1 files changed, 396 insertions, 0 deletions
diff --git a/libs/hwui/jni/android_graphics_Matrix.cpp b/libs/hwui/jni/android_graphics_Matrix.cpp
new file mode 100644
index 000000000000..7338ef24cb58
--- /dev/null
+++ b/libs/hwui/jni/android_graphics_Matrix.cpp
@@ -0,0 +1,396 @@
+/* libs/android_runtime/android/graphics/Matrix.cpp
+**
+** Copyright 2006, The Android Open Source Project
+**
+** Licensed under the Apache License, Version 2.0 (the "License");
+** you may not use this file except in compliance with the License.
+** You may obtain a copy of the License at
+**
+**     http://www.apache.org/licenses/LICENSE-2.0
+**
+** Unless required by applicable law or agreed to in writing, software
+** distributed under the License is distributed on an "AS IS" BASIS,
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+** See the License for the specific language governing permissions and
+** limitations under the License.
+*/
+
+#include "GraphicsJNI.h"
+#include "Matrix.h"
+#include "SkMatrix.h"
+
+namespace android {
+
+static_assert(sizeof(SkMatrix) == 40, "Unexpected sizeof(SkMatrix), "
+        "update size in Matrix.java#NATIVE_ALLOCATION_SIZE and here");
+static_assert(SK_SCALAR_IS_FLOAT, "SK_SCALAR_IS_FLOAT is false, "
+        "only float scalar is supported");
+
+class SkMatrixGlue {
+public:
+
+    // ---------------- Regular JNI -----------------------------
+
+    static void finalizer(jlong objHandle) {
+        SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
+        delete obj;
+    }
+
+    static jlong getNativeFinalizer(JNIEnv* env, jobject clazz) {
+        return static_cast<jlong>(reinterpret_cast<uintptr_t>(&finalizer));
+    }
+
+    static jlong create(JNIEnv* env, jobject clazz, jlong srcHandle) {
+        const SkMatrix* src = reinterpret_cast<SkMatrix*>(srcHandle);
+        SkMatrix* obj = new SkMatrix();
+        if (src)
+            *obj = *src;
+        else
+            obj->reset();
+        return reinterpret_cast<jlong>(obj);
+    }
+
+    // ---------------- @FastNative -----------------------------
+
+    static void mapPoints(JNIEnv* env, jobject clazz, jlong matrixHandle,
+            jfloatArray dst, jint dstIndex, jfloatArray src, jint srcIndex,
+            jint ptCount, jboolean isPts) {
+        SkMatrix* matrix = reinterpret_cast<SkMatrix*>(matrixHandle);
+        SkASSERT(ptCount >= 0);
+        AutoJavaFloatArray autoSrc(env, src, srcIndex + (ptCount << 1),
+                kRO_JNIAccess);
+        AutoJavaFloatArray autoDst(env, dst, dstIndex + (ptCount << 1),
+                kRW_JNIAccess);
+        float* srcArray = autoSrc.ptr() + srcIndex;
+        float* dstArray = autoDst.ptr() + dstIndex;
+        if (isPts)
+            matrix->mapPoints((SkPoint*) dstArray, (const SkPoint*) srcArray,
+                    ptCount);
+        else
+            matrix->mapVectors((SkVector*) dstArray, (const SkVector*) srcArray,
+                    ptCount);
+    }
+
+    static jboolean mapRect__RectFRectF(JNIEnv* env, jobject clazz,
+            jlong matrixHandle, jobjectArray dst, jobject src) {
+        SkMatrix* matrix = reinterpret_cast<SkMatrix*>(matrixHandle);
+        SkRect dst_, src_;
+        GraphicsJNI::jrectf_to_rect(env, src, &src_);
+        jboolean rectStaysRect = matrix->mapRect(&dst_, src_);
+        GraphicsJNI::rect_to_jrectf(dst_, env, dst);
+        return rectStaysRect ? JNI_TRUE : JNI_FALSE;
+    }
+
+    static jboolean setRectToRect(JNIEnv* env, jobject clazz,
+            jlong matrixHandle, jobject src, jobject dst, jint stfHandle) {
+        SkMatrix* matrix = reinterpret_cast<SkMatrix*>(matrixHandle);
+        SkMatrix::ScaleToFit stf = static_cast<SkMatrix::ScaleToFit>(stfHandle);
+        SkRect src_;
+        GraphicsJNI::jrectf_to_rect(env, src, &src_);
+        SkRect dst_;
+        GraphicsJNI::jrectf_to_rect(env, dst, &dst_);
+        return matrix->setRectToRect(src_, dst_, stf) ? JNI_TRUE : JNI_FALSE;
+    }
+
+    static jboolean setPolyToPoly(JNIEnv* env, jobject clazz,
+            jlong matrixHandle, jfloatArray jsrc, jint srcIndex,
+            jfloatArray jdst, jint dstIndex, jint ptCount) {
+        SkMatrix* matrix = reinterpret_cast<SkMatrix*>(matrixHandle);
+        SkASSERT(srcIndex >= 0);
+        SkASSERT(dstIndex >= 0);
+        SkASSERT((unsigned )ptCount <= 4);
+
+        AutoJavaFloatArray autoSrc(env, jsrc, srcIndex + (ptCount << 1),
+                kRO_JNIAccess);
+        AutoJavaFloatArray autoDst(env, jdst, dstIndex + (ptCount << 1),
+                kRW_JNIAccess);
+        float* src = autoSrc.ptr() + srcIndex;
+        float* dst = autoDst.ptr() + dstIndex;
+        bool result;
+
+        result = matrix->setPolyToPoly((const SkPoint*) src,
+                (const SkPoint*) dst, ptCount);
+        return result ? JNI_TRUE : JNI_FALSE;
+    }
+
+    static void getValues(JNIEnv* env, jobject clazz, jlong matrixHandle,
+            jfloatArray values) {
+        SkMatrix* matrix = reinterpret_cast<SkMatrix*>(matrixHandle);
+        AutoJavaFloatArray autoValues(env, values, 9, kRW_JNIAccess);
+        float* dst = autoValues.ptr();
+        for (int i = 0; i < 9; i++) {
+            dst[i] = matrix->get(i);
+        }
+    }
+
+    static void setValues(JNIEnv* env, jobject clazz, jlong matrixHandle,
+            jfloatArray values) {
+        SkMatrix* matrix = reinterpret_cast<SkMatrix*>(matrixHandle);
+        AutoJavaFloatArray autoValues(env, values, 9, kRO_JNIAccess);
+        const float* src = autoValues.ptr();
+
+        for (int i = 0; i < 9; i++) {
+            matrix->set(i, src[i]);
+        }
+    }
+
+    // ---------------- @CriticalNative -----------------------------
+
+    static jboolean isIdentity(CRITICAL_JNI_PARAMS_COMMA jlong objHandle) {
+        SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
+        return obj->isIdentity() ? JNI_TRUE : JNI_FALSE;
+    }
+
+    static jboolean isAffine(CRITICAL_JNI_PARAMS_COMMA jlong objHandle) {
+        SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
+        return obj->asAffine(NULL) ? JNI_TRUE : JNI_FALSE;
+    }
+
+    static jboolean rectStaysRect(CRITICAL_JNI_PARAMS_COMMA jlong objHandle) {
+        SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
+        return obj->rectStaysRect() ? JNI_TRUE : JNI_FALSE;
+    }
+
+    static void reset(CRITICAL_JNI_PARAMS_COMMA jlong objHandle) {
+        SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
+        obj->reset();
+    }
+
+    static void set(CRITICAL_JNI_PARAMS_COMMA jlong objHandle, jlong otherHandle) {
+        SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
+        SkMatrix* other = reinterpret_cast<SkMatrix*>(otherHandle);
+        *obj = *other;
+    }
+
+    static void setTranslate(CRITICAL_JNI_PARAMS_COMMA jlong objHandle, jfloat dx, jfloat dy) {
+        SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
+        obj->setTranslate(dx, dy);
+    }
+
+    static void setScale__FFFF(CRITICAL_JNI_PARAMS_COMMA jlong objHandle, jfloat sx, jfloat sy, jfloat px,
+            jfloat py) {
+        SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
+        obj->setScale(sx, sy, px, py);
+    }
+
+    static void setScale__FF(CRITICAL_JNI_PARAMS_COMMA jlong objHandle, jfloat sx, jfloat sy) {
+        SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
+        obj->setScale(sx, sy);
+    }
+
+    static void setRotate__FFF(CRITICAL_JNI_PARAMS_COMMA jlong objHandle, jfloat degrees, jfloat px,
+            jfloat py) {
+        SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
+        obj->setRotate(degrees, px, py);
+    }
+
+    static void setRotate__F(CRITICAL_JNI_PARAMS_COMMA jlong objHandle, jfloat degrees) {
+        SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
+        obj->setRotate(degrees);
+    }
+
+    static void setSinCos__FFFF(CRITICAL_JNI_PARAMS_COMMA jlong objHandle, jfloat sinValue,
+            jfloat cosValue, jfloat px, jfloat py) {
+        SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
+        obj->setSinCos(sinValue, cosValue, px, py);
+    }
+
+    static void setSinCos__FF(CRITICAL_JNI_PARAMS_COMMA jlong objHandle, jfloat sinValue,
+            jfloat cosValue) {
+        SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
+        obj->setSinCos(sinValue, cosValue);
+    }
+
+    static void setSkew__FFFF(CRITICAL_JNI_PARAMS_COMMA jlong objHandle, jfloat kx, jfloat ky, jfloat px,
+            jfloat py) {
+        SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
+        obj->setSkew(kx, ky, px, py);
+    }
+
+    static void setSkew__FF(CRITICAL_JNI_PARAMS_COMMA jlong objHandle, jfloat kx, jfloat ky) {
+        SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
+        obj->setSkew(kx, ky);
+    }
+
+    static void setConcat(CRITICAL_JNI_PARAMS_COMMA jlong objHandle, jlong aHandle, jlong bHandle) {
+        SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
+        SkMatrix* a = reinterpret_cast<SkMatrix*>(aHandle);
+        SkMatrix* b = reinterpret_cast<SkMatrix*>(bHandle);
+        obj->setConcat(*a, *b);
+    }
+
+    static void preTranslate(CRITICAL_JNI_PARAMS_COMMA jlong objHandle, jfloat dx, jfloat dy) {
+        SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
+        obj->preTranslate(dx, dy);
+    }
+
+    static void preScale__FFFF(CRITICAL_JNI_PARAMS_COMMA jlong objHandle, jfloat sx, jfloat sy, jfloat px,
+            jfloat py) {
+        SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
+        obj->preScale(sx, sy, px, py);
+    }
+
+    static void preScale__FF(CRITICAL_JNI_PARAMS_COMMA jlong objHandle, jfloat sx, jfloat sy) {
+        SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
+        obj->preScale(sx, sy);
+    }
+
+    static void preRotate__FFF(CRITICAL_JNI_PARAMS_COMMA jlong objHandle, jfloat degrees, jfloat px,
+            jfloat py) {
+        SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
+        obj->preRotate(degrees, px, py);
+    }
+
+    static void preRotate__F(CRITICAL_JNI_PARAMS_COMMA jlong objHandle, jfloat degrees) {
+        SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
+        obj->preRotate(degrees);
+    }
+
+    static void preSkew__FFFF(CRITICAL_JNI_PARAMS_COMMA jlong objHandle, jfloat kx, jfloat ky, jfloat px,
+            jfloat py) {
+        SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
+        obj->preSkew(kx, ky, px, py);
+    }
+
+    static void preSkew__FF(CRITICAL_JNI_PARAMS_COMMA jlong objHandle, jfloat kx, jfloat ky) {
+        SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
+        obj->preSkew(kx, ky);
+    }
+
+    static void preConcat(CRITICAL_JNI_PARAMS_COMMA jlong objHandle, jlong otherHandle) {
+        SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
+        SkMatrix* other = reinterpret_cast<SkMatrix*>(otherHandle);
+        obj->preConcat(*other);
+    }
+
+    static void postTranslate(CRITICAL_JNI_PARAMS_COMMA jlong objHandle, jfloat dx, jfloat dy) {
+        SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
+        obj->postTranslate(dx, dy);
+    }
+
+    static void postScale__FFFF(CRITICAL_JNI_PARAMS_COMMA jlong objHandle, jfloat sx, jfloat sy,
+            jfloat px, jfloat py) {
+        SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
+        obj->postScale(sx, sy, px, py);
+    }
+
+    static void postScale__FF(CRITICAL_JNI_PARAMS_COMMA jlong objHandle, jfloat sx, jfloat sy) {
+        SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
+        obj->postScale(sx, sy);
+    }
+
+    static void postRotate__FFF(CRITICAL_JNI_PARAMS_COMMA jlong objHandle, jfloat degrees, jfloat px,
+            jfloat py) {
+        SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
+        obj->postRotate(degrees, px, py);
+    }
+
+    static void postRotate__F(CRITICAL_JNI_PARAMS_COMMA jlong objHandle, jfloat degrees) {
+        SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
+        obj->postRotate(degrees);
+    }
+
+    static void postSkew__FFFF(CRITICAL_JNI_PARAMS_COMMA jlong objHandle, jfloat kx, jfloat ky, jfloat px,
+            jfloat py) {
+        SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
+        obj->postSkew(kx, ky, px, py);
+    }
+
+    static void postSkew__FF(CRITICAL_JNI_PARAMS_COMMA jlong matrixHandle, jfloat kx, jfloat ky) {
+        SkMatrix* matrix = reinterpret_cast<SkMatrix*>(matrixHandle);
+        matrix->postSkew(kx, ky);
+    }
+
+    static void postConcat(CRITICAL_JNI_PARAMS_COMMA jlong matrixHandle, jlong otherHandle) {
+        SkMatrix* matrix = reinterpret_cast<SkMatrix*>(matrixHandle);
+        SkMatrix* other = reinterpret_cast<SkMatrix*>(otherHandle);
+        matrix->postConcat(*other);
+    }
+
+    static jboolean invert(CRITICAL_JNI_PARAMS_COMMA jlong matrixHandle, jlong inverseHandle) {
+        SkMatrix* matrix = reinterpret_cast<SkMatrix*>(matrixHandle);
+        SkMatrix* inverse = reinterpret_cast<SkMatrix*>(inverseHandle);
+        return matrix->invert(inverse);
+    }
+
+    static jfloat mapRadius(CRITICAL_JNI_PARAMS_COMMA jlong matrixHandle, jfloat radius) {
+        SkMatrix* matrix = reinterpret_cast<SkMatrix*>(matrixHandle);
+        float result;
+        result = SkScalarToFloat(matrix->mapRadius(radius));
+        return static_cast<jfloat>(result);
+    }
+
+    static jboolean equals(CRITICAL_JNI_PARAMS_COMMA jlong aHandle, jlong bHandle) {
+        const SkMatrix* a = reinterpret_cast<SkMatrix*>(aHandle);
+        const SkMatrix* b = reinterpret_cast<SkMatrix*>(bHandle);
+        return *a == *b;
+    }
+};
+
+static const JNINativeMethod methods[] = {
+    {"nGetNativeFinalizer", "()J", (void*) SkMatrixGlue::getNativeFinalizer},
+    {"nCreate","(J)J", (void*) SkMatrixGlue::create},
+
+    // ------- @FastNative below here ---------------
+    {"nMapPoints","(J[FI[FIIZ)V", (void*) SkMatrixGlue::mapPoints},
+    {"nMapRect","(JLandroid/graphics/RectF;Landroid/graphics/RectF;)Z",
+            (void*) SkMatrixGlue::mapRect__RectFRectF},
+    {"nSetRectToRect","(JLandroid/graphics/RectF;Landroid/graphics/RectF;I)Z",
+            (void*) SkMatrixGlue::setRectToRect},
+    {"nSetPolyToPoly","(J[FI[FII)Z", (void*) SkMatrixGlue::setPolyToPoly},
+    {"nGetValues","(J[F)V", (void*) SkMatrixGlue::getValues},
+    {"nSetValues","(J[F)V", (void*) SkMatrixGlue::setValues},
+
+    // ------- @CriticalNative below here ---------------
+    {"nIsIdentity","(J)Z", (void*) SkMatrixGlue::isIdentity},
+    {"nIsAffine","(J)Z", (void*) SkMatrixGlue::isAffine},
+    {"nRectStaysRect","(J)Z", (void*) SkMatrixGlue::rectStaysRect},
+    {"nReset","(J)V", (void*) SkMatrixGlue::reset},
+    {"nSet","(JJ)V", (void*) SkMatrixGlue::set},
+    {"nSetTranslate","(JFF)V", (void*) SkMatrixGlue::setTranslate},
+    {"nSetScale","(JFFFF)V", (void*) SkMatrixGlue::setScale__FFFF},
+    {"nSetScale","(JFF)V", (void*) SkMatrixGlue::setScale__FF},
+    {"nSetRotate","(JFFF)V", (void*) SkMatrixGlue::setRotate__FFF},
+    {"nSetRotate","(JF)V", (void*) SkMatrixGlue::setRotate__F},
+    {"nSetSinCos","(JFFFF)V", (void*) SkMatrixGlue::setSinCos__FFFF},
+    {"nSetSinCos","(JFF)V", (void*) SkMatrixGlue::setSinCos__FF},
+    {"nSetSkew","(JFFFF)V", (void*) SkMatrixGlue::setSkew__FFFF},
+    {"nSetSkew","(JFF)V", (void*) SkMatrixGlue::setSkew__FF},
+    {"nSetConcat","(JJJ)V", (void*) SkMatrixGlue::setConcat},
+    {"nPreTranslate","(JFF)V", (void*) SkMatrixGlue::preTranslate},
+    {"nPreScale","(JFFFF)V", (void*) SkMatrixGlue::preScale__FFFF},
+    {"nPreScale","(JFF)V", (void*) SkMatrixGlue::preScale__FF},
+    {"nPreRotate","(JFFF)V", (void*) SkMatrixGlue::preRotate__FFF},
+    {"nPreRotate","(JF)V", (void*) SkMatrixGlue::preRotate__F},
+    {"nPreSkew","(JFFFF)V", (void*) SkMatrixGlue::preSkew__FFFF},
+    {"nPreSkew","(JFF)V", (void*) SkMatrixGlue::preSkew__FF},
+    {"nPreConcat","(JJ)V", (void*) SkMatrixGlue::preConcat},
+    {"nPostTranslate","(JFF)V", (void*) SkMatrixGlue::postTranslate},
+    {"nPostScale","(JFFFF)V", (void*) SkMatrixGlue::postScale__FFFF},
+    {"nPostScale","(JFF)V", (void*) SkMatrixGlue::postScale__FF},
+    {"nPostRotate","(JFFF)V", (void*) SkMatrixGlue::postRotate__FFF},
+    {"nPostRotate","(JF)V", (void*) SkMatrixGlue::postRotate__F},
+    {"nPostSkew","(JFFFF)V", (void*) SkMatrixGlue::postSkew__FFFF},
+    {"nPostSkew","(JFF)V", (void*) SkMatrixGlue::postSkew__FF},
+    {"nPostConcat","(JJ)V", (void*) SkMatrixGlue::postConcat},
+    {"nInvert","(JJ)Z", (void*) SkMatrixGlue::invert},
+    {"nMapRadius","(JF)F", (void*) SkMatrixGlue::mapRadius},
+    {"nEquals", "(JJ)Z", (void*) SkMatrixGlue::equals}
+};
+
+static jfieldID sNativeInstanceField;
+
+int register_android_graphics_Matrix(JNIEnv* env) {
+    int result = RegisterMethodsOrDie(env, "android/graphics/Matrix", methods, NELEM(methods));
+
+    jclass clazz = FindClassOrDie(env, "android/graphics/Matrix");
+    sNativeInstanceField = GetFieldIDOrDie(env, clazz, "native_instance", "J");
+
+    return result;
+}
+
+SkMatrix* android_graphics_Matrix_getSkMatrix(JNIEnv* env, jobject matrixObj) {
+    return reinterpret_cast<SkMatrix*>(env->GetLongField(matrixObj, sNativeInstanceField));
+}
+
+}