapDensity || canvasDensity == 0 || bitmapDensity == 0) { 3198872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (screenDensity != 0 && screenDensity != bitmapDensity) { 3206ba30b85ddfbe37c338ee8dde3dd33322eb38d47Behdad Esfahbod Paint filteredPaint; 3218872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (paint) { 3228872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger filteredPaint = *paint; 3238872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 3246ba30b85ddfbe37c338ee8dde3dd33322eb38d47Behdad Esfahbod filteredPaint.setFilterLevel(Paint::kLow_FilterLevel); 3258872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger canvas->drawBitmap(*bitmap, left, top, &filteredPaint); 3268872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } else { 3278872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger canvas->drawBitmap(*bitmap, left, top, paint); 3288872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 3298872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } else { 3308872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger canvas->save(SkCanvas::kMatrixClip_SaveFlag); 3318872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkScalar scale = canvasDensity / (float)bitmapDensity; 3328872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger canvas->translate(left, top); 3338872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger canvas->scale(scale, scale); 3348872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3356ba30b85ddfbe37c338ee8dde3dd33322eb38d47Behdad Esfahbod Paint filteredPaint; 3368872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (paint) { 3378872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger filteredPaint = *paint; 3388872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 3396ba30b85ddfbe37c338ee8dde3dd33322eb38d47Behdad Esfahbod filteredPaint.setFilterLevel(Paint::kLow_FilterLevel); 3408872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3418872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger canvas->drawBitmap(*bitmap, 0, 0, &filteredPaint); 3428872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger canvas->restore(); 3438872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 3448872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3458872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3468872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerstatic void drawBitmapMatrix(JNIEnv* env, jobject, jlong canvasHandle, jlong bitmapHandle, 3478872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger jlong matrixHandle, jlong paintHandle) { 3488872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapHandle); 3498872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const SkMatrix* matrix = reinterpret_cast<SkMatrix*>(matrixHandle); 3506ba30b85ddfbe37c338ee8dde3dd33322eb38d47Behdad Esfahbod const Paint* paint = reinterpret_cast<Paint*>(paintHandle); 3518872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger get_canvas(canvasHandle)->drawBitmap(*bitmap, *matrix, paint); 3528872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3538872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3548872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerstatic void drawBitmapRect(JNIEnv* env, jobject, jlong canvasHandle, jlong bitmapHandle, 3558872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger float srcLeft, float srcTop, float srcRight, float srcBottom, 3568872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger float dstLeft, float dstTop, float dstRight, float dstBottom, 3578872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger jlong paintHandle, jint screenDensity, jint bitmapDensity) { 3588872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger Canvas* canvas = get_canvas(canvasHandle); 3598872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapHandle); 3606ba30b85ddfbe37c338ee8dde3dd33322eb38d47Behdad Esfahbod const Paint* paint = reinterpret_cast<Paint*>(paintHandle); 3618872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3628872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (screenDensity != 0 && screenDensity != bitmapDensity) { 3636ba30b85ddfbe37c338ee8dde3dd33322eb38d47Behdad Esfahbod Paint filteredPaint; 3648872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (paint) { 3658872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger filteredPaint = *paint; 3668872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 3676ba30b85ddfbe37c338ee8dde3dd33322eb38d47Behdad Esfahbod filteredPaint.setFilterLevel(Paint::kLow_FilterLevel); 3688872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger canvas->drawBitmap(*bitmap, srcLeft, srcTop, srcRight, srcBottom, 3698872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger dstLeft, dstTop, dstRight, dstBottom, &filteredPaint); 3708872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } else { 3718872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger canvas->drawBitmap(*bitmap, srcLeft, srcTop, srcRight, srcBottom, 3728872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger dstLeft, dstTop, dstRight, dstBottom, paint); 3738872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 3748872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3758872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3768872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerstatic void drawBitmapArray(JNIEnv* env, jobject, jlong canvasHandle, 3778872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger jintArray jcolors, jint offset, jint stride, 3788872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger jfloat x, jfloat y, jint width, jint height, 3798872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger jboolean hasAlpha, jlong paintHandle) { 3808872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // Note: If hasAlpha is false, kRGB_565_SkColorType will be used, which will 3818872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // correct the alphaType to kOpaque_SkAlphaType. 3828872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkImageInfo info = SkImageInfo::Make(width, height, 3838872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger hasAlpha ? kN32_SkColorType : kRGB_565_SkColorType, 3848872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger kPremul_SkAlphaType); 3858872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkBitmap bitmap; 3863d4eed7f1aa99401dabe2e45b82f98fb4fc2d754Derek Sollenberger bitmap.setInfo(info); 3873d4eed7f1aa99401dabe2e45b82f98fb4fc2d754Derek Sollenberger if (!GraphicsJNI::allocatePixels(env, &bitmap, NULL)) { 3888872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return; 3898872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 3908872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3918872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger if (!GraphicsJNI::SetPixels(env, jcolors, offset, stride, 0, 0, width, height, bitmap)) { 3928872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger return; 3938872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 3948872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3956ba30b85ddfbe37c338ee8dde3dd33322eb38d47Behdad Esfahbod const Paint* paint = reinterpret_cast<Paint*>(paintHandle); 3968872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger get_canvas(canvasHandle)->drawBitmap(bitmap, x, y, paint); 3978872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 3988872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 3998872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerstatic void drawBitmapMesh(JNIEnv* env, jobject, jlong canvasHandle, jlong bitmapHandle, 4008872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger jint meshWidth, jint meshHeight, jfloatArray jverts, 4018872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger jint vertIndex, jintArray jcolors, jint colorIndex, jlong paintHandle) { 4028872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const int ptCount = (meshWidth + 1) * (meshHeight + 1); 4038872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger AutoJavaFloatArray vertA(env, jverts, vertIndex + (ptCount << 1)); 4048872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger AutoJavaIntArray colorA(env, jcolors, colorIndex + ptCount); 4058872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 4068872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const SkBitmap* bitmap = reinterpret_cast<SkBitmap*>(bitmapHandle); 4076ba30b85ddfbe37c338ee8dde3dd33322eb38d47Behdad Esfahbod const Paint* paint = reinterpret_cast<Paint*>(paintHandle); 4088872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger get_canvas(canvasHandle)->drawBitmapMesh(*bitmap, meshWidth, meshHeight, 4098872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger vertA.ptr(), colorA.ptr(), paint); 4108872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 4118872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 412acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenbergerclass DrawTextFunctor { 413acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenbergerpublic: 414acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger DrawTextFunctor(const Layout& layout, Canvas* canvas, uint16_t* glyphs, float* pos, 4158dfaa4904205772cdceee63ef3989bcdedf1a914Tom Hudson const SkPaint& paint, float x, float y, MinikinRect& bounds, 4168dfaa4904205772cdceee63ef3989bcdedf1a914Tom Hudson float totalAdvance) 417acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger : layout(layout), canvas(canvas), glyphs(glyphs), pos(pos), paint(paint), 4188dfaa4904205772cdceee63ef3989bcdedf1a914Tom Hudson x(x), y(y), bounds(bounds), totalAdvance(totalAdvance) { } 419acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger 420acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger void operator()(size_t start, size_t end) { 421acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger if (canvas->drawTextAbsolutePos()) { 422acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger for (size_t i = start; i < end; i++) { 423acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger glyphs[i] = layout.getGlyphId(i); 424acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger pos[2 * i] = x + layout.getX(i); 425acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger pos[2 * i + 1] = y + layout.getY(i); 426acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger } 427acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger } else { 428acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger for (size_t i = start; i < end; i++) { 429acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger glyphs[i] = layout.getGlyphId(i); 430acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger pos[2 * i] = layout.getX(i); 431acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger pos[2 * i + 1] = layout.getY(i); 432acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger } 433acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger } 434acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger 435acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger size_t glyphCount = end - start; 436acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger canvas->drawText(glyphs + start, pos + (2 * start), glyphCount, paint, x, y, 4378dfaa4904205772cdceee63ef3989bcdedf1a914Tom Hudson bounds.mLeft, bounds.mTop, bounds.mRight, bounds.mBottom, 4388dfaa4904205772cdceee63ef3989bcdedf1a914Tom Hudson totalAdvance); 439acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger } 440acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenbergerprivate: 441acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger const Layout& layout; 442acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger Canvas* canvas; 443acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger uint16_t* glyphs; 444acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger float* pos; 445acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger const SkPaint& paint; 446acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger float x; 447acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger float y; 448acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger MinikinRect& bounds; 4498dfaa4904205772cdceee63ef3989bcdedf1a914Tom Hudson float totalAdvance; 450acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger}; 451acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger 452acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger// Same values used by Skia 453acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger#define kStdStrikeThru_Offset (-6.0f / 21.0f) 454acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger#define kStdUnderline_Offset (1.0f / 9.0f) 455acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger#define kStdUnderline_Thickness (1.0f / 18.0f) 456acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger 457acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenbergervoid drawTextDecorations(Canvas* canvas, float x, float y, float length, const SkPaint& paint) { 458acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger uint32_t flags; 459acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger SkDrawFilter* drawFilter = canvas->getDrawFilter(); 460acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger if (drawFilter) { 461acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger SkPaint paintCopy(paint); 462acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger drawFilter->filter(&paintCopy, SkDrawFilter::kText_Type); 463acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger flags = paintCopy.getFlags(); 464acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger } else { 465acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger flags = paint.getFlags(); 466acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger } 467acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger if (flags & (SkPaint::kUnderlineText_Flag | SkPaint::kStrikeThruText_Flag)) { 468acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger SkScalar left = x; 469acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger SkScalar right = x + length; 470acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger float textSize = paint.getTextSize(); 471acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger float strokeWidth = fmax(textSize * kStdUnderline_Thickness, 1.0f); 472acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger if (flags & SkPaint::kUnderlineText_Flag) { 473acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger SkScalar top = y + textSize * kStdUnderline_Offset - 0.5f * strokeWidth; 474acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger SkScalar bottom = y + textSize * kStdUnderline_Offset + 0.5f * strokeWidth; 475acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger canvas->drawRect(left, top, right, bottom, paint); 476acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger } 477acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger if (flags & SkPaint::kStrikeThruText_Flag) { 478acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger SkScalar top = y + textSize * kStdStrikeThru_Offset - 0.5f * strokeWidth; 479acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger SkScalar bottom = y + textSize * kStdStrikeThru_Offset + 0.5f * strokeWidth; 480acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger canvas->drawRect(left, top, right, bottom, paint); 481acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger } 482acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger } 483acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger} 484acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger 485acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenbergervoid drawText(Canvas* canvas, const uint16_t* text, int start, int count, int contextCount, 486acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger float x, float y, int bidiFlags, const Paint& origPaint, TypefaceImpl* typeface) { 487acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger // minikin may modify the original paint 488acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger Paint paint(origPaint); 489acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger 490acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger Layout layout; 49163c5c78a72a21d57913e8601cc2a1ab72a424a02Behdad Esfahbod MinikinUtils::doLayout(&layout, &paint, bidiFlags, typeface, text, start, count, contextCount); 492acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger 493acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger size_t nGlyphs = layout.nGlyphs(); 494acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger uint16_t* glyphs = new uint16_t[nGlyphs]; 495acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger float* pos = new float[nGlyphs * 2]; 496acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger 497acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger x += MinikinUtils::xOffsetForTextAlign(&paint, layout); 498acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger 499acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger MinikinRect bounds; 500acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger layout.getBounds(&bounds); 5018dfaa4904205772cdceee63ef3989bcdedf1a914Tom Hudson if (!canvas->drawTextAbsolutePos()) { 5028dfaa4904205772cdceee63ef3989bcdedf1a914Tom Hudson bounds.offset(x, y); 5038dfaa4904205772cdceee63ef3989bcdedf1a914Tom Hudson } 504acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger 5058dfaa4904205772cdceee63ef3989bcdedf1a914Tom Hudson DrawTextFunctor f(layout, canvas, glyphs, pos, paint, x, y, bounds, layout.getAdvance()); 506acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger MinikinUtils::forFontRun(layout, &paint, f); 507acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger 508acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger drawTextDecorations(canvas, x, y, layout.getAdvance(), paint); 509acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger 510acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger delete[] glyphs; 511acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger delete[] pos; 512acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger} 513acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger 5148872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerstatic void drawTextChars(JNIEnv* env, jobject, jlong canvasHandle, jcharArray text, 5158872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger jint index, jint count, jfloat x, jfloat y, jint bidiFlags, 5168872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger jlong paintHandle, jlong typefaceHandle) { 5176ba30b85ddfbe37c338ee8dde3dd33322eb38d47Behdad Esfahbod Paint* paint = reinterpret_cast<Paint*>(paintHandle); 5188872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger TypefaceImpl* typeface = reinterpret_cast<TypefaceImpl*>(typefaceHandle); 5198872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger jchar* jchars = env->GetCharArrayElements(text, NULL); 520acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger drawText(get_canvas(canvasHandle), jchars + index, 0, count, count, x, y, 5218872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger bidiFlags, *paint, typeface); 5228872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger env->ReleaseCharArrayElements(text, jchars, JNI_ABORT); 5238872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 5248872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 5258872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerstatic void drawTextString(JNIEnv* env, jobject, jlong canvasHandle, jstring text, 5268872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger jint start, jint end, jfloat x, jfloat y, jint bidiFlags, 5278872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger jlong paintHandle, jlong typefaceHandle) { 5286ba30b85ddfbe37c338ee8dde3dd33322eb38d47Behdad Esfahbod Paint* paint = reinterpret_cast<Paint*>(paintHandle); 5298872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger TypefaceImpl* typeface = reinterpret_cast<TypefaceImpl*>(typefaceHandle); 5308872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const int count = end - start; 5318872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const jchar* jchars = env->GetStringChars(text, NULL); 532acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger drawText(get_canvas(canvasHandle), jchars + start, 0, count, count, x, y, 5338872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger bidiFlags, *paint, typeface); 5348872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger env->ReleaseStringChars(text, jchars); 5358872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 5368872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 5378872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerstatic void drawTextRunChars(JNIEnv* env, jobject, jlong canvasHandle, jcharArray text, jint index, 5388872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger jint count, jint contextIndex, jint contextCount, jfloat x, jfloat y, 5398872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger jboolean isRtl, jlong paintHandle, jlong typefaceHandle) { 5406ba30b85ddfbe37c338ee8dde3dd33322eb38d47Behdad Esfahbod Paint* paint = reinterpret_cast<Paint*>(paintHandle); 5418872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger TypefaceImpl* typeface = reinterpret_cast<TypefaceImpl*>(typefaceHandle); 5428872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 5438872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const int bidiFlags = isRtl ? kBidi_Force_RTL : kBidi_Force_LTR; 5448872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger jchar* jchars = env->GetCharArrayElements(text, NULL); 545acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger drawText(get_canvas(canvasHandle), jchars + contextIndex, index - contextIndex, count, 5468872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger contextCount, x, y, bidiFlags, *paint, typeface); 5478872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger env->ReleaseCharArrayElements(text, jchars, JNI_ABORT); 5488872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 5498872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 5508872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerstatic void drawTextRunString(JNIEnv* env, jobject obj, jlong canvasHandle, jstring text, 5518872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger jint start, jint end, jint contextStart, jint contextEnd, 5528872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger jfloat x, jfloat y, jboolean isRtl, jlong paintHandle, 5538872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger jlong typefaceHandle) { 5546ba30b85ddfbe37c338ee8dde3dd33322eb38d47Behdad Esfahbod Paint* paint = reinterpret_cast<Paint*>(paintHandle); 5558872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger TypefaceImpl* typeface = reinterpret_cast<TypefaceImpl*>(typefaceHandle); 5568872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 5578872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger int bidiFlags = isRtl ? kBidi_Force_RTL : kBidi_Force_LTR; 5588872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger jint count = end - start; 5598872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger jint contextCount = contextEnd - contextStart; 5608872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const jchar* jchars = env->GetStringChars(text, NULL); 561acb4099deff72c2c631f7110a405a3331d3e8b27Derek Sollenberger drawText(get_canvas(canvasHandle), jchars + contextStart, start - contextStart, count, 5628872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger contextCount, x, y, bidiFlags, *paint, typeface); 5638872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger env->ReleaseStringChars(text, jchars); 5648872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 5658872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 5668872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerclass DrawTextOnPathFunctor { 5678872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerpublic: 5688872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger DrawTextOnPathFunctor(const Layout& layout, Canvas* canvas, float hOffset, 5696ba30b85ddfbe37c338ee8dde3dd33322eb38d47Behdad Esfahbod float vOffset, const Paint& paint, const SkPath& path) 5708872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger : layout(layout), canvas(canvas), hOffset(hOffset), vOffset(vOffset), 5718872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger paint(paint), path(path) { 5728872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 5738872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger void operator()(size_t start, size_t end) { 5748872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger uint16_t glyphs[1]; 5758872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger for (size_t i = start; i < end; i++) { 5768872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger glyphs[0] = layout.getGlyphId(i); 5778872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger float x = hOffset + layout.getX(i); 5788872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger float y = vOffset + layout.getY(i); 5798872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger canvas->drawTextOnPath(glyphs, 1, path, x, y, paint); 5808872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 5818872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger } 5828872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerprivate: 5838872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const Layout& layout; 5848872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger Canvas* canvas; 5858872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger float hOffset; 5868872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger float vOffset; 5876ba30b85ddfbe37c338ee8dde3dd33322eb38d47Behdad Esfahbod const Paint& paint; 5888872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const SkPath& path; 5898872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger}; 5908872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 5918872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerstatic void drawTextOnPath(Canvas* canvas, const uint16_t* text, int count, int bidiFlags, 5928872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const SkPath& path, float hOffset, float vOffset, 5936ba30b85ddfbe37c338ee8dde3dd33322eb38d47Behdad Esfahbod const Paint& paint, TypefaceImpl* typeface) { 5946ba30b85ddfbe37c338ee8dde3dd33322eb38d47Behdad Esfahbod Paint paintCopy(paint); 5958872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger Layout layout; 59663c5c78a72a21d57913e8601cc2a1ab72a424a02Behdad Esfahbod MinikinUtils::doLayout(&layout, &paintCopy, bidiFlags, typeface, text, 0, count, count); 5978872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger hOffset += MinikinUtils::hOffsetForTextAlign(&paintCopy, layout, path); 5988872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 5998872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // Set align to left for drawing, as we don't want individual 6008872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // glyphs centered or right-aligned; the offset above takes 6018872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger // care of all alignment. 6026ba30b85ddfbe37c338ee8dde3dd33322eb38d47Behdad Esfahbod paintCopy.setTextAlign(Paint::kLeft_Align); 6038872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 6048872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger DrawTextOnPathFunctor f(layout, canvas, hOffset, vOffset, paintCopy, path); 6058872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger MinikinUtils::forFontRun(layout, &paintCopy, f); 6068872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 6078872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 6088872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerstatic void drawTextOnPathChars(JNIEnv* env, jobject, jlong canvasHandle, jcharArray text, 6098872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger jint index, jint count, jlong pathHandle, jfloat hOffset, 6108872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger jfloat vOffset, jint bidiFlags, jlong paintHandle, 6118872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger jlong typefaceHandle) { 6128872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkPath* path = reinterpret_cast<SkPath*>(pathHandle); 6136ba30b85ddfbe37c338ee8dde3dd33322eb38d47Behdad Esfahbod Paint* paint = reinterpret_cast<Paint*>(paintHandle); 6148872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger TypefaceImpl* typeface = reinterpret_cast<TypefaceImpl*>(typefaceHandle); 6158872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 6168872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger jchar* jchars = env->GetCharArrayElements(text, NULL); 6178872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 6188872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger drawTextOnPath(get_canvas(canvasHandle), jchars + index, count, bidiFlags, *path, 6198872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger hOffset, vOffset, *paint, typeface); 6208872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 6218872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger env->ReleaseCharArrayElements(text, jchars, 0); 6228872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 6238872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 6248872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerstatic void drawTextOnPathString(JNIEnv* env, jobject, jlong canvasHandle, jstring text, 6258872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger jlong pathHandle, jfloat hOffset, jfloat vOffset, 6268872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger jint bidiFlags, jlong paintHandle, jlong typefaceHandle) { 6278872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkPath* path = reinterpret_cast<SkPath*>(pathHandle); 6286ba30b85ddfbe37c338ee8dde3dd33322eb38d47Behdad Esfahbod Paint* paint = reinterpret_cast<Paint*>(paintHandle); 6298872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger TypefaceImpl* typeface = reinterpret_cast<TypefaceImpl*>(typefaceHandle); 6308872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 6318872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger const jchar* jchars = env->GetStringChars(text, NULL); 6328872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger int count = env->GetStringLength(text); 6338872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 6348872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger drawTextOnPath(get_canvas(canvasHandle), jchars, count, bidiFlags, *path, 6358872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger hOffset, vOffset, *paint, typeface); 6368872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 6378872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger env->ReleaseStringChars(text, jchars); 6388872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 6398872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 6408872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerstatic void setDrawFilter(JNIEnv* env, jobject, jlong canvasHandle, jlong filterHandle) { 6418872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger get_canvas(canvasHandle)->setDrawFilter(reinterpret_cast<SkDrawFilter*>(filterHandle)); 6428872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 6438872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 6448872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerstatic void freeCaches(JNIEnv* env, jobject) { 6458872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger SkGraphics::PurgeFontCache(); 6468872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 6478872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 6488872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerstatic void freeTextLayoutCaches(JNIEnv* env, jobject) { 6498872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger Layout::purgeCaches(); 6508872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 6518872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 6528872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger}; // namespace CanvasJNI 6538872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 6548872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerstatic JNINativeMethod gMethods[] = { 6558872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger {"finalizer", "(J)V", (void*) CanvasJNI::finalizer}, 6568872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger {"initRaster", "(J)J", (void*) CanvasJNI::initRaster}, 6578872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger {"native_setBitmap", "(JJZ)V", (void*) CanvasJNI::setBitmap}, 6588872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger {"native_isOpaque","(J)Z", (void*) CanvasJNI::isOpaque}, 6598872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger {"native_getWidth","(J)I", (void*) CanvasJNI::getWidth}, 6608872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger {"native_getHeight","(J)I", (void*) CanvasJNI::getHeight}, 6618872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger {"native_save","(JI)I", (void*) CanvasJNI::save}, 6628872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger {"native_saveLayer","(JFFFFJI)I", (void*) CanvasJNI::saveLayer}, 6638872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger {"native_saveLayerAlpha","(JFFFFII)I", (void*) CanvasJNI::saveLayerAlpha}, 6648872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger {"native_getSaveCount","(J)I", (void*) CanvasJNI::getSaveCount}, 6658872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger {"native_restore","(J)V", (void*) CanvasJNI::restore}, 6668872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger {"native_restoreToCount","(JI)V", (void*) CanvasJNI::restoreToCount}, 6678872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger {"native_getCTM", "(JJ)V", (void*)CanvasJNI::getCTM}, 6688872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger {"native_setMatrix","(JJ)V", (void*) CanvasJNI::setMatrix}, 6698872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger {"native_concat","(JJ)V", (void*) CanvasJNI::concat}, 6708872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger {"native_rotate","(JF)V", (void*) CanvasJNI::rotate}, 6718872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger {"native_scale","(JFF)V", (void*) CanvasJNI::scale}, 6728872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger {"native_skew","(JFF)V", (void*) CanvasJNI::skew}, 6738872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger {"native_translate","(JFF)V", (void*) CanvasJNI::translate}, 6748872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger {"native_getClipBounds","(JLandroid/graphics/Rect;)Z", (void*) CanvasJNI::getClipBounds}, 6758872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger {"native_quickReject","(JJ)Z", (void*) CanvasJNI::quickRejectPath}, 6768872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger {"native_quickReject","(JFFFF)Z", (void*)CanvasJNI::quickRejectRect}, 6778872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger {"native_clipRect","(JFFFFI)Z", (void*) CanvasJNI::clipRect}, 6788872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger {"native_clipPath","(JJI)Z", (void*) CanvasJNI::clipPath}, 6798872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger {"native_clipRegion","(JJI)Z", (void*) CanvasJNI::clipRegion}, 6808872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger {"native_drawColor","(JII)V", (void*) CanvasJNI::drawColor}, 6818872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger {"native_drawPaint","(JJ)V", (void*) CanvasJNI::drawPaint}, 6828872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger {"native_drawPoint", "(JFFJ)V", (void*) CanvasJNI::drawPoint}, 6838872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger {"native_drawPoints", "(J[FIIJ)V", (void*) CanvasJNI::drawPoints}, 6848872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger {"native_drawLine", "(JFFFFJ)V", (void*) CanvasJNI::drawLine}, 6858872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger {"native_drawLines", "(J[FIIJ)V", (void*) CanvasJNI::drawLines}, 6868872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger {"native_drawRect","(JFFFFJ)V", (void*) CanvasJNI::drawRect}, 6878872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger {"native_drawRoundRect","(JFFFFFFJ)V", (void*) CanvasJNI::drawRoundRect}, 6888872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger {"native_drawCircle","(JFFFJ)V", (void*) CanvasJNI::drawCircle}, 6898872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger {"native_drawOval","(JFFFFJ)V", (void*) CanvasJNI::drawOval}, 6908872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger {"native_drawArc","(JFFFFFFZJ)V", (void*) CanvasJNI::drawArc}, 6918872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger {"native_drawPath","(JJJ)V", (void*) CanvasJNI::drawPath}, 6928872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger {"nativeDrawVertices", "(JII[FI[FI[II[SIIJ)V", (void*)CanvasJNI::drawVertices}, 6938872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger {"native_drawBitmap","(JJFFJIII)V", (void*) CanvasJNI::drawBitmap}, 6948872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger {"nativeDrawBitmapMatrix", "(JJJJ)V", (void*)CanvasJNI::drawBitmapMatrix}, 6958872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger {"native_drawBitmap","(JJFFFFFFFFJII)V", (void*) CanvasJNI::drawBitmapRect}, 6968872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger {"native_drawBitmap", "(J[IIIFFIIZJ)V", (void*)CanvasJNI::drawBitmapArray}, 6978872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger {"nativeDrawBitmapMesh", "(JJII[FI[IIJ)V", (void*)CanvasJNI::drawBitmapMesh}, 6988872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger {"native_drawText","(J[CIIFFIJJ)V", (void*) CanvasJNI::drawTextChars}, 6998872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger {"native_drawText","(JLjava/lang/String;IIFFIJJ)V", (void*) CanvasJNI::drawTextString}, 7008872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger {"native_drawTextRun","(J[CIIIIFFZJJ)V", (void*) CanvasJNI::drawTextRunChars}, 7018872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger {"native_drawTextRun","(JLjava/lang/String;IIIIFFZJJ)V", (void*) CanvasJNI::drawTextRunString}, 7028872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger {"native_drawTextOnPath","(J[CIIJFFIJJ)V", (void*) CanvasJNI::drawTextOnPathChars}, 7038872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger {"native_drawTextOnPath","(JLjava/lang/String;JFFIJJ)V", (void*) CanvasJNI::drawTextOnPathString}, 7048872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger {"nativeSetDrawFilter", "(JJ)V", (void*) CanvasJNI::setDrawFilter}, 7058872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger {"freeCaches", "()V", (void*) CanvasJNI::freeCaches}, 7068872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger {"freeTextLayoutCaches", "()V", (void*) CanvasJNI::freeTextLayoutCaches} 7078872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger}; 7088872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 7098872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenbergerint register_android_graphics_Canvas(JNIEnv* env) { 710ed6b9dff563c5e22f040ff37e12c0d771e0478aeAndreas Gampe return RegisterMethodsOrDie(env, "android/graphics/Canvas", gMethods, NELEM(gMethods)); 7118872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger} 7128872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger 7138872b38ef403cc2c44aca07d392f5e9426fd7f54Derek Sollenberger}; // namespace android 714