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/* 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"
#include "core_jni_helpers.h"
#include <Caches.h>
#include <jni.h>
namespace android {
class SkMatrixGlue {
public:
static void finalizer(JNIEnv* env, jobject clazz, jlong objHandle) {
SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
delete obj;
}
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);
}
static jboolean isIdentity(JNIEnv* env, jobject clazz, jlong objHandle) {
SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
return obj->isIdentity() ? JNI_TRUE : JNI_FALSE;
}
static jboolean isAffine(JNIEnv* env, jobject clazz, jlong objHandle) {
SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
return obj->asAffine(NULL) ? JNI_TRUE : JNI_FALSE;
}
static jboolean rectStaysRect(JNIEnv* env, jobject clazz, jlong objHandle) {
SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
return obj->rectStaysRect() ? JNI_TRUE : JNI_FALSE;
}
static void reset(JNIEnv* env, jobject clazz, jlong objHandle) {
SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
obj->reset();
}
static void set(JNIEnv* env, jobject clazz, jlong objHandle, jlong otherHandle) {
SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
SkMatrix* other = reinterpret_cast<SkMatrix*>(otherHandle);
*obj = *other;
}
static void setTranslate(JNIEnv* env, jobject clazz, jlong objHandle, jfloat dx, jfloat dy) {
SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
obj->setTranslate(dx, dy);
}
static void setScale__FFFF(JNIEnv* env, jobject clazz, 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(JNIEnv* env, jobject clazz, jlong objHandle, jfloat sx, jfloat sy) {
SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
obj->setScale(sx, sy);
}
static void setRotate__FFF(JNIEnv* env, jobject clazz, jlong objHandle, jfloat degrees, jfloat px, jfloat py) {
SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
obj->setRotate(degrees, px, py);
}
static void setRotate__F(JNIEnv* env, jobject clazz, jlong objHandle, jfloat degrees) {
SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
obj->setRotate(degrees);
}
static void setSinCos__FFFF(JNIEnv* env, jobject clazz, 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(JNIEnv* env, jobject clazz, jlong objHandle, jfloat sinValue, jfloat cosValue) {
SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
obj->setSinCos(sinValue, cosValue);
}
static void setSkew__FFFF(JNIEnv* env, jobject clazz, 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(JNIEnv* env, jobject clazz, jlong objHandle, jfloat kx, jfloat ky) {
SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
obj->setSkew(kx, ky);
}
static void setConcat(JNIEnv* env, jobject clazz, 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(JNIEnv* env, jobject clazz, jlong objHandle, jfloat dx, jfloat dy) {
SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
obj->preTranslate(dx, dy);
}
static void preScale__FFFF(JNIEnv* env, jobject clazz, 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(JNIEnv* env, jobject clazz, jlong objHandle, jfloat sx, jfloat sy) {
SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
obj->preScale(sx, sy);
}
static void preRotate__FFF(JNIEnv* env, jobject clazz, jlong objHandle, jfloat degrees, jfloat px, jfloat py) {
SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
obj->preRotate(degrees, px, py);
}
static void preRotate__F(JNIEnv* env, jobject clazz, jlong objHandle, jfloat degrees) {
SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
obj->preRotate(degrees);
}
static void preSkew__FFFF(JNIEnv* env, jobject clazz, 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(JNIEnv* env, jobject clazz, jlong objHandle, jfloat kx, jfloat ky) {
SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
obj->preSkew(kx, ky);
}
static void preConcat(JNIEnv* env, jobject clazz, jlong objHandle, jlong otherHandle) {
SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
SkMatrix* other = reinterpret_cast<SkMatrix*>(otherHandle);
obj->preConcat(*other);
}
static void postTranslate(JNIEnv* env, jobject clazz, jlong objHandle, jfloat dx, jfloat dy) {
SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
obj->postTranslate(dx, dy);
}
static void postScale__FFFF(JNIEnv* env, jobject clazz, 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(JNIEnv* env, jobject clazz, jlong objHandle, jfloat sx, jfloat sy) {
SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
obj->postScale(sx, sy);
}
static void postRotate__FFF(JNIEnv* env, jobject clazz, jlong objHandle, jfloat degrees, jfloat px, jfloat py) {
SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
obj->postRotate(degrees, px, py);
}
static void postRotate__F(JNIEnv* env, jobject clazz, jlong objHandle, jfloat degrees) {
SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
obj->postRotate(degrees);
}
static void postSkew__FFFF(JNIEnv* env, jobject clazz, 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(JNIEnv* env, jobject clazz, jlong matrixHandle, jfloat kx, jfloat ky) {
SkMatrix* matrix = reinterpret_cast<SkMatrix*>(matrixHandle);
matrix->postSkew(kx, ky);
}
static void postConcat(JNIEnv* env, jobject clazz, jlong matrixHandle, jlong otherHandle) {
SkMatrix* matrix = reinterpret_cast<SkMatrix*>(matrixHandle);
SkMatrix* other = reinterpret_cast<SkMatrix*>(otherHandle);
matrix->postConcat(*other);
}
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;
#ifdef SK_SCALAR_IS_FLOAT
result = matrix->setPolyToPoly((const SkPoint*)src, (const SkPoint*)dst,
ptCount);
#else
SkASSERT(false);
#endif
return result ? JNI_TRUE : JNI_FALSE;
}
static jboolean invert(JNIEnv* env, jobject clazz, jlong matrixHandle, jlong inverseHandle) {
SkMatrix* matrix = reinterpret_cast<SkMatrix*>(matrixHandle);
SkMatrix* inverse = reinterpret_cast<SkMatrix*>(inverseHandle);
return matrix->invert(inverse);
}
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;
#ifdef SK_SCALAR_IS_FLOAT
if (isPts)
matrix->mapPoints((SkPoint*)dstArray, (const SkPoint*)srcArray,
ptCount);
else
matrix->mapVectors((SkVector*)dstArray, (const SkVector*)srcArray,
ptCount);
#else
SkASSERT(false);
#endif
}
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 jfloat mapRadius(JNIEnv* env, jobject clazz, jlong matrixHandle, jfloat radius) {
SkMatrix* matrix = reinterpret_cast<SkMatrix*>(matrixHandle);
float result;
result = SkScalarToFloat(matrix->mapRadius(radius));
return static_cast<jfloat>(result);
}
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();
#ifdef SK_SCALAR_IS_FLOAT
for (int i = 0; i < 9; i++) {
dst[i] = matrix->get(i);
}
#else
SkASSERT(false);
#endif
}
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();
#ifdef SK_SCALAR_IS_FLOAT
for (int i = 0; i < 9; i++) {
matrix->set(i, src[i]);
}
#else
SkASSERT(false);
#endif
}
static jboolean equals(JNIEnv* env, jobject clazz, 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[] = {
{"finalizer", "(J)V", (void*) SkMatrixGlue::finalizer},
{"native_create","(J)J", (void*) SkMatrixGlue::create},
{"native_isIdentity","!(J)Z", (void*) SkMatrixGlue::isIdentity},
{"native_isAffine","!(J)Z", (void*) SkMatrixGlue::isAffine},
{"native_rectStaysRect","!(J)Z", (void*) SkMatrixGlue::rectStaysRect},
{"native_reset","!(J)V", (void*) SkMatrixGlue::reset},
{"native_set","!(JJ)V", (void*) SkMatrixGlue::set},
{"native_setTranslate","!(JFF)V", (void*) SkMatrixGlue::setTranslate},
{"native_setScale","!(JFFFF)V", (void*) SkMatrixGlue::setScale__FFFF},
{"native_setScale","!(JFF)V", (void*) SkMatrixGlue::setScale__FF},
{"native_setRotate","!(JFFF)V", (void*) SkMatrixGlue::setRotate__FFF},
{"native_setRotate","!(JF)V", (void*) SkMatrixGlue::setRotate__F},
{"native_setSinCos","!(JFFFF)V", (void*) SkMatrixGlue::setSinCos__FFFF},
{"native_setSinCos","!(JFF)V", (void*) SkMatrixGlue::setSinCos__FF},
{"native_setSkew","!(JFFFF)V", (void*) SkMatrixGlue::setSkew__FFFF},
{"native_setSkew","!(JFF)V", (void*) SkMatrixGlue::setSkew__FF},
{"native_setConcat","!(JJJ)V", (void*) SkMatrixGlue::setConcat},
{"native_preTranslate","!(JFF)V", (void*) SkMatrixGlue::preTranslate},
{"native_preScale","!(JFFFF)V", (void*) SkMatrixGlue::preScale__FFFF},
{"native_preScale","!(JFF)V", (void*) SkMatrixGlue::preScale__FF},
{"native_preRotate","!(JFFF)V", (void*) SkMatrixGlue::preRotate__FFF},
{"native_preRotate","!(JF)V", (void*) SkMatrixGlue::preRotate__F},
{"native_preSkew","!(JFFFF)V", (void*) SkMatrixGlue::preSkew__FFFF},
{"native_preSkew","!(JFF)V", (void*) SkMatrixGlue::preSkew__FF},
{"native_preConcat","!(JJ)V", (void*) SkMatrixGlue::preConcat},
{"native_postTranslate","!(JFF)V", (void*) SkMatrixGlue::postTranslate},
{"native_postScale","!(JFFFF)V", (void*) SkMatrixGlue::postScale__FFFF},
{"native_postScale","!(JFF)V", (void*) SkMatrixGlue::postScale__FF},
{"native_postRotate","!(JFFF)V", (void*) SkMatrixGlue::postRotate__FFF},
{"native_postRotate","!(JF)V", (void*) SkMatrixGlue::postRotate__F},
{"native_postSkew","!(JFFFF)V", (void*) SkMatrixGlue::postSkew__FFFF},
{"native_postSkew","!(JFF)V", (void*) SkMatrixGlue::postSkew__FF},
{"native_postConcat","!(JJ)V", (void*) SkMatrixGlue::postConcat},
{"native_setRectToRect","!(JLandroid/graphics/RectF;Landroid/graphics/RectF;I)Z", (void*) SkMatrixGlue::setRectToRect},
{"native_setPolyToPoly","!(J[FI[FII)Z", (void*) SkMatrixGlue::setPolyToPoly},
{"native_invert","!(JJ)Z", (void*) SkMatrixGlue::invert},
{"native_mapPoints","!(J[FI[FIIZ)V", (void*) SkMatrixGlue::mapPoints},
{"native_mapRect","!(JLandroid/graphics/RectF;Landroid/graphics/RectF;)Z", (void*) SkMatrixGlue::mapRect__RectFRectF},
{"native_mapRadius","!(JF)F", (void*) SkMatrixGlue::mapRadius},
{"native_getValues","!(J[F)V", (void*) SkMatrixGlue::getValues},
{"native_setValues","!(J[F)V", (void*) SkMatrixGlue::setValues},
{"native_equals", "!(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));
}
}
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