void SkFlatMatrix::dump() const {
const SkMatrix* matrix = (const SkMatrix*) fMatrixData;
char pBuffer[DUMP_BUFFER_SIZE];
char* bufferPtr = pBuffer;
bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
"matrix: ");
SkScalar scaleX = matrix->getScaleX();
SkMatrix defaultMatrix;
defaultMatrix.reset();
if (scaleX != defaultMatrix.getScaleX())
bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
"scaleX:%g ", SkScalarToFloat(scaleX));
SkScalar scaleY = matrix->getScaleY();
if (scaleY != defaultMatrix.getScaleY())
bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
"scaleY:%g ", SkScalarToFloat(scaleY));
SkScalar skewX = matrix->getSkewX();
if (skewX != defaultMatrix.getSkewX())
bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
"skewX:%g ", SkScalarToFloat(skewX));
SkScalar skewY = matrix->getSkewY();
if (skewY != defaultMatrix.getSkewY())
bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
"skewY:%g ", SkScalarToFloat(skewY));
SkScalar translateX = matrix->getTranslateX();
if (translateX != defaultMatrix.getTranslateX())
bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
"translateX:%g ", SkScalarToFloat(translateX));
SkScalar translateY = matrix->getTranslateY();
if (translateY != defaultMatrix.getTranslateY())
bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
"translateY:%g ", SkScalarToFloat(translateY));
SkScalar perspX = matrix->getPerspX();
if (perspX != defaultMatrix.getPerspX())
bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
"perspX:%g ", SkFractToFloat(perspX));
SkScalar perspY = matrix->getPerspY();
if (perspY != defaultMatrix.getPerspY())
bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer),
"perspY:%g ", SkFractToFloat(perspY));
SkDebugf("%s\n", pBuffer);
}
static void setSnapshotTransform(sp<SurfaceControl>& surfaceControl, SkMatrix &matrix, float alpha) {
if (surfaceControl != NULL) {
#ifdef SK_SCALAR_IS_FIXED
for (int i = 0; i < 6; i++) {
tmpFloats[i] = SkFixedToFloat(matrix.get(i));
}
for (int j = 6; j < 9; j++) {
tmpFloats[j] = SkFractToFloat(matrix.get(j));
}
#else
for (int i = 0; i < 9; i++) {
tmpFloats[i] = matrix.get(i);
}
#endif
surfaceControl->setPosition(tmpFloats[MTRANS_X], tmpFloats[MTRANS_Y]);
surfaceControl->setMatrix(tmpFloats[MSCALE_X], tmpFloats[MSKEW_Y],
tmpFloats[MSKEW_X], tmpFloats[MSCALE_Y]);
// LOGD("(trans_x,trans_y,scale_x,scale_y)=(%f,%f,%f,%f)",
// tmpFloats[MSCALE_X], tmpFloats[MSKEW_Y],
// tmpFloats[MSKEW_X], tmpFloats[MSCALE_Y]);
surfaceControl->setAlpha(alpha);
}
}
